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2 years ago

When a number is halfway between two multiples of one hundred, round to _____.

Mathematics

1 answer:

hram777 [196]2 years ago

5 0

Answer:

D. The larger multiple

Step-by-step explanation:

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What is 4b + 7a - 8?

IRISSAK [1]

The answer is 3ba I hope this is right

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3 years ago

Which of the following will be constructed when the two endpoints of a line segment are folded so that they line up

nataly862011 [7]

B. Midpoint of a line segment

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4 years ago

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The record time for running the Boston Marathon is 2.12 hours at an average speed of 12.5 miles per hour. What distance does the

Gala2k [10]

Answer:

26.5 miles.

Step-by-step explanation:

Given: Time for running Boston Marathon= 2.12 h

Speed= 12.5 mph

Distance covered in Boston Marathon

Distance covered= speed x time

Distance covered = 12.5 x 2.12=26.5 miles

∴ Distance covered in the Boston Marathon is 26.5 miles.

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3 years ago

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What are the coordinates of Point X? A. (3, –4) B. (–3, –4) C. (4, –3) D. (4, 3)

Greeley [361]

Answer:

3, -4

Step-by-step explanation:

Hi I really hope this helps you, Please mark as brainliest!

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3 years ago

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Someone pls help, its on trig ratios.

Mars2501 [29]

Answer:

$BC=12.8,\\AC=15.1$

Step-by-step explanation:

In right triangles only, the tangent of an angle is equal to its opposite side divided by its adjacent side.

Therefore, we have the following equation:

$\tan 58^{\circ}=\frac{BC}{8}$

Solving, we get:

$BC=8\tan 58^{\circ}\approx \boxed{12.8}$

Also in right triangles only, the cosine of an angle is equal to its adjacent side divided by the hypotenuse of the triangle.

$\cos 58^{\circ}=\frac{8}{AC},\\AC=\frac{8}{\cos 58^{\circ}},\\AC\approx \boxed{15.1}$

We can also use the Pythagorean theorem now that we've found BC. However, if you choose to do so, make sure you don't use a rounded value for BC, as that could cause a notable deviation in your final answer.

Using the Pythagorean theorem to verify our answers:

$8^2+(8\tan 58^{\circ})^2=\left(\frac{8}{\cos 58^{\circ}}\right)^2\:\checkmark$

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3 years ago