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3 years ago

PLS HELP ILL MARK U BRAINLIEST I DID THE FIRST 1 I NEED HELP WITH THE SECOND <3

Mathematics

1 answer:

Oliga [24]3 years ago

3 0

Answer:

7m and 49 m^2

Step-by-step explanation:

i am not sure on the second answer

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PLEASE ANSWER ASAP! THANK YOU! SUPER EASY! Mrs. Davis is planning to put a circular rug in her living room. The circumference of

netineya [11]

Answer:

Part A) The diameter of the rug is $10\ ft$

Part B) The radius of the rug is $r=5\ ft$

Part C) The area of the rug is $78.5\ ft^{2}$

Step-by-step explanation:

Part A) Find the diameter of the rug

we know that

The circumference of a circle (circular rug) is equal to

$C=\pi D$

where

D is the diameter

we have

$C=31.4\ ft$

$\pi=3.14$

substitute the values and solve for D

$31.4=(3.14)D$

$D=31.4/(3.14)=10\ ft$

Part B) Find the radius of the rug

we know that

The radius of a circle (circular rug) is half the diameter

we have

$D=10\ ft$

$r=D/2$

substitute

$r=10/2=5\ ft$

part C) What is the area the rug is covering?

The area of the circle (circular rug) is equal to

$A=\pi r^{2}$

we have

$r=5\ ft$

$\pi=3.14$

substitute

$A=(3.14)(5)^{2}$

$A=78.5\ ft^{2}$

7 0

3 years ago

How many times larger is 14000 than 140

vampirchik [111]

Answer:

100x

Step-by-step explanation:

140 x 100 = 14,000

5 0

3 years ago

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Which is the best estimate for (8.9 x 10^8)/(3.3 x 10^4) written in scientific notation?

alexira [117]

Answer:

3*10^4

Step-by-step explanation:

8.9/3.3 is about 3. 10^8/10^4 is 10^4.

Thus, the answer is about 3*10^4.

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3 years ago

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Isaac has a piece of rope that 5 yards long. Into how many 1/2 - yard pieces of rope isaac can cut?

Trava [24]

Answer:

Step-by-step explanation:

So there are 5 pieces of rope, if you cut them all in half then that would double the number.

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3 years ago

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What is the answer? #16 . thanks

rjkz [21]

If I got it correctly, the question is what is 24x^2y^6-16x^6y^2+4xy^2 divided by 4xy^2 and the answer is 6xy^4-4x^5+1.

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3 years ago