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3 years ago

5

Roberto hikes 21.48 miles on one weekend. The next weekend he hikes 30 miles. How much less is the distance he hiked on the firs

t weekend than the distance he hiked on the second weekend?

2 answers:

Alex Ar [27]3 years ago

8 0

Answer:

he hiked 8.52 more =)

Step-by-step explanation:

Alinara [238K]3 years ago

8 0

Answer

8.52

Step-by-step explanation:

30 - 21.48 = 8.52

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What is 1/4 divided by 9/10 rewritten with an important fraction?

lutik1710 [3]

Step-by-step explanation:

${:}\hookrightarrow\sf \dfrac {1}{4}\div \dfrac {9}{10}$

${:}\hookrightarrow\sf \dfrac {1}{4}\times \dfrac {10}{9}$

${:}\hookrightarrow\sf \dfrac {10}{36}$

${:}\hookrightarrow\sf \dfrac {5}{18}$

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3 years ago

Find the Sum/Difference of the following integers. 1. -2 + 9 =

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Answer:

1. 7

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3 years ago

Can you help me to solve this

Ber [7]

Answer:

$\frac{4a-2}{2a+1}$

Step-by-step explanation:

Factorise the numerator and denominator

8a² - 2 ← factor out 2 from each term

= 2(4a² - 1) ← 4a² - 1 is a difference of squares

= 2(2a - 1)(2a + 1)

4a² + 4a + 1 ← is a perfect square

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Thus

$\frac{8a^2-2}{4a^2+4a+1}$

= $\frac{2(2a-1)(2a+1)}{(2a+1)(2a+1)}$ ← cancel (2a + 1) on numerator/ denominator

= $\frac{2(2a-1)}{2a+1}$

= $\frac{4a-2}{2a+1}$

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3 years ago

Read 2 more answers

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Greeley [361]

Well for the first one,
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3 years ago

A pan of brownies is 7/10 full. Tyreese buys 2/5 of the brownies.

elixir [45]

Answer:

The answer to your question is below

Step-by-step explanation:

See the picture, please

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After Tyreese bought 2/5 (7/10 - 2/5 = 3/10) there are 3 brownies left.

So in the picture, we notice only 3 brownies in a pan for 3 brownies.

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3 years ago