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ArbitrLikvidat [17]
3 years ago
8

Which coordinates would be the coordinates of one other point that would be on the line passing through the point D(-1, -3) with

a slope of -3? *

Mathematics
1 answer:
Talja [164]3 years ago
6 0

9514 1404 393

Answer:

  the correct selection is shown

Step-by-step explanation:

Increasing x by 1 results in a decrease of y by 3. That's what a slope of -3 means. So, you can find another point by adding (1, -3) to any point you have.

  D(-1, -3) + (1, -3) = (0, -6) . . . . matches the 3rd choice

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What is the value of x and the length of segment DE?
aniked [119]

Answer:

x = 6.6; DE = 16.6  

Step-by-step explanation:

Assume the diagram is like the figure below.

1. Calculate the value of x

In a right triangle, the altitude drawn from the right angle to the hypotenuse divides the triangle into two similar triangles.

Thus, ∆CDF ~ ∆FDE, and

\begin{array}{rcl}\dfrac{CD}{DF} &=& \dfrac{FD}{DE}\\\\\dfrac{5}{9} &=& \dfrac{9}{2x + 3}\\\\5(2x + 3) & = &81\\10x + 15 & = & 81\\10x & = & 66\\x & = & \mathbf{6.6}\\\end{array}

2. Calculate the length of DE

DE = 2x + 3 = 2(6.6) + 3 = 13.2 + 3 = 16.2

4 0
4 years ago
PLEASE HELP ASAP! BRAINLIEST TO BEST ANSWER
solong [7]
The answer is C, I hope this helps!
8 0
3 years ago
Hurry I need help!!!!
Gekata [30.6K]
Answer = A

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3 0
3 years ago
Read 2 more answers
Can someone pleaseeee help and if you’re correct i’ll give brainliest
kow [346]

Answer:

10.19 cubic yards

Step-by-step explanation:

8*4=32

32 divided by 3.14= 10.19

3 0
3 years ago
Solve the equation. Check your solution. k/-8=2
Lapatulllka [165]
Multiply both sides by -8 to get k = -16
To check the solution, plug in -16 into the original equation. You do in-fact get 2
4 0
4 years ago
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