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vredina [299]
4 years ago
14

Negative 2X minus 2X equals 10+ 6X

Mathematics
2 answers:
Kay [80]4 years ago
8 0
The corrrct answer is x= -1

bogdanovich [222]4 years ago
5 0
-2x-2x=10+6x
x=-1
you have to subtract the 6x

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What is 700,000 + 9,000 + 60 + 7 in standard form?
bogdanovich [222]

Answer:

709067 would be your answer in standard form.

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3 years ago
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Given f(x)=3x+4, find f(2)
eduard

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-2/3

Step-by-step explanation:

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PLEASE ANSWER WITH AN EXPLANATION! THANK YOU
lubasha [3.4K]

Answer:

\large\boxed{A=153\ cm^2}

Step-by-step explanation:

<em>Look at the picture.</em>

We have

square with side length a = 9

trapezoid with base lengths b₁ = 9 and b₂ = 6 and the height length h = 6

right triangle with legs lengths l₁ = 3 + 6 = 9 and l₂ = 6

The formula of an area of a square

A=a^2

Substitute:

A_I=9^2=81\ cm^2

The formula of an area of a trapezoid:

A=\dfrac{b_1+b_2}{2}\cdot h

Substitute:

A_{II}=\dfrac{9+6}{2}\cdot6=\dfrac{15}{2\!\!\!\!\diagup_1}\cdot6\!\!\!\!\diagup^3=(15)(3)=45\ cm^2

The formula of an area of a right triangle:

A=\dfrac{l_1l_2}{2}

Substitute:

A_{III}=\dfrac{(9)(6)}{2}=\dfrac{54}{2}=27\ cm^2

The area of the shape:

A=A_I+A_{II}+A_{III}\\\\A=81+45+27=153\ cm^2

8 0
3 years ago
The sum of two numbers is 23. The first number is 3/20 of the second number. What are the numbers?
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Answer:

Here's what i know:

x + y = 23

3y / 20 =x

 

Here we can use substitution to help find our answer:

y + 3y/20 = 23

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23y/20 = 23

23y = 23 * 20

y = 23 * 20 / 23

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x + 20 = 23

x = 3

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3 years ago
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Which of the following could not be true for a function?
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C. hope this helps :::)
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3 years ago
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