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Natalka [10]
3 years ago
9

you have a 20 question test and get all 20 questions correct. what if the possible precentage 77%, 85%, 88%, or 96%? And how do

you know??
Mathematics
1 answer:
Delicious77 [7]3 years ago
4 0
It Would Be 96% Because If That Was The Highest Percentage That You Could Reach On The Test Than That Would Be Your Final Grade Unless Your'e Trying To See If That Grade Would Affect Your Average.
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Law of cosine. Please help
Anna35 [415]

Answer:

B) 41.7

Step-by-step explanation:

Let a=25, b=32, and c=37. Use the Law of Cosines equation to find angle A=x which is directly across from side a:

\displaystyle \cos(A)=\frac{b^2+c^2-a^2}{2bc}\\ \\\cos(A)=\frac{32^2+37^2-25^2}{2(32)(37)}\\ \\\cos(A)=\frac{1024+1369-625}{2(1184)}\\\\\cos(A)=\frac{2393-625}{2368}\\ \\\cos(A)=\frac{1768}{2368}\\\\A=\cos^{-1}\biggr(\frac{1768}{2368}\biggr)\\ \\A\approx41.7^\circ

Therefore, the correct answer is option B, which means you were right!

5 0
2 years ago
A yo-yo factory has fixed operating costs of $5000 per day plus costs of $2 per yo-yo produced. If a yo-yo sells for $5.50, what
Jlenok [28]

Answer:

1429

Step-by-step explanation:

Break even is expressed as:

5000+2x = 5.5x

5000=5.5x-2x

5000=3.5x

\frac{5000}{3.5} = \frac{3.5x}{3.5}

1428.57=x

Since you cannot sell a fractional yo-yo, round up to 1429

3 0
3 years ago
What is 2(5+8)+101+101
Andre45 [30]
2(5+8)+101+101
Step 1: 2(13)+(101+101) =
Step 2:26+202=
Final Answer: 228
3 0
3 years ago
Read 2 more answers
Simplify (6x^-2)^2(0.5x)^4... plz show work!
kakasveta [241]
<span>Simplify (6x^-2)^2(0.5x)^4... plz show work!

</span>(6x^{-2})^2(0.5x)^4=  \\  \\  (6^2x^{-2*2})(0.5^4x^4)=  \\  \\ (36x^{-4})(0.0625x^4)=  \\  \\   (36*0.0625)(x^{-4}x^4)=  \\  \\   (36*0.0625)(x^{-4+4})=  \\  \\   (36*0.0625)(x^{0})=  \\  \\   (36*0.0625)= \boxed{2.25}   \\  \\<span>

</span>
8 0
3 years ago
If f(x)=3x+2 and g(x)=x-1/3 what is the value of f{g(7)}
Natali5045456 [20]

Answer:

f(g(7)) = 22

Step-by-step explanation:

First find the general form of the new equation, f(g(x)):

f(x)=3x + 2

g(x)=x - 1/3

f(g(x)) = 3(x - 1/3) + 2

You can simplify that, or alternatively just plug in 7 now and solve:

f(g(7)) = 3(7 - 1/3) + 2

f(g(7)) = 3(20/3) + 2

f(g(7)) = 20 + 2

f(g(7)) = 22

3 0
3 years ago
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