# bob

Newest questions and responses by bob-
## math

At the local bank, 60% of the employees have 2 or more children. There are 240 employees that have fewer than 2 children. How many employees does the bank have?

*asked on March 20, 2019* -
## math

A salesperson's ratio of successful signups to the number of people called is 0.275. This month, the salesperson had 55 signups. How many people did the salesperson call this month?

*asked on March 14, 2019* -
## chemistry

What is the mass of sodium needed to make 2 g of sodium oxide (4Na + O2 → 2Na2O)? Ar values: O = 16, Na = 23. please help I'm really struggling. also please try to explain it to the simplest form because I really don't understand.

*asked on March 14, 2019* -
## math

(y^-5)^-10y^10

*asked on March 3, 2019* -
## algebra

what is the value of 11x^-3y^-1 for x = -1 and y = 2?

*asked on March 3, 2019* -
## Math

Identify the sequence as arithmetic, geometric, both, or neither 1.7,9,11,13

*asked on February 28, 2019* -
## science.

837x(348 +72) 8 to the power of 3 = what can you solve? Use the order of operations

*asked on February 26, 2019* -
## math

Which of the following ordered pairs is a solution of the equation y=-4x^2 I REEEEEEEALLY need help I don't get it.

*asked on February 25, 2019* -
## Math

3.49, 31/10, 3.497, 3 2/11 in order from least to greatest

*asked on February 13, 2019* -
## math

what symbols do you have to put to make this statement true;[3 5] 4 [14 2] = 12

*asked on February 12, 2019* -
## math

the manager of a grovery store asks a store clerk to rearrange a display of canned vegtables in a triangular pyramid. Assume all cans are thr same size and shape. in the first pyramid their is 1 can in the base, second pyramid has 3 cans in the base and

*asked on February 3, 2019* -
## social studies

what are the consequences of the us war on drugs on mexico A)Mexican drug cartels no longer risk sending illegal drugs into the U.S. B) The poverty rate in Mexico has decreased significantly. C)Illegal drug use in the U.S. has been eliminated.

*asked on February 2, 2019* -
## social studies

how did the aztecs become so powerful A.they allied with the spanish B.they conquered and enslaved many neighboring peoples C.they traded with europeans for advanced weapons D.they isolated themselves from the other indigenous peoples

*asked on February 1, 2019* -
## math

A metalworker has a metal alloy that is 25% copper and another alloy that is 55% copper. How many kilograms of each alloy should the metalworker combine to create 90 kg of a 49% copper alloy?

*asked on February 1, 2019* -
## history

Which are examples of the influence of British imperialism in India? (Select all that apply.) a. Britain did not invest in industrialization in India at a time when other world regions were rapidly industrializing. b. Britain gave all Indians full

*asked on January 11, 2019* -
## physics

Can you find the Spring Constant with the x-displacement(m), height(m), and the mass(kg)? How would it include the conservation of energy needed to relate the speed of the car after launch to the spring constant?

*asked on December 16, 2018* -
## physics

Can you find the Spring Constant with the x-displacement(m), height(m), and the mass(kg)? If I use a spring to launch a ball from the table and it flies off the ground, how would you measure this constant?

*asked on December 15, 2018* -
## Statistics

Find a recursive formula for the sequence: 1, -1, -7, - 25

*asked on December 13, 2018* -
## Statistics

Find the three median y-values that would form the summary points of the median-median line for the dataset in the table. Copy and paste my question into brainly and you'll find an image of the numbers and dataset.

*asked on December 12, 2018* -
## Statistics

Anybody on this whole site going to school at Connections Academy taking Statistics B? I need help asap. Message me on discord. My username and number is SlimeRancher#7157

*asked on December 12, 2018* -
## Statistics

The least absolute deviation line equation for the data in the table is m = 0.1 x + 2.9 X 1,6,0.5,4,7.5,12,10,11 y 3,2.5,8,1,1.5,9,13,4 What is the sum of the absolute deviations?

*asked on December 12, 2018* -
## geography

How did the Minoans spend their time?

*asked on December 4, 2018* -
## math

A 25% vinegar solution is combined with triple the amount of a 45% vinegar solution and a 5% vinegar solution resulting in 20 milliliters of a 30% vinegar solution. Write an equation that models this situation and explain what each part represents in the

*asked on November 26, 2018* -
## English

This shows that even with her high budget nearly doubling Trump’s for advertisements and media alone were simply not enough to win the election. does this sentence sound okay? i think it needs be better sounding for some reason

*asked on November 25, 2018* -
## English

Are there any current debates regarding languages? Like how it causes racism maybe?

*asked on November 24, 2018* -
## English

Does anyone know a time in history where language played a huge role in creating a great effect on something else? For example, the Navajo speakers in WW2 decoding and encoding their native language supporting the Americans so they won't be intercepted or

*asked on November 23, 2018* -
## science

what does a cladogram show

*asked on November 20, 2018* -
## math

Scenario 1: You and your friend enjoy riding your bicycles. Today is a beautiful sunny day, so the two of you are taking a long ride out in the country side. Leaving your home in Sunshine, you ride 6 km due west to the town of Happyville, where you turn

*asked on November 5, 2018* -
## physics

What is the magnitude of the frictional force present if a 3kg mass being pulled by a horizontal force of 5 newtons towards the right experiences an acceleration of -0.33 m/sec^2?

*asked on October 25, 2018* -
## physics

(fill in the blanks) The mass of a 300 g object is _______(a). Its weight on Earth is _______(b). An object that weighs 20N on earth has a mass on the moon equal to ________(c)

*asked on October 25, 2018* -
## physics

A crate filled with food rests on a horizontal floor. Only gravity and the support force of the floor act on it, as shown by the vectors for weight W and normal force N. 1) The net force of the crate is a) zero b) greater than 0 2) The evidence for Numer

*asked on October 25, 2018* -
## physics

A shot putter throws the shot (mass=7.3kg) with an initial speed of 14.4 m/s at a 34.0 degree angle to the horizontal. Calculate the horizontal distance traveled by the shot if it leaves the athlete's hand at a height of 2.10m above the ground.

*asked on October 25, 2018* -
## physics

A force acts on a 2kg mass and gives it an acceleration of 3 m/s^2. what acceleration is produced by the same force when acting on a mass of (1) 1kg? (2) 4kg? (3) how large is the force?

*asked on October 25, 2018* -
## physics

what is the net force acting on a 3kg mass if it is accelerating at a rate of 4 m/sec^2 a) 1.33x10^0 nts b) 0 nts c) 7x10^0 nts d) 1.2x10^1 nts

*asked on October 25, 2018* -
## Math

On Chatty Cathy’s cell phone plan she pays for minutes used plus a fixed monthly charge. For 500 minutes she pays $35 total, and for 1500 minutes used she pays $55 total. What is her monthly fixed charge? A) $15 B) $20 C) $25 D) $30

*asked on October 23, 2018* -
## ss

What were new opportunities for African Americans in the field of education? (Choose all that apply.) A.African Americans became presidents and leaders of black colleges. B.African American graduate schools developed.**** C.African American women were

*asked on October 23, 2018* -
## Prealgebra

Least common multiple of the monomial 5a^2 and 16a^3

*asked on October 16, 2018* -
## Social Studies

Identify two specific ways the Catholic Church tried to stop the spread of Protestantism

*asked on October 14, 2018* -
## Math

Simplify: (6 x 10^5) x (3 x 10^4

*asked on October 4, 2018* -
## math

How to multiply 24 x 435x 13 without a calculator

*asked on October 2, 2018* -
## college algebra

find two points on the graph other than the vertex and x intercept of f(x)=-(x+5)^2

*asked on October 1, 2018* -
## trigonometry

A plane starts from point P and flies 240km on a bearing of 120 degrees to Q. At Q the plane makes a 90 degree turn and flies 100km on a bearing of 210 degrees to R. At R the plane again changes directions and flies back to P.

*asked on September 26, 2018* -
## social studies

Which of the following texts contains commentaries on the teachings of Moses? A. the Writings B. the Torah C. the Hebrew Bible D. the Talmud please help i dont want a bad grade again

*asked on September 20, 2018* -
## social studies HELP

Prior to the destruction of the Second Temple, which of the following areas of the world contained Diaspora communities? A. Central Asia B. Great Britain C. Japan D. Southern Africa

*asked on September 19, 2018* -
## math

What set of reflections and rotations would carry rectangle ABCD onto itself? Rectangle formed by ordered pairs A at negative 4, 1, B at negative 4, 2, C at negative 1, 2, D at negative 1, 1.

*asked on September 17, 2018* -
## physics

a skier is acceleration down a 30.0 degree hill at 3.50 m/s^2. how long (in seconds) will it take her to reach the bottom of the hill. assuming she starts from rest and accelerates uniformly, if the elevation change is 120m?

*asked on July 2, 2018* -
## physics

a skier is acceleration down a 30.0 degree hiss at 3.50 m/s^2. how long (in seconds) will it take her to reach the bottom of the hill. assuming she starts from rest and accelerates uniformly, if the elevation change is 120m?

*asked on July 2, 2018* -
## AP physics

a delivery truck travels 9 blocks north, 7 blocks west and 12 blocks southwest. What is the final displacement from the origin? blocks are equal length

*asked on June 24, 2018* -
## math

Show that 5x7^n+3+11^n-8 is always divisible by 3 for all numbers for n

*asked on June 10, 2018* -
## math

We define two numerical operations labelled T and R. The effect of T is to add 1 to a number. For example, if we apply the operation T to the number 2 three times in a row, we obtain 3, then 4, then 5. The effect of R is to find the negative reciprocal of

*asked on June 4, 2018* -
## Math

The angle between two force a and b vectors is 114o. The scalar projection of is – 13 N. Determine the magnitude of b. Can the magnitude be a negative number?

*asked on June 3, 2018* -
## Vectors

Determine the numbers a, b, and c, such that the vector (a, b, c) is a unit vector with directional angles of 60.3o, 34.0o, and 105o.

*asked on June 3, 2018* -
## math

Bruce draws rings of rhombuses about a common centre point. All rhombuses have the same side length. Rhombuses in the first, or inner, ring are all identical. Each rhombus has a vertex at the centre and each of its sides that meet at the centre is shared

*asked on May 26, 2018* -
## math

Diana bought a car for $5000 and plans to sell it to make a 20% profit. What should she sell it for to make the profit she desires?

*asked on May 23, 2018* -
## Geometry

Tangent Lines practice problems. Unit 7 3. In the figure below, lines that appear to be tangent are tangent. Point O is the center of the circle. Which is the value of x? I am really confused on this question. If anyone could help that would be great

*asked on April 25, 2018* -
## Math

Adam used the three fractions to make a circle graph dhd

*asked on April 12, 2018* -
## Physics

The critical angle is the angle at which a ray of light is no longer refracted but completely reflected. True False

*asked on April 8, 2018* -
## SCIENCE

A sphere of mass 50g and diameter 20cm is rolling with a speed of 5cm/sec . What will be its its total energy.

*asked on March 7, 2018* -
## Maths

The Random Variable X is normally distributed with mean 560 and standard deviation 20. Find P(X

*asked on February 26, 2018* -
## Statistics

The Random Variable X is normally distributed with mean 560 and standard deviation 20. Find P(X

*asked on February 26, 2018* -
## social studies

which of the following is not a type of hieroglyphic sign? a.)Alphabetic sign b.)word sign c.)number sign d.)syllabic sign

*asked on February 20, 2018* -
## Precalculus

Suppose you deposit $10,000 into an account earning 3.5% interest compounded quarterly. After n quarters the balance in the account is given by the formula: 10000(1+0.035/4)^n a) Each quarter can be viewed as a term of a sequence. List the first 5 terms.

*asked on February 6, 2018* -
## Precalculus

Suppose you deposit $10,000 into an account earning 3.5% interest compounded quarterly. After n quarters the balance in the account is given by the formula: a) Each quarter can be viewed as a term of a sequence. List the first 5 terms. b) Identify the type

*asked on February 6, 2018* -
## Precalculus

ool and die company buys a machine for $175,000 and it depreciates at a rate of 30% per year. (In other words, at the end of each year the depreciated value is 70% of what it was at the beginning of the year.) Find the depreciated value of the machine

*asked on February 6, 2018* -
## Precalculus

you borrow $5,000 from your parents to purchase a used car. The arrangements of the loan are such that you make payments of $250 per month toward the balance plus 1% interest on the unpaid balance from the previous month. (a) Find the first year monthly

*asked on February 6, 2018* -
## Geometry

Complete the following: Describe one way that concepts about similarity could be used in real life. Write two proportions in the form start fraction a over b end fraction equals start fraction c over d end fraction. Only one of your proportions should be a

*asked on January 31, 2018* -
## Precalculus

A museum borrows $2,000,000 at simple annual interest to purchase new exhibits. Let x represent the amount borrowed at 7%, y represent the amount borrowed at 8.5%, and z represent the amount borrowed at 9.5%. Set up a system of linear equations to

*asked on January 30, 2018* -
## NM History

Based on your learning in this unit, what is one place that holds special significance for native american identity in new mexico? Give two reasons to justify your choice.

*asked on January 29, 2018* -
## use exactly 100 letters to write a sentence or two

?

*asked on January 26, 2018* -
## Pre calc

Evaluate using the Pythagorean indentities Find sinθ and cosθ if tanθ =1/6 and sinθ >0 Help please ! Thank you !

*asked on January 18, 2018* -
## NEED G+HELP ASAP

a +1/3 = 6/7 1. 1 3/21 2. 5/10 3. 7/10 4. 11/21 EXPLAIN PLEASE

*asked on January 7, 2018* -
## math

a fertilizer covers 5/6 square foot in 1/2 unit rate

*asked on January 7, 2018* -
## Social Studies

What examples are given of a limited government and an unlimited government in the section? How did each type of government affect its citizens?

*asked on January 4, 2018* -
## algebra

Sylvia bought a 6-month $1900 certificate of deposit. At the end of 6 months, she received a $209 simple interest. What rate of interest did the certificate pay

*asked on December 13, 2017* -
## health

which is a main factor that accounts for changes in the american family structure

*asked on December 11, 2017* -
## health

which is a main factor that accounts for changes in the american family structure 1.casual friends 2.close friends 3.opposite sex friends 4.personal friends

*asked on December 11, 2017* -
## Algebra

The first term in the sequence is -2 and the fifth term is -1/8 what is the common ratio

*asked on December 7, 2017* -
## Algebra

The sum of one number and 2 times a second number is 57. The sum of the two numbers is 18

*asked on December 7, 2017* -
## math

10-2[10-3(2+1)] --------------- 12/3(2)

*asked on December 5, 2017* -
## Language arts

which word in the following sentence is a conjunction? Wow, aren't computer amazing? A. Aren't B. Wow C. Computers D. amazing Ms. Sue please help

*asked on November 27, 2017* -
## math

2005 2006 2007 2008 Plant 1 20 4 25 10 Plant 2 25 5 5 48 Plant 3 20 8 20 32 Plant 4 43 10 10 47 Plant 5 40 11 15 48 For which year is the mean the BEST measure of central tendency? A) 2005 B) 2006 C) 2007 D) 2008

*asked on November 24, 2017* -
## Physics

A desk fan has three (approximately) rectangular sheets of 15.8 cm long and 5 cm wide, each with a mass of 140 g. The fan is rotating at a constant angular speed of 19.8 rad / s when the power is turned off. Due to friction the angular velocity of the fan

*asked on November 17, 2017* -
## Physics

A uniform disc of 2.98 kg is mounted so that it can rotate in the horizontal plane around a frictionless axis through its center of mass. The angular velocity of the disc at the start is 140 rpm. A hollow cylinder with thin walls and the same radius as the

*asked on November 17, 2017* -
## chemistry

What is the mass of BaCl2 contained in 250 mL of solution since after the addition of 40.00 ml of AgNO3 0.1020M to 25.00 mL of the BACl2 solution, the excess solution of AgNO3 consumed 15.00 ml of NH4SCN 0.09800 M

*asked on November 13, 2017* -
## physics

A 1000 kg car traveling is at 40.0 m/ s. To avoid hitting a second car the driver slams on his brakes. The brakes provide a constant friction force of 8000 N. ( a) Find the minimum distance that the brakes should be applied in order to avoid a collision

*asked on November 12, 2017* -
## Check Please !!! Re-written

I am an aspiring human rights advocate attending the University of Baltimore. I am an individual with many social and political concerns. I am invested in this because I believe…that regardless of individual’s sexual multiplicities and social

*asked on November 12, 2017* -
## eNGLISH

HELP-REWORD!!! OF DOES IT SOUND CLEAR? Although I am not part of the LGBTQ community, as an outsider, I personally know someone that this bill would relate to. People not in the LGTQQ community may not understand the political forces that impact people in

*asked on November 12, 2017* -
## Math

ABC has vertices A(0, 6), B(4, 6), and C(1, 3). Find the orthocenter of ABC?

*asked on November 11, 2017* -
## Physics

An electron is acted upon by a force of 3.50×10−15 N due to an electric field. Find the acceleration this force produces in each case: The electron's speed is 6.00 km/s . =3.84*10^15 The electron's speed is 2.60×108 m/s and the force is parallel to the

*asked on October 30, 2017* -
## math

1000000 + 100000000000000

*asked on October 24, 2017* -
## Physics

A block with a weight of 3.7 N is launched along a slope upwards by a spring with k = 2.25 kN / m. The slope makes an angle of 30° with the horizontal and has a vertical height of 0.75 m (measured from the starting point of the block). When the block is

*asked on October 19, 2017* -
## Physics

A placekicker kicks a football with a velocity of 35 m/sec and an angle of 25˚ above the horizontal. When the football is 10 m off the ground, a. What is the horizontal velocity of the ball? b. What is the vertical velocity of the ball? c. What is the

*asked on October 16, 2017* -
## Physics

A flight attendant pulls her 66 N flight bag a distance of 359 m along a level airport floor at a constant velocity. The force she exerts is 42 N at an angle of 54Â° above the horizontal.

*asked on October 15, 2017* -
## math

what is the property of 7(2-p)=14-7p

*asked on October 12, 2017* -
## math

7^2 + 24^2 =??? Please someone help!!!!!

*asked on October 12, 2017* -
## math

An old lady has 125 cats. Seven of them are old, 9 of them are her favorite, 5 of them are both (old and favorite). How many of are neither old nor favorite?

*asked on October 9, 2017* -
## physics

A sled loaded with bricks has a total mass of 17.0 kg and is pulled at constant speed by a rope inclined at 20.0o above the horizontal. The sled moves a distance of 17.0 m on a horizontal surface. The coefficient of kinetic friction between the sled and

*asked on October 8, 2017* -
## Finite Math

An urn contains 55 green marbles and 44 red marbles. One marble is removed, its color noted, and not replaced. A second marble is removed and its color is noted. (a) What is the probability that both marbles are green? red? (b) What is

*asked on October 7, 2017* -
## Chemistry

Silver(I) nitrate and sodium sulfate react to form silver(I) sulfate and sodium nitrate. Suppose 49.02 mL of 0.040 M silver(I) nitrate solution and 39.48 mL of 0.10 M sodium sulfate solution are mixed. What is the maximum number of grams of silver(I)

*asked on September 26, 2017* -
## Trigonometry

Two students are passing a ball back and forth, allowing it to bounce once between them. If one students bounce passes the ball from a height of 1.4 m and it bounces 3 m away from the students, where should the second student stand to catch the ball at a

*asked on September 25, 2017*