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Ann [662]
3 years ago
6

It takes Ann 8 hours to travel a

Mathematics
1 answer:
Amanda [17]3 years ago
6 0

Answer:

d = 780

Step-by-step explanation:

Remark

You can do this with a proportion which will save you figuring out the rate. I'll do it both ways

Proportion

480/8 = x / 13            Cross Multiply

8*x = 13*480

8x = 6240

x = 780 miles

======================

Remark

Often times we like questions to follow a formula. Here's the formula method.

<u>Formula</u>

d = r * t

<u>Givens</u>

t = 8 hours

d = 480miles

r = ?

480 = r * 8            

480 / 8 = r

r = 60

<u>Second part</u>

r = 60 miles per hour

t = 13 hours

d = ?

d = 60*13

d = 780 miles

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A parent function f(x)=4x-5 is transformed to f(x)+3. which statement about the graph of f(x)+3 is true?
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Answer:

B

Step-by-step explanation:

f(x) is just another way of saying y, so this function is really y=4x-5. So if you do y+3 then the y intercept will increase by 3 shifting the graph up 3 units.

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3 years ago
The speed of light is 3 x 10 8 meters per second (m/s). What is the speed of light in miles per year (mi/yr)
GenaCL600 [577]

Answer:

the  speed of light in miles per year is 5.88 × 10^12 mi / year

Step-by-step explanation:

The computation of the speed of light in miles per year is shown below;

As we know that

1 m/sec = 1 ÷ 1609  mi/sec

3 ×10^8 m/sec = (3 × 10^8) ÷ (1609)

= (3 × 10^8 × 60 × 60 × 24 × 365) ÷ (1609)

= 5.88 × 10^12 mi / year

Hence, the  speed of light in miles per year is 5.88 × 10^12 mi / year

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3 years ago
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pashok25 [27]

Answer:

x=-3

Step-by-step explanation:

Given:

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Distribute to remove parentheses:

4\frac{3}{10}-2\frac{2}{5}x-5\frac{1}{2}=-\frac{18}{10}x+\frac{6}{10}

For simplification and clarity, reduce all mixed numbers to simplified common fractions:

\frac{43}{10}-\frac{12}{5}x-\frac{11}{2}=-\frac{9}{5}x+\frac{3}{5}

Combine like terms:

-\frac{12}{5}x-\frac{6}{5}=-\frac{9}{5}x+\frac{3}{5}

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Divide both sides by -3/5 to isolate x (recall dividing by a number is equal to multiplying by its reciprocal):

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3 0
3 years ago
Part 3
oksian1 [2.3K]

1) 1/3

2) 5/13

3) 7/8

4) 5/9

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Find the value of 2x+y when x=4 and y3
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Replace the values of x and y into the equation.

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