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Pani-rosa [81]
3 years ago
14

QUESTION ON PIC THANK YOU !!!

Mathematics
2 answers:
AlexFokin [52]3 years ago
8 0
Triangle a - acute
Triangle b - acute
Triangle c - acute
Triangle d - right
harkovskaia [24]3 years ago
3 0

Answer:

Triangle A: Acute

Triangle B: Obtuse

Triangle C: Acute

Triangle D: Right

Step-by-step explanation:

Acute angle: 0°-90°

Right angle: 90°

Obtuse angle: 90°-180°

An acute triangle only has acute angles. A right triangle has one right angle and two acute angles. An obtuse triangle has one obtuse angle and two acute angles.

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Factor the following trinomial.
MA_775_DIABLO [31]

Answer:

Final answer is D. (y-7)(y-8)

Step-by-step explanation:

We need to factor the given trinomial y^2-15y+56

=y^2-7y-8y+56

Make two groups of first two and last two term then find GCF

=y(y-7)-8(y-7)

=(y-8)(y-7)

=(y-7)(y-8)

Which correctly matches with choice D)

Hence final answer is D. (y-7)(y-8)

6 0
3 years ago
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A convention center is in the shape of a rectangular pyramid with a height of 261 m. Its base measures 468 m by 395 m.
a_sh-v [17]

Answer:

I assumed you were finding the volume sense you never specified so the volume is 1.61 ×10^7

Step-by-step explanation:

(l×w×h)/3 = (468×395×261)/3 = 1.61 ×10^7

5 0
2 years ago
Zakariah Smith
GREYUIT [131]

Answer:

Step-by-step explanation:

8 0
3 years ago
What was the first error that Andrea made?
Free_Kalibri [48]
It’s Y-61=6712 • (x-48)
4 0
3 years ago
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Find f'(x) if f(x) = (2/(x^1/3)) + 3 cos x + x^pi
galben [10]

The derivative of f is

f'(x)=\left(2x^{-1/3}+3\cos x+x^\pi\right)'

f'(x)=\left(2x^{-1/3}\right)'+(3\cos x)'+\left(x^\pi\right)'

By the power rule,

f'(x)=-\dfrac23x^{-4/3}+(3\cos x)'+\pi x^{\pi-1}

The derivative of \cos x is -\sin x:

f'(x)=-\dfrac23x^{-4/3}-3\sin x+\pi x^{\pi-1}

3 0
3 years ago
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