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Gemiola [76]
3 years ago
8

Rachel runs 6 miles in 45 minutes. At the same rate how many minutes would she take to run 4 miles?

Mathematics
2 answers:
exis [7]3 years ago
7 0
Rachel would take 30 minutes to run in 4miles
velikii [3]3 years ago
5 0
If Rachel runs 6 miles in 45 minutes, she runs at a rate of 2/15 miles per minute. That means it would take her 30 minutes to run 4 miles. 
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Describe the translation 7 units to the left, 12 units up using a vector.
Lelu [443]
The magnitude of the vector is √(7^2+12^2)=√(49+144)=√193

The direction is α=arctan(y/x)=arctan(12/-7)≈-59.74 however this is relative to the negative x-axis so we add 180° to get the standard angle...180-59.74=120.26°

So the vector is √193 @ 120.26°
5 0
3 years ago
A. 4 packs of pencils and 3 packs of erasers B. 4 packs of pencils and 5 packs of erasers C. 5 packs of pencils and 3 packs of e
amid [387]
C. 5 packs of pencils and 3 packs of erasers. it is c because no matter what 20(the pack of erasers) is multiplied by it will always end in a zero, therefore you would have to multiply 12 by a number that would make it a multiple of 20 as well which happens to be 5. 5×12=60 and 3×20=60
3 0
3 years ago
the perimeter of a rectangle is 70 inches. the length of a rectangle is 5 less than 3 times its width. what is the witdth of the
Virty [35]

Answer:

The width is 10 inches

Step-by-step explanation:

Perimeter = 2(Length + Breadth)

Length(L) = 3B + 5

Perimeter = 70

70 = 2(3B + 5)

70 = 6B + 10

70 - 10 = 6B

60 = 6B

60/6 = B

B = 10 inches

4 0
3 years ago
How ofteten Do chemists study the elements
sweet-ann [11.9K]
Daily, there is always something new to be learning in the science world.
7 0
3 years ago
Simplify: [4 + 6 x (5 - 2)] + 8<br><br> 30<br> 31<br> 24<br> 72
ludmilkaskok [199]

Answer: the answer i got is the 30


Step-by-step explanation:

so first you had to do the parentheses

(5-2)=3

[4+6 multiplied by 3] + 8

[4+18]+8

22+8

=30

6 0
3 years ago
Read 2 more answers
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