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riadik2000 [5.3K]
3 years ago
15

Solve the system of linear equations by elimination. 2x – y=0 3x – 2y = -3

Mathematics
1 answer:
devlian [24]3 years ago
6 0

Answer:

Point form: (3,6)

Equation form: x=3, y=6

Step-by-step explanation:

Add the equations in order to solve for the first variable. Then plug this value into the other equations in order to solve for the remaining variables.

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What is the volume of the figure
lana [24]

Answer:

The answer would be D. 14 cm block

Step-by-step explanation:

if you count all the blocks the you get 14. this is the total number of cm blocks.

6 0
2 years ago
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Write the standard form of the equation of line through (3, -1) with a slope of -1.
kirill115 [55]

The standard form of a line: Ax+By=C.

The point-slope form: y-y_1=m(x-x_1)

We have the point (3, -1) and the slope m = -1. Substitute:

y-(-1)=-1(x-3)

y+1=-x+3                    <em>add x to both sides</em>

x+y+1=3             <em>subtract 1 from both sides</em>

\boxed{x+y=2}

5 0
3 years ago
The nth term of a sequence is -3-3n what is the 6th term
Serga [27]

Answer:

-21

Step-by-step explanation:

if for s(n) = -3-3n

then s(6) = -3-3*6 = -3-18 = -21

8 0
3 years ago
If you flip two coins 28 times, what is the best prediction possible for the number of times both coins will land on tails?
kifflom [539]

Answer:

7

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6 0
3 years ago
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Two payment options to rent a car: You can pay $20 a day plus 25¢ a mile (Option A) or pay $10 a day plus 50¢ a mile (Option B).
BaLLatris [955]

You must drive more than 40 miles to make option A the cheaper plan

<em><u>Solution:</u></em>

Two payment options to rent a car

Let "x" be the number of miles driven in one day

<em><u>You can pay $20 a day plus 25¢ a mile (Option A)</u></em>

25 cents is equal to 0.25 dollars

OPTION A :  20 + 0.25x

<em><u>You pay $10 a day plus 50¢ a mile (Option B)</u></em>

50 cents equal to 0.50 dollars

Option B: 10 + 0.50x

<em><u>For what amount of daily miles will option A be the cheaper plan ?</u></em>

For option A to be cheaper, Option A must be less than option B

Option A < Option B

20 + 0.25x < 10 + 0.50x

Solve the inequality

Add -0.50x on both sides

20 +0.25x -0.50x < 10 + 0.50x - 0.50x\\\\20 - 0.25x < 10

Add - 20 on both sides,

20 - 0.25x - 20 < 10 - 20\\\\-0.25x < -10

\mathrm{Multiply\:both\:sides\:by\:-1\:\left(reverse\:the\:inequality\right)}

0.25x > 10

Divide both sides by 0.25

x > 40

Thus you must drive more than 40 miles to make option A the cheaper plan

7 0
2 years ago
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