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qaws [65]
2 years ago
8

Select the correct answer. Which equation matches the function shown in the graph?​

Mathematics
1 answer:
Kisachek [45]2 years ago
6 0

Answer:

B) y=sin(x+\frac{\pi}{2})

Step-by-step explanation:

Technically, since the function starts at its maximum, you could say the function is y=cos(x), but the answer choices all use sine instead. Therefore, we will have to use the cofunction identity cos(x)=sin(x+\frac{\pi}{2}) and we can see that the correct answer is B.

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What is the product of the binomals below (2x+3) (3x+3)
Korvikt [17]

Answer:

3*(2x+3)*(x+1)

Step-by-step explanation:

pull like terms from the problem to re-arrange it into a product

\left(2x+3\right)\left(3x+3\right)\\3x + 3  =   3 \cdot (x + 1)\\3 \cdot (2x + 3) \cdot (x + 1)\\

5 0
2 years ago
A triangle has side lengths of 17 inches, 19 inches, and 10 inches. What kind of triangle is it?
Virty [35]

Answer:

Scalene triangle

Step-by-step explanation:

a scalene triangle has 3 uneven sides

8 0
2 years ago
At the gas station, each liter of gas costs $ 3 $3dollar sign, 3, but there's a promotion that for every beverage you purchase y
IgorC [24]

Answer:

Yes! Our total savings on gas proportional to the number of beverages you purchase.

Step-by-step explanation:

Here, each liter of gas costs $3.

Every beverage you purchase you save $0.20.

So, if you purchase for $9, you will save 3*$0.20  = $0.60

So, this is proportional because when increase in purchase, there is proportional increase in savings.

6 0
3 years ago
In a local election 138,201 people voted for the winning candidate. If she won by 29,288 votes, about how many votes did the oth
max2010maxim [7]
You have to use subtraction because it says how many

3 0
3 years ago
Read 2 more answers
One number is 3 more than another number. if you add 12 to 4 times the first number, the result is 5 times the second number. Fi
aleksklad [387]

Answer:

first is -3, second number is 0

Step-by-step explanation:

you have two equations x+3=y and 4*x+12=5*y

Use the first one and write y in terms of x in the second equation:

4*x+12=5*(x+3)

4*x+12=5*x+15

12=5*x-4*x+15

12=x+15

x=-3

3 0
3 years ago
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