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Anastasy [175]
3 years ago
7

A car travels at an average rate of speed of 75 miles per hour. How many hours would it take you to

Mathematics
1 answer:
Simora [160]3 years ago
7 0

Answer:

6 hours

Step-by-step explanation:

75 x 6 = 450

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What is the lcd of 11/12 and 1/8
erastova [34]
24 = 12*2 and 8*3

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3 years ago
What is the value of -3mn + 4m - 3 when m = 2 and n = -4?
grandymaker [24]
-3(2)(-4)+4(2)-3=24+8-3=29

The value is 29
4 0
3 years ago
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Josie took a road trip. She drove for 45 minutes at 70 miles per hour. Then she drove 15 minutes at 20 miles per hour. How far d
Hunter-Best [27]

Answer:

Therefore Josie drove  57.5 miles.

Step-by-step explanation:

Speed: The ratio of distance to time.

To find the distance we use the following formula

Distance= time \times speed

Given that Josie drove 45 minutes at 70 miles per hour.

45 \ minutes= \frac{45}{60}\ h=\frac34\ h

In 45 minutes, she traveled  = (70\times \frac34) \ miles

                                                =52.5 miles.

The she drove 15 minutes at 20 mile per hour.

15 \ minutes= \frac{15}{60}\ h=\frac14\ h

In 15 minutes, she traveled =(20\times \frac 14) \ miles

                                            =5 miles

Therefore Josie drove (52.5+5) miles= 57.5 miles.

3 0
3 years ago
A used motorcycle is on sale for $3,600. Erik makes an offer equal to 3/4 of this price. How much does Erik offer for the motorc
lesantik [10]
3/4 of 3600..." of " means multiply
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4 0
3 years ago
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a rectangle has an area that is represented by 9x²-4. the length of the rectangle is 3x-2. what is the width?
PSYCHO15rus [73]

Step-by-step explanation:

the area is

length × width

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to find width we could do a real polynomial division or simply recognize the fact that

(a + b)(a - b) = a² - b²

and we see that in our area calculation we are missing the (a + b) factor.

so, width = (3x + 2)

but if you want the division :

9x² - 4 : 3x - 2 = 3x + 2

- 9x² - 6x

-----------------

0 6x - 4

- 6x - 4

----------------------

0 0

again, width = (3x + 2)

6 0
2 years ago
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