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Debora [2.8K]
4 years ago
14

What multiplies to 4 and adds time 7

Mathematics
1 answer:
andrew-mc [135]4 years ago
3 0
Its 2 because 2 x 2= 4 
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What is the volume of a hemisphere with a radius of 2.1 m, rounded to the nearest tenth of a cubic meter?
Art [367]

Answer:

The volume of hemisphere is <u>19.4 cubic meter</u>.

Step-by-step explanation:

Given:

A hemisphere is with a radius of 2.1 m.

Now, to find the hemisphere volume with radius 2.1 m.

Radius\ (r) = 2.1 m.

So, we put formula to get the volume of hemisphere:

Volume=\frac{2}{3} \pi r^3\ \ \ \ \ (Taking\ the\ value\ of\ \pi =3.14)\\\\Volume=\frac{2}{3} \times 3.14\times 2.1^3\\\\Volume=\frac{2}{3} \times 3.14\times 9.26\\\\Volume=19.384\ cubic\ meter.

<u><em>Hence, the rounded to the nearest tenth of a cubic meter is 19.4 cubic meter.</em></u>

Therefore, the volume of hemisphere is 19.4 cubic meter.

3 0
3 years ago
The length of a rectangle is 2 cm more than the width. The perimeter is 20 cm. Find the length and width
Firdavs [7]

Answer:

length = 7

width = 3

Step-by-step explanation:

the rectangle has four sides. All the sides added together give the 20 cm perimeter .

first find out the the approximate measurement of one side .

20÷4 = 5 cm

now you need to do addition and subtraction.

the width is 2cm less than the length

therefore the width = 5 - 2= 3cm

the length is 2cm more

therefore the length = 5 + 2 = 7 cm

7cm+7cm + (3cm ×2 ) = 20 cm .

6 0
3 years ago
Please help me with this two questions:)
Andrew [12]
The first one is 50 the second one is 1,500
6 0
3 years ago
Read 2 more answers
HELP PLEASEEEEEEEEEEEEEEEEEEEEEEEEE
Ronch [10]

Answer:

No solution

Step-by-step explanation:

Given

|x| = -1

Required

The solution

The above equation has no solution.

This is because |x| \ge 0

In otherwords, the absolute value of a number is always positive.

4 0
3 years ago
K(x)= -3/4 , what is x ?
WITCHER [35]
The correct Answer is
X=-3/4k
6 0
3 years ago
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