3 years ago

What is the equation of the line that passes through (-1, 4) and ( 2, -8) written in slope-intercept form?

1 answer:

4 0

The answers tell you the y-intercept is zero, so all you need to do is choose the appropriate slope. Since y/x = -4, ...
.. selection A is appropriate.

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Samantha loves to download new music. She originally had 52 songs but plans to purchase 2 new songs each week. She wants to know

Nat2105 [25]

$a_1=52\\
d=2\\
n=93\\\\
a_n=a_1+(n-1)\cdot d\\\\
a_{93}=52+(93-1)\cdot2=52+2(93-1)
$

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3 years ago

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What is the answer to what X is?

solmaris [256]

Answer:

$x=3$

Step-by-step explanation:

By the exterior angle theorem,

$(45x)\degree=(57+x)\degree+(26x)\degree$

Group like terms and solve for x.

$45x-26x-x=57$

$19x=57$

Divide both sides by 19;

$x=3$

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2 years ago

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A store has a sale on t-shirts and jeans, in which t-shirts cost $4 and jeans cost $15. If the store wants to sell more than $80

fgiga [73]

Answer:

I think its D

Step-by-step explanation:

It is between A&D but it just depends on if it says equal to or not and if not then it's D

7 0

3 years ago

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4 < 4x- 16<br> Please answer!

anzhelika [568]

Answer:

First you need to get your variable(x) by itself.

You do that by adding 16 to both sides of the greater than sign.

The 16 cancels or goes away. and 16 + 4 =20.

Your new equation is 20<4x

Finally you divide 20 by 4 to get 5

Your answer is 5<x or x>5.

6 0

2 years ago

Show that point (pi/3,1/2) is on the curve of y=cosx

jarptica [38.1K]

Here y=1/2 x=pi/3=60°

y=cosx
1/2=cos60° and cos60°=1/2
so LHS=RHS

so that point is on curve y=cosx

6 0

3 years ago