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Greeley [361]
3 years ago
5

Only brilliant can solve

Mathematics
1 answer:
yawa3891 [41]3 years ago
5 0
Volume of the cone = 1/3 pi * 3^2 * 4 =  12pi
Volume of the hemisphere = 4/3 pi 3^3 * 1/2 =  18pi
So the volume of the toy =  12pi + 18pi = 30pi = 94.25 cm^3 to nearest hundredth Answer

Surface area of hemisphere = 1/2 * 4 pi 3^2 =  18pi
Lateral Surface area of the cone =  pi r l where l = slant height of the cone
Now l=  sqrt ( 4^2 + 3^2)  = sqrt25 = 5
So lateral S A = 3 * 5 * pi = 15pi

Surface area of the toy = 18pi + 15pi = 33pi = 103.67 cm^2 ( nearest hundredth)   Answer
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IrinaK [193]

Answer:

11 ( 11g + 7 )

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Please help me I don't understand this at all and I can't get it. I spent 4 hours on these equations
DerKrebs [107]

Answer:

Hi. so I don't have the answers but usually if you find the name of the website your homework is from (if should be at the bottom of the page) online you can also find the answers for it. Just letting you know for this homework and future references.

Step-by-step explanation:

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3 years ago
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Answer:

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Step-by-step explanation:

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4 years ago
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The ground temperature at sea level is 60 degrees F. For every 100-foot increase in elevation, the temperature rises 1/10 of one
N76 [4]
<h3>Answer: B. 62 degrees fahrenheit</h3>

====================================================

Explanation:

x = elevation in feet

y = temperature in fahrenheit

The temperature goes up 1/10 = 0.1 degrees for every 100-foot increase of elevation. So the slope is 0.1/100 = 0.001, which tells us how fast the temperature is increasing. In other words, the temperature goes up 0.001 degrees each time the elevation goes up by 1 foot.

The ground temperature is 60 degrees, which is our starting temperature. It's the value of y when x = 0. Therefore, 60 is the y intercept.

We have a slope of m = 0.001 and a y intercept of b = 60. The equation y = mx+b becomes y = 0.1x+60

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7 0
3 years ago
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The graph shows the relationship between the number of pounds of
Damm [24]

Given:

The graph shows the relationship between the number of pounds of  apples purchased and the total cost of the apples.

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The cost of 1 pound of apples.

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We need to find the slope of the line to get the cost of 1 pound of apples.

From the given graph it is clear that the line passes through two points (0,0) and (2,3). So, the slope of the line is

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m=\dfrac{3}{2}

m=1.5

Therefore, the cost of 1 pound of apples is $1.5.

3 0
3 years ago
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