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Dima020 [189]
2 years ago
7

On a quiz there are four-mulptiple choice questions worth 3 points each and two true/false questions worth 1 point​

Mathematics
1 answer:
Scilla [17]2 years ago
7 0

Answer:

15

Step-by-step explanation:

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What is the sum of (–2.1x + 3.7) and (5 + 4.9x)?
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3 years ago
the length of one leg of a right triangle is 6 feet. the length of the hypotenuse is 2 ft longer than the other leg. Find the le
Minchanka [31]

Answer:

The missing leg is 8 feet and the hypotenuse is 10 feet.

Step-by-step explanation:

Use the Pythagorean theorem which is A²+B²=C².

So we know the first side is 6 so plug that into the equation which would now be 6²+B²=C².

Because the hypotenuse is 2 feet longer than the missing leg we can plug in C=B+2 which would now make it 6²+B²=(B+2)².

Now we solve what we have so far which would now make the equation 36+B²=B²+4B+ 4.

Now we can figure out that 4B=32.

Now isolate the variable, B, by divide both side of 4B=32 by 4.

This gives us B=8.

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5 0
3 years ago
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