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lions [1.4K]
3 years ago
15

85 : 45 = 170 : x Answer to get the answer for x

Mathematics
1 answer:
Marina86 [1]3 years ago
8 0

x=9/34 that's the answer

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The diameter of a regulatiom soccer ball is about 8 3/5 inches
alina1380 [7]

8 3/5 is between 8 and 9

 so point D would be correct

5 0
3 years ago
16.8 cm<br> Circle circumference
amid [387]

Answer: 5.2752

  1. Step-by-step explanation: multiply 16.8 by pie 3.14 then you have the answer

8 0
3 years ago
∠A and \angle B∠B are vertical angles. If m\angle A=(3x-30)^{\circ}∠A=(3x−30)
Yuki888 [10]

Answer:

x=21\textdegree

Step-by-step explanation:

So we know that:

\angle A=3x-30 \text{ and}\\\angle B=2x-9

And that the two angles are vertical angles.

Since they are vertical angles, their measurements are equivalent. Thus, to find x, set the equations equal to each other:

\angle A=\angle B\\(3x-30)=(2x-9)

Now, solve for x. Add 30 to both sides. The left side cancels:

(3x-30)+30=(2x-9)+30\\3x=2x+21

Now, subtract 2x from both sides. The right cancels:

(3x)-2x=(2x+21)-2x\\x=21

Thus, the value of x is 21.

8 0
4 years ago
Como simplifica essa expressão: x+6y-7z+2-8x-12y-10z-20:​
n200080 [17]

Answer:

-17 z - 6 y - 7 x + -18

Step-by-step explanation:

Simplify the following:

x + 6 y - 7 z + 2 - 8 x - 12 y - 10 z - 20

Hint: | Group like terms in x + 6 y - 7 z + 2 - 8 x - 12 y - 10 z - 20.

Grouping like terms, x + 6 y - 7 z + 2 - 8 x - 12 y - 10 z - 20 = (-7 z - 10 z) + (6 y - 12 y) + (x - 8 x) + (2 - 20):

(-7 z - 10 z) + (6 y - 12 y) + (x - 8 x) + (2 - 20)

Hint: | Combine like terms in -7 z - 10 z.

-7 z - 10 z = -17 z:

-17 z + (6 y - 12 y) + (x - 8 x) + (2 - 20)

Hint: | Combine like terms in 6 y - 12 y.

6 y - 12 y = -6 y:

-17 z + -6 y + (x - 8 x) + (2 - 20)

Hint: | Combine like terms in x - 8 x.

x - 8 x = -7 x:

-17 z - 6 y + -7 x + (2 - 20)

Hint: | Evaluate 2 - 20.

2 - 20 = -18:

Answer: -17 z - 6 y - 7 x + -18

3 0
3 years ago
Why would a linear function be an appropriate model?
Nady [450]

Answer:

I know the answer

Step-by-step explanation:

Linear functions are those whose graph is a straight line. A linear function has the following form. y = f(x) = a + bx. A linear function has one independent variable and one dependent variable. The independent variable is x and the dependent variable is y.

6 0
3 years ago
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