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Ulleksa [173]
3 years ago
8

I give brainly, Use multiplication to solve the proportion 1. a/40 = 3/10 2. 6/11 = c/77

Mathematics
1 answer:
stealth61 [152]3 years ago
8 0

Answer:

a/40=3/10 means you should multiply each side by 40 Divide the denominators by 11 first, then multiply by 7. c/77 = 6/11. => c/7 = 6. => c = 42.

Step-by-step explanation:

Im rlly srry if this isn't helpful, this isn't rlly my strong suit in math

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Leno4ka [110]
The answer would be 3, 2-2+3, I’m pretty sure.
5 0
3 years ago
Is this triangle a right triangle? yes or no?
svlad2 [7]

Answer:

Yes.

Step-by-step explanation:

You can use the Pythagorean theorem to figure this out.

5²+12²=13²

25+144=169

169=169

You can also look at the bottom left corner, which is a right angle. All triangles containing right angles are right triangles.

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Note:

If you're a Connexus student, please join my class on Quizlet using this link: https: // quizlet. com / join / 6nmuZyd2M (copy-paste into search, then take out ALL spaces)

8 0
3 years ago
Derek wants to determine the height of the top of the backboard on the basketball goal at the playground. He places a standard 1
s344n2d4d5 [400]

Answer:

10.2 feet.

Step-by-step explanation:

We have been given that Derek places  a standard 12-inch ruler next to the goal post and measures the shadow of the ruler and the backboard. If the ruler has a shadow of 10 inches. We are asked t find the height of the backboard, if the backboard has a shadow of 8.5 feet.

We will use proportions to solve our given problem as ratio between sides ruler will be equal to ratio of sides of background.

\frac{\text{Actual height of ruler}}{\text{Shadow of ruler}}=\frac{\text{Actual height of backboard}}{\text{Shadow of backboard}}

\frac{12}{10}=\frac{\text{Actual height of backboard}}{8.5}

\frac{12}{10}*8.5=\frac{\text{Actual height of backboard}}{8.5}*8.5

1.2*8.5=\text{Actual height of backboard}

10.2=\text{Actual height of backboard}

Therefore, the actual height of the back-board is 10.2 feet.

4 0
4 years ago
Pls answer this! I need to pass!
KengaRu [80]

Answer:

b

Step-by-step explanation:

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3 years ago
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Marina86 [1]

Step-by-step explanation:

Hello! I have given you the answer key to your whole entire unit, so what you do is scroll to find the answer you need out of it. But if it isn't on the front like it should be, scroll you'll find it.

Download pdf
8 0
3 years ago
Read 2 more answers
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