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notsponge [240]
3 years ago
13

AMC 10/12 Student Practice Questions

Mathematics
1 answer:
a_sh-v [17]3 years ago
3 0

Answer:

\mathrm{C.\:}25

Step-by-step explanation:

Notice how each congruent square is divided into four equal parts. Since each square has four parts and there are four squares, there are 16 of these parts in total. Because each of these parts make up \frac{1}{4} of each square, all parts are equal. Therefore, you can count the total number of shaded parts to get your percentage.

The top left and bottom right both have one part shaded each for a total of 2 parts.

The top right and bottom left have 0.5 and 1.5 parts shaded, respectively, for a total of 2 parts.

Therefore, in total, there are 2+2=4 parts shaded out of 16 total parts.

Thus, the percentage of the total area that is shaded is:

\frac{4}{16}=\frac{1}{4}=\fbox{$25\%$}.

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Plot two points that are 777 units from Point \blueD{D}Dstart color #11accd, D, end color #11accd and also share the same xxx-co
Karolina [17]

Right format of question:

Plot two points that are 7 units from Point D and also share the same x-coordinate as Point D.

Answer:

D' = (-4,-6) and D' = (-4,8)

Step-by-step explanation:

Given

D(x,y) = (-4,1)

Required

Determine a point 7 points from D and in the same x coordinate

Represent this point with D'.

From the requirement of the question, D' has two possible values and these values are:

D' = D(x,y-7) ----> 7 units down and

D' = D(x,y+7) ----> 7 units up

Substitute values for x and y in D' = D(x,y-7) and D' = D(x,y+7)

So, we have:

D' = D(x,y-7)

D' = (-4,1 - 7)

D' = (-4,-6)

D' = D(x,y+7)

D' = (-4,1+7)

D' = (-4,8)

3 0
3 years ago
What is the solution of the equation √2x-3-3=6?<br><br><br> A) 42 <br> B) 39<br> C) 3<br> D) 6
Firlakuza [10]

Answer:

42

Step-by-step explanation:

√2x-3-3=6

√2x-3=6+3

√2x-3=9

2x-3=9^2

2x=81+3

X=84/2

X=42

So value of X is 42

4 0
3 years ago
Brainly the polynomial x 3 + 5x 2 - ­57x -­ 4189 expresses the volume, in cubic inches, of a shipping box, and the width is (x+3
Simora [160]
Height would be 21 inches, depth would be 5. 
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3 years ago
What is the opposite of -4? *
alexandr402 [8]

Answer:

4

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What is the scale factor of the dilation?​
shutvik [7]

Answer:

It would be 2

Step-by-step explanation:

A (0, 3) *2= A' (0,6)

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C (3,2)*2=C' (6,4)

D (1,2)*2=D' (2,4)

6 0
3 years ago
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