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atroni [7]
3 years ago
9

Help pls , graph and linear equations

Mathematics
1 answer:
drek231 [11]3 years ago
5 0

Answer:

4- -1=3

Step-by-step explanation:

7. m=3 (4,-1)

do the () inside first so

4- -1 = 3

hope this helps for number 7

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Use the drawing tool(s) to form the correct answer on the provided graph.
NikAS [45]

Answer:

Here's one way to do it

Step-by-step explanation:

1. Solve the inequality for y

5x - y > -3

-y > -5x - 3

y < 5x + 3

2. Plot a few points for the "y =" line

I chose

\begin{gathered}\begin{array}{rr}\mathbf{x} & \mathbf{y} \\-2 & -7 \\-1 & -2 \\0 & 3 \\1 & 8 \\2 & 13 \\\end{array}\end{gathered}

x

−2

−1

0

1

2

y

−7

−2

3

8

13

You should get a graph like Fig 1.

3. Draw a straight line through the points

Make it a dashed line because the inequality is "<", to show that points on the line do not satisfy the inequality.

See Fig. 2.

4. Test a point to see if it satisfies the inequality

I like to use the origin,(0,0), for easy calculating.

y < 5x + 3

0 < 0 + 3

0 < 3. TRUE.

The condition is TRUE.

Shade the side of the line that contains the point (the bottom side).

And you're done (See Fig. 3).

6 0
3 years ago
In the diagram, point P is a point of tangency. Find the radius r of circle O.​
vlabodo [156]

Answer:

r = 12

Step-by-step explanation:

From the figure attached,

QP is a tangent to the circle O at the point P.

Therefore, by the property of tangency,

OP ⊥ QP

By applying Pythagoras theorem In right triangle QPO,

(Hypotenuse)² = (Leg 1)² + (Leg 2)²

(OQ)² = (OP)² + (PQ)²

(25 + r)² = (35)² + r²

625 + r² + 50r = 1225 + r²

50r = 1225 - 625

50r = 600

r = 12

Therefore, r = 12 units is the answer.

4 0
3 years ago
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Dafna11 [192]
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As the higher the denominator and the higher the numerator or 'parts filled', the greater the fraction.
4 0
3 years ago
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What would equal -1.11 when you divide by -4?
erik [133]

Answer:

x= -4.44

Step-by-step explanation:

4 0
3 years ago
Select the factors of x2 - 14x + 49
marissa [1.9K]
(X-7)(x-7)
Hope this is what you're looking for!
6 0
3 years ago
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