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satela [25.4K]
3 years ago
7

Here u go Hanifa :D <----------

Mathematics
1 answer:
olga nikolaevna [1]3 years ago
7 0

Answer:

  • B. 2200 ft²

Step-by-step explanation:

To find the area, calculate two parts and add up

<u>The triangle section has sides:</u>

  • 40 ft and 50 - 30 = 20 ft

<u>The area:</u>

  • 1/2*20*40 = 400 ft²

<u>The rectangle section has sides:</u>

  • 30 ft and 20 + 40 = 60 ft

<u>The area:</u>

  • 30*60 = 1800 ft²

<u>Total area:</u>

  • 400 + 1800 = 2200 ft²

Correct option is B

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three odd consecutive integers are such that 3 times the smallest is 9 more than twice the largest .find the three numbers​
Sever21 [200]

Answer: 17, 19, 21

Step-by-step explanation:

Three consecutive odd numbers: x, x+2, x+4 (since odd numbers occur every other number)

Just to show you that the numbers are x, x+2, and x+4, just say x is 13 then x+2 is 15 and x+4 is 17 (3 consecutive odd numbers)

Now the second equation:

3x = 2(x+4) + 9

three times smallest number (which is x) is equal to 2 times the largest number (x+4) plus 9

Now solve

3x = 2(x+4) +9

3x = 2x + 8 + 9

3x = 2x + 17

x = 17

x+2 = 19

x+3 = 21

3 0
3 years ago
Can someone help on question 2
Kobotan [32]

Step-by-step explanation:

i think option a is the correct answer

5 0
3 years ago
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Cynthia is finding the measures of the labeled angles in this image.
wariber [46]

Answer:

D. She only needs to know the measures of two angles, but one of the angles must be one of the remote interior angles.

Step-by-step explanation:

Because we don't know what kind of triangle we're looking at, and none of the lines are parallel or perpendicular, the other responses wouldn't make sense.

As a result, we'll need two perspectives.

C would not work since we would know that the two angles are supplementary if we knew A or B.

If we start with A, we'll end up with B, which is 180-A, and vice versa.

Both A and B are unnecessary.

4 0
3 years ago
Use the equation 135 x 42 = 5.670 and what you know about fractions, decimals, and place value to explain how to place the decim
ozzi

Answer:

5.670

Step-by-step explanation:

To compute 1.35 x 4.2

First, we need to convert both decimals to fraction

1.35 = 135/100

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Taking the product

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8 0
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Brrunno [24]

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37.5%

Step-by-step explanation:

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3 years ago
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