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frutty [35]
4 years ago
8

Need help? Have an 30 minutes left on the quiz

Mathematics
1 answer:
Maurinko [17]4 years ago
6 0

Answer:

5

Step-by-step explanation:

By the pythagorean theorem, x^2 = 13^2-12^2. 13^2-12^2 = 25, and the square root of 25 is 5

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yulyashka [42]

Answer:

B, I solved then used interval notion to convert it.

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2 years ago
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The coordinates of three vertices of a square are (4, 14), (10, 14), and (4.8).
lorasvet [3.4K]

Answer:10,8

Step-by-step explanation:

Because

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3 years ago
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If a car’s speed is 70 miles per hour on a road surface with a drag factor of 0.50 and with a breaking efficiency of 85% (n = .8
hichkok12 [17]

Answer:

About 384.3 feet

Step-by-step explanation:

The formula for that is given by,

S= \sqrt{30 \times d \times f \times n}

Where,

S is the speed of the car

d is the distance of skid

f is the drag factor for the road surface

n is breaking efficiency as percentage

Putting the values we get,

S^2=  30 \times d \times f \times n

d= \frac{S^2}{30 \times f \times n}

d = \frac{70^2}{30 \times 0.50 \times 0.85} = 384.3 feet

So the length of skid marks would be 384.3 feet.

8 0
3 years ago
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Mrrafil [7]
A and D have a lower rate than 1/3.
4 0
3 years ago
Draw a line representing the "run" and a line representing the "rise" of the line. State the slope of the line in simplest form.
Shtirlitz [24]

Answer:

\boxed{\dfrac{9}{13}}

Step-by-step explanation:

\text{slope} = \dfrac{\text{rise}}{\text{run}}

rise = y₂ - y₁ = -1 - (-10) = -1 + 10 =   9

run = x₂ - x₁ =   9 - (-4)   =   9 +   4 = 13

\text{slope} = \mathbf{\dfrac{9}{13}}\\\\\text{The slope of the line is $\boxed{\mathbf{\dfrac{9}{13}}}$}

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