4x+5y=20 write this equation in slope intercept form

Answers

Answer 1

Answer: 4x+5y=20 in slop intercept form would be y= (-4/5)x + 4.

Slope intercept form is y=mx+b. So you would first subtract 4x from both sides. This ends up being 5y= -4x +20. Then divide both sides by 5. This gets you y= (-4/5)x +4.

Answer 2

Answer:

y = (-4/5)x + 4 is the slope intercept form of the equation 4x+5y=20 .

To write the equation 4x + 5y = 20 in slope-intercept form (y = mx + b), where "m" represents the slope and "b" represents the y-intercept, we need to solve for "y."

Let's rearrange the equation step by step:

4x + 5y = 20

Subtract 4x from both sides to isolate the term with "y":

5y = -4x + 20

Divide both sides by 5 to isolate "y" and obtain its coefficient:

y = (-4/5)x + 4

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Lu's math score on her achievement test in seventh grade was a 650. Her math teacher told her that her test score level went up by 25% from her sixth grade test score level. What was Lu's test score level in sixth grade? Show your work.

Answers

$x=Lu's\ grade\ in\ sixth\ grade. \n x* (125)/(100) =650 \n x=650* (100)/(125) \n x= ((650)(100))/(125) = (65000)/(125) \n \boxed{x=520}$

The lines a and b intersect at point D.

What is the value of z?

Answers

Answer:

The value of the z is 12 .

Step-by-step explanation:

Definition of vertically opposite angle .

Vertically opposite angles is defines angles opposite to each other when two lines cross eachother .

Thus

(5z + 8)° = (4z + 20)°

(5z + 8) = (4z + 20)

Open the bracket

5z + 8 = 4z + 20

5z - 4z = 20 -8

z = 12

Therefore the value of the z is 12 .

5z+8=4z+20

5z-4z=20-8

z=12

Solve for u -5/2u = 15

Answers

Answer:

U = -1/6

How to solve:

Multiply both sides by 2U to get rid of the denominator and you should end up with

$- 5 = 15(2u)$

then multiply and devide to get your U by itself.

you should then get

$u = - (1)/(6)$

after symplifying.

Answer:

Answer:

u=−10

Step-by-step explanation:

Let's solve your equation step-by-step.

u−5/2u=15

Step 1: Simplify both sides of the equation.

u−5/2u=15

u+−5/2u=15(u+−52u)=15

(u+−52u)=15(Combine Like Terms)

−3/2u=15

Step 2: Multiply both sides by 2/(-3).

(2−3)*(−32u)=(−3)*(15)

u=−10

Maren walks 3/5 miles in 24 minutes at a steady pace. How long does it take her to walk 2 miles.

Answers

It would take Maren 80 minutes, or 1 hr and 20 min. Just divide the 24 minutes by the 3 in the numerator, then find out how many 1/5's it takes to get 2 and multiply that by what you got as your quotient

With this, you have to set up a proportion. So find the decimal of 3/5 and set that equal to 24.
So this is what your proportion should look like: .6/24=x/2
Now you find how much she walks in one minute, so you divide .6 by 24 which is .025 of a mile. So now it will be .025 mpm. So now you multiply that by two.

She walks .05 miles in two minutes.

What is 7,000,000,000 divided by 2%

Answers

2% = 0.02
so 7,000,000,000 divided by 2% (0.02) = 350,000,000,000

Round 39,511 to the nearest 1,000

Answers

the awnswer your looking for is 40,000 because 500 on 39,511 goes up

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