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mrs_skeptik [129]
3 years ago
8

Three-sevenths of a number is 21. Find the number.

Mathematics
2 answers:
viva [34]3 years ago
8 0
Three-sevenths of a number is 21. Find the number.

a. the number is 9
b. the number is 27
☆☆☆☆☆☆c. the number is 49

Lera25 [3.4K]3 years ago
3 0
The number is 9   as          3/7 of 21=9
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Liono4ka [1.6K]

Answer:

A and D both have a value of -4

Step-by-step explanation:

A. (-4)  = -4

B. |-4|  = positive value of what is inside = 4

C. |4| = positive value of what is inside = 4

D. -|4| = -positive value of what is inside = -4

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Write the slope and y intercept of each equation:
vichka [17]

Answer:

A) slope = 2, y-intercept = -6

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Step-by-step explanation:

A) y = 2x - 6

The equation for a line is y = mx + b, where <em>m</em> represents the slope, and <em>b</em> represents the y-intercept. So, to find the slope and y-intercept, all we have to do is look at the line's equation.

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You would graph the equation y = 4x + 6 by plotting a point at the y-intercept of the line, which would be 6. Then, for every time you move one space to the right, you'd plot a point four spaces up to show the slope of four.

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