3 years ago

An angle of 200° is a/an _______ angle. A) Right B) Acute C) Reflex D) Straight

Mathematics

1 answer:

e-lub [12.9K]3 years ago

6 0

An angle of 200 is an Reflex angle. The answer is D.

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7(5x + 9) = 12 - (x +9)

den301095 [7]

Answer:

$\frac{-5}{3}$ is the answer

Step-by-step explanation:

7(5x+9)=12+−1(x+9)(Distribute the Negative Sign)

7(5x+9)=12+−x+−9

(7)(5x)+(7)(9)=12+−x+−9(Distribute)

35x+63=12+−x+−9

35x+63=(−x)+(12+−9)(Combine Like Terms)

35x+63=−x+3

Add x to both sides.

35x+63+x=−x+3+x

36x+63=3

subtract 63 from both sides.

36x+63−63=3−63

36x=−60

Divide both sides by 36.

$\frac{36x}{36} =\frac{-60}{36}\\$

-5/3 is the answer.

ik this doesnt make any sense but hope this helps

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3 years ago

Please help me figure this out and pls explain to me how to do this I’m so confused

trapecia [35]

Im doin the same stuff and can’t figure it out

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3 years ago

Please help me fast thankss

STatiana [176]

Answer:

it's a bit blurry but if I aint wrong it's the 2nd one that say 2/5

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3 years ago

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In ARST, r = 1.7 inches, s = 7.3 inches and ZT=15°. Find the length of t, to the nearest

garri49 [273]

Answer:

The answer is "5.7"

Step-by-step explanation:

Using the cosine rule.

$\cos T = \frac{r^2+s^2-t^2}{2rs} \\\\t^2= r^2+s^2-2rs \cos T ........(i)\\\\r=1.7\\s=7.3\\T=15\\\\t^2= (1.7)^2+(7.3)^2-2(1.7)(7.3) \cos 15^{\circ} \\\\$

$=2.89+53.29-24.82(0.9659)\\\\=32.2064$

$t= 5.6751 =5.7$

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3 years ago

A mountain bike wheel has a diameter of 26 in.

Dmitry_Shevchenko [17]

26 x 3.14 = 81.64 in. The circumference can by found by multiplying pi by the diameter of the circle.

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4 years ago

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