3 years ago

Write an expression that shows how to multiply 7x256 using expanded form and distributive property

Mathematics

1 answer:

Diano4ka-milaya [45]3 years ago

3 0

7(200 + 50 + 6) = (7 x 200) + (7 x 50) + (7 x 6) = 1,400 + 350 + 42 = 1,792

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NEED HELP ASAP PLEASE!!!!

tatiyna

Answer: $f(x) - g(x) = -2x^2-3x+15$

Step-by-step explanation:

To subtract functions, treat each function as a polynomial and subtract them as you would normally subtract polynomials.

$f(x) = -3x + 7\\g(x) = 2x^2 + 8$

$f(x) - g(x) = (-3x+7)-(2x^2-8)\\\\f(x) - g(x) = -3x-2x^2+15$

The correct answer is the fourth choice. It correctly subtracts the polynomials.

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4 years ago

(-9,9)and(-6,-3) find the slope

vovangra [49]

The slope is found as follows:
$\frac{9-(-3)}{-9-(-6)}=-4$
The answer is: slope = -4.

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4 years ago

Translate the sentence to an equation,<br> The sum of 12 and m is 23.

Semmy [17]

Answer:

$12+m=23$

or $m-11=12$

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4 years ago

Read 2 more answers

What is 7n-20=9(4n+1) ????

SIZIF [17.4K]

$7n-20=9(4n+1)\ \ \ \ | omit\ the\ bracket\\\\
7n-20=36n+9\ \ \ | add\ 20\\\\
7n=36n+29\ \ \ | subtract\ 36n\\\\
-29n=29\ \ \ | divide\ by\ -29\\\\
n=-1\\\\Solution\ is\ n=-1.$

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3 years ago

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A study by a group of cardiologists determined that maximal heart rate in humans, a parameter used as a basis for prescribing ex

aksik [14]

Answer:

208 - 0.7a < 180

Step-by-step explanation:

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