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ioda
2 years ago
12

Find the difference between the product of 2.5 and 7.5 and the sum of2.75 and 9.55​

Mathematics
1 answer:
Brums [2.3K]2 years ago
8 0

Answer:

6.45

Step-by-step explanation:

The answer=2.5*7.5-(2.75+9.55)=18.75-(12.3)=6.45

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If a cylinder has a volume of 1884 cubic centimeters and a height of six cm, explain how to find the radius of the
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Answer:

10 cm

Step-by-step explanation:

The volume of the cylinder is 1884 cubic centimetres and its height is 6 cm.

The volume of a cylinder is given as:

V = \pi r^2 h

where r = radius

h = height

To find the radius of the base of the cylinder, we make r the subject of the formula and solve it:

V = \pi r^2 h

Divide both sides by πh:

\frac{V}{\pi h}  = \frac{\pi r^2h}{\pi h} \\\\=> \frac{V}{\pi h} = r^2

Find the square root of both sides:

\sqrt{\frac{V}{\pi h}}  = \sqrt{r^2} \\\\=> r = \sqrt{\frac{V}{\pi h}}

Let us find the value of r:

r = \sqrt{\frac{1884}{\pi * 6}}\\\\r = \sqrt{99.9493} \\

=> r = 9.9975 cm ≅ 10 cm

3 0
2 years ago
Square root of 161 need answer asap ik this has nothing to do with math but being single is pain
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Answer:

12.6885775404

Step-by-step explanation:

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3 years ago
Martha and sally had lunch together on tuesday .sally paid $2 more than martha the totall bill was $5.64 how much did sally spen
ipn [44]
Sally paid $3.82 while Martha paid $1.82 (which makes a total of $5.64 and shows that Sally paid $2 more than Martha)
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3 years ago
Which expression is equivalent to 100 + 20
san4es73 [151]

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20(5+1) is equivalent to 100 + 20

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2 years ago
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