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3 years ago

Use properties of operations to complete the equivalent expression. 8 (8+w) = w +

Mathematics

1 answer:

horrorfan [7]3 years ago

4 0

Answer:

oOoOoO what's brainliest?, can i have it?

Step-by-step Explanation:

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What is the answer to 38-19+12

Naily [24]

The answer is 31.

38 - 19 = 19

19 + 12 = 31.

5 0

4 years ago

I need to find x by factoring but I was absent the day we reviewed and forgot from last year: the question is: If x^2+3x = 9x -8

rosijanka [135]

x²+3x = 9x - 8

Subtract 9x on both sides

x² - 6x = -8

Add 8 on both sides

x² - 6x + 8 = 0

Now you need to find the factors of 8(numbers that multiply to equal 8) that add or subtract to -6.

Factors of 8: 1, 2, 4, 8

2 and 4 add up to 6, if they are both negative they equal -6.

(x - 2)(x - 4) = 0

x - 2 = 0

x = 2

x - 4 = 0

x = 4

x = 2, x = 4

5 0

3 years ago

Okie help help math math math

liraira [26]

Answer:

$\displaystyle y = -3x + 9$

Step-by-step explanation:

First, find the rate of change of the line:

$\displaystyle \frac{-y_1 + y_2}{-x_1 + x_2} = m \\ \\ \frac{-6 + 3}{-1 + 2} = m \hookrightarrow \frac{-3}{1} = m \\ \\ \boxed{-3 = m}$

_______________________________________________

Now plug all the information into the Slope-Intercept Formula. It does not matter which ordered pair is chosen:

$\displaystyle 3 = -3[2] + b \hookrightarrow 3 = -6 + b; 9 = b \\ \\ \boxed{\boxed{y = -3x + 9}} \\ \\ OR \\ \\ 6 = -3[1] + b \hookrightarrow 6 = -3 + b; 9 = b \\ \\ \boxed{\boxed{y = -3x + 9}}$

I am joyous to assist you at any time.

3 0

3 years ago

Hazel is putting together charm bracelets. For each bracelet she uses

Reika [66]

Answer:

37/96

Explanation:

Hazel uses 1yd for 60 charms, so for 5/8yd she would use 5/8×60=37.5.

Because she can’t use a fraction of a charm, she would use 37 charms which is 37/96 of the charms she has.

3 0

4 years ago

A cereal box is a rectangular prism that is 8 inches long and 2 1/2 inches wide. The volume of the box is 200in3. What is the he

Zarrin [17]

Answer:

$Height=10\, inches$

Step-by-step explanation:

Volume of a Rectangular Prism is :

$Length\times Width \times Height$

For,

$Volume=200\,inch^3\\\\Length= 8\,inches\\\\Width=2\dfrac{1}{2}=\dfrac{5}{2}\\\\ Height=?\\$

$200=8\times \dfrac{5}{2}\times Height\\\\ 200=4\times 5\times Height\\\\200=20\times Height\\\\Height=\dfrac{200}{20}\\\\ Height=10\,inches$

The Height of the rectangular prism is: $10\,inches$

7 0

3 years ago

Use properties of operations to complete the equivalent expression. ​8 (8+w) = __w + __

Use properties of operations to complete the equivalent expression. 8 (8+w) = w +