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3 years ago

Please help me ASAP I’m stuck on these questions

Mathematics

1 answer:

kykrilka [37]3 years ago

7 0

Answer:

4, yes through the middle 5, yes through the middle 6, yes through the middle all of them reflect from the center

Step-by-step explanation:

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Efficiency is the ratio of output work to input work, expressed as a percentage. Light bulbs put out less light energy than the

grandymaker [24]

Answer:

10%

Step-by-step explanation:

Using the given formula with the given data, we have ...

efficiency = output work / input work

= (10 J)/(100 J) = 0.10 = 10%

7 0

3 years ago

What is the surface area of each triangular prism?

SOVA2 [1]

the surface area of the above triangular prism is 156 square inches.

Step-by-step explanation:

multiply the sum of the triangle sides by the height of the prism and add the values together for the answer, remembering to include the correct unit of measurement.

8 0

3 years ago

Given the x intercept of (4,0) and y intercept of (0,-3) graph the points and find the slope of the line

Marina CMI [18]

Answer:

The slope is 3/4 and on a graph it would be 4 over to the right and 3 down.

4 0

3 years ago

High population density can cause increased competition for resources such as food or shelter, while a low population density ca

krek1111 [17]

Answer:

The region with the highest population density is Binky Lee

The region with the lowest population density is Cheslen

Step-by-step explanation:

we know that

The population density is the number of people per unit of area

Find out the population density for each region

Bear Creek

$\frac{462}{112}= 3.70\ people/acre$

Binky Lee

$\frac{12,624}{3,412}= 4.13\ people/acre$

Cheslen

$\frac{3,537}{1,263}= 2.80\ people/acre$

Crow's Nest

$\frac{2,142}{612}= 3.5\ people/acre$

Cheslen < Crow's Nest < Bear Creek < Binky Lee

therefore

The region with the highest population density is Binky Lee

The region with the lowest population density is Cheslen

4 0

4 years ago

Read 2 more answers

Pls help,its for my sister

dimaraw [331]

Everything about number one is because it's a half of circle so its area = 1/2 ¶r^2 and its perimeter = ¶r

7 0

3 years ago