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schepotkina [342]
3 years ago
12

mei rode her bike 7/10 mile to school her friend julie walked 0.07 mile to school .did the two girls travel the same distance .?

explain
Mathematics
2 answers:
UNO [17]3 years ago
8 0
No because mei rode 7/10 while Julie walked 7/100
serg [7]3 years ago
8 0

Answer:

The answer is NO

Step-by-step explanation:

In order to determine the answer, we need to compare both distances using the same group of numbers. It is more difficult to compare which is greater, for example, between 1.567 with \frac{54}{45} , because both number belong to different group of number.

So, we change the 0.07 decimal number to a fraction number:

0.07=\frac{7}{100}

Now, we compare just fractions. Both fractions have the same numerator, so we have to compare denominator. The fraction with the lower denominator is greater than the other.

Thus:

\frac{7}{10}>\frac{7}{100}

Finally, according to the fraction comparison, Mei traveled more distance than Julie.

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maw [93]

Answer:

v = h/t + 16t

8 0
3 years ago
Using the digits 1 to 9 at most one time each, fill in the boxes to find the largest (or smallest) possible values for x.
Mice21 [21]

Answer:

smallest: 8x -3 = 4; 1y +9 = 2. total = -49/8

 largest: 1x -9 = 8; 2y +3 = 7. total = 19

Step-by-step explanation:

If we use variables to represent the box contents, we can write ...

ax -b = c

dy +e = f

Then the values of x and y are ...

 x = (c +b)/a

 y = (f -e)/d

For positive integer values of the variables, x will always be positive, and y may or may not be negative.

Smallest sum

For the sum to be the smallest, we must have x be as small as possible and the ratio (f-e)/d be as negative as possible.

x will be small for large 'a' and for (c+b) small. For y to be as negative as possible, we want 'd' and 'f' small and 'e' large. Best results are obtained for

8x -3 = 4   ⇒   x = 7/8

1y +9 = 2   ⇒   y = -7

For these coefficients, the sum is -6 1/8 = -49/8.

(note that the values of 'b' and 'c' can be swapped with no net effect)

Largest sum

For the sum to be the largest, we must have x as large as possible: (b+c) large and 'a' small. At the same time we must have y be positive and as large as possible: (f-e) positive and large, 'd' small. Best results are obtained for

1x -9 = 8  ⇒   x = 17

2y +3 = 7   ⇒   y = 2

For these coefficients, the sum is 19. Again, 'b' and 'c' can be swapped with no effect.

_____

Additional comment

These extreme values are verified by examination of the 60,480 possible permutations of the coefficients.

8 0
3 years ago
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Step-by-step explanation:

f(t) =  -2t + 3

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f(-2) = -4 + 3

f(-2) = -1

5 0
3 years ago
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Taya2010 [7]

15.2

16 + 12 + 8 +  22 +  25 +  8 = 91 / 6 = 15.16 = 15.2

4 0
3 years ago
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Eva8 [605]
Plug the x value into the x value for your questions.

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3 years ago
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