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Nina [5.8K]
3 years ago
5

Solve for y 5y-x=10 Is it 2?

Mathematics
1 answer:
svet-max [94.6K]3 years ago
5 0
5y-x=10
Isolate the variable
add x to both sides
5y-x+x=10+x
5y=10+x
Divide both sides by 5
5y/5=10+x/5
y=2+1/5x 
So y is equal to 2+1/5x
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Solve for −4.2y+2.1>−2.52
Alchen [17]

Answer:

y < 1.1

Step-by-step explanation:

<u>Step 1:  Subtract 2.1 from both sides </u>

-4.2y + 2.1 - 2.1 > -2.52 - 2.1

<em>-4.2y > -4.62</em>

<em />

<u>Step 2:  Divide both sides by -4.2</u>

-4.2y / -4.2 > -4.62 / -4.2

<u><em>Since you divided by a negative, that flips the sign.</em></u>

<em>y < 1.1 </em>

Answer:  y < 1.1

4 0
3 years ago
There are 30 total apples of red and 6 total apples of yellow what is the percentage of yellow apples of
Bas_tet [7]

Answer:

20%

Step-by-step explanation:

30:6=5

yellow apples - 1/5 of 30

20x5=100

20%/30=6

8 0
3 years ago
Radius=12 round up to the nearest tenth
8090 [49]

Answer:

12.0

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
"Solve the system using the elimination method. Show work."
Dafna1 [17]
Solution in an attachment.

x = -4; y = -2; z = 4

6 0
3 years ago
The table below shows some inputs and outputs of the invertible function f etc ​
Snowcat [4.5K]

Answer:

(a)\ f^{-1}(-15) = -6

(b)\ f^{-1}(4) + f(9)=0

Step-by-step explanation:

Given

The attached table

(a)\ f^{-1}(-15)

This represents an inverse function.

So, we look into x row for its value.

i.e.

f^{-1}(-15) = -6

(b)\ f^{-1}(4) + f(9)

Just like (a)

f^{-1}(4) = -11 ---- by looking into the x rows

f(9) = 11

So:

f^{-1}(4) + f(9)=-11 + 11

f^{-1}(4) + f(9)=0

4 0
3 years ago
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