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3 years ago

Simplify 6 to the 3rd

Mathematics

1 answer:

elixir [45]3 years ago

7 0

Answer:

Isnt it 2?

Step-by-step explanation:

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4,7,10,13 which has an odd product

Flauer [41]

7 & 13 have an odd product.

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4 years ago

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What is 12 1/2% less than $80? I hope you're havin' a good day.

Rom4ik [11]

Answer:

12.5% less than 80 = 10

Step-by-step explanation:

Step 1: Our output value is 80.

Step 2: We represent the unknown value with x.

Step 3: From step 1 above, 80=100%

Step 4: Similarly, x=12.5%

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3 years ago

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Please teach me on how to answer this question. (addmath question)

arsen [322]

We know that $\overline{x}=8$ so:

$\overline{x}=8\\\\\\\dfrac{\sum\limits_{k=1}^7\,x_k}{7}=8\qquad|\cdot7\\\\\\ \boxed{\sum\limits_{k=1}^7\,x_k=56}$

We want to calculate:

$\sum\limits_{k=1}^7\,\big(2x_k-3\big)^2=\sum\limits_{k=1}^7\,\big(4x_k^2-12x_k+9\big)=\\\\\\=\sum\limits_{k=1}^7\,4x_k^2-\sum\limits_{k=1}^7\,\big12x_k+\sum\limits_{k=1}^7\,9=4\sum\limits_{k=1}^7\,x_k^2-12\sum\limits_{k=1}^7\,x_k+\sum\limits_{k=1}^7\,9=\\\\\\=4\cdot672-12\cdot56+7\cdot9=2688-672+63=\boxed{2079}$

5 0

3 years ago

9. Lines A and B are parallel lines. Find the measures of angles 1, 2 and 3.

Reika [66]

Answer:

<1 = 33

<2 = 90

<3 = 57

Step-by-step explanation:

<3 = 57 because of alternate interior angles

<2 + <3 + 33 = 180

<2 + 57 + 33 = 180

<2 + 90 = 180

<2 = 90

<1 + <2 + 57 = 180

<1 + 90 + 57 = 180

<1 + 147 = 180

<1 = 33

3 0

3 years ago

The perimeter of a rectangle is 26 inches. the length of the rectangle is 1 more than three times the width. how many inches lon

Gennadij [26K]

I GOT IT
3 = width
10 = length

Hope this helped :)

3 0

3 years ago