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Nikolay [14]
3 years ago
12

Steps for the problem x-3y=-15x and x=-2y

Mathematics
1 answer:
solong [7]3 years ago
8 0

Answer:

Step-by-step explanation:

X-3y=-5x

(-2y)-3y=15(-2y)

-3y=15

y=-5

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A car dealership sells suv's and passenger cars. For a recent year, 90 more suv's were sold than passenger cars. If a total of 5
Lunna [17]

Answer:

300 SUVs were sold.

210 Passenger cars were sold.

Step-by-step explanation:

Let S denote the amount of SUVs sold and let P denote the amount of passenger cars sold.

The total amount of vehicles sold was 510, so:

S+P=510

90 more SUVs were sold than passenger cars. In other words:

S=90+P

We know have a system of equations. We can solve it buy substituting the second equation into the first. Thus:

90+P+P=510

Combine like terms:

2P+90=510

Subtract 90 from both sides:

2P=420

Divide both sides by 2:

P=210

So, the 210 passenger cars were sold.

This means that 210+90=300 SUVs were sold.

And we're done!

7 0
3 years ago
Pls help i only have 2 minutes!!!!!!!!!!!!!!
umka21 [38]

Answer:

40 + ( -63) is less

Step-by-step explanation:

.... .....

4 0
3 years ago
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Look at this graph: 10 9 8 7 6 5 3 2 1 х 0 1 2 3 4 5 6 7 8 9 10 What is the slope? Simplify your answer and write it as a proper
ollegr [7]

Step-by-step explanation:

the slope is 5 I think it is 5

3 0
3 years ago
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Caroline is going to bake a cake. It takes her 5 minutes to gather the ingredients, 15 minutes to mix the ingredients and 25 min
Dimas [21]

Answer:

8:50 A.M

Step-by-step explanation:

You have to add all the numbers.

Example:

5+15+25=45

45 Minutes + 5 Minutes= 50 Minutes=

8:50 A.M

5 0
3 years ago
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1 3/8 x 5/8 please help me!​
natulia [17]

Answer:

55/64

Step-by-step explanation:

convert mixed number into improper fraction

11/8×5/8

multiply the fractions

11/8×5/8

11×5=55

8×8=64

Answer: 55/64

6 0
3 years ago
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