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Natasha_Volkova [10]
3 years ago
5

Tricia made a 56% on her science test. If she for 14 problems correct, how many questions were on the test?

Mathematics
1 answer:
wariber [46]3 years ago
4 0
There are 25 questions
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Find the real solutions of the equati<br> √7x+1 - √x-5 = 6
Juliette [100K]

The solution of this equation is x = 5 and   x = 9.

<h3>What is the solution?</h3>

Let us recall that what we have here is a radical equation as follows;

√7x+1 - √x-5 = 6

When we isolate we have';

 √7x+1 = √x-5+6

Taking the square of both sides;

  (√7x+1)^2 = (√x-5+6)^2

Hence;

    7x+1 = x-5+36+12√x-5

-12√x-5 = -7x-1+x-5+36

12√x-5 = 6x-30

Raising this equation to power 2

144x-720 = 36x^2-360x+900

When we rearrange we obtain;

36x2  - 504x  + 1620 = 0

Hence;

x = 5 and   x = 9

Learn more about radical equation:brainly.com/question/8606917

#SPJ1

5 0
1 year ago
SOMEONE PLEASE HELP ME!!!!!<br><br> Choices:<br> A: 35<br> B: 135<br> C: 45 <br> D:55
Sedbober [7]
The answer is 45, if you solve
8 0
3 years ago
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Qual o complemento do suplemento de 47 graus?
rosijanka [135]
Complemento porque Es menos de 90 graus
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3 years ago
A rectangle has a perimeter of 6 feet.<br>Choose all the possible dimensions of the rectangle.​
Reika [66]
Two sides would=2 which would have 2 sides had up to 4, and the other two sides would= 1 which would have those two added up to 2, 4+2=6
6 0
3 years ago
Jack and three of his friends
3241004551 [841]

Answer:

C

Step-by-step explanation:

Just divide by 4

4 0
3 years ago
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