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3 years ago

Please help thank you

Mathematics

2 answers:

Nadya [2.5K]3 years ago

7 0

Answer:

i say its the frst one but I am not sure

harina [27]3 years ago

5 0

Answer: D 5 to the 8th power

Step-by-step explanation: Just trust me brainiest if u get it right

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A water sprinkler sends water out in a circular pattern. How many feet away from the sprinkler can it spread water if the area f

myrzilka [38]

Answer:

The sprinkler can spread water 18 feet away.

Step-by-step explanation:

We are given the following in the question:

Area formed by watering pattern = 1,017.36 square feet

We have to find the how far the sprinkler spread the water.

The sprinkler covers a circular area. We need to find the radius of this circular area to find the how far the sprinkler spread the water.

Area of circle =

$A = \pi r^2$

where r is the radius of the circle.

Putting values, we get,

$1017.36 = 3.14 r^2\\\\r^2 = \dfrac{1017.36}{3.14}\\\\r^2 = 324\\r = \sqrt{324} = 18\text{ feet}$

Thus, the sprinkler can spread water 18 feet away.

6 0

3 years ago

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A bracelet that normally sells for $30.00 is on sale for $25.50. What is the percent discount?

vekshin1

Answer:

15% off

Step-by-step explanation:

We know we paid $25.50 of the original $30. We can divide these two numbers $\frac{25.5}{30}=0.85$ . This is means we paid 85% of the original price. The discount percentage is the remaining percentage from 85 to 100 which is 15. The pants were 15% off.

3 0

3 years ago

(4x - 3) × (x + 2)=0

matrenka [14]

Hi,

AxB = 0 means A=0. or B=0

so 2 solutions :

4x-3= 0

4x=3

x = 3/4

and x+2 = 0.

x= -2

solutions are : -2 +and 3/4

7 0

2 years ago

Read 2 more answers

9 x 7 = ( x 7) – (1 x 7)<br> = 70-<br> =

WARRIOR [948]

Answer:

Step-by-step explanation:

9x7=(10x7)-1x(7)

=70-7

=63

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3 years ago

Given the two expressions shown below: A. square root of 64 plus square root of 5 B. square root of 64 plus square root of 4 Whi

ElenaW [278]

$A.\ \sqrt{64}+\sqrt5=8+\sqrt5\ -\ irrational\\\\B.\ \sqrt{64}+\sqrt4=8+2=10\ -\ rational\\\\\text{Answer:}\ d.\ A\ is\ irrational,\ but\ B\ is\ rational.$

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3 years ago