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forsale [732]
3 years ago
11

8th grade math help please I will give brainliest and thanks [18] points

Mathematics
1 answer:
NISA [10]3 years ago
8 0
1. A real world scenario could look something like this:
A ladder is resting against a straight wall. The distance from the top of the ladder to the bottom of the wall is 8m, while the distance from the base of the wall to the foot of the ladder is 6m. Find the length of the ladder.

2.That is the diagram  for the real life example

3. Use pythagoras theorem to solve it
6^2+8^2=x^2
100=x^2
x=10
So the ladder is 10 m

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In circle A shown below, If m BC is 105°, what is m CD?
Norma-Jean [14]
I would say that m CD would be (A)74).
hope this helps

6 0
3 years ago
What does the t-coordinate of the solution to this system represent? the time at which the ball and the dog hit the ground the t
Margaret [11]

The t-coordinate of the solution to this system represents C. the time at which the ball and the dog's mouth are at the same height.

<h3>How to explain the coordiante?</h3>

A coordinate time scale is a time standard designed for use as the time coordinate in the calculation.

When Laurie throws a tennis ball toward her dog from a height, the t-coordinate of the solution to this system represents the time at which the ball and the dog's mouth are at the same height

The complete question is:

Laurie throws a tennis ball toward her dog from a height of 4.5 ft. The initial vertical velocity of the ball is 18 ft/s. At the same time as Laurie throws the ball, her dog jumps with an initial vertical velocity of 21 ft/s. When the dog jumps, its mouth is 1.5 ft above the ground. What does the t-coordinate of the solution to this system represent?

Learn more about coordinates on:

brainly.com/question/17206319

#SPJ1

5 0
2 years ago
Simplify by Distributing and then Combining Like Terms (C.L.T.): 4(2m+5n)−3(m−7n)
MaRussiya [10]

Answer:

5m+41n

Step-by-step explanation:

4(2m+5n)-3(m-7n)

8m+20n-3m+21n

8m-3m+20n+21n

5m+20n+21n

5m+41n

Please mark me as Brainliest if you're satisfied with the answer.

5 0
3 years ago
Expand. Your answer should be a polynomial in standard form. (x−5)^ 2 =
SVEN [57.7K]
<span>(x−5)^ 2 = (x-5)(x-5) = x^2 - 10x + 25 (answer)</span>
8 0
3 years ago
In a crayon box there are 5 dark colors for every 8 light colors. If there are 20 dark colors, how many light colors are there.
Alex17521 [72]

Answer:32

Step-by-step explanation:

Since 5 dark colors are equal to 8 light colors, see how many times 5 goes into 20. 20/5=4. So now multiply 8 with 4. 8x4=32.

4 0
3 years ago
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