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attashe74 [19]
3 years ago
14

Explain how to change 86% into an equivalent ratio written in simplest form

Mathematics
1 answer:
stepan [7]3 years ago
7 0

Answer:

I can't explain here since I can't write numbers.

Step-by-step explanation:

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Cynthia was paid 20 cents pr board for painting the fence. If she was paid $10 for painting half the boards, how many boards wer
yawa3891 [41]

Answer:

100 boards

Step-by-step explanation:

Step one:

Given data

We are told that Cynthia was paid 20 cents per board for painting the fence

that is for 1 board painted she gets $0.2

If she was paid $10

let us find the number of boards she painted for $10

= 10/0.2

=50 boards

This means that the total boards were 50*2= 100 boards

3 0
3 years ago
#5 please help me solve this
igor_vitrenko [27]

Answer:

x intercept = -7/2

y intercept = 21/5

Step-by-step explanation:

-6x +5y = 21

To find the x intercept, set y=0 and solve for x

-6x +5(0) =21

-6x =21

Divide each side by -6

-6x/-6 = 21/-6

x = -21/6 = -7/2

To find the y intercept, set x=0 and solve for y

-6(0) +5y = 21

5y =21

Divide each side by 5

5y/5 =21/5

y = 21/5

8 0
3 years ago
Which expression is equivalent to 27<br> ?
vfiekz [6]

Answer:

Last one

Step-by-step explanation:

3^4*3^-7

8 0
3 years ago
3. Triangle ABC has angle measures as shown.<br><br> a) What is the value of x? Show your work.
VladimirAG [237]
As always, the sum of the measures of the angles in a triangle is 180°.

(x -5) +(3x +30) +35 = 180
4x +60 = 180 . . . . . . . . . . . . . collect terms
4x = 120 . . . . . . . . . . . . . . . . . subtract 60
x = 30 . . . . . . . . . . . . . . . . . divide by 4

a) The value of x is 30.
8 0
3 years ago
Read 2 more answers
2x + y = -7 <br> 5x - y = 0 show work plz!
Zanzabum
First solve for one variable
(I chose bottom equation because it’s easier)
Get y alone: Y = 5x
Now that we have y we can plug y into the top equation
Plug in 5x for y: 2x + 5x = 7
Solve for x: 7x = 7
X = 1

Now plug in the x value into the bottom equation to solve for y
Y = 5(1)
Y= 5


So, x = 1 and y = 5

3 0
3 years ago
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