3 years ago

Kelly rows a boat at the rate of 7040 yards per hour. How fast did Kelly row in miles?

Mathematics

1 answer:

irakobra [83]3 years ago

6 0

Answer:

4 mph

Step-by-step explanation:

yard → mile = divide the length value by 1760

7040 / 1760 = 4 miles per hour

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Sophie [7]

Step-by-step explanation:

$\frac{10 {x}^{3} - 12 {x}^{2} + 6x - 7 }{ - 14 {x}^{2} - 1 }$

-14x²-1≠0

x²≠ -1/14

Option C

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4 years ago

Mrs. Jones has a local bakery. Last week this expression shows how many peanut butter cupcakes she baked. 5 (2x -4) + 3(3 + 4x)

3241004551 [841]

Answer:

A. $22x-11$

B. $121$ cupcakes

Step-by-step explanation:

Part A:

The simplified form of the expression is

$5(2x-4)+3(3+4x)$

$(10x-20)+(9+12x)$

$(10x+12x)+(9-20)$

$22x-11$

Part B:

Put $x=6$ in the above simplified equation to get the number of cupcakes Mrs. Jones bake last week

$22x-11$

$22(6)-11$

$132-11$

$121$ cupcakes

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3 years ago

What is 0.0044 as a percentege

Rashid [163]

0.0044 as a percentage0.44%

7 0

3 years ago

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Solnce55 [7]

Answer:

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Step-by-step explanation:

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2 years ago

Read 2 more answers

How many solutions does the equation 5x + 10 = 5x - 8 have?

andrew-mc [135]

Answer:

2 solutions

Step-by-step explanation:

5x+10=5x-8

5x-5x=8-10

=-2

5x+10=5x-8

10+8=5x-5x

=18

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3 years ago