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o-na [289]
3 years ago
5

What is y+2=⅞(x-3) in standard form?

Mathematics
2 answers:
Veseljchak [2.6K]3 years ago
8 0

Answer:

7x - 8y = 37

Explanation:

y+2 = ⅞(x-3) (distribute ⅞ -- x times 7/8, -3 times 7/8)

y+2 = ⅞x - 21/8 (subtract ⅞x from both sides)

y+2-⅞x = -21/8 (subtract 2 from both sides)

y-⅞x = -37/8 <--- result of -21/8 - 2

Multiply both sides by 8 to get ride of fractions

8y - 7x = -37 (rearrange)

-7x + 8y = -37

It's better to have a positive coefficient for x if you can.  So multiply both sides by -1.  That just means changing the sign of every term on both sides, you get

7x - 8y = 37

Tresset [83]3 years ago
3 0
The correct answer is 7x-8y=37
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Y=20(0.5)^x for x=3
Lunna [17]

Answer:

2.5

Step-by-step explanation:

y=20(0.5)^3\\

y=20(0.125)

y=2.5

Hope this helped! :)

5 0
3 years ago
7+42x3^2-3a=14x3^-2a+7
IgorC [24]

the answer is C a=3 for this equation

7 0
3 years ago
Using angle measures in triangles
julsineya [31]

Answer:x = 45

Step-by-step explanation:

The sum of the angles in a triangle is 180 degrees. The angles in the given triangle are

Angle p is 25

angle r is 20

angle q is 3x

Therefore,

Angle p + angle r + angle q = 180

25 + 20 + 3x = 180

45 + 3x = 180

Subtracting 45 from the left hand side and the right hand side of the equation, it becomes

45 - 45 + 3x = 180 - 45

3x = 135

Dividing the left hand side and the right hand side of the equation by 3, it becomes

3x/3 = 135/3

x = 45

3 0
4 years ago
The product of three and a number decreased by ten is thirteen
monitta

Answer:

3x - 10 = 13 would be the verbal expression where x = a number

Hope this helps!

5 0
3 years ago
99.999 rounded to the nearest tenth would be?
ale4655 [162]

Answer:

Look at the place after the tenths, it is more than 5.

99.999

So add +1 to the tenths place.

Rounded to the nearest tenth would be:

<h2>100.0</h2>
4 0
4 years ago
Read 2 more answers
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