2 years ago

Tell whether the pairing is a function.

Mathematics

1 answer:

erik [133]2 years ago

5 0

Answer:

I believe that it is function

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8x = 2y + 5 3x = y + 7 Solve the system of equations by substitution.

jasenka [17]

3x = y + 7
 y =3x-7

8x = 2y + 5
8x = 2(3x-7) + 5
8x=6x-14+5
8x-6x=-9
2x=-9
x=-4.5

8x = 2y + 5
8(4.5)=2y+5
36=2y+5
2y=31
y=15.5

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3 years ago

Which is it giving brainliest

LekaFEV [45]

Answer:

It's actually all of them

Step-by-step explanation:

Make sure you choose all of the above

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2 years ago

Suppose that hot dogs come in packs of 9 and buns come in packs of 7. Jim bought the same number of hot dogs as buns. It was the

Ilia_Sergeevich [38]

List the multiples of each qty:

7, 14, 21, 28,35,42,49,56,63

9, 18, 27, 36, 45, 54, 63

The least common multiple is 63

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2 years ago

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12. Find the radius of a circle with a circumference of 457 centimeters.

irga5000 [103]

Step-by-step explanation:

$Circumference=d\pi\\Circumference=2r\pi$

Since we need to find the radius, then we will rearrange the second formula.

$Radius=\frac{C}{2\pi }$

$Radius=\frac{457}{2\pi }$

$Radius=\frac{457}{6.28}$

$Radius= 72.8 (rounded)$

So, the radius of a circle that has a circumference of 457 is about 72.8 cm

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3 years ago

What shape do you get when the angles of each sides are 80,100,100,80 in that order

DanielleElmas [232]

I believe that would be a rhombus

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