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2 years ago

Find the length of the unknown leg of the right triangle.

Mathematics

1 answer:

Ainat [17]2 years ago

5 0

Answer:

Step-by-step explanation:

a² + b² = c²

side1² + side2² = hypotenuse² side 1 = 6.75 hypotenuse = 11.25

solve for side 2 = ???

side2² = hypotenuse² - side1²

side2 = $\sqrt{hypotenuse^2 - side1^2}$

= √(11.25² - 6.75²)

= √(126.56 - 45.56)

= √(81)

side 2 = 9

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Valerie, a member of the track team, runs 100 yards in 12 seconds. How fast is she moving in feet per minute?

Alchen [17]

Answer:

1500ft

Step-by-step explanation:

Ight so 60/12 is 5. So then you'd multiply 100 by 5 to get 500, therefore she is moving 500 yards per minute.

Then you'd obviously just convert that to feet which is 1500 feet.

8 0

2 years ago

Let f(x) =-2x-7 and g(x)=-4x+3 find (f•g)(-5)

Ierofanga [76]

F(-5) x g(-5)

f(-5) = -2(-5) - 7
f(-5) = 10 - 7
f(-5) = 3

g(-5) = -4(-5) + 3
g(-5) = 20 + 3
g(-5) = 23

f(-5) x g(-5) = 3 x 23 = 69

Your answer is 69

4 0

2 years ago

Hi can you help me please?)

AlladinOne [14]

<em>*To solve for a specified variable, you need to isolate that variable onto one side.</em>

Firstly, subtract 5r on both sides: $2p=q-5r$

Lastly, divide both sides by 2 and <u>your answer will be $p=\frac{1}{2}q-\frac{5}{2}r$ </u>

First, subtract z on both sides of the equation: $-10-z=xy$

Next, divide both sides by y and <u>your answer will be $\frac{-10-z}{y}=x$ </u>

Firstly, multiply both sides by b: $a=cb$

Next, divide both sides by c and <u>your answer will be $\frac{a}{c}=b$ </u>

5 0

2 years ago

Which angle number represents <EHK

kotegsom [21]

Angle #8 represents angle EHK

4 0

3 years ago

MATH.... TRIANGLE JKL HAS VERTICES...

7nadin3 [17]

<h3>Answer: Choice (d)</h3>

Explanation:

To reflect over the y axis, we apply this rule

$(x,y) \to (-x,y)$

which says to flip the sign of the x term but keep the y coordinate the same.

So that means something like J(-2,5) becomes J ' (2, 5). The other points are handled in the same fashion and that leads us to choice (d). Points on the y axis will stay where they are.

6 0

2 years ago