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2 years ago

30 points and mark brainlest

Mathematics

2 answers:

statuscvo [17]2 years ago

7 0

Answer:

I’m just adding so you can mark brainliest

Step-by-step explanation:

pashok25 [27]2 years ago

4 0

The dimensions of the enlarged rectangular picture is 15 x 10 inches.

<h3>What are the dimensions of the enlarged rectangular picture ?</h3>

When the dimensions of the enlarged rectangular picture is enlarged by a scale factor of 5, it means that the dimensions would be five times larger what they were initially.

New dimensions : (3 x 5) x (2 x 5)

15 x 10 inches

To learn more about enlarged scale factor, please check: brainly.com/question/3457976

#SPJ1

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Melissa working alone could clean one third of the area in one hour how much of the area could she clean in half of an hour.

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Melissa could clean one sixth of the area in half and hour because you divide by 2 since 60 divided by 2 is 30 and she has half as much time

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3 years ago

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3 years ago

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|3x|=9, solve absolute value equation

Mashutka [201]

|3x|=9

3x=9 -3x=9
X=9/3 x=9/-3
x=3 x=-3

Whenever you have an absolute value sign you have to find both the positive and the negative because they didnt signs into the equation but sometimes a question will ask for strictly the positive value or the negative value but if its not stated, find both.

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4 years ago

A flagpole is located at the edge of a sheer y = 70-ft cliff at the bank of a river of width x = 40 ft. See the figure below. An

Gnom [1K]

I would solve this using tangents. Let h be height of flagpole.
Set up 2 right triangles, each with a base of 40.
The larger triangle has height of "h+70"
Smaller triangle has height of 70.

Now write the tangent ratios:
$tan A = \frac{h+70}{40} , tan B = \frac{70}{40}$

Note: A-B = 9
To solve for h we need to use the "Difference Angle" formula for Tangent
$tan (A-B) = \frac{tanA - tanB}{1+tan A tan B}$
Plug in what we know:
$tan(9) = \frac{ \frac{h+70}{40} - \frac{70}{40}}{1+ (\frac{h+70}{40})(\frac{7}{4})}$
$tan (9) = \frac{ \frac{h}{40}}{ \frac{7h +650}{160}} = \frac{4h}{7h+650}$
$h = \frac{650 tan(9)}{4-7 tan(9)}$
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3 years ago

The product of two numbers is 48, and one of the numbers is 12. Find the other number.

Anuta_ua [19.1K]

Two numbers, one being 12, are multiplied to equal 48.

Therefore, the answer is B) 12x = 48

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3 years ago

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