3 years ago

4 of 204 of 20 Questions

Mathematics

1 answer:

Licemer1 [7]3 years ago

7 0

Answer:

y= -13x+77

Step-by-step explanation:

Parallel lines do not share any points but have the same slope.

First, put the equation y-5=-13(x+2) into slope-intercept form.

y= -13x-21

Slope= -13x

Y-Intercept= (0,-21)

Now that we know the slope...

y-(-1)=-13(x-6)

becomes

y+1=-13x+78

y-1=-13x+78-1

y=-13x+77

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A Web music store offers two versions of a popular song. The size of the standard version is 2.8 megabytes (MB). The size of the

Serga [27]

Answer:

Number of high quality version downloads = 880

Step-by-step explanation:

Let,

x be the number of standard version songs downloaded

y be the number of high quality version songs downloaded

According to given statement,

x+y=1600 Eqn 1

2.8x+4.1y=5624 Eqn 2

Multiplying Eqn 1 by 2.8 to eliminate x

2.8(x+y=1600)

2.8x+2.8y=4480 Eqn 3

Subtracting Eqn 3 from Eqn 2

(2.8x+4.1y)-(2.8x+2.8y)=5624-4480

2.8x+4.1y-2.8x-2.8y=1144

1.3y=1144

Dividing both sides by 1.3

$\frac{1.3y}{1.3}=\frac{1144}{1.3}\\y=880$

Hence,

Number of high quality version downloads = 880

3 0

3 years ago

a furniture shop refinishes cabinets. employees use one of two methods to refinish each cabinet. method 1 takes .5 hours and mat

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3 years ago

X2-2xy+y2=30 solve the equation

Rom4ik [11]

Answer:

2.1

Step-by-step explanation:

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3 years ago

Can someone help me with this question?<br> 16 + (c + 17) = (16 + c) + 17

Furkat [3]

Answer:

c=∞

Step-by-step explanation:

Well first step we can add 16+17 on both sides

33+c=33+c

-33 -33

c=c

The answer is infinity

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3 years ago

After eating dinner at the local diner, your bill is $14.25. if you tip 10%, how much money will you leave the waiter?

yarga [219]

10% of $14.25 = $ 1.425
$1.40

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3 years ago

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