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IRINA_888 [86]
2 years ago
12

What is the value of the expression below when z = 5

Mathematics
1 answer:
lana66690 [7]2 years ago
6 0

You failed to include the expression.

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It will be $2.40

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What is the area of a square that has a side length of 4x
Alex17521 [72]
A square with a side length of 4 would have an area of 16 because 4x4 equals 16.
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What is the product of 2 numbers of 1 2 3 4 5 6 10 20 30​
Zanzabum

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ekena la pernina de la abobo Kot Sa Rita kolos talas 8

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2 years ago
Julie and Eric row their boat (at a constant speed) downstream for 40 miles in 4 hours, helped by the current. Rowing at the sam
Liula [17]

Answer: 3 miles per hour

<u>Step-by-step explanation:</u>

Use the formula "distance (d) = rate (r) x time (t)" to create a system of equations.

Let "r" represent the rate they are rowing

Let "c" represent the current

                            time          rate      distance        <u>EQUATION</u>

Downstream:     4 hours     r + c       40 miles         4(r + c) = 40

Upstream:         10 hours    r - c        40 miles         10(r - c) = 40


Distribute, then eliminate r to solve for c:

Down: 4r + 4c = 40  →   5(4r + 4c = 40)  →   20r + 20c = 200

  Up: 10r - 10c = 40  → -2(10r - 10c = 40) → <u>-20r + 20c</u> =<u>  -80</u>

                                                                                40c = 120

                                                                              <u> ÷40  </u>  <u>÷40 </u>

                                                                                    c =   3

4 0
2 years ago
Share 264 in the ratio 2:3:1
NikAS [45]

Answer:

88:132:44

Step-by-step explanation:

Divide 264 by 6 (2+3+1) = 44

2*44=88

3*44=132

1*44=44

7 0
3 years ago
Read 2 more answers
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