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Andrei [34K]
3 years ago
12

When Emilio was at the park today, he saw four kites. This is two less than 3 times the number of kites he saw yesterday. Let y

equal the number of kites Emilio saw yesterday.
A. 3y - 2 = 4
B. 2 - 3y = 4
C. 2y - 3 = 4
D. 4 - 2 = 3y
Mathematics
1 answer:
dsp733 years ago
4 0

Answer: the correct answer is a

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the length of a rectangle is 7 yd more than 5 times the width. the perimeter is 150 yd. find the length and the width.
Vaselesa [24]
P = 2(L + W)
P = 150
L = 5W + 7

150 = 2(5W + 7 + W)
150 = 2(6W + 7)
150 = 12W + 14
150 - 14 = 12W
136 = 12W
136/12 = W
11.33 (or 11 1/3) = W <=== width

L = 5W + 7
L = 5(34/3) + 7
L = 170/3 + 7
L = 170/3 + 21/3
L = 191/3 (or 63 2/3) = L <=== length
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3 years ago
Write y+7=4(x+2) in standard form.
Vinvika [58]

Answer:

1 = 4x -y

Step-by-step explanation:

Distribute the 4

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Subtract the 7

y = 4x - 1

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3 years ago
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The speedometer in Kevin's car reads in both miles/hour and kilometers/hour. What information is needed to convert between these
Akimi4 [234]

Answer:

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Step-by-step explanation:

The car converts from miles/hour to kilometers/hour, if we see the time measurement (hours) it stays the same in both units.

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there are 0.621371 miles in 1 kilometer, so if we divide 10miles/hour by 0.621371 we get kilometers/hour units:

\frac{10miles}{hour} (\frac{1kilometer}{0.621371miles} )=16.0934\frac{kilometers}{hour}

Thus to make the conversion between the two units is needed the number of miles in 1 kilometer.

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