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Allisa [31]
3 years ago
8

Helpppp on a test <3 please question b the first one

Mathematics
1 answer:
maksim [4K]3 years ago
8 0

Answer:6

Step-by-step explanation:

5 times 2h is 10h, so then you have to find 5 times what is 30, and 5 times 6 is 30. So your anwser would be 6.

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Where does the section of the bridge meet ground level? Solve 0 = -x2 + 10x - 8
djverab [1.8K]
In can be less mental effort if the equation is multiplied by -1 first.
.. x^2 -10x +8 = 0
.. x^2 -10x +25 +8 -25 = 0
.. (x -5)^2 = 17
.. x -5 = ±√17
.. x = 5 ±√17

The values of x that satisfy the given equation are
.. x = 5 -√17 ≈ 0.877
.. x = 5 +√17 ≈ 9.123

4 0
4 years ago
Read 2 more answers
I need help to find the rule.
Sonbull [250]
Lololololol. I long since forgot how to do this. rip
3 0
4 years ago
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What is the solution to this equation x/5=15<br> a.x=75<br> b.x=20<br> c.x=3<br> d.x=10
Darina [25.2K]

\dfrac{x}{5}=15\ \ \ \ |\cdot5\\\\\not5\cdot\dfrac{x}{\not5}=5\cdot15\\\\x=75

Answer: a. x = 75

8 0
4 years ago
Check picture to answer
Ilia_Sergeevich [38]

After solving the equation we get y=2 when x = 15

Step-by-step explanation:

We need to complete the solution of the equation -x-8y=-1

We need to find value of y when x equals -15

For finding value of y, we will put value of x= -15 in the given equation:

-x-8y=-1

-(-15)-8y=-1

+15-8y=-1

Adding -15 on both sides

-8y=-1-15

-8y=-16

Divide both sides by -8

y=2

So, After solving the equation we get y=2 when x = 15

Keywords: Solving Equations

Learn more about Solving Equations at:

  • brainly.com/question/1563227
  • brainly.com/question/2403985
  • brainly.com/question/11229113

#learnwithBrainly

5 0
4 years ago
C. The quotient of 3 and a number x.​
Yakvenalex [24]

The answer you are looking for is 3÷x. Well, the better way to write this would be 3 over x, or 3/x, which is the fractional form. Since "quotient" modifies division, you would divide 3 by x.

So, therefore, the best final answer to this problem is 3/x.

Hope this helped answer your question for you. Good day to you.

4 0
3 years ago
Read 2 more answers
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