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tamaranim1 [39]
3 years ago
6

Which side lengths form a right triangle 30 POINTS!!

Mathematics
1 answer:
poizon [28]3 years ago
6 0

Answer:

A. 3, 4, 5

Step-by-step explanation:

Option A:

LHS = 3² + 4² = 9 + 16 = 25

RHS = 5² = 25

(3, 4, 5) is a right triangle.

Option B:

LHS = 7² + 8² = 49 + 64 = 113

RHS = 9² = 81

(7, 8, 9) is NOT a right triangle.

Option C:

LHS = 3² + 9² = 9 + 81 = 90

RHS = √95² = 95

(3, 9, √95)  is NOT a right triangle.

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F(x) = 6x + 7; x = -3
jok3333 [9.3K]

Answer:

1+80×70-80+55-6+12065

8 0
3 years ago
Read 2 more answers
Genevieve uses 7.7 pints of blue paint and white paint to paint her bedroom walls. 1 4 of this amount is blue paint, and the res
stellarik [79]

Answer:

She used 5.775 pints of white paint to paint her bedroom walls.

Step-by-step explanation:

This question can be solved using a system of equations.

I am going to say that:

x is the amount of white paint used.

y is the amount of blue paint used.

7.7 pints of blue paint and white paint to paint her bedroom walls.

This means that x + y = 7.7

1/4 of this amount is blue paint, and the rest is white paint.

The rest is 1-(1/4) = 3/4. That is, the amount of white paint is the triple of the amount of blue paint. That is, y = 3x, or x = \frac{y}{3}

Replacing in the first equation:

x + y = 7.7

\frac{y}{3} + y = 7.7

\frac{y + 3y}{3} = 7.7

4y = 3*7.7

y = \frac{3*7.7}{4}

y = 5.775

She used 5.775 pints of white paint to paint her bedroom walls.

8 0
4 years ago
In transaction (C) on 5/10, the Fees Earned account is a(n)
love history [14]

Answer:

<em>(B) Revenue account which increases </em>

Step-by-step explanation:

Hello, my dear friend, I am sure the question you are intending should be corrected as follows:

In transaction (C) on 5/10, the Fees Earned account is a(n) A. Expense account, which increases B. Revenue account, which increases C. Revenue account, which decreases D. Asset account, which decreases

If that is the case, then please note that whatever amount you earn, is an amount that will always increase. If you have no earnings, then nothing decreases nor decreases.


7 0
4 years ago
-2(-3v-5)-5v=12(1+v)-2
Alexandra [31]
<h3>Answer:</h3>

\large\boxed{v=0}

<h3>Step-by-step explanation:</h3>

In this question, we're solving the equation by figuring out what v equals to.

We are solving:

-2(-3v-5)-5v=12(1+v)-2

Solve:

-2(-3v-5)-5v=12(1+v)-2\\\\\text{Distribute the -2 to the -3v and -5}\\\\6v+10-5v=12(1+v)-2\\\\\text{Distribute the 12 to the 1 and v}\\\\6v+10-5v=12+12v-2\\\\v+10=12+12v-2\\\\\text{Subtract both sides by 12v}\\\\-11v+10=12-2\\\\\text{Subtract both sides by 10}\\\\-11v=-10+12-2\\\\-11v=2-2\\\\-11v=0\\\\\text{Divide both sides by -11}\\\\\boxed{v=0}

When you're done solving, you should get v = 0.

This means that v = 0 would be your final answer.

<h3>I hope this helped you out.</h3><h3>Good luck on your academics.</h3><h3>Have a fantastic day!</h3>
8 0
4 years ago
​70% of the workers at Motor Works are​ female, while 68​% of the workers at City Bank are female. If one of these companies is
Kamila [148]

Answer:

69%

Step-by-step explanation:

If Motor Works is selected, the probability that the worker is a female is 70%. If City Bank is selected, the probability is 68%.

But we don't know what company will be selected, we only know that they have the same probability, 50-50.

So, with 50% of probability the worker will be female with a 70% of probability (because they selected from Motor Works) and with 50% of probability the worker will be female with a 68% of probability (they selected from City Bank).

We express this as 50%*70% + 50%*68% = 69%

The multiplication means that both probabilities happen together and the sum means that happens one thing or the other (they select Motor Works or City Bank)

5 0
3 years ago
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