Mathematics, 02.07.2019 04:00, abolton04

Ihave been trying at this for 20 minutes.

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answered: jalalblal

because∠ADB=∠BDC=90°

then∠C=90-30=60°

∠ABD=90-35=55°

∠ABC=∠ABD+∠CBD=30+55=85°

answered: Doobug9312

m∠C = 60°

Here's why: The sum of the interior angles of a triangle is equal to 180°. We know one of the angles is 30°, and the other is 90°, as shown by the box in the corner. Added together, that equals 120°. Subtract 120° from 180°, and you get 60°.

m∠ABD = 55°

Here's why: Again, the sum of the interior angles is equal to 180°. We know one angle is 35°, and the other is 90°. Added together, that is 125°. Now just subtract 125° from 180°, and you get 55°.

m∠ABC = 95°

Here's why: Once again, the sum of the interior angles is equal to 180°. We know m∠A is 35°, and that the m∠C is 60°. Added together, that is 95°. Subtract that from 180°, and you get 85°.

Hope that helps!

P.S. whenever you are asked find the m∠ABC, or any three letters, you have to find the measure of the angle of the middle letter. So when asked, find m∠DEF, they want the angle of E. Another example is when asked find m∠ABC, you have to find the measure of angle B. Hope that makes sense, and that will help oin the future!

answered: Guest

b. the average rate of change of f(x) is less than the average rate of change of g(x).

step-by-step explanation:

since the length of the interval is the same in each case, we only need to compare the change in y-value to see which is greater.

f(-2) = -3f(1) = 6 . . . estimated from f(x) = (x+2)^2-3, which matches points on the graph (-1,-2) and (0, 1)

so the change in y-value for function f is (6 )) = 9.

the table tells us

g(-2) = 1g(1) = 31

so the change in y-value for function g is (31 -1) = 30.

the change in y-value of f(x) on the interval is less than the change in y-value of g(x) on the same interval, so the average rate of change of f(x) is less than the average rate of change of g(x).

answered: Guest

The reporter forgot to multiply the decimal by 100, making it 25%

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