MATHEMATICS HIGH SCHOOL

The vertex of the function y=-3(x - 1)² +2 is?Can Someone please help i need the answer for this

what is the vertex function of
y=-3(x - 1)² +2

Answers

Answer 1
Answer: formula: f(x) = a(x – h)2 + k

transformation: 1 unit right 2 units up

vertex: (h,k) -> (1,2) it’s positive because it has to be the opposite

maximum/minimum: maximum

range: (-∞, ∞)
domain: y ≥2

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Percy works two part-time jobs to help pay for college classes. On Monday, he works 3 hours at the library and 2 hours at the coffee cart and earns $36.50. On Tuesday, he works 2 hours at the library and 5 hours at the coffee cart and earns $50. His hourly wage at the library, x, and hourly wage at the coffee cart, y, can be determined using the system of equations below.3x + 2y = 36.50 2x + 5y = 50.00 At which job does Percy earn the greater hourly wage? How much does Percy earn each hour at this job?

Jasmine wants to use her savings of $1128 to buy video games and music CDs. The total price of the music CDs she bought was $72. The video games cost $43 each. What is the maximum number of video games that Jasmine can buy with her savings?

Answers

Answer

Find out the number of video games that Jasmine can buy with her savings .

To proof

Let us assume that the number of video games Jasmine can buy  be x .

As given

Jasmine wants to use her savings of $1128 to buy video games and music CDs.

The total price of the music CDs she bought was $72. The video games cost $43 each.

Than the equation becomes

72 + 43× x = 1128

simplify

72 + 43x = 1128

43x = 1128 - 72

43x = 1056

x = (1056)/(43)

x = 24.6 (approx)

Take

x = 24

Therefore the maximum number of video games that Jasmine can buy with her savings be 24 .

Hence proved
she can buy 24 video games
1128-72=1056
1056/43=24

Please explain how you got the answer

Answers

\bf (-y+4)(2y-1)\implies \stackrel{(-y)(2y-1)}{-2y^2+y}~~+~~\stackrel{(4)(2y-1)}{8y-4}\implies -2y^2+9y-4

notice, just like in any multiplication, you can simply multiply each term of either polynomial times the other, sum them up and then cancel like-terms.
The answer is −2y^2 + 9y − 4

I simplified by multiplying -y and 2y, 4 and 2, 2y and 1, and -y and -1 which simplified again is the answer above.

1.Four less than half a number is equal to 37 less than twice the number. a.Translate the sentence into an equation.


b.Solve the equation. Show your work.

Answers

Lets say the number is n


Four less than half a number is equal to 37 less than twice the number.
Four less than half n is equal to 37 less than twice n
Four less than (1)/(2)n is = to 37 less than 2n
(1)/(2)n - 4 = 2n - 37

solve urself

A triangle has side lengths of 5, 9 and 12. Is it right acute or obtuse?

Answers

a\leq b\leq c\ (a;b;c-side\ lengths\ of\ the\ triangle)\n\nthere\ is\ a\ relationship:\n\na^2+b^2=c^2-right\ triangle\n\na^2+b^2 < c^2-obtuse\ triangle\n\na^2+b^2 > c^2-acute\ triangle

a=5;\ b=9;\ c=12\n\na^2+b^2=5^2+9^2=25+81=106\n\nc^2=12^2=144\n\na^2+b^2 < c^2\n\nAnswer:Obtuse\ triangle

Choose all the numbers that 84 is divisible by.2
3
4
5
6
9
10

Answers

The number 84 is divisible by 2,3,4 and 6.

What is division?

One of the four fundamental arithmetic operations, or how numbers are combined to create new numbers, is division.

The numbers which divide 84 completely are:-

2 ⇒ 84 ÷ 2=24

3 ⇒ 84 ÷ 3=28

4 ⇒ 84 ÷ 4=21

6 ⇒ 84 ÷ 6=13

Hence, the numbers are 2,3,4 and 6.

To know more about division follow

brainly.com/question/4721701

#SPJ2
2↪84:2=24
3↪84:3=28
4↪84:4=21
6↪84:6=13

Idk how to do math ​

Answers

that's why we have the beautiful internet
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