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san4es73 [151]
3 years ago
12

Evaluate (m^4 + 5)−n^3 if m=−2 and n=−4 .

Mathematics
1 answer:
Andre45 [30]3 years ago
7 0

Answer:

85

Step-by-step explanation:

m = -2 and n = -4, Plug in:

(m^4 + 5) - n^3

( (-2)^4 + 5 ) - (-4)^3

( 16 + 5 ) - (-64)

21 + 64

85

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Question 3 (1 point)
Effectus [21]

Given :

Height of wall, h = 24 inches.

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To Find :

The largest television that Sheree can buy.

Solution :

Let, length of diagonal to the wall is x.

So,

x=\sqrt{h^2+w^2}\\\\x=\sqrt{24^2+45^2}\\\\x=51\ inches

Therefore,  the largest television that Sheree can buy is 51 inch.

Hence, this is the required solution.

7 0
3 years ago
Write this statement as a conditional statement in the form “if p, then q.”
ss7ja [257]

Answer:

if the measure of an angle is 90°, then the angle is a right angle.

Step-by-step explanation:

p=the measure of an angle is 90°

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5 0
3 years ago
What’s the answer to this question
USPshnik [31]
It is 62 inch squared.

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7 0
3 years ago
Read 2 more answers
If the lengths of two sides of a triangle are 6<br> and 8, the length of the third side may be
yaroslaw [1]
Use Pythagorean theorem. 6^2+8^2=c^2. 36+64=c^2. C=10.
4 0
3 years ago
Please help with these questions.
EastWind [94]

1. OK, we want csc A, which is 1/sin A.  When we have a right triangle whose hypotenuse is the square root of two times the side, we're where the Pythagoreans were twenty five hundred years ago when they realized the diagonal of the unit square was incommensurate with the side.

In other words we have an isoceles right triangle, 45 degree angles, a=b=14 and c=14 \sqrt{2}.  So \sin A = 1/\sqrt{2} so \csc A=\sqrt{2}, fourth choice.

2. AC adjacent to 23, C is a right angle because 23+67=90.  We have hypotenuse AB, so 

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3.  The cosine is adjacent over hypotenuse.

\cos A = 36/60 = 3/5

The sine is opposite over hypotenuse,

\sin B= 36/60 = 3/5

First choice
3 0
4 years ago
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