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3 years ago

50 Points!

1 answer:

7 0

Three different dimensions To answer your question are:
200 pixels by 48 pixels
300 pixels by 72 pixels
400 pixels by 96 pixels

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Why is rounding important?

Alik [6]

Answer:

Step-by-step explanation:

Rounding can make a long number that might be confusing short and easy to understand. D sounds like the right answer but actually rounding isn't the most accurate. Using a fraction is.

7 0

3 years ago

Please help I do not get

katen-ka-za [31]

Answer:

(a) 51%

(b) 41%

Step-by-step explanation:

We can simplify this problem down by realizing that the amount of girls over 200 will get us our percentage as a decimal.

Looking at this table, we can see that $30+72=102$ girls were asked. So, $102\div200=0.51$ , and $0.51\cdot100=51$ .

We can also see that $30+52=82$ people preferred video games, so $82\div200=0.41$ , and $0.41\cdot100=41$ .

Hope this helped!

8 0

3 years ago

Read 2 more answers

Prove that DJKL~ DJMN using SAS Similarity Theorem. Plot the points J (1,1), K(2,3), L(4,1) and J (1,1), M(3,5), N(7,1). Draw DJ

dolphi86 [110]

Answer and Step-by-step explanation: The triangles are plotted and shown in the attachment.

SAS Similarity Theorem is by definition: if two sides in one triangle are proportional to two sides of another triangle and the angles formed by those sides in each triangle is congruent, the triangles are similar.

For the triangles on the grid, we know that ΔJKL and ΔJMN have a congruent angle in J as shown in the image. To prove they are similar, we find the slope of sides KL and MN:

Slope of KL:

slope = $\frac{y_{K} - y_{L} }{x_{K} - x_{L} }$

slope = $\frac{3-1}{2-4}$

slope = -1

Slope of MN:

slope = $\frac{y_{N} - y_{M} }{x_{N} - x_{M} }$

slope = $\frac{1-5}{7-3}$

slope = -1

Since the slopes of KL and MN are the same and the angle is congruent, we can conclude that ΔJKL~ΔJMN.

5 0

2 years ago

The gas tank in the car holds 20 gallons of gasoline. You used up 4 gallons and 1 quart on your trip. How much gasoline is left

erma4kov [3.2K]

There are 4 quarts in a gallon so the amount used can be shown as 4 1/4, or 4.25 so to find out how much gas is left in the tank you simply subtract 4.25 from 20.

20-4.25

=15.75

There is 15.75, or 15 3/4, gallons of gasoline left in the tank.

7 0

3 years ago

Read 2 more answers

What is the surface area of the figure?

garri49 [273]

Answer:

Step-by-step explanation:

I really don't know at all

8 0

3 years ago