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shusha [124]
3 years ago
14

Write an equation in slope-intercept form for this line.

Mathematics
1 answer:
sineoko [7]3 years ago
7 0

Answer:

y = \frac{3}{2} x - 1

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = \frac{3}{2} , then

y = \frac{3}{2} x + c ← is the partial equation

To find c substitute (- 4, - 7 ) into the partial equation

- 7 = - 6 + c ⇒ c = - 7 + 6 = - 1

y = \frac{3}{2} x - 1 ← equation of line

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PLEASE HELP ASAP!!!
Alborosie

Answer:

(2,6)

Step-by-step explanation:

Since its reflecting on the y axis, the rule for that is (-x,y) for x the sign changes, and y stays the same. The coordinates for Q are (-2,6) and when you use the rule itll come out to (2,6)

4 0
3 years ago
Solve: simultaneous equations <br> 3x + 4y = 27<br> x + 4y = 17
Leni [432]

Answer:

x = 5, y = 3

Step-by-step explanation:

<u>Elimination method: (I will be eliminating 4y) </u>

3x + 4y = 27 --- Equation 1

x + 4y = 17 --- Equation 2

Equation 1-2: 3x + 4y - x - 4y = 27 - 17

2x = 10

x = 10 ÷ 2

x = 5

Substitute x = 5 into Equation 2:

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4y + 5 = 17

4y = 17 - 5

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y = 12 ÷ 4

y = 3

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4 years ago
Oliver completed his project in no more than twice the amount of time it took Karissa to complete her project. Oliver spent 4 an
Nonamiya [84]

Answer:

4 1/4 <_ 2K

Step-by-step explanation:

4 0
4 years ago
Read 2 more answers
Jessie estimated the weight of his cat to be 12 pounds. The actual weight of the cat is 15 pounds.
Studentka2010 [4]

Answer:

20%

Step-by-step explanation:

% of error is given by the following formula:

% Error = \frac{|\textrm {Approx Value  - Exact Value}|}{\textrm {Exact Value}} \times 100

Now, Jessie estimated the weight of his cat to be 12 pounds i.e. Approximate value is 12 pounds.

Again, The actual weight of the cat is 15 pounds i.e. the exact value is 15 pounds.

Therefore, the % error = \frac{|12 - 15|}{15} \times 100 = \frac{3}{15} \times 100 = 20% (Answer)

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3 years ago
A cone with a surface area of 15 pi square inches is enlarged by a scale factor of four to produce a similar cone. What is the s
cluponka [151]

Answer:

60*pi square inches

Step-by-step explanation:

We have a cone that originally has 15 * pi square inches of area, now it tells us that it is enlarged by a scale factor of four, to make a cone with the same shape.

In other words, if it was a cone with a circular base, this new cone will also be a circular base, the same happens if it is a square base.

Therefore, taking this into account, the new cone area is

15 * 4 * pi = 60 * pi

That is, the area of the new cone would be 60*pi square inches.

5 0
4 years ago
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