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Alina [70]
3 years ago
12

If three pencils cost total of 75cents, how much would six pencils

Mathematics
2 answers:
zavuch27 [327]3 years ago
6 0
A dollar and 50 cents.
muminat3 years ago
4 0
1 dollar 50 cent 1:50 you add 74+75 because you double the amount 9 pencils you have
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Triangle ABC has sides with lengths of 11, 18, and 8 units. Determine whether this triangle is a right triangle.​
Arturiano [62]

Answer:

Not a right triangle.

Step-by-step explanation:

If this triangle is a right triangle, then the Pythagorean theorem would work on it. According to the Pythagorean theorem, a^2+b^2=c^2, so c would always be greater than a or b. In this scenario, the greatest number here is 18, so c = 18. Since a or b don't matter if given both legs, we have the following equation that may or may not be equal: 8^2+11^2=18^2. We know 8 squared is 64, and 11 squared is 121, and 18 squared is 324. This means that 64+121=324 according to the Pythagorean theorem, and since 64 + 121 = 185, and 185 does not equal 324, the Pythagorean theorem does not work and the triangle is not a right triangle.

3 0
2 years ago
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Phoenix [80]
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5 0
3 years ago
Given a right triangle with legs a, b and hypotenuse c, solve for a if b= 20 and c= 29
pantera1 [17]

Answer:

C) 21

Step-by-step explanation:

a² + 20² = 29²       Use Pythagorean Theorem to solve for a

a² + 400 = 841       Solve for the exponents

     - 400 - 400      Subtract 400 from both sides

a² = 441                  Take the square root of both sides

a = 21

8 0
3 years ago
Read 2 more answers
A(n)
Kryger [21]

Answer: It’s a vector

Step-by-step explanation: AP EX approved

3 0
3 years ago
Read 2 more answers
Please help<br> me = lazy
forsale [732]

Answer:

1.)    13\frac{3}{10}\\

2.)11\frac{3}{4}\\

3.)11\\

4.)12\frac{1}{30}

5.)7\frac{11}{15}

6.) 5\frac{4}{5}

Step-by-step explanation:

I did 6 problems for you. You can now do the other 4 problems and see how I did it. You need to have the same denominator and the add the fractions together.

4 0
3 years ago
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