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2 years ago

I am confused help??

Mathematics

2 answers:

torisob [31]2 years ago

6 0

Answer:

so x = 2 and y=4 so now the question is basically 2^4 + 4.5^3

2^4 = 16

4.5^3 = 91.1

16 + 91.1 = 107.1

I HOPE THAT IS CORRECT

PtichkaEL [24]2 years ago

5 0

Answer:

Step-by-step explanation:

2 x 2 x 2 x 2 = 16

16 + ?

4 x 4 x 4 = 64

0.5 x 64 = 32

32 + 16 = 48

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9 whole 2/3 + 4 whole 7/9=

scoundrel [369]

Answer

14 4/9

Turn 9 2/3 into an Improper Fraction

Multiply 9*3 and get 27. Now add 2 and get 29 (Denominator stays the same)

9 2/3 = 29/3

Turn 4 7/9 into an Improper Fraction

Multiply 4*9 and get 36. Now add 7 and get 43 (Denominator stays the same)

4 7/9 = 43/9

Add

29/3 + 43/9 = 130/9

Turn 130/9 into a Mixed Number (Divide)

130/9 = 14 4/9

Hope This Helps!

7 0

3 years ago

If a and b are two angles in standard position in Quadrant I, find cos(a+b) for the given function values. sin a=8/17and cos b=1

n200080 [17]

Recall the sum identity for cosine:

cos(a + b) = cos(a) cos(b) - sin(a) sin(b)

so that

cos(a + b) = 12/13 cos(a) - 8/17 sin(b)

Since both a and b terminate in the first quadrant, we know that both cos(a) and sin(b) are positive. Then using the Pythagorean identity,

cos²(a) + sin²(a) = 1 ⇒ cos(a) = √(1 - sin²(a)) = 15/17

cos²(b) + sin²(b) = 1 ⇒ sin(b) = √(1 - cos²(b)) = 5/13

Then

cos(a + b) = 12/13 • 15/17 - 8/17 • 5/13 = 140/221

6 0

2 years ago

No links or files or ima report you and i mean it

mihalych1998 [28]

Answer: Links and files

6 0

3 years ago

Mr. palmer does an experiment to investigate the effects of distractions on studying and learning. he gives each participant a l

slamgirl [31]

According to the line of best fit, the number of words a person would remember after being distracted by 7 words will be 5 words. Option B. This is further explained below.

<h3>What is an experiment?</h3>

Generally, an experiment is simply a scientific technique used to produce a discovery, test a hypothesis, or show a previously unknown fact.

In conclusion, the experiment shows that according to the line of best fit 5words will be remembered after being distracted.