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2 years ago

10

PLEASE HELPS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

1 answer:

saul85 [17]2 years ago

8 0

For the bottom part use PEMDAS

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How many significant figures are in the number 0.0905?

algol [13]

Answer:

Number of Significant Figures: 3

The Significant Figures are 9 0 5

Step-by-step explanation:

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3 years ago

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3 years ago

Circumference of the circle as 15 pi inches find the diameter

avanturin [10]

The formula for the circumference of the circle is 2πr or πd with r being the radius and d being the diameter. These 2 gives the same result because d=2r

Now because we know that the circumference is 15pi, we just need to reverse to find the diameter.

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We can divide π from both sides.

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4 0

2 years ago

What is the answer to number 15 p.s. show how u got this ANSWER PLEASE

Anuta_ua [19.1K]

Answer:

The volume of the rectangular prism is $V=442.341\ cm^{3}$

The surface area of the rectangular prism is $SA=384.62\ cm^{2}$

Step-by-step explanation:

we know that

The volume of the rectangular prism is equal to

$V=LWH$

substitute the values

$V=(12.7)(8.1)(4.3)=442.341\ cm^{3}$

The surface area of the rectangular prism is equal to the area of its six faces

so

$SA=2(8.1)(4.3)+2(12.7)(8.1)+2(12.7)(4.3)=384.62\ cm^{2}$

7 0

3 years ago

Question 2 (3 points) Saving...

arsen [322]

Answer:

Option C) 144 centimeters squared.

Step-by-step explanation:

The picture of the question in the attached figure

we know that

The surface area of a prism is equal to

$SA=2B+PL$

where

B is the area of the base of the prism

P is the perimeter of the base

L is the length or height of the prism

<em>Find the area of the base B</em>

$B=\frac{1}{2}(3)(4)=6\ cm^2$ ---> the base is a right triangle

<em>Find the perimeter of the base P</em>

$P=3+4+5=12\ cm$ ---> is the perimeter of a triangle

we have

$L=11\ cm$

Find the surface area SA

$SA=2(6)+12(11)=144\ cm^2$

3 0

3 years ago