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3 years ago

Select all ratios equivalent to 10:2.

Mathematics

2 answers:

Butoxors [25]3 years ago

7 0

Answer:

5:1

Step-by-step explanation:

storchak [24]3 years ago

3 0

What’s your answers?

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A line with points (-4.0) and (-3.1) has a slope of?

pychu [463]

Slope is the change in y over the change in x

Slope = (1-0) /( -3 - -4)

Slope = 1/1

Slope = 1

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3 years ago

Change the following to pounds: a) 10 kg b) 25 kg What is 10kg as punds

balandron [24]

Answer:

22.046 lbs

Step-by-step explanation:

10kg is rounded to 22 pounds

6 0

2 years ago

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Simplify this equation Thanks a lot!!!

den301095 [7]

Answer:

-1

Step-by-step explanation:

We need to simplify the given expression . The given expression is ,

$\rm\implies ( 2 \sqrt6 +5)^{2n-1} ( 2\sqrt6 - 5)^{2n-1}$

Here we can see that the power of the both exponent is same that is (2n+1) . Recall the property of exponents ,

$\bf\implies a^m \times b^m = (ab)^m$

Using this property , we have ,

$\rm\implies ( 2 \sqrt6 +5)^{2n-1} ( 2\sqrt6 - 5)^{2n-1}$

This can be written as ,

$\rm\implies\{( 2 \sqrt6 +5) ( 2\sqrt6 - 5)\}^{2n-1}$

Simplifying using ( a+b)(a-b) = a² - b² ,

$\rm\implies\{( 2 \sqrt6)^2 -5^2 \}^{2n-1}\\\\\rm\implies ( 24 - 25)^{2n-1}$

Subtracting the numbers inside the brackets ,

$\rm\implies (-1)^{2n - 1 }$

Now we know that every odd number is in the form of 2n -1 , where n is any integer. Therefore , the power is odd .

Since the base is (-1) , for even power it is 1 and for odd power it is -1 . Therefore the final answer is ,

$\rm\implies\boxed{\quad \red{ -1 }\quad }$

Hence the required answer is (-1) .

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3 years ago

. Sameera can jump 5 steps at a time and Nilima can jump 6 steps at a time. On which of the steps will both meet if both start j

4vir4ik [10]

Answer:

Step-by-step explanation:

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3 years ago

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If a student did not travel to a Spanish-speaking country, how many times more likely is it that the student did not take Spanis

olasank [31]

Answer:

It is 2.2 times as likely.

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3 years ago