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3 years ago

Which set of ordered pairs represents y as a function of x2

Mathematics

1 answer:

Korolek [52]3 years ago

6 0

Answer:

(1, 2), (2, -3), (3, 4), (4, -5)

Step-by-step explanation:

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A disco ball is shaped like a sphere with a diameter of 16 inches to the nearest square inch what is the surface area of the dis

stepladder [879]

The surface area of a sphere:
A = 4 pi r^2
where pi = 3.1416
r is the radius

since diameter is given
r = d / 2
r = 16 / 2
r = 8

A = 4 pi (8^2)
A = 804 sq in is the surface area of the disco ball

5 0

4 years ago

Read 2 more answers

The side lengths of a rectangle are all multiplied by 5. What happens to its perimeter?

stiv31 [10]

Answer:

The perimeter is multiplied by 5.

Step-by-step explanation:

Perimeter of a rectangle:

The perimeter of a rectangle with sides l and w is given by:

$P = 2(l + w)$

The side lengths of a rectangle are all multiplied by 5.

This means that $l = 5l, w = 5w$ . So

$P_M = 2(5l + 5w) = 2*5(l+w) = 10(l + w)$

What happens to its perimeter?

The rate is:

$\frac{P_M}{P} = \frac{10(l+w)}{2(l+w)} = 5$

The perimeter is multiplied by 5.

8 0

3 years ago

Interstate 90 is the longest highway in the United States, connecting the cities of Seattle, Washington and Boston,Massachusetts

pshichka [43]

I would just turn the meters into miles instead of into km then miles 1 meter = 0.00062137 miles

Hope this worked! Good Luck!

6 0

3 years ago

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Addison painted her room. She had 50 square meters to paint, and she painted at a constant rate. After 2hours of painting, she h

blagie [28]

Answer:

Y = 50 - 7.5X if 35 m² Area left to paint after 2 hrs out of total 50m²

Step-by-step explanation:

5 0

3 years ago

Drag each expression to show whether it is equivalent to

Kazeer [188]

Answer:

We need to find which expressions are equivalent to $6(c+6)$ , $6c+6$ or neither.

$6c+12$ : We extract the greatest common factor which is 6. Remember, when we extract a GCM, we divide each term by it.

$6c+12=+(c+2)$

Therefore, this expression is equivalent to neither of the given expressions.

$2(3c+3)$ : We just need to apply the distributive property.

$2(3c+3)=6c+6$

Therefore, this expression is equivalen to $6c+6$ .

We use the same process to the other expressions.

$(6c)+(6\times 6)=6c+36=6(c+6)$

$3c+6+3c=6c+6$

$6c+36=6(c+6)$

$(6+c)+(6+6)=c+18$ , equivalent to neither.

7 0

3 years ago