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3 years ago

Noah ran 2 1/2 miles in 3/5 hour. How far does he run in 1 hour?

Mathematics

1 answer:

victus00 [196]3 years ago

8 0

Step-by-step explanation:

0.6 hours = 2.5 miles

=> 1 hour = 2.5 miles * (1/0.6) = 4.16 miles.

Hence Noan runs 4.16 miles in 1 hour.

(or 25/6 miles)

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Select the correct answer.

givi [52]

Answer:

Step-by-step explanation:

The cube of twice a number =

${2m}^{3}$

Decreased by 11 =

$- 11$

Hence, the cube of twice a number decreased by 11 =

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3 years ago

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klemol [59]

The correct answer is B

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4 years ago

Read 2 more answers

Given g(x) = 10x + 2, find x when g(x) = 2.

Elan Coil [88]

Answer:

x=0

Step-by-step explanation:

We are given:

g(x) =10x +2

and

g(x)=2

g(x) is equal to both 10x+2 and 2. Therefore, by substitution, we can set them equal to each other

10x+2=2

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8 0

3 years ago

<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B125%20%7D%20-%20%5Csqrt%7B180%7D%20%2B%20%5Csqrt%7B45%7D%20" id="TexFormula1" tit

Kobotan [32]

Answer:

2 $\sqrt{5}$

Step-by-step explanation:

Using the rule of radicals

$\sqrt{a}$ × $\sqrt{b}$ ⇔ $\sqrt{ab}$

Simplifying the radicals

$\sqrt{125}$ = $\sqrt{25(5)}$ = $\sqrt{25}$ × $\sqrt{5}$ = 5 $\sqrt{5}$

$\sqrt{180}$ = $\sqrt{36(5)}$ = $\sqrt{36}$ × $\sqrt{5}$ = 6 $\sqrt{5}$

$\sqrt{45}$ = $\sqrt{9(5)}$ = $\sqrt{9}$ × $\sqrt{5}$ = 3 $\sqrt{5}$

Thus

$\sqrt{125}$ - $\sqrt{180}$ + $\sqrt{45}$

= 5 $\sqrt{5}$ - 6 $\sqrt{5}$ + 3 $\sqrt{5}$

= 2 $\sqrt{5}$

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3 years ago

jake noted that the speech of light is approximately 1.1 x 10^9 kh/k the speed of sound is approximately 1.2 x 10^3 kh/k and 11/

Deffense [45]

Answer:

cdfJNMUCDJUNMCDJUUJNUJNHMKVSDFJNUMLSKLHUKJNHMC V

Step-by-step explanation:

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mark me brill

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3 years ago