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Nina [5.8K]
3 years ago
12

✨I NEED A SMART PERSON✨ (math)

Mathematics
2 answers:
Brilliant_brown [7]3 years ago
4 0
All I know is A and E are one of them
Tems11 [23]3 years ago
3 0

Answer:

A and E.

Step-by-step explanation:

Using the math from 7th grade, 6 rooted is 36/9=4+10 is 14. Everything else you must multiply everything in parenthesis, by the outside number, then you add them. E is right because -15+35=20-6=14. Yw.

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Hi, can you please help me answer this direct proportion question?
Oksanka [162]

Answer:

X = 100

Step-by-step explanation:

  • In proportion questions, they want you to multiply one of the sides by a variable, (i usually represent it with K) and then change the proportion sign to an equal.
  • This is because proportional means they have a ratio between them, with one side increasing by "k" for each increase in the other side.
  1. Multiply the left by k, so y = \frac{k}{\sqrt{x} }
  2. we know that y= 5, for x = 36, so sub this in the equation
  3. 5 = \frac{k}{\sqrt{36} }
  4. simplify5 = \frac{k}{6 }
  5. re-arrange for k, <u>k = 5*6 = 30</u>
  6. now we know k, we can create the real equation, y = \frac{30}{\sqrt{x} }
  7. sub in 3 as y
  8. 3 = \frac{30}{\sqrt{x} }
  9. <u>x = 100</u>
4 0
2 years ago
This is from my algebra, is x/2 equal to -2x
slega [8]

No, because x/2 divides x by two, while -2x multiplies x by -2.

6 0
3 years ago
Given that €1 = £0.72<br> A) How much is €410 in £?<br><br> B) What is the £ to € exchange rate?
Natalka [10]

Answer:

€295.2

Step-by-step explanation:

410x0.72 = 295.2

please mark brainliest

8 0
3 years ago
What is the value of the expression 3y-4xy^2 when x=3 and y=-6
Rama09 [41]
-450 and can i get brainliest
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Consider the equation n2+5=21.
lesya692 [45]

Step-by-step explanation:

n2+5=21

n2 =21-5

n2 = 16

n =16/2=8

6 0
3 years ago
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