3 years ago

F(x)=-3x^2+4x+4 G(x)=x(-7x-7) Which expression is equal to f(x)+g(x)

Mathematics

1 answer:

schepotkina [342]3 years ago

3 0

Answer:

Step-by-step explanation:

f(x)+g(x)=-3x^2+4x+4+x(-7x-7)= -3x^2+4x+4 -7^2-7x

= -10x^2-3x+4

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In the diagram, point O is the center of the circle and mADB = 43°. If mAOB = mBOC, what is mBDC?

Vanyuwa [196]

The answer is B) 43°
Angle ADB is an inscribed angle which means arc AB has an angle twice that of angle ADB. The angle of the arc would be the same as that of the central angle AOB. So, mAOB = 86°. And since, mAOB = mBOC, then mBOC = 86° and arc BC has a measure of 86° as well. Angle BDC intercepts the arc BC which means half of the angle of arc BC is mBDC. So, mBDC = 43°.

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Find the interest earned and the future value of an annuity with weekly payments of $400 for three years into an account that pa

qaws [65]

Answer:

the interest earned= 93.401

and the future value of an annuity= 493.401

Step-by-step explanation:

Given Data:

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time,t = 3 years