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olganol [36]
1 year ago
15

Find the slope given the following information (3,7) and (-4,10)

Mathematics
1 answer:
hram777 [196]1 year ago
6 0

Answer:

m=-3/7

Step-by-step explanation:

m=rise/run=Δy/Δx

m=y2−y1/x2−x1

m=10−7/−4−3

m=3/−7

m=−3/7

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H (4, -8) is the pre-image. What is the new prime image after a dilation with a scale factor of 1/2?
Marina CMI [18]

Answer:

(2, -4)

Step-by-step explanation:

The scale factor is the number used to multiply the pre-image coordinates.

The image of the point (4, -8) is (2, -4).  Each coordinate is 1/2 the corresponding coordinate in the pre-image.

8 0
3 years ago
What is the value of x?
stiks02 [169]

Answer:

Step-by-step explanation:

Use Pythagoras Theorem

x² + 16² = 34²

x² + 256 =  1156

x² = 1156 - 256

x² = 900

x= √3*3*10*10

x= 3*10

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4 0
3 years ago
Read 2 more answers
Solve the following equation. show work. x^2 + 10x = -25
SVEN [57.7K]

Step-by-step explanation:

x^2 + 10x = -25

x^2 + 10x + 25 = 0

(x+5)^2=0

x=-5

6 0
2 years ago
Select the correct answer.
galina1969 [7]

Answer:

<h2>C. 8 + 3i</h2>

Step-by-step explanation:

(9 + 6i) - (1 + 3i) = 9 + 6i - 1 - 3i = (9 - 1) + (6i - 3i) = 8 + 3i

8 0
3 years ago
Jeff was already 7 miles out of town when his sister
Nikolay [14]

The sister catches up Jeff after 2 hours

Step-by-step explanation:

We can write Jeff's position and his sister position at time t using the following expressions:

- Jeff position:

x_j(t) = 7 + 2.5 t

where:

7 is the initial position of Jeff when his sister sarts chasing him

2.5 is Jeff's velocity (in miles/hour), so its position increases by 2.5 miles for each hour

t is the time measured in hours

- Sister position:

x_s(t) = 6t

where

6 is the sister velocity (her position increases by 6 miles for every hour)

t is the time measured in hours

The sister catches up Jeff when the two positions are equal, so

x_j(t) = x_s(t)\\7+2.5t=6t

And solving for t,

7+2.5t-2.5t=6t-2.5t\\7=3.5t\\t=\frac{7}{3.5}=2 h

So, the sister catches Jeff after 2 hours.

Learn more about speed:

brainly.com/question/8893949

#LearnwithBrainly

5 0
3 years ago
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