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2 years ago

Y= -2(x - 1)^2 + 8 the answer

Mathematics

1 answer:

Dahasolnce [82]2 years ago

8 0

Y = (-2x +2)^2 +8
(-2x^2 +4) +8
-2x^2 +12

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Jada surveyed some students to see which tool they most favored for communicating with grit. The results of her survey are shown

nikklg [1K]

Answer:

120 students did Jada survey

Step-by-step explanation:

* Lets explain how to solve the problem

- The results of Jada survey are shown in this circle graph

# Communication tools Text messages 5/12

# Phone 1/5

# Emails 1/20

# Other messaging apps 1/3

- A total of 50 students said they favored text messages to

communicate with friends

- We need to find the total number of the students in Jada survey

- Assume that the total number of the students in the survey is x

∵ The Communication tools Text messages expressed by a

fraction 5/12 of the circle graph

∵ The total of 50 students said they favored text messages to

communicate with friends

- That means The fraction $\frac{5}{12}$ of x equivalent to 50

∴ $\frac{5}{12}*x=50$

- Multiply both sides by 12

∴ 5x = 600

- Divide both sides by 5

∴ x = 120

∵ x represents the number of the students in Jada survey

∴ 120 students did Jada survey

6 0

3 years ago

What value of x makes this proportion true?

Trava [24]

The answer is 5:) you first have to cross multiply then divide both sides from x

8 0

3 years ago

Slope is 2 and (3,4) is on the line. solve

pogonyaev

Answer:

Step-by-step explanation:

y-y1 = m(x-x1)

y-4 = 2(x-3)

y-4=2x-6

y= 2x -6+4

y=2x-2

8 0

2 years ago

. Aladdin found a cave filled with boxes of gold, measuring 2 inches × 2 inches × 2 inches, and boxes of silver, measuring 1 inc

Viktor [21]

Answer:

Step-by-step explanation:

volume of box=6×6×7 in³

he fits gold 2×2×2

so he fits it in 6×6×6

so number of gold boxes=(6×6×6)/(2×2×2)=27

remaining space=1×6×6

number of silver boxes=(1×6×6)/(1×1×1)=36

total boxes he took=27+36=63

4 0

3 years ago

9s - 5g = -4y, for s

Oksi-84 [34.3K]

S = (5g -4y)/9

hope this helps

4 0

3 years ago