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ValentinkaMS [17]
3 years ago
11

18x + 3y = -21 slope intercept form​

Mathematics
1 answer:
jolli1 [7]3 years ago
5 0

Answer: y=-6x-7

Step-by-step explanation:

Slope-intercept form is y=mx+b. This means, we want to isolate y.

18x+3y=-21                   [subtract both sides by 18x]

3y=-18x-21                    [divide both sides by 3]

y=-6x-7

Now, our equation is in slope-intercept form.

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Marco walked 27/100 kilometer to the park. then he walked 3/10 kilometer to the library. What fraction of a kilometer did he wal
liubo4ka [24]

Answer:57/100

Step-by-step explanation:

First, convert 3/10 into hundreths to get a denominator equal to the other:

3/10 km = 30/100km

Add the numerators: 27+30=57

Place numerator over common denominator: 57/100

3 0
3 years ago
Replace the ? By < or >
Contact [7]

Answer:

>

Step-by-step explanation:

-3 ? \frac{19}{5}

-3 ? -3.8

-3 is greater than -3.8

i.e -3 > -3.8

3 0
3 years ago
NEED ANSWER ASAP!!!!
lesya692 [45]

Answer:

1st option

Step-by-step explanation:

To find the difference of the given matrices, we just need to subtract the corresponding elements of the two matrices as shown below:

\left[\begin{array}{cc}-4&8\\3&12\end{array}\right] -\left[\begin{array}{cc}2&1\\-14&15\end{array}\right] \\\\ \\ =\left[\begin{array}{cc}-4-2&8-1\\3-(-14)&12-15\end{array}\right]\\\\ \\ =\left[\begin{array}{cc}-6&7\\17&-3\end{array}\right]

Thus, 1st option gives the correct answer

7 0
3 years ago
Read 2 more answers
How do i graph q is greater than -1.3 on a number line
kompoz [17]

Answer:

an open circle on -1.3 on the line and draw a line to the right with an arrow.

Step-by-step explanation:

On your number line, draw an open circle on -1.3 and then draw a line on the number line going to the right and ending with an arrow at the end.  The open circle means that it is that starting point, but is not equal to it.

5 0
3 years ago
Multiply the following<br>1)34/7×3<br>2)3/8×7<br>3)3/4×7​
Gelneren [198K]

Answer:

1) 102/21

2) 21/51

3) 21/24

Step-by-step explanation:

7 0
3 years ago
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