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3 years ago

Chau is riding his bicycle. He rides at a speed of 12.5 kilometers per hour for 5 hours. For how many kilometers does he ride?

Mathematics

2 answers:

Firlakuza [10]3 years ago

4 0

12.5 x 5 = 62.5km :)

PilotLPTM [1.2K]3 years ago

3 0

Answer: 62.5 kilometers

Step-by-step explanation:

12.5 and 5 should be multiplied to find out how many kilometers Chau rode within 5 hours. 12.5 * 5 = 62.5.

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Answer:

25+4x=53 is the equation you would need to determine how many times she went after hours.

Step-by-step explanation:

if you also need to know how many times she went after hours. she went 7 times so x=7

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3 years ago

If f(x)=x^2 and g(x)=1÷2x+3 find g(f(-1))

gogolik [260]

ANSWER

$g(f( - 1)) = \frac{1}{5 }$

EXPLANATION

The given function is:

$f(x) = {x}^{2}$

and

$g(x) = \frac{1}{2x + 3}$

$g(f(x)) = g( {x}^{2} )$

$g(f(x)) = \frac{1}{2{x}^{2} + 3 }$

To find g(f(-1)), we substitute x=-1, to obtain;

$g(f( - 1)) = \frac{1}{2{( - 1)}^{2} + 3 }$

We simplify the square in the denominator to get,

$g(f( - 1)) = \frac{1}{2+ 3 }$

We now add the denominator to obtain;

$g(f( - 1)) = \frac{1}{5 }$

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3 years ago

405,000,000−1.7×10^8

zhenek [66]

Answer: 235,000,000

Step-by-step explanation:

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3 years ago

There is $48 to be divided among 3 people. the ratio of dividing is 3:2:1. How much does the person who receives the most will g

hodyreva [135]

Answer:

The person who receives the most will get $24

Step-by-step explanation:

Let

x ----> amount received by the first person

y ----> amount received by the second person

z ----> amount received by the third person

we know that

$x+y+z=48$ ----> equation A

$x:y:z=3:2:1$

$\frac{x}{y}=\frac{3}{2}$

$x=1.5y$ ----> equation B

$\frac{y}{z}=\frac{2}{1}$

$z=0.5y$ ----> equation C

substitute equation B and equation C in equation A

$1.5y+y+0.5y=48$

solve for y

$3y=48\\y=\$16$

Find the value of x

$x=1.5(16)=\$24$

Find the value of z

$z=0.5(16)=\$8$

therefore

The person who receives the most will get $24

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3 years ago

Read 2 more answers

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Answer:

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Step-by-step explanation:

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2 years ago