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LenaWriter [7]
3 years ago
6

1. Solve 1 yd 2ft 7 in + 2 yd 1ft 10 in.

Mathematics
1 answer:
musickatia [10]3 years ago
6 0

Answer:

4.47222222 yards

Step-by-step explanation:

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It should be, B) 7.25.
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42-7=35 is an addend or equation
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A ribbon that is 22 3/4 inches long has to be divided into 7 equal pieces
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3 1/4 inches

Step-by-step explanation:

22 3/4 ÷ 7

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Is 0.2487 a interger
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7 0
4 years ago
Question 14
Reil [10]

Answer:

The system of equations has a one unique solution

Step-by-step explanation:

To quickly determine the number of solutions of a linear system of equations, we need to express each of the equations in slope-intercept form, so we can compare their slopes, and decide:

1) if they intersect at a unique point (when the slopes are different) thus giving a one solution, or

2) if the slopes have the exact  same value giving parallel lines (with no intersections, and the y-intercept is different so there is no solution), or

3) if there is an infinite number of solutions (both lines are exactly the same, that is same slope and same y-intercept)

So we write them in slope -intercept form:

First equation:

6x+y=-1\\y=-6x-1

second equation:

-6x-4y=4\\-6x=4y+4\\-6x-4=4y\\y=-\frac{3}{2} x-1

So we see that their slopes are different (for the first one slope = -6, and for the second one slope= -3/2) and then the lines must intercept in a one unique point. Therefore the system of equations has a one unique solution.

6 0
3 years ago
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