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Delvig [45]
3 years ago
7

Write a linear equation given the point and slope or two points.

Mathematics
1 answer:
attashe74 [19]3 years ago
5 0

Answer:

1) y = -2x - 1

2) y = -3/4 + 3

3) y = 4x + 9

4) y = - 5/3x - 2

Step-by-step explanation:

b = y - m*x

1) (-7,13) and slope: -2

b = 13 - (-2)*(-7)

b = 13 - 14

b = -1

2) (4,6) lope = -3/4

b = 6 - (-3/4)*(-4)

b = 6 - 3

b = 3

y = -3/4x + 3

3) (-5,-11) and (3,-7)

Slope: (1 - - 11)/(-2 - - 5) = 12/3

= 4

b = -11 - (4) (-5) = 9

b = 9

4) slope = (-7 - 8)/(3- - 6)

= -15/9 = - 5/3

b = 8 - (-5/3)*(-6)

b = 8 - 10

b = -2

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Tina baked a batch of 40 cupcakes. daisy baked 4/5 as many cupcakes as tina. miko baked 1/2 as many cupcakes as daisy. how many
Alex17521 [72]

The three girls baked 88 cupcakes altogether.

Cupcakes Baked by Each

Number of cupcakes baked by Tina, T = 40

It is given that Daisy baked 4/5 as many cupcakes as Tina.

Therefore, number of cupcakes baked by Daisy, D = (4T/5) (Applying fractions)

⇒ D = (4/5)×40

⇒ D = 4 × 8

⇒ D = 32

Also, it is given that Miko baked 1/2 as many cupcakes as Daisy.

Thus, number of cupcakes baked by Miko, M = D/2 (Applying fractions)

⇒  M = 32/2

⇒ M = 16

Calculating Total Number of Cupcakes Baked

Cupcakes baked by the three girls altogether = T + D + M

= 40 + 32 + 16

= 88

Hence, the girls together baked 88 cupcakes.

Learn more on fractions here:

brainly.com/question/10354322

#SPJ4

6 0
2 years ago
Match each inequality with its solution set.
Dahasolnce [82]

Answer:

step below

Step-by-step explanation:

5 - 3x ≥ 11          x≤ -2    ....4 (bottom)

1 + 3x ≥ -5         x≥ -2     ....3 (3rd level)

5x + 7 ≥ 17        x≥ 2       ....1 (top)

2x + 1 ≤ 3          x ≤ 1       ....2 (2nd level)

6 0
3 years ago
Read 2 more answers
Please answer this question now in two minutes
S_A_V [24]

Answer:

IJK and KJM

Step-by-step explanation:

Vertical Angles are the angles opposite each other when two lines cross

they are always equal in measure and share a point (in this case J)

hope this helps

5 0
4 years ago
Find the value of x ​
tiny-mole [99]

Answer:

x = 150

Step-by-step explanation:

What we need to do is first use the sum of interior angles theorem to find the total sum of this odd hexagon.

n = sides of the shape.

(n-2)*180° = Sum of interior angles

For us this would be 720° total. Now make an equation

121 + 96 + 101 +162 + 90 + x = 720

Then we simplify

570 + x = 720

-570         -570

And then subtract 570 on both sides and we get our answer.

x = 150

4 0
3 years ago
Read 2 more answers
Omar runs 7 miles in 50 minutes at the same rate how many miles but here in 75 minutes
strojnjashka [21]

Answer:

10.5

Step-by-step explanation:

7miles÷50min=.14

.14×75 minutes= 10.5

3 0
3 years ago
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