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quester [9]
3 years ago
14

Help me please don't know

Mathematics
1 answer:
dem82 [27]3 years ago
8 0
1. 5 x 5
2. 7 x 28
3. 90 divided by 70
4. 40 divided by 5.
Hope this helps. #I'm11
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Can someone help me with five and six
Westkost [7]

Answer:

5) a)(-4,-6) b) (4,2)  c) (2,6)     6) (3,2)

Step-by-step explanation:

5) the solution is the points where the lines meet.

6) graphed the lines; the picture of the graph is attached below

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3 years ago
The variable z is directly proportional to x, and inversely proportional to y. When x is 7 and y is 7, z has the value 2. What i
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Answer:

z = \frac{5}{3}

Step-by-step explanation:

Given z is directly proportional to x and inversely proportional to y then the equation relating them is

z = \frac{kx}{y} ← k is the constant of proportionality

To find k use the condition x = 7, y = 7 and z = 2

k = \frac{zy}{x} = \frac{2(7)}{7} = 2

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When x = 10 and y = 12, then

z = \frac{2(10)}{12} = \frac{20}{12} = \frac{5}{3}

7 0
3 years ago
Estimate to 7.864 times 3.29
tankabanditka [31]
I will answer in 30 min
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The perimeter of a rectangle is 16 inches. The equation that represents the perimeter of the rectangle is , where l represents t
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Answer:

7 in

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The graph of the function f(x)= 2x is shown. The inverse is also a function. If the domain of the inverse is the range values of
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Step-by-step explanation:

4 0
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