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3 years ago

This is on claskick 7th grade 7(m +2n) 7( )+ 7 ( )

Mathematics

1 answer:

mixer [17]3 years ago

5 0

Answer: 7(m+2m) is equal to 7(m) + 7(2m)

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Which polynomial is in standard form?

Romashka-Z-Leto [24]

Answer:

Step-by-step explanation:

Standard form is [ ax² + bx + c ]

The exponents and variables determine what comes first. In [ 11x³ - 6x² + 5x ], we can see that the exponents are going from greatest to least and the last number doesn't have an exponent so it goes last. Essentially we can think of this as sorting each part from greatest to least using exponents -> variables -> number to determine that.

Best of Luck!

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3 years ago

Only the mr. William problems please!!

telo118 [61]

38 - 171 divided by 19 times 2

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3 years ago

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Can someone please answer this???? ASAP

timofeeve [1]

Answer:

A. $y=-\dfrac{8}{7}x-\dfrac{18}{7}$

Step-by-step explanation:

Let $y=mx+b$ be the equation of the perpendicular line.

Two perpendicular lines have slopes with product equal to -1. The slope of the given line is $\frac{7}{8}$ Hence,

$\dfrac{7}{8}\cdot m=-1\\ \\m=-\dfrac{8}{7}$

is the slope of needed line.

This line passes through the point (-4,2), so its coordinates satisfy the equation:

$2=-\dfrac{8}{7}\cdot (-4)+b\\ \\b=2-\dfrac{32}{7}=-\dfrac{18}{7}$

Therefore, the equation of the line is

$y=-\dfrac{8}{7}x-\dfrac{18}{7}$

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2 years ago

Need help with all parts please show you work for each part

bezimeni [28]

Vinegar is the x or horizontal oil is the y or vertical
$\frac{3}{2} = \frac{y}{x} \\ 3x = 2y \\ y = \frac{3}{2} x$
the point represent the amount of vinegar and oil so for 1 tbsp vinegar you need 1.5tbsp oil

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2 years ago

julio says if you subtract 15 from my number and multiply the difference by -7, the result is -42 what is julio number

natali 33 [55]

Answer:

-10

Step-by-step explanation:

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3 years ago

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