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ipn [44]
3 years ago
10

Which expression is equivalent to 2(x + 7) – 18x + = ?

Mathematics
1 answer:
Blizzard [7]3 years ago
8 0

Answer:

-16x + 14 or 2(7-8x)

Step-by-step explanation:

= 2(x + 7) – 18x

= 2x + 14 -18x

= -16x + 14

or

= 2(7-8x)

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The measure of one side of a square is (8 + 3) inches long. Which pair of expressions both represent the perimeter this square?
tensa zangetsu [6.8K]

Given:

The side of a square a, s+3.

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\begin{gathered} P=s+3+s+3+s+3+s+3 \\ =4(s+3) \end{gathered}

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1 year ago
find the difference between the sum of all eight positive intergral divisors of 66 and the sum of all eight positive integral di
katrin [286]

The difference between the sum of all eight positive integral divisors of 66 and the sum of all eight positive integral divisors of 70 is zero.

<h3>How to find the difference between the integral divisors?</h3>

First let's find the integral divisors. We can write 66 as a product of prime numbers as:

66 = 33*2 = 2*3*11

Then the integral divisors of 66 are:

2

3

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1 (trivially)

66 (trivially)

The sum gives:

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70 = 7*10 = 2*5*7

Then the integral divisors are:

1

70

2

5

7

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The sum gives:

1 + 70 + 2 +5 + 7 + 10 + 14 + 35 = 144

Then the difference between these two sums is:

144 - 144 = 0

If you want to learn more about integral divisors:

brainly.com/question/4785696

#SPJ1

7 0
1 year ago
A triangular pyramid has a surface area of 174 square feet. It is made up of equilateral triangles with side lengths of 10 feet.
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Answer:

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Answer:

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Step-by-step explanation:

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jonny [76]
You can determine the shape if it is a triangle, square, rectangle, or hexagon (or other) by seeing how many sides it has.
a triangle has 3 sides.
a square has 4 sides.
a rectangle also has 4 sides.
a pentagon has 5 sides.
a hexagon has 6 sides.
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3 years ago
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