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2 years ago

14

What is the distance from -12 to 88?

2 answers:

nasty-shy [4]2 years ago

7 0

Answer:

100

Step-by-step explanation:

saw5 [17]2 years ago

5 0

Answer: its 100

Step-by-step explanation:

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The circumference of one of the smaller circles is 12pie cm. Find the circumference of the larger circle.. . A. 12pie cm. B. 24p

Temka [501]

There exists a similar question that would lead to the relationship of the given circumference to the unknown value. The radius of the larger circle is 12 cm. The formula for determining the circumference is,
C = 2πr
Substituting the known value,
C = 2π x 12 cm = 24π cm
Thus, the answer is letter B.

4 0

3 years ago

The product of 2 times x and the sum of 9 and 5 times the square of x

Olegator [25]

Answer:

2x * (9 + 5x^2)

Step-by-step explanation:

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2 years ago

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Simplify: (4x2 - 5x + 3)(5x + 5)

lakkis [162]

Answer:

5 (x + 1) (4 x^2 - 5 x + 3)

Step-by-step explanation:

Simplify the following:

(4 x^2 - 5 x + 3) (5 x + 5)

Factor 5 out of 5 x + 5:

Answer: 5 (x + 1) (4 x^2 - 5 x + 3)

8 0

3 years ago

A computer generates 90 integers from 1 to 5 at random. The results are recorded in the table.

Elena-2011 [213]

Answer:

40%

Step-by-step explanation:

36/90 integers are 1, so the experimental probability is ...

p(1) = 36/90 = 0.40 = 40%

7 0

3 years ago

A 15ftX20ft room has a 6ft diameter circular rug in it. How much of the flood is not covered by the rug?

Luda [366]

Answer:

There are 271.74 ft^2 not covered by the rug

The percentage not covered by the rug is 90.58%

Step-by-step explanation:

step 1

Find out the area of the room

The area of the rectangular room is

$A=(15)(20)=300\ ft^2$

step 2

Find out the area of the circular rug

The area of the circle is

$A=\pi r^{2}$

we have

$\pi =3.14$

$r=6/2=3\ ft$ ----> the radius is half the diameter

substitute

$A=(3.14)(3)^{2}$

$A=28.26\ ft^{2}$

step 3

Find out what percentage of the room is not covered by the rug

we know that

300 ft^2 represent the 100%

so

using proportion

Find out what percentage represent the difference (300-28.26)=271.74 ft^2

Let

x ----> the percentage not covered by the rug

$\frac{300}{100\%}=\frac{271.74}{x}\\\\x=100(271.74)/300\\\\x=90.58\%$

Convert to fraction form

$90.58\%=\frac{90.58}{100}$

Simplify

$\frac{4,529}{5,000}$

therefore

There are 271.74 ft^2 not covered by the rug

The percentage not covered by the rug is 90.58%

4 0

2 years ago