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2 years ago

Katie runs 4 miles in 24 minutes. How many miles can she run in 30 minutes?

Mathematics

2 answers:

vova2212 [387]2 years ago

8 0

Katie runs 1 mile every 6 mins so she can run 5 miles in 30 mins.

elena-14-01-66 [18.8K]2 years ago

6 0

I used proportions to figure out the answer. Hope this helps!

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After a dilation with center (0,0) the image of DB is D’B’ if DB=6 and D’B’=2 the scale factor of dilation is what ?

bezimeni [28]

Answer:

scale factor = $\frac{1}{3}$

Step-by-step explanation:

the scale factor is the ratio of corrresponding sides. image to original.

scale factor = $\frac{D'B'}{DB}$ = $\frac{2}{6}$ = $\frac{1}{3}$

7 0

1 year ago

If you divide a number by a other number will it always be smaller?

ioda

No you can divide 0.5 by 0.25 and you will get 2

6 0

2 years ago

Read 2 more answers

How do you find the answer

kati45 [8]

The answer is (2, 0).

4 0

2 years ago

Which answer is equivalent to<br> ??? Help please

grigory [225]

Answer:

$\large\boxed{\dfrac{36}{25}}$

Step-by-step explanation:

$\text{Use}\ a^{-n}=\dfrac{1}{a^n}\\\\\dfrac{5^{-2}\cdot9}{2^4\cdot4^{-3}}=(5^{-2}\cdot9):(2^4\cdot4^{-3})=\left(\dfrac{1}{5^2}\cdot9\right):\left(2^4\cdot(2^2)^{-3}\right)\\\\\text{use}\ (a^n)^m=a^{nm}\\\\=\left(\dfrac{1}{25}\cdot9\right):(2^4\cdot2^{-6})\\\\\text{use}\ a^n\cdot a^m=a^{n+m}\\\\=\dfrac{9}{25}:2^{4+(-6)}=\dfrac{9}{25}:2^{-2}=\dfrac{9}{25}:\dfrac{1}{2^2}=\dfrac{9}{25}:\dfrac{1}{4}=\dfrac{9}{25}\cdot\dfrac{4}{1}=\dfrac{36}{25}$

7 0

2 years ago

Alan, david and shari are running for president of their high school. There were a total of 1,000 votes cast for president. Davi

vekshin1

Answer:

Alan received 350 votes

Step-by-step explanation:

David received 250 votes

Shari received 400 votes

1,000 - 250=750

750 - 400 = 350

7 0

2 years ago