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Sloan [31]
3 years ago
9

What is the relationship between sin(90 degrees) and sin(-90 degrees)

Mathematics
1 answer:
Volgvan3 years ago
4 0

Answer:

sin(90\°)=-sin(-90\°)

Step-by-step explanation:

we know that

sin(90\°)=1

sin(-90\°)=-1

therefore

sin(90\°)=-sin(-90\°)

You might be interested in
Mmo
Mashutka [201]

Answer:

C

Step-by-step explanation:

when you solve this it is x>10.

< and > is the open hole and x is greater than -10 so it will be going right.

hope this helped :)

8 0
3 years ago
"According to contractarian logic, we should be willing to make concessions to others if they agree to make comparable and recip
natali 33 [55]

Answer:In a couple with a newborn baby at home, to take turns on feeding the baby at night.

Step-by-step explanation: Here both parents are willing to sacrifice a few minutes, if not hours of sleeptime with the promise to be allowed to rest the next time the baby needs to be fed. There is no certainty in how long it will take for the baby to go back to sleep or how long it will be for the baby to be awake again, but the chances are the same for both parents, so they both agree to take care of the child one at a time with the promise to be in turns, this is an example of contractarian logic.

7 0
3 years ago
Keep gettin those wrong. Please help!!!
larisa [96]

Answer: About 14.14 in^3

Step-by-step explanation:

We know that the circumference of a sphere is C=2πr. We are given that the circumference is 9.42 in. We can find the radius to get our volume.

9.42=2\pi r

4.71=\pi r

r=1.5\\

Now that we know radius, we can find our volume.

V=\frac{4}{3} \pi r^3

V=\frac{4}{3} \pi (1.5)^3

V=14.14in^3

5 0
3 years ago
Help please, I have all the work I just don't understand part B
ollegr [7]
Answer is b the answer is because there is no C or D in my conversations are in my store
4 0
3 years ago
The cost of K-12 education per student was $2200 in 1978 and increased to $10,300 in 2008. (Source: Department of Education). (a
kobusy [5.1K]

Answer: C=270x+2200

Step-by-step explanation:

Given

Cost per student in the year 1978 is $2200

The cost increases to $10,300 in 2008

Suppose C=mx+a is the linear equation defining the cost per student after x years

Substitute the value for 1978

\Rightarrow 2200=m(0)+c\\\Rightarrow c=2200

After 30 years it becomes

\Rightarrow 10,300=m(30)+2200\\\Rightarrow 30m=8100\\\Rightarrow m=270

Thus, the linear equation becomes

\Rightarrow C=270x+2200

6 0
3 years ago
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