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likoan [24]
3 years ago
8

Evaluate if x = -2.5-4x​

Mathematics
1 answer:
Sidana [21]3 years ago
6 0
Replace x with -2: 5-4(-2)
Multiply: -4 times -2 equals 8
Subtract: 5-8=3
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How would the sum of cubes formula be used to factor x3y3+343? Explain the process. Do not write the factorization.
Zepler [3.9K]

x^3y^3 + 343

The way the sum of cubes works is by taking the roots of each term and applying the formula.

The sum of cubes is as follows:

a^3 + b^3 = (a + b)(a^2 - ab + b^2)

In this case, we would display it like this:

x^3y^3 + 343 = (xy + 7)(x^2y^2 - 7xy + 49)


7 0
4 years ago
Read 2 more answers
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Masteriza [31]

Answer:

36/6 and 6/1 is equivalent

20/5 and 3/1 is not equivalent

18/3 and 9/1 is not equivalent

35/7 and 5/1 is equivalent

32/4 and 8/1 is equivalent

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Step-by-step explanation:

36 divided by 6 is 6.

20 divided by 5 is 4.

18 divided by 3 is 6.

35 divers by 7 is 5.

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100 divided by 10 is 10.

8 0
3 years ago
Write an equation in point slope form that passes through (3,-1) and has a slope of 2?
dusya [7]

Answer:

y+1 = 2 (x -3)

Step-by-step explanation:

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Y - Y1 = m ( x - x1)

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since the y value is negative, double negative is positive so instead of minus 1 it would be plus 1

7 0
3 years ago
Which of the following measurements are less than 5 feet? Select all that apply.
Dafna1 [17]

Answers:

A) 56 Inches

B) 1 Yard

Explanation:

A) 56 Inches is 4.6 Feet

B) A Yard is 3 Feet

Note:

C) 1 Yard 2 Feet is exactly 5 feet but not less than five as its equal.

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A bell curve ____ <br> A. Normal Distribution<br> B. Negatively Skewed<br> C. Positively Skewed
salantis [7]
It should be A. Normal Distribution. 
8 0
3 years ago
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