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Gelneren [198K]
3 years ago
5

Can someone please help me answer this question ASAP.

Mathematics
1 answer:
WARRIOR [948]3 years ago
7 0

Answer:

(-8, -1)

Step-by-step explanation:

The problem tell us that y = -1.  Plug in this y-value to wherever you see a y in the first equation.  You should be able to solve from there.  Your solution will be (-8,-1).

-2x - 3(-1) = 19

-2x + 3 = 19

-2x = 16

x = -8

For this particular problem, you could have also looked at the answer choices and seen that there was only one answer with the correct y-value.

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Justify each step of the solution by stating the property that was used to get to each step.
trapecia [35]

For this case we have the following expression:

4.5 (8-x) + 36 = 102-2.5 (3x + 24)

Applying distributive property to the terms within parentheses we have:

36-4.5x + 36 = 102-7.5x-60

We add similar terms on both sides of equality considering that:

Equal signs are added and the same sign is placed.

Different signs are subtracted and the major sign is placed.

72-4.5x = 42-7.5x

We add 7.5x to both sides of equality:

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We subtract 72 from both sides of equality:

3x = -30

We divide between 3 on both sides of equality

x = -10

ANswer:

Distributive property

Add similar terms

Equality property of the sum

Equality subtraction property

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3 0
3 years ago
SOMEONE PLZ CONTACT Tswee123 and tell the zoribelle is asking them not to leave
Snowcat [4.5K]
Ok sounds good! Thanks for the points (there is just 25 tho)
3 0
2 years ago
Fie triunghiul ABC cu unghiul A=90* a) Daca AB= 4 cm si unghiul B=60*, aflati unghiul C, AC,BC; b) Daca AC=12cm sin sinB=0,6 , a
sergeinik [125]

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Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
PLEASE HELP I NEED AN ANSWER QUICK
juin [17]

Answer:

- first option is incorrect

- second option is correct

- third option is correct

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Step-by-step explanation:

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5 0
3 years ago
a rectangular jewelry box cost $125 to gold plate. calculate the cost of gold plating a box which is similar in shape and that h
Wewaii [24]
The cost of plating a rectangular jewelry box is $125, the cost of plating a similar box that is 8 times the size will be given by:
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Cost=125×8
Cost=$1000
Answer:$1000
3 0
3 years ago
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