MATHEMATICS MIDDLE SCHOOL

What is the slope of f(x)=4/5x-8

Answers

Answer 1
Answer:

Answer:

the slope is 4/5

Step-by-step explanation:

because i learn that

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Answers

Answer:

-616

Step-by-step explanation:

None of these answers are correct... maybe you entered the equation in wrong. There are no variables so answers B,C, and D would be incorrect. And A is incorrect as well. Again, check the equation... may be wrong.

A company charges $211.25 for 5 trees and 15 shrubs, The company charges$15.25 more for a tree than a shrub. How much does each shrub cost?

Answers

First we make our formula: 5(t+15.25)+15t=211.25. (I use the same letter for both variables, but you have to make sure that whatever makes them different is in the formula) Then you work it like normal: 20t=135, T=6.75 so 1 shrub costs $6.75 Then substitute the answer in: 5(6.75+15.25)+15(6.75)=211.75 and check it. 1 tree is $110 :) hope this helps :)

Which equation best represents the line that is parallel to 3x -4y=7 and passes through the point (-4,-2)? Select two options.

Answers

Answer:

The equation that best represents the line that is parallel to 3x - 4y = 7 and passes through the point (-4, -2)  is y = 3/4x + 1.

Step-by-step explanation:

3x - 4y = 7 and (-4, -2)

First, solve for y in the equation:

3x - 4y = 7

-4y = -3x + 7

4y = 3x - 7

y = 3/4x - 7/4

m = 3/4 (This will be the slope of the parallel line.) and (-4, -2)

Use the point-slope equation to find the equation that will best represent a parallel line:

y − y1 = m(x − x1)

y - -2 = 3/4(x - -4)

y + 2 = 3/4x + 3 (the 4s cancel out)

(3/4 x 4/1 = 3)

y = 3/4x + 1

The graph that I attached is what these two equations would look like graphed. I am not sure what you mean by two options, I'm sorry!

A city known for its temperature extremes started the day at -5 degrees

Answers

What? I think you forgot to add the words

I need your help with this problem

Answers

Answer:

a) distance from plane to swimmer = 2127.66 m

b)  distance from swimmer to point D = 1928.31 m

Step-by-step explanation:

Given the question,

height at which the plane is = 900m

angle of depression = 25°

If we closely observe, the whole scene is making an right angle triangle

So, we can use trigonometry identities

a)

cosФ = BD / AB

cos (90-25) = 900 / AB

0.423 = 900 /AB

AB = 2127.66 m

b)

sinФ = AD/AB

sin(90-25) = AD /2127.66

AD =  sin(90-25) x 2127.66

AD = 1928.31m

Anthony made a chicken dish for dinner. He added a 10 -oz package of vegetables and a 14- oz package of rice to 40 oz of chicken. what was the total weight of the chicken dish in pounds

Answers

You would need to add 10 -oz with 14-oz and once you get that answer,you need to add it to 40-oz
If 40+10+14=64 and there are 16 oz in q pound then 64/16=4 so 4 pounds
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