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3 years ago

Is this an expression or an equation? n+6 A. Expression B. Equation

Mathematics

2 answers:

ziro4ka [17]3 years ago

8 0

Answer:

This is an Expression

Step-by-step explanation:

WITCHER [35]3 years ago

5 0

Answer:

A. Expression

Step-by-step explanation:

In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.

An equation is a mathematical statement that two things are equal. It consists of two expressions, one on each side of an 'equals' sign.

I really hope this helps, good luck! <3

-YAND3R3

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Perpendicular to y=2x+9 and has the point (4,-1)

Wewaii [24]

Answer: y = $-\frac{1}{2}$ x + 1

Step-by-step explanation:

First, we will find the slope. The slope of perpendicular lines are negative reciprocals.

In this case, the first slope is 2. The negative of 2 is -2, and the reciprocal of -2 is $-\frac{1}{2}$ .

Now, we will plug in this new slope, the point given, and solve for the b, or the y-intercept.

y = mx + b

(-1) = ( $-\frac{1}{2}$ )(4) + b

-1 = -2 + b

1 = b

Lastly, we will write our equation.

y = mx + b

y = $-\frac{1}{2}$ x + 1

The line is y = $-\frac{1}{2}$ x + 1, or y = 1 - $\frac{x}{2}$ .

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2 years ago

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How was your day?! Mine was awesome now it’s your turn to tell me!

Gelneren [198K]

My day was good lol thanks for askinggg

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3 years ago

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Jane gets paid $120 for 8 hours. How much does she get paid an hour?

AleksAgata [21]

Answer:

$15 an hour

Step-by-step explanation:

To find this, we divide 120 by 8.

120 ÷ 8 = 15

So Jane gets $15 an hour

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3 years ago

Solve equation by factoring.

3241004551 [841]

Hi ;-)

$x^2+6x-10=30 \ \ /-30\\\\x^2+6x-40=0\\\\a=1, \ b=6, \ c=-40\\\\\Delta=b^2-4ac=6^2-4\cdot1\cdot(-40)=36+160=196\\\\\sqrt{\Delta}=\sqrt{196}=14\\\\x_1=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-6-14}{2}=\boxed{-10}\\\\x_2=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-6+14}{2}=\boxed4$

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3 years ago

Write the next three terms of the arithmetic sequence.

Inga [223]

Answer:

36, 44, 52

Step-by-step explanation:

Just add 8 to 28 = 36

Add 8 to 36 = 44

Add 8 to 44 = 52

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3 years ago

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