# Posts by hannah

Total # Posts: 3,347

**alebraga**

7x+3=3x+4

**College**

7x+6=x-30

**Physical Science**

Why do astronomers when using the method to calculate the distance to stars, they measure the parallax angels exactly 6 months apart?

**biology**

Before entering the Krebs cycle, an intermediate molecule bonds to a 2-carbon molecule. This intermediate complex enters the Krebs cycle and combines with a 4-carbon molecule to form citric acid. The name of this molecule is ____________________. A. citrase B. FADH C. ATP ...

**biology**

Oxygen becomes part of cellular respiration _________________. A. at the end of glycolysis B. at the end of the electron transport chain C. at the end of fermentation D. at the end of the Krebs cycle

**Math**

Please help me solve this!! I'm really struggling with this topic Write an equation in slope intercept form that is parallel to the following two points: (-1,4) and(1,5)

**Math**

Please help me solve this!! I'm really struggling with this topic Write an equation in slope intercept form with a y-intercept of 1 and is parallel to the given line

**english**

I am confused on this please help

**english**

. Which of the following is the best example of an inverted sentence? A. “All that breathe/Will share thy destiny. . . .” B. “and thee/The all-beholding sun shall see no more. . . .” C. “the dread reign there alone. . . .” D. “The oak/Shall ...

**Math**

what would the equation be in slope intercept of 1 and is parallel to the given line

**Math**

Write an equation in slope intercept form with a y-intercept of 3 and is perpendicular to the given line

**algebra 2**

can someone please answer this

**algebra 2**

(This homework question was removed due to a copyright claim submitted by NNDS.) I messed this up when I asked earlier is the right answer 3/4 ..please let me know

**algebra 2**

A cafeteria has 5 turkey sandwiches, 6 cheese sandwiches, and 4 tuna sandwiches. There are two students in line and each will take a sandwich. What isthe the probability that the first student takes a cheese sandwich and the next student takes a turkey sandwich? the answers I ...

**English**

Pick the correct letter for the analogy below. Please correct me if I'm wrong!! meditation: church:: A. calibration: math B. skating: rink C. watch: time D. collaboration : army Is it A?

**English**

Pick the correct letter for the analogy below. Please correct me if I'm wrong!! thermometer: heat:: A. monograph: books B. barograph : stocks C. seismograph : tremors D. telegraph: sound Is it B?

**English**

Pick the correct letter for the analogy below. Please correct me if I'm wrong!! A. thermometer: heat B. barograph : stocks C. seismograph : tremors D. telegraph: sound Is it B?

**English**

Is it C?

**English**

Pick the correct letter for the analogy below. Please correct me if I'm wrong!! toe: foot:: A. nose: face B. hand: arm C. finger: hand D. limb: tree

**algebra 2**

typo that was a choice f or the answers

**algebra 2**

A builder has 8 lots available for sale. · 3/4 Six lots are greater than one acre. · Two lots are less than one acre. answers I have to choose from 3/4 5/14 27/64 3/4 please help

**algebra**

I did not see it . sorry

**algebra**

. There is a 10% chance it will rain on Saturday and a 30% chance it will rain on Sunday. What percent chance is there that it will rain on both Saturday and Sunday? A. 3% B. 15% C. 20% D. 40% would the answer be c

**algebra**

There is a 10% chance it will rain on Saturday and a 30% chance it will rain on Sunday. What percent chance is there that it will rain on both Saturday and Sunday? A. 3% B. 15% C. 20% D. 40%

**algebra**

yes

**algebra**

y-6 = -3(x + 1) A. The slope is 3, and the y-intercept is -6. B. The slope is 3, and the y-intercept is 1. C. The slope is -3, and the y-intercept is 3. D. The slope is -3, and the y-intercept is 1.

**algebra**

Which is the equation of the line that contains the points (0,3) and (-2,4)? A. x+2y=6 B. 2x+y=3 C. 2x+y=0 D. x-2y=

**chem**

A cars gas tank holds 15.2 gallons of gasoline (density = 0.66 g/ml). How many pounds of gasoline are present in a full tank?

**math**

3. The half-life of a certain drug in the human body is 8 hours how long it would take for a dose of this drug to decay to 0.1% of its initial level?

**math**

2. A bacteria population grows exponentially with growth rate k=2.5 how long it would take for the bacteria population to double its size?

**math**

1.The remains of an old campﬁre are unearthed and it is found that there is only 80% as much radioactive carbon-14 in the charcoal samples from the campﬁre as there is in modern living trees. If the half-life of carbon- 14 is 5730 years, how long ago did the camp...

**math**

A cafeteria has 5 turkey sandwiches, 6 cheese sandwiches, and 4 tuna sandwiches. There are two students in line and each will take a sandwich. What is the probability that the first student takes a cheese sandwich and the next student takes a turkey sandwich?

**algebra 2**

In a shipment of alarm clocks, the probability that one alarm clock is defective is 0.04. Charlie selects three alarm clocks at random. If he puts each clock back with the rest of the shipment before selecting the next one, what is the probability that all three alarm clocks ...

**algerbra 2**

would this be 20 %

**algerbra 2**

There is a 10% chance it will rain on Saturday and a 30% chance it will rain on Sunday. What percent chance is there that it will rain on both Saturday and Sunday

**Math**

What is the y-intercept for the equation x=3y-6=0?

**Math**

What is the y-intercept for the equation x=3y-6=0?

**Math**

Write the equation of a line whose slope is the same as the line y=-2x=7 and whose y-intercept is the same as the line 2y=x-8.

**science**

During road construction a section of rock is cleared which contains many fossils each shovel of rock removed from the trench uncovers several fossils some of the fossils That are exposed include a prehistoric fish petrified wood water plant imprints and jawbone from a giant ...

**Statistics**

C) 2.3

**Science**

The answers are D,B,A,C incase anyone in 2016 is looking lol

**History!!!!**

were they correct ms.sue?

**biology**

Enzymes in the human body work in a very wide range of conditions. A. True B. False

**biology**

Substance X is converted to substance Y in a chemical reaction. What role would a catalyst play in this scenario? A. It would increase the solubility of substance X into the solvent needed to speed up the reaction. B. It would speed up the reaction by becoming part of the ...

**biology**

an experiment, a scientist notices that an enzyme’s catalytic rate decreases when the pH of the environment is changed. Which of the following best summarizes the effect of pH on the enzyme? A. pH changes the shape of the enzyme. B. pH takes energy away from the enzyme, ...

**science**

2. How do enzymes impact biochemical reactions in the body? A. Enzymes are catalysts to biochemical reactions. B. Enzymes lower the activation energy of biochemical reactions. C. Enzymes can speed up biochemical reactions. D. All of the above are correct.

**science**

1. In an experiment, a scientist notices that an enzyme’s catalytic rate decreases when the pH of the environment is changed. Which of the following best summarizes the effect of pH on the enzyme? A. pH changes the shape of the enzyme. B. pH takes energy away from the ...

**biology**

Sulfur has six electrons in its outer most energy level. In ionic bonding, it would tend to _____________________________. A. take on two more electrons B. give away two electrons C. give away six electrons D. not take on anymore ...

**biology**

Which of the following involve electronic charges? A. hydrogen bonds B. ionic bonds C. polar molecules D. all of the above

**algebra**

I have a problem with this: y=1.5x Questions: What is the rate of change between the variables? State whether the y values are increasing or decreasing, or neither, as x increases Give the y intercept List the coordinates of two points that lie on the graph of the line in the ...

**biology**

Which of the following involve electronic charges? A. hydrogen bonds B. ionic bonds C. polar molecules D. all of the above

**biology**

Sulfur has six electrons in its outer most energy level. In ionic bonding, it would tend to _____________________________. A. take on two more electrons B. give away two electrons C. give away six electrons D. not take on anymore ...

**social studies**

What is a possible explanation of why China abandoned overseas exploration in 1435? A. China could not develop advanced naval technology. B. The voyages of Zheng He failed to impress local rulers. C. Confucian scholars wanted to protect China’s traditions. D. The Chinese ...

**algebra 2**

Isabella shipped a 5-pound package for $4. She shipped a 3-pound package for $3.60 and a 1-pound package for $3.20. A 10-pound package cost $5 to ship. The shipping cost follows a pattern based on the weight of the package. Which expression can be used to calculate the ...

**algerbra 2**

1. Marissa is a photographer. She sells framed photographs for $100 each and greeting cards for $5 each. The materials for each framed photograph cost $30, and the materials for each greeting card cost $2. Marissa can sell up to 8 framed photographs and 40 greeting cards each ...

**Chemistry**

please explain

**Physics (Please check)**

So I just want to make sure I did the math corretly: My value for angle of incidence was 20 degrees and for refraction it was 15 so I did Sin(20) / sin (15) = 1.32 which is very close to the accepted value. Is this corret?

**Physics (Please check)**

Calculate the index (n water) of refraction of water given the angle of incidence and the angle of refraction. I know that the accepted value for n is 1.33 but I am not sure how to calculate the index. Would I use Snell's law: na sin Qa = nb sin Qb? Thank you!

**Math**

What would this look like in an equation in slope intercept form? through (-3,4) and (3,-4) Would it be Y=4/3x+0 ??

**Math**

What would this look like in an equation in slope intercept form? X-intercept -4, Y-intercept -2 Would it be Y=-1/2x+2 ??

**Math**

What would this look like in an equation in slope intercept form? through (0,7) and (1,9) Would it be Y= 2/1x+7 ?

**Math**

How would you put this in an equation in slope intercept form? what would it look like? X-intercept -4, Y-intercept -2

**Math**

How would you put this in an equation in slope intercept form? what would it look like? Y-intercept -5, X-intercept 3

**Math**

How would you put this in an equation in slope intercept form? what would it look like? Slope -3; x-intercept 3

**Math**

How would you put this in an equation in slope intercept form? what would it look like? Slope 1/2 ; x-intercept 4

**English**

Is that correct?

**English**

False

**English**

Whitman, Bradstreet, and Wheatley included sensory details in their poetry. True/False

**algebra**

please help with my other ones

**algebra**

last one write an equation of the line that passess through 10,-4 and is perpendicular to the line whose equation is y=2/5x+8 help

**algebra**

I am confused on what to do with this?

**algebra**

find an equation of the line that passess throught 0.-6 amd 5, 3

**algebra**

wtite an equatiom of the line through 5,-3 and -2 and -8 in slope intercept form

**algebra**

one line paasses through -3,-2 and -2,1 and another line passes through -1,2 and 2,1 what is the relationship between the lines are they parrelle, perpendicular, or neither?

**algebra**

In a line with a slope of 1/2 a perpendicular to another line, the the slope of the is -2 true or false

**algebra 2**

by 10 there are 25 people admitted to a park by 11 there are 50 what would a slope of zero between 2 consecutive hours mean and can the line between 2 consecutive numbers have a negative slope

**math 5th grade**

How to solve 547X73

**algebra 2**

This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).

**algebra 2**

This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).

**math 5th grade**

How to solve 547X73

**algebra**

This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).

**algebra 2**

the 2 unequalities -26<4k-2 and 2k-1<6 A. Write a compound inequality to combine the inequalities shown previously. and B. Solve the compound inequality for values of k. Show your work. Write your final answer as one inequality. please help

**Geometry**

A ladder 12 m in length rests against a wall. The foot of the ladder is 3 m from the wall. What is the measure of the angle the ladder forms with the floor?

**math**

is 3/8 more,less than or equal to 40%

**algebra 2**

please help me with this

**algebra 2**

A garden supply store sells two types of lawn mowers. The cashiers kept a tally chart for the total number of mowers sold. They tallied 30 mowers sold. Total sales of mowers for the year were $8379.70. The small mowers cost $249.99 and the large mowers cost $329.99. Find the ...

**algebra 2**

You have $22 in your bank account, and you deposit $11.50 per week. Your cousin has $218 in his bank account and is withdrawing $13 per week. The graph of this problem situation intersects at x=8. What does this mean? A. In 8 weeks, you will have triple the amount of money in...

**algebra 2**

A garden supply store sells two types of lawn mowers. The cashiers kept a tally chart for the total number of mowers sold. They tallied 30 mowers sold. Total sales of mowers for the year were $8379.70. The small mowers cost $249.99 and the large mowers cost $329.99. Find the ...

**algebra 2**

I need to graph these what would be the equations x=300 y=-300 x=200 y = 400/3 are these the correct answers

**algebra 2**

This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).

**algera**

This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).

**algebra 2**

Ms. Tweed earns $12 an hour. Deductions for taxes and insurance take 25 percent of her earnings. Which equation could be solved to find Ms. Tweed’s take-home pay, p, after 80 hours of work?

**algebra 2**

A. 75 = 10d + 5n B. 75 = 10d · 5n C. 75 = dn D. 75 = d + n

**algebra 2**

please help me with this would it be 75=10D+5N

**algebra 2**

Marshall has $1.25 in dimes, d, and nickels, n, in his pocket. Which equation could be solved to find the possible combinations of dimes and nickels Marshall has?

**biology**

Covalent bonds are not affected by chemical reactions. true ir false

**biology**

What are the reactants in the following chemical formula? C6H12O6 + 6O2 ¨ 6CO2 + 6H2O

**algebra 2**

would 90=3y+2-5y be right

**algebra 2**

. A tile setter is joining the angles of two tiles, A and B, to make a 90-degree angle. The degree measure of Angle A can be represented as 3y + 2 and of Angle B as 5y. Which equation represents this situation? these are the one I neeeed help with

**algebra 2**

One-fourth of the distance between two cities is 100 miles less than two-thirds the distance between the cities. Which equation expresses this situation?