3 years ago

What is -4+5x-17-22x simplified by combining like terms?

Mathematics

1 answer:

Lapatulllka [165]3 years ago

6 0

Answer:

-17x - 21

Step-by-step explanation:

-4 + 5x - 17 - 22x

(-4 - 17) + (5x - 22x)

(-21) + (-17x)

-17x - 21

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The net of a pyramid is shown below.

sveticcg [70]

Answer:

80 in^2

Step-by-step explanation:

8*4=32

32/2=16

16= One triangle

16*4 triangles=64

4*4=16

64+16=80

8 0

2 years ago

What is the value of A when we rewrite 2^x-6 + 2x as A * 2^x?

Leto [7]

Algebraic expressions are expressions that use numbers and variables

The value of A is 65/64

<h3>How to determine the value of A</h3>

The expression is given as:

$2^{x - 6} + 2^x$

Rewrite the expression as:

$2^{x - 6} + 2^x = \frac{2^x}{2^6} + 2^x$

Factor out 2^x

$2^{x - 6} + 2^x = 2^x(\frac{1}{2^6} + 1)$

Rewrite as product

$2^{x - 6} + 2^x = 2^x * (\frac{1}{2^6} + 1)$

The expression to compare with is given as: A * 2^x.

So, we have:

$A * 2^x =2^x * (\frac{1}{2^6} + 1)$

Divide both sides by 2^x

$A =\frac{1}{2^6} + 1$

Take LCM

$A =\frac{1 + 2^6}{2^6}$

$A =\frac{65}{64}$

Hence, the value of A is 65/64

Read more about expressions at:

brainly.com/question/4344214

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2 years ago

Out of 30 students are surveyed 17 have a dog based on these results predict how many of the 300 students in the school have a d

zubka84 [21]

$From\ proportion:\\
30\ students\ 17\ dogs\\
300\ students\ x\ dogs\\\\Cross\ multiplication\\
30x=300*17\\
30x=5100\ \ \ | divide\ by\ 30\\
x=170\\\\
There\ will\ be\ 170\ dogs\ for\ 300\ students.$

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The answer would Be C. Or B

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For the lunch it would be 20$

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