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love history [14]

2 years ago

15

If a car travels at a speed of 25 miles an hour for t hours then travels 45 miles an hour What does the expression D + 1.5 repre

sent?

1 answer:

solmaris [256]2 years ago

3 0

Kdkshdjdkskssksksksjsj sksksksksksjsjnszjjxjddjdjdjdjndjdd dnjdjejejsjss sksksksksksjsjnszjjxjddjdjdjdjndjdd s sjsjsj

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PLEASE HELP<br> ANSWER SERIOUSLY

alex41 [277]

Answer:

raise a product to a power.

you first simplify the parenthesis in the numerator by raising 2 by the power of three and multiplying the exponents.

i suck at explaining, but after the first step the expression looks like:

$(\frac{8r^{6}t^{3} }{4t^{2} })^{2}$

Step-by-step explanation:

5 0

2 years ago

PLEASE HELP!!!!!! ILL MAKE BRAINLIEST

lesya692 [45]

Answer:

x = 17

Step-by-step explanation:

75 = 4x + 7

68 = 4x

x = 17

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2 years ago

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Calculate the length of the circumference of a circle with diameter of 8cm

stiks02 [169]

Multiply 8 with pi since the equation for circumference is 2pi(r), or d(pi). The answer is 25.13

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2 years ago

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Plz help me help help

mylen [45]

in order to solve these equations, you need to divide the number by the varible. so #5 is 2.5y=5. you would divide 5 by 2.5, to get 2. the answer would be y=2

8 0

2 years ago

Please tell me how you got it.

yawa3891 [41]

<u>Answer-</u>

$-70\%$

<u>Solution-</u>

The given data as follows,

$-70\%,\ 0.34,\ -\dfrac{2}{5},\ 0.96\%$

After converting all the percentages and fractions to decimal, we can compare them all.

For converting percentages to decimal to divide the number by 100, so

$-70\%=\dfrac{-70}{100}=-0.70,\\\\0.96\%=\dfrac{0.96}{100} =0.0096$

Then converting the fraction into decimal,

$-\dfrac{2}{5}=-\dfrac{2\times 20}{5\times 20}=-\dfrac{40}{100}=-0.40$

As, all the numbers are converted into decimal, now comparing all the numbers,

$-0.70$

$-70\%$

8 0

2 years ago