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USPshnik [31]
3 years ago
7

What’s the value of (sin90+cos360)-tan180

Mathematics
1 answer:
prohojiy [21]3 years ago
6 0

Answer:10

Step-by-step explanation:

f(x)=9

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lucy took three tests. if her median score was 82 her mean score 87 and her range was 17 what were three scores
Tatiana [17]
Her scores would be 98, 82, and 81. Their sum would be 261 then you would divide it be 3 and it would give you 87 then to find the median line the numbers up from greatest to least and 82 would be in the middle. To find the range subtract 81 from 98 and it gives you 17. Did this help?
3 0
3 years ago
ANSWER FAST!!!!!!!
Lemur [1.5K]

Answer:

The angle between the 190 ft. side and the 330 ft. side is 57.9^o

Step-by-step explanation:

<u>The Law of Cosines</u>

When we know the value of all sides of a triangle, we can compute all of its interior angles by using the Law of Cosines, which is a generalization of the Pythagoras's theorem. If a,b, and c are the known sides of a triangle and \alpha is the angle formed by sides a and b (opposite to c), then

\displaystyle c^2=a^2+b^2-2ab\ cos\alpha

We'll use the values a=190, b=330, c=280 because we want to compute the angle opposite to c

\displaystyle cos\alpha =\frac{a^2+b^2-c^2}{2ab}

\displaystyle cos\alpha =\frac{190^2+330^2-280^2}{2(190)(330)}

\displaystyle cos\alpha =\frac{36100+108900-78400}{125400}

\displaystyle cos\alpha =\frac{66600}{125400}=0,5311

\displaystyle \alpha= arccos\ 0.5311

\boxed{\displaystyle \alpha= 57.9^o}

5 0
3 years ago
Which equation should you use to solve for x?
oee [108]

Answer:

1st Option

Step-by-step explanation:

All angles in a triangle must add up to 180°.

Step 1: Set up equation

40° + 60° + 16x = 180°

Step 2: Rewrite

60° + 16x + 40° = 180°

8 0
3 years ago
Read 2 more answers
The table shows the running speeds of 10 randomly selected grizzly bears.
True [87]
The answer is Most likely D
8 0
3 years ago
Martha is following a recipe for 13 liters of punch that uses 8 liters
Blababa [14]

Answer:

8 : 5

Step-by-step explanation:

for every 5 L of lemonade, there is .625 of a L pineapple juice

5 ÷ 8 = .625

Have a good day i hope this helps can i get a brainiest if right? Stay safe!

4 0
3 years ago
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