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DedPeter [7]
2 years ago
10

Solve the system of linear equations by substitution. y=-2+4x y=4+6x

Mathematics
1 answer:
r-ruslan [8.4K]2 years ago
7 0

Answer:

x = -3

y = -14

Step-by-step explanation:

4 + 6x = -2 + 4x

6x - 4x = -2 - 4

2x = -6

x = -3

y = -2 + 4(-3)

y = -14

y = 4 + 6(-3)

y = -14

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Write2.1 as a mixed number and as an improper fraction.<br> Do not try to simplify your answers.
Elden [556K]

Answer:

2 1/10 and 21/10

Step-by-step explanation:

2.1 is 2 + 0.1 when expanded.

2 is just 2 and then 0.1 as a fraction is 1/10. The mixed number would be                 2 1/10.

The improper fraction  is just 21/10 (convert the mixed number into improper form).

Converting from mixed number to improper: <u>Multiply the number in the front (in this case 2) by the denominator. </u>

<u />

<u>That is 2 x 10 which is 20. Then add that number (20) to the numerator. 20 + 1 is equal to 21. </u>

<u />

<u>21 would be our numerator and the denominator would stay the same (10). </u>

21/10 is the improper form.

8 0
3 years ago
Draw or add images here
Elodia [21]

Answer:

jonathan

Step-by-step explanation:

if for example jonathan spends 5 hours of homework or reading he'll get 3 hours of gaming. if lucas spends the same amount of time on homework or reading he'll only get 2 and a half hours playing.

8 0
2 years ago
Find the equation of the line.
hoa [83]

Answer:

y=3x+3

Step-by-step explanation:

To find the slope, find two points and use the rise over run.

Some points you can use are (0, 3) and (1, 6)

The rise is 3 and the run is 1.

3/1 = 1.

The slope is 3.

To find the y-intercept, find the point where x = 0.

(0, 3)

The y-intercept is 3.

Now you can write an equation.

y=mx+b

m is the slope and b is the y-intercept.

y=3x+3

5 0
3 years ago
At the start of the month, the value of an investment was $73.42. By the end of the month, the value of the investment changed b
Aleonysh [2.5K]

Answer:

0.8%.

Step-by-step explanation:

Given:

At the start of the month, the value of an investment was $73.42.

By the end of the month, the value of the investment changed by a loss of $13.53.

Question asked:

What was the value, in dollars, of the investment at the end of the month?

What was the percent loss?

Solution:

At the start of the month, the value of an investment = $73.42.

Loss = $13.53.

<u><em>The value, of the investment at the end of the month = The value of an investment at the start of the month - loss</em></u>

The value, of the investment at the end of the month = $73.42 - $13.53

                                                                                         = $59.89

Thus, the value, of the investment at the end of the month is $59.89.

Now, we will find percent loss:-

Percent\ loss = \frac{Loss}{value\ of \ investment\ at \ start}

                    =\frac{59.89}{73.42} \\=0.81\%

Thus, percent loss on investment by the end of the month is 0.8%.

7 0
3 years ago
FIRST RIGHT GETS BRAINLIESTTTTTTTT
Allushta [10]

Answer:

0

Step-by-step explanation:

-10 to -6 is 4 paces so you do 4 more paces and then half of that percent and you get 0.

7 0
3 years ago
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