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Trava [24]
2 years ago
7

PLEASEEEE HELLP ON A TIMER 15 MINS LEFT

Mathematics
1 answer:
emmainna [20.7K]2 years ago
8 0

Answer: D.

Step-by-step explanation: you find the ratio of the other lengths, then apply that ratio to the length of DC. Pls mark as brainliest?

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Graph h(x) = 2/3x + 4
Travka [436]

Answer:

Step-by-step explanation:

6 0
2 years ago
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Help me please the numbers I am using is 1,2,2,3,4,5,6,7,8,9
solong [7]

Answer:

2, 4.5 and 8

Step-by-step explanation:

(1)

The mode is the number which occurs most often , then

mode = 2

(2)

The median is the middle value of the numbers arranged in ascending order. If there is no exact middle value then it is the average of the numbers either side of the middle.

1,  2,  2,  3,  4,  5,  6,  7,  8,  9

                     ↑ middle

median = \frac{4+5}{2} = \frac{9}{2} = 4.5

(3)

The range is the difference between the largest and smallest values

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5 0
3 years ago
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What is the total surface area of this square pyramid?
slamgirl [31]

Answer:

The total surface area of this square pyramid is 297\ mm^{2}

Step-by-step explanation:

we know that

The surface area of a square pyramid is equal to

SA=b^{2} +4[\frac{1}{2}(b)(h)]

we have

b=9\ mm ----> the length side of the square base

h=12\ mm ----> the height of the triangular faces

substitute the values

SA=9^{2} +4[\frac{1}{2}(9)(12)]=297\ mm^{2}

4 0
3 years ago
It costs $5 to become a member of a video game club. After that, video games 10 each with a 7% tax on each game. If you spent $6
Alinara [238K]

Answer:

6 games

Step-by-step explanation:

Each game is 10.70 x 6 = 64.20+5=no change

5 0
2 years ago
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I need help with finding interior/exterior angles. solve for “?”
Ivenika [448]

Answer:

3. 160

4. 105

5. 95

6. 30

7. 86

8. 130

All triangles equal 180 so when you add the other 2 degrees in the triangle then subtract that by 180 then you get the third angle. The a straight line also equals 180 degrees so when you get the third angle subtract it by 180 then you get the answer to the "?"

That's how I was taught so, hope I got it all right! : )

8 0
3 years ago
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