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Ket [755]
3 years ago
10

Choose the variable. A 31 B m

Mathematics
1 answer:
rodikova [14]3 years ago
6 0

Answer:

B. m

Step-by-step explanation:

Hey there!

A variable is an unknown quantity in an equation or problem.

For example, the problem 3x=15

We want to find out what times 3 will give us 15. x is our unknown quantity.

Hope this helps you! Feel free to comment any questions you may have for me!

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if your bicycle tire has a diameter of 9 inches. how many rotations does each tire make if you travel 300 feet?
Vesnalui [34]
Step One
Calculate the number of feet traveled in 1 rotation.

Formula
C = π*d
P = 3.14
d = 9 inches = 9/12 feet = 3/4 of a foot.

C = 3.14 * 3/4 = 2.355 So that means that every time the tire turns around 1 complete turn, the distance traveled on the ground is 2.355 feet.
 
Step Two
Figure out the number of revolutions.
1 revolution = 2.355 feet
x revolutions = 300 feet.

1/x = 2.355/ 300  Cross multiply
2.355 feet * x = 1 rev * 300 feet
2.355 x = 300 rev Divide by 2.355
x = 300 / 2.355 
x = 127.39 revolutions. <<<< Answer

8 0
4 years ago
What is this ??<br>Answer this question​
ahrayia [7]

Answer:

Highlighter

Step-by-step explanation:

I think it is highlighter.

5 0
3 years ago
Read 2 more answers
MATH HELP ASAP!! MARKING BRAINLIST!!
juin [17]

Answer

y=17x+55

Step-by-step explanation:

4 0
3 years ago
____× 105 is 3,000 times greater than 2.3 × 102 and is _____ times greater than 1.38 × 101.
musickatia [10]
For this case we must calculate the values of the unknowns.
 We have then:
 x * 10 ^ 5 is 3,000 times greater than2.3 * 10 ^ 2
 We have the following equation:
 (x * 10 ^ 5) / (2.3 * 10 ^ 2) = 3000&#10;
 From here, we clear the value of x:
 x = (10 ^ 2/10 ^ 5) * (2.3 * 3000)&#10;&#10;x = 6.9
 Then, on the other hand we have:
 "and is _____ times greater than 1.38 × 101"
 That is, we have the following equation:
 (6.9 * 10 ^ 5) / (1.38 * 10 ^ 1) = y&#10;
 The value of y is:
 y = 50000&#10;
 Answer:
 
6.9 × 105 is 3,000 times greater than 2.3 × 102 and is 50000 times greater than 1.38 × 101.
6 0
4 years ago
Write the equation in slope-intercept form of the line that is parallel to the
aliina [53]

Answer:

the desired equation is y = 3x - 5

Step-by-step explanation:

The correct form of this equation is y = mx + b, where m is the slope and b is the y-intercept.

Any line parallel to the given y = 3x + 6 has an equation of exactly the same form except for the y-intercept (b = 6).

We must find an appropriate y-intercept.  To do this, substitute 4 for x and 7 for y in y = 3x + C:  7 = 3(4) + C, or 7 = 12 + C, or C = -5.

Then the desired equation is y = 3x - 5

8 0
4 years ago
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