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Alex777 [14]
3 years ago
11

Given that y varies directly with x in the table below, what is the value of y if the value of x is 7?

Mathematics
2 answers:
Black_prince [1.1K]3 years ago
6 0
Write out the governing equation:

y = kx.

Take any point from the given table.  You haven't shared the table, so I will invent a point:  (2, 9).

Then find k:  k = 9/2        Then the equation becomes   y = (9/2)x.

Now let x = 7 and find y:                           y = (9/2)(7) = 63/2     

Answer:         y = 63/2
Nat2105 [25]3 years ago
4 0

Answer:

B. 42

Hope this helps!

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If 1 inch is 500 miles, then 4 inches is how many miles?
tiny-mole [99]

Answer:

2,000 miles

Step-by-step explanation:

We are given:

1 inch=500 miles

This can be rewritten as:

\frac{500 miles}{1inch}

This is representative of a unit rate, as we have a 1 in the denominator. To calculate the number of miles in 4 inches, simply multiply the unit rate by 4:

\frac{500 miles}{1inch}*4=

\frac{2000 miles}{4 inches}

This can rewritten as:

4inches=2000miles

Therefore, there are 2,000 miles in 4 inches.

-

We can check our solution by simplifying the fraction \frac{2000 miles}{4 inches} by dividing both 2000 and 4 by 4 to see if we achieve the unit rate:

\frac{500 miles}{1 inch}

Since this is in fact the unit rate, our solution is correct!

6 0
2 years ago
Read 2 more answers
Ok ok, Jonathan is making his favorite pasta dish. His mom ate 2/7 of the pasta, and his brother ate 1/6 of the pasta. How much
givi [52]

Answer:

It is 0.4524 rounded simply you can say 0.45

Step-by-step explanation:

if you multiply 2/7 by 6 which is 12/42 and 1/6 times 7 which is 7/42 and add both fractions you will get 19/42 which is 0.45 you can either say the answer is 0.45 or 19/42.

8 0
3 years ago
Read 2 more answers
How many hours are in 170 minutes
enyata [817]

Answer:

There are a total of 2 hours and 50 min.

Step-by-step explanation:

1 hour = 60 min

60 x 2 = 120 min

60 x 3 = 180 min - too much

so take away 10 from 180 min to get 170

8 0
3 years ago
Paolo is using his grandmother’s cookie recipe. He always doubles the amount of chocolate chips and oats. The recipe calls for 2
lesya692 [45]

Answer:

6 1/3 divided by 2 1/2 = x

Step-by-step explanation:

Hope this helps.

6 0
3 years ago
The temperature outside is -16 degrees fahrenheit. then the temperature rises 20 degrees. what is the current outdoor temperatur
Irina-Kira [14]
The answer is 4 degrees.
4 0
3 years ago
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