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Mazyrski [523]
3 years ago
12

Find the equation of the line that is parallel to the line y=-3x-7 and passes through the point (1,2). Write an equation in slop

intercept form
Mathematics
1 answer:
marysya [2.9K]3 years ago
4 0

Answer:

y=-3x+5

Step-by-step explanation:

y=-3x-7

slope is -3

parallel lines have the same steepness, they have the same slope.  The slopes are equal.

y-y1=m(x-x1)

y-2=-3(x-1)

y-2=-3x+3

y=-3x+3+2

y=-3x+5

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Write the equation y= -1/3x -5 in standard form.
melomori [17]

Answer:

Standard form is another way to write slope-intercept form (as opposed to y=mx+b). It is written as Ax+By=C. You can also change slope-intercept form to standard form like this: Y=-3/2x+3. Next, you isolate the y-intercept(in this case it is 3) like this: Add 3/2x to each side of the equation to get this: 3/2x+y=3.

Step-by-step explanation:

Standard form is another way to write slope-intercept form (as opposed to y=mx+b). It is written as Ax+By=C. You can also change slope-intercept form to standard form like this: Y=-3/2x+3. Next, you isolate the y-intercept(in this case it is 3) like this: Add 3/2x to each side of the equation to get this: 3/2x+y=3.

5 0
3 years ago
Select all number combinations that COULD make a triangle
tester [92]

Answer:

2 cm, 9 cm, 10 cm

Step-by-step explanation:

To know if a combination is a triangle all you have to do is see if the combinations add up to 180

(2)(9)(10)=180 therefore it is a triangle.

All the other angles do not add up to 180 so they can't be triangles!!

(4)(10)(3) =120

(5)(6)(11) =330

(4)(5)(7) =140

4 0
3 years ago
Which graph represents the solution set of this inequality?
Alenkinab [10]

Answer:

Choice A

Step-by-step explanation:

Hopefully this helps!

7 0
2 years ago
Read 2 more answers
5x + 2 &lt;22<br> Inequality
rjkz [21]

Answer:

the answer to the inequality is

Step-by-step explanation:

x = 3

7 0
3 years ago
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Evaluate and show work 1/2 divided by 36 + 16 times 1/72
Gwar [14]

Answer:

17/72

Step-by-step explanation:

Let's make this equation easier to read.

.5/36 + 16(1/72)

Start by remembering PEMDAS

Parentheses

Exponents

Multiply

Divide

Add

Subtract

This is the order in which you will solve the problem. So multiplication first, then division, and finally addition.

Multiply 16 and 1/72

16/1 x 1/72  multiply across to get 16/72 which can be reduced to 2/9.

Divide .5 (or 1/2) by 36. To do this, multiply by the reciprocal of 36

1/2 x 1/36 = 1/72

Your equation is now

2/9 + 1/72

Your common denominator is 72, so multiply top and bottom of 2/9 by 8.

16/72 + 1/72 = 17/72

6 0
3 years ago
Read 2 more answers
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