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alisha [4.7K]
3 years ago
7

Estimate first. Then give the exact product 3x2.5=?​

Mathematics
2 answers:
klasskru [66]3 years ago
4 0
7.5,
3*2.5 = 3*25/10
=75/10
=7.5
julsineya [31]3 years ago
3 0

Answer:

7.5

Step-by-step explanation:

multiply like normal math . then add the decimal point after 1 number

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Determine the radius, to the nearest inch, of a large can of tuna fish that has a volume of 66 cubic
Mnenie [13.5K]

The radius of can is 2.524 inches

<em><u>Solution:</u></em>

Given that large can of tuna fish that has a volume of 66 cubic  inches and a height of 3.3 inches

To find: Radius

Given a large can of tuna fish, we know that can is generally of cylinder shape, we can use the volume of cylinder formula,

<em><u>The volume of cylinder is given as:</u></em>

\text{ volume of cylinder}= \pi r^{2} h$

Where,

"r" is the radius of cylinder

"h" is the height of cylinder

\pi is a constant equal to 3.14

Substituting the given values in above formula,

66 = 3.14 \times r^2 \times 3.3\\\\66 = r^2 \times 10.362\\\\r^2 = \frac{66}{10.362}\\\\r^2 = 6.369\\\\r = 2.524

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4 0
3 years ago
What is 8/15 plus 2/5 equal to
anastassius [24]

We have to add 8/15 to 2/5.

To add two fractions we have to make them have the same denominator, so we have to convert 2/5 to have a denominator of 15. To do this, we have to multiply 2/5 by 3 and then we can add the fractions:

\begin{gathered} \frac{8}{15}+\frac{2}{5} \\ \frac{8}{15}+\frac{2}{5}\cdot\frac{3}{3} \\ \frac{8}{15}+\frac{6}{15} \\ \frac{14}{15} \end{gathered}

Answer: 14/15

5 0
1 year ago
Will give brainliest-H(t)=-16t^2+28t
____ [38]
For this case we have the following equation:
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 When the dolphin finishes a jump, then the height is equal to zero.
 We have then:
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 We look for the roots of the polynomial:
 t1 = 0
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it will take for the dolphin to make one jump about:
 
t = 1.75 s
4 0
3 years ago
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zepelin [54]

Answer:

a.

Step-by-step explanation:

4 0
3 years ago
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