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kolbaska11 [484]
3 years ago
8

Determine each number by writing a proportion. Round to the nearest tenth if necessary.

Mathematics
2 answers:
Oksanka [162]3 years ago
8 0

Answer:

2

Step-by-step explanation:

Write the proportion. You do 40x5=200. 200/100=2.

Readme [11.4K]3 years ago
5 0
You would solve it by doing x/40=5/100 solve the equation and you should get the answer

hope this helped
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Find the circumference of the object. Use 3.14 or 22/7
dmitriy555 [2]
C=2pi r
C = 2 pi 7
C= 14 pi
C= 43.96 in
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3 years ago
I need someone to check these answers ASAP.
Reptile [31]

Alright, 1, 2, and 4 are correct but 3 is not.

The error you made could be hard to notice but it was made. So let's put the equation up, 6x-(2x-9)=-31. Your error occurred when you didn;t distribute the negative sign for (2x-9), if you woud have distributed it then the equation would then be simplified into 6x-2x+9=31. You then add like terms and get 4x+9=31, subtract 9 on both sides and you'll get 4x=22. Divide 4 on both sides to isolate the variable and you get x=5.5

7 0
3 years ago
What is the area of a rectangle? Pls help and I will mark brainliest!
Alchen [17]

Answer:

  • A. 168 units²

Step-by-step explanation:

<u>Find the missing side of the rectangle, use Pythagorean:</u>

  • b² = 25² - 7² = 576
  • b = √576 = 24 units

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  • A = ab
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Correct choice is A

7 0
2 years ago
Solve for x. -5x + 13 = -17
Lana71 [14]

Subtract 13 from both sides

-5x = -17 - 13

Simplify -17 - 13 to -30

-5x = -30

Divide both sides by -5

x = -30/-5

Two negatives make a positive

x = 30/5

Simplify 30/5 to 6

<u>x = 6</u>

7 0
3 years ago
Read 2 more answers
PLEASEE HELPP IM DESPERATE I’LL GIVE BRAINLIEST TO WHOEVER ANSWERS FIRST CORRECTLY
DedPeter [7]

Answer:

x = 2, -2, -1/5

Step-by-step explanation:

g(x)= 5x^3+x^2-20x-4

g(x)= x^2(5x+1)-4(5x+1)

g(x)=(x^2-4)(5x+1)

g(x)=(x-2)(x+2)(5x+1)

x-2=0

x= 2

x+2=0

x= -2

5x+1=0

x= -1/5

8 0
3 years ago
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