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2 years ago

Instructions: Find the missing length indicated. 400 144 X

Mathematics

1 answer:

Zarrin [17]2 years ago

4 0

The missing side of a right triangle x is 24 units.

<h3>How to find side of a right angle triangle?</h3>

A right triangle has one of its angles as 90 degrees. The side of a right angle triangle can be found using trigonometric ratios.

The side x can be found using similar triangle ratios,

Hence,

x / 400 = 144 / x

cross multiply

x × x = 400 × 144

x² = 57600

square root both sides

√x² = √57600

x = 240

Therefore, the value of x in the right triangle is 240 units.

learn more on right triangle here: brainly.com/question/14324872

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During the first four months of the year, Jack earned $1270, $1150, $870 and $1450 If Jack must have an average salary of at lea

tia_tia [17]

Answer:

1010

Step-by-step explanation:

There are a whole class of questions that rely on the method to this one.

First add up what you know

1270 + 1150 + 870 + 1450 = 4740

Now add on the 5th month (which you don't know. Call it x)

4740 + x

Divide by 5

(4740 + x)/5 = 1150 and that is your equation

Solution

Multiply both sides by 5

5*(4740 + x) / 5 = 1150 * 5

4740 + x = 5750

Subtract 4740 from both sides

4740 - 4740 + x = 5750 - 4740

x = 1010

Which seems kind of low, but that's what the numbers come to.

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3 years ago

an elevator in a skyscraper rises 240 feet in 1/5 minute. What is the elevator's rate in feet per minute?

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Answer:

1200

Steps to answer the problem:

1/5 of a minute goes in to 1 minute 5 times

5 x 240 = 1200

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2 years ago

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Answer:

You could multiply 21*21=441 if its a square

Step-by-step explanation:

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3 years ago

Eight less than a number is seventy-five. What is the number? -67 67 83

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The function g(x) represents f(x)=9 cos (x-pi/2)+3 after translating pi/6 units left and 4 units up. which equation represents g

shtirl [24]

Answer:

g(x)= 9 cos (x - $\frac{\pi}{3}$ ) +7

Step-by-step explanation:

What is given is f(x) = g cos (x - pi/2) + 3

Note that the standard form of cosine function is a cos (bx + c) + d

a= amplitude

-c/b = phase shift

d = vertical shift

After moving pi/6 to the left --

x = pi/2 - pi/6 = pi/3

once moving pi/6 left, it is at pi/3

moving 4 units up just means adding 4 + 3, and that equals 7, that would be the vertical shift once applied.

So the equation that represents g(x) is C. 9 cos (x - pi/3) + 7

6 0

3 years ago