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Stolb23 [73]
2 years ago
8

You are trying to calculate the quickest route to drive to work. Your job is 7.5 miles from home. One option is to take the back

roads to work. That route is calculated for driving at an average speed of 30 miles per hour. How long will it take you to get to work this way?
Mathematics
1 answer:
Neko [114]2 years ago
6 0

Answer:

0.25\ hour  or  15\ min

Step-by-step explanation:

Let

d -----> the distance in miles

t -----> the time in hours

s -----> the speed in miles per hour

so

s=\frac{d}{t}

Solve for t

t=\frac{d}{s}

we have

d=7.5\ mi

s=30\ mi/h

substitute the values

t=\frac{7.5}{30}

t=0.25\ hour

Convert to minutes

0.25\ hour=0.25*60=15\ min

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shusha [124]

Answer: ∠JKM = 106\textdegree and

 ∠JKM = 74\textdegree

Step-by-step explanation:

Since we have given that

∠JKM=10y+6

∠MKL=8y-6

Since they are linear pairs ,

So, 10y+6+8y-6=180\textdegree \\\\18y=180\textdegree \\\\y=\frac{180\textdegree}{18\textdegree}\\\\y=10\textdegree

∠JKM = 10\times 10+6=100+6=106\textdegree

and

∠MKL = 8\times 10-6=80-6=74\textdegree

8 0
2 years ago
Read 2 more answers
The quantities xxx and yyy are proportional. xxx yyy 777 353535 121212 606060 202020 100100100 Find the constant of proportional
belka [17]

Answer: The constant of proportionality is r = 5.

Step-by-step explanation:

O, we know that x and y are proportional, this means that:

y = r*x

where r is the constant of proportionality.

we also have the table

x    y

7    35

12   60

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Now, we can replace those values in our equation and get, for the first pair:

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r = 35/7 = 5

for the second pair:

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7 0
2 years ago
Tony bought a $48 sweatshirt and used a coupon for a 10% discount. Keith bought an identical sweatshirt at a different store for
Westkost [7]
<h3>✽ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ✽</h3>

➷ final = original x multiplier

final = 48 x 0.9

final = 43.2

Tony paid $43.20

Subtract the two values:

43.2 - 42.95 = 0.25

Therefore, the correct option would be C. Keith paid $0.25 less than Tony paid

<h3><u>✽</u></h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ <u>ʜᴀɴɴᴀʜ</u> ♡

3 0
2 years ago
489 to the nearest ten​
sammy [17]
8 is in the tenth position.

In order to round up, the number behind it (in this case. 9) must be one of the numbers of 5-9. Because 9 meets this requirement, you can round 8 to 9 and this will make 9 to 0.

Your answer is 490
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