# math 115 #7

137,923 results

### MATH

Sally is evaluating some test papers. There are 80 multiple choice questions in the test. Students get two points for every correct answer and for every wrong answer or any question left blank, one point is deducted from the total score. Mick got 115 points on the test. If x ...

### Math 115 CAP

Describe some coping mechanisms developed in MAT 115 that can be used for another math course.

### complex number ~

thanks BOB =) *HUGS* 115 cis 45* 3 solutions = 120* apart Are these correct? 115 cis 45* 115 cis 45 + 120 = 165* or is it (-75*) 115 cis (45 + 120 + 120) = 285*?? or (-195*)?? It's really Matthew!I found out what it is but I will help you when you help me plz!!! Exactly right...

### science

The flowerpot weighs 5 pounds on Earth and 0.29 pounds on Pluto. Which proportion could you use to calculate a 115-pound person’s weight on Pluto? A. 5 over 0.29 = 115 over w B. 0.29 over 5 = w over 115 C. 5 over 0.29 = w over 115 D. either A or B

### complex numbers

115 cis 45* 3 solutions = 120* apart Are these correct? 115 cis 45* 115 cis 45 + 120 = 165* 115 cis (45 + 120 + 120) = 285*?? WHat is cis? cos + isin OH LOL!!!Wish I could help!LOL!But...PLease help me!!:(

### math help!

bernardo folds the 2 top corners of a rectanglular piece of paper to form 2 conguent triangles and an isosceles trapezoid. The triangles each have an angle that measures 65. what are the measures of the 2 top angles in the trapezoid? a. 25 and 25 because 65 + 25=90 b. 115 and ...

### math

115-100+3*5= 115-100+3*5...Use BEDMAS (Bracket, Exponent, Division/Multiplication, Addition/Subtraction). So you would first do 3*5 which is 15. So you'd have: 115-100+15 And then from there solve to get 30. It's PEMDAS Raj!! P - PARENTHESSE E - Exponent M - Multiplacation D...

### Algebra

Can you please help me solve: Fifteen less than twice some number is 115. 15 - 2x = 115 is this the correct equation? thank you

### Math - check answer

Given s = 10 - 10t2 + 45t3, determine the velocity when t = 1 s. velocity in m/s = My Answer S'= 0-20t + 135t^2 S'(1) = -20+135 = 115 velocity in m/s = 115 Can you please confirm this is correct. Thanks!

### Statistics

A student wants to test her hypothesis she gives each of her students an IO test. She finds that the average IQ score is 115 and the standard deviation for the class is 30. There are 22 students in the class. She also knows that the population average IQ is 100 points. Ho:p=...

### geometry

I found out the first part of which is x for the figure which was 115 degrees.They do give you the other measures of the angles which are 115,155,155,155.135,135,115.The second part of the problem say yo find the sum of the measures of the exterior angles,one at each vertex,...

### math

How many gram of sodium fluoride should be added to 100000 liter of drinking water containing 0.6 ppm of sodium fluoride to provide a recommended concentration of 1.75 ppm? Answer is 115 grams. I keep getting .115 g What am I doing wrong? Please help.

### Henry ford academy elemetry

Write 115,234 in expanded form and in written form 115+200+30+20

### algebra

simplify 26-3*2/4^4+3^4 26-6/256+81 20/337 125-2*5/3^3/3^2-(-3)^2 125-10/27/9-(-9) 115/3-9 115/27 want to know if these two problem right

### algebra

simplify 26-3*2/4^4+3^4 26-6/256+81 20/337 125-2*5/3^3/3^2-(-3)^2 125-10/27/9-(-9) 115/3-9 115/27 want to know if these two problem right

### MATH

changing units in the metric system 1. 0.25L = _mL A)2.5 B)25 C)250 D)2,500 2. 6,051M =_ Km A)0.6051 B)6.051 C)60.51 D)605.1 3. 1.15cg =__ g A)0.0115 B)0.115 C)11.5 D)115 4. 603Kg =__ g A)6.03 B)60.3 C)6,030 D)603,000 5. a paper clip is 2.35 cm. how many long is the paper clip...

### physics

When 115 V is applied across a wire that is 10 m long, the magnitude of the current density is 1.4*10^4 A/m2. Find the resistivity of the wire. R=V/I; R=pL/A => V/I=pL/A => A(x)V/I(x)L=p :(π(5^2))(115)/(1.4*10^4)(10) Is this right? Do I just plug and chug now?

### CIS 115

CIS 115 week 7 exercise: Determine output. I need help with this week's exercise...DeVry CIS 115 week 7...please help! Using the questions on page 2, determine the output for each question. If input data is provided, be sure to use it with the each question.

### Chemistry

indium-115 has a half life of 4.5 hours, if you start with a 12.0mg sample of indium-115, how much will remain after 13.5 hours

### Math

Suppose the tuition at a community college is currently $115/credit hour. If the tuition is increased by 7%, what is the new tuition rate? What was the multiplier you used? I multiplied $115 x 1.07 to get a new rate of $123.05 So would I say the multiplier was 1.07? I'm not ...

### math

Lane French had a bad credit rating and went to a local cash center. He took out a $100 loan payable in two weeks at $115 (In other words, in two weeks he paid back a total of $115). What is the percent of interest paid on the loan? Do not round denominator before dividing

### Thermodynamics

The initial state consists of a closed system containing one mole of super-heated liquid water at 115°C and 1 atmosphere pressure. The immediate surroundings are also at 115°C and 1 atmosphere pressure. The change in state is described as this one mole of super-heated liquid...

### math

1. 0.25 L= _____mL A.2.5 B.25 C.250 D.2500 2. 6051 m=_____km A.0.6051 B.6.051 C.60.51 D.605.1 3. 1.15 cg=______g A. 0.0115 B.0.115 C.11.5 D. 115 4. 603 kg=______g A.6.03 B.60.3 C.6030 D.603,000 5. A paper clip is 2.35cm. How many meters long is the paper clip? A.0.0235 B.0.235...

### Algebra

The area of a parallelogram is 115 square miles the base is= x+9 and the height is x-9. so the equation I got down which is 115=(x+9)*(x-9. Now I have to find the base and height in miles. Can someone help?

### physics

Sue and Jenny kick a soccer ball at exactly the same time.Sue's foot exerts a force of 62.3 N to the north. Jenny's foot exerts a force of 115.9 N to the east. What is the magnitude of the resultant force on the ball? Answer in N. What is the direction of the resultant force (...

### Statistics

For the overall population, the IQ scores follow the normal distribution with mean equal to 100 and variance equal to 225. What is the best answer? A. If you pick a person at random, the chance that his IQ falls between 100 to 115 is more than the chance that his IQ falls ...

### Chem Check Please!!!

Calculate for the electrochemical cell below, Ag(s) | AgCl(s) | Cl–(aq) || Cu2+(aq) | Cu(s) given the following standard reduction potentials. Cu2+(aq) + 2 e– -> Cu(s) E = +0.337 V AgCl(s) + e– -> Ag(s) + Cl–(aq) E = +0.222 V a. –0.115 V b. –0...

### 7th grade math

Can you check the following? 1. (-1/3)x = -5 multiply both sides by -3 because dividing by fraction is same as multiplying by its reciprocal, right? Ans: -5(-3)= 15 2. x - (-3) = -8 + (-3) + (-3) x = -11 3. The signup fee to join Flexible Fitness Gym is $25. The monthly fee is...

### Algebra

At 3PM, two ships started sailing toward each other from ports which were 265 miles apart at average rates of 18 and 23 miles per hour. At what time were the ships still 60 miles apart? Let t=time=5 hours Let 18t= first ship=90 Let 23t= second ship=115 18t+23t+60=265 41t+60=...

### Statistics

Use the following information to answer the following questions. IQ is measured with scores that range from 0-200. Thea mean is 100 and the standard deviation in the population is 15. What is the probability that a randomly chosen person has an IQ of 115? Suppose you have a ...

### Statistics

I know don't know if this right P(X)<115)= 12.1 (115-mean) how do I get the mean or is there a formula that can help me solve this? A population of line voltages has a standard deviation of 1.20 volts. What value would the mean line voltage have to be so that 12.1% of the ...

### Quality Control

How need help with this one. This is what I know P(X)<115)= 12.1 (115-mean) how do I get the mean or is their a formula that can help me solve this? A population of line voltages has a standard deviation of 1.20 volts. What value would the mean line voltage have to be so ...

### math 115

is 8/11 X 33/56= 3/6

### physics

Two 75.0 kg hockey players skating at 5.60 m/s collide and stick together. If the angle between their initial directions was 115°, what is their velocity after the collision? (Let the motion of player 1 be in the positive x-direction and the motion of player 2 be at an angle ...

### Math

if there are 145 test questions, and the mean of the test scores for a class is 100 with a standard devation of 15, what percentage of the people taking the test would have the following scores: scored b/w 100 &115, scored b/w 100 & 115,scored b/w 0 & 100, scored b/w 0 & 145, ...

### Math/115

0.3x - 0.2y = 4 0.5x + 0.5y = 45/23 How to eliminate?

### Grade 10 MATH

17^115

### Math 115

Add 1/4 + 3/10 + 14/15

### Math 115 9.3 #48

-3.4 - (7.6) I get 4.2 Correct?

### math 115 9.4 #80

(-3)^3 - (-8)(-2) 27 - -16 =11 correct

### Math 115 15 & 16

#1. 10-15/(3)(6)-12 #2. 11-15/(6)(4)-18 this is what i come up with #1 -4/24-18=-4/6 #2 -5/18-12=-5/6

### Math 115 17

how do I simplify (-3)^3 - (-8)(-2)

### Math 115

Add -4/5 + (- 3/4). help me I do know what to do.

### Math 115

Add -4/5 + (- 3/4). help me I do know what to do.

### Math 115

-4/5 + (-3/4)=-21/20 is this right

### MATH 115

6 min= ? ms

### math

1,115 is what percent of 210

### Math 115

6.5% of what number is 325

### math 115 5-7

Solve for the unknown s/24.0 = 8.0/1.6 ?

### math 115 #7

Solve for the unknown: s/24.0 = 8.0/1.6

### Math 115 23

Multiply (1)(–6)(–2). 1 x -12 = -12 correct?

### Math 115 12

Find the reciprocal of (-1/7) (21)

### Math 115 17

Simplify: -5.4 + (-2.1) + (-3.5) -5.4 +-5.6 =11.0 correct?

### Math 115 16

I just don't get it Simplify (-1/2) (4/3) (-6)

### math 115 wk.7

find the mode for 9,8,10,9,9,10,8

### math 115

solve for the unknown 4/X = 3/15

### math 115

evaluate |10|+|-2| = 8 is this correct?

### Math 115

9/11 - 3/11 + 7/11=13/11 which is improper so the answer is 1 1/11?

### math/115

f(x) = 2x - 14 Find f(3) and f(-3). f(3)=2 -14=7 f(3)=2+14 is this correct

### Math

113.50 ? 114.50 ? 115.00

### math 115 5-7

Write the proportion 5 is to 8 as 15 is to 24 5/8 = 15/24 correct?

### Math 115

16÷(-2)x 4 OVER 2^3 +4 I have no idea of how to do this

### Math 115 15

Perform the indicated operation. 10-15 ÷ (3)(6) -12

### Math 115 25

Perform the indicated operation 17-19 ÷ (5)(5) -30

### math 115

is this correct 15g= 528 kg

### math 115

15g= 15000kg is this correct?

### MATH 115

is 6 min= 36000 ms correct?

### Math 115

9/11 - 3/11 + 7/11= 1/11? write in lowest terms

### Math 115

How do perform the indicated operation.15/13-13/15

### Math

Given f(x) = 2x 4 - 3x 2 - 8x + 4, what is f(3)? A. 88 B. 115 C. 131 D. 133 A?

### physics

This question refers to my question that was replied to: Sue and Jenny kick a soccer ball at exactly the same time.Sue's foot exerts a force of 62.3 N to the north. Jenny's foot exerts a force of 115.9 N to the east. What is the magnitude of the resultant force on the ball? ...

### Math 115

Find the mode of each set of numbers. 41, 43, 56, 67, 69, 72

### Math 115 24

Simplify: -5^3 -3 -125 -3 = 122 correct?

### Math 115 5

If the base of a parallelogram is 4 1/2 in. and its height is 5 1/3 in., what is its area?

### Math 115

8/26=m/13 104/26 m=4 Check this problem please

### math 115

what does composite and prime mean and reciprocal

### Math 115

Determine the Maximum and minimum values: -3, 2, 7/12, -3/4, 5/6, -10/3, 5/2

### math/115

evaluate -|-618| please help me, I just don't get it

### math 115

C(x)=450x+5000, R(x)=-3x^2+900x for 20<x<150 where x>=20

### math

sub 780 for x -2,5x^2 +2825x -115,812.5

### MATH

sub 789 for x -2.5x^2 +2825x-115,812.5

### Math

For the series 16, 24, 36, 54,... find S7. A) 32.17 B) 115.75 C) 514.75 D) 3906.25 B?

### Physics

What current would flow in an ordinary 115 V household circuit, if a 1430 W hair drier and a 1000 W microwave oven were operating simultaneously on this line?How much current would the hair drier and microwave from the previous question draw, if they were connected to the 115 ...

### Math 115

List the factors of the number 27. 1,3,9 this is correct right?

### Math 115 9.5 #58

This is a fraction I think 16/(-2)x 4 OVER 2^3 +4 I am really lost

### Math 115 1

Find the mean of the following set of numbers. 10, 8, 10, 12, 14

### Math 115 8

m ‡˜ A = 81 Find the supplement of ‡˜ A. those are angle signs.

### Math 115 23

Multiply 3 1/6 X 2 9/11 X 4 6/17. Write your answer in simplest form.?

### Math 115 18

Find the best buy for tomato juice: (a) 8 oz. for $0.37 (b) 1 pt 10 oz for $1.19 (c) 1 qt 14 oz for $1.99

### math 115

how do i turn 2/3 into a decimal or do i for this question 2/3*420=

### Math 115

13/18 + 11/18 then write all answers in the lowest terms? A-8/9?

### math 115

idenify the rate in the following 27% of 500 is 135

### math 115

evaluate: 30/5x3-2 --------- 2-2/3 ( /= divided by) is the correct answer 16/-4?

### math 115

Doo the indicated subtraction 94,000 - 40,723 -------------

### math

341- blank = a number between 115 and 120

### MATH 115 PRE-ALGEBRA

simplify expression 6(3m-7)-2(12y-5)+4(y+6)

### 7th grade math Ms. Sue please

2. Find the sum of the interior angles of a nonagon. (1 point) 140° 1,620° 1,260° 1,450° 4. Find the measure of each interior angle of a polygon with 12 sides. (1 point) 1,800° 150° 180° 145° 5. Four of the angles of a pentagon measure 85°, 110°, 135°, and 95°. ...

### Statistic

Assume that a population is normally distributed with a mean of 100 and a standard deviation of 15. Would it be unusual for the mean of a sample of 3 to be 115 or more? Why or why not? What if the size for each sample was increased to 20? Would a sample mean of 115 or more be ...

### Vectors - check calculation

A box is dragged with a force of 115 N up a ramp a distance of 3 m. If the force makes an angle of 35 degrees with the ramp and the ramp makes an angle of 20 degrees with the ground, how much work is done? This is what I have so far: W = F * D * cos Theta =(115) (3) (cos 55...