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insens350 [35]
4 years ago
7

True or false? I believe it's false

Mathematics
1 answer:
seropon [69]4 years ago
3 0

That is false. The parabola opens to the right.

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The graph shows the scores of an exam. About what percent of students scored above 86%?
Gemiola [76]

Attach shows the scores of students in an exam

\begin{gathered} \text{(students scored above 86\%) = }\frac{\text{ number of students score above 86\%}}{\text{Total scored }}\text{ x }\frac{100}{1} \\ \text{(students scored above 86\%) = }\frac{\text{8+5.9+2.2+2}}{1.4+2.2+4.5+6.2+8.5+16.5+18+16.3+8+8+5.9+2.2+2}X\frac{100}{1} \\  \\ \text{(students scored above 86\%) = }\frac{18.1}{99.7}\text{ X }\frac{100}{1} \\ \text{(students scored above 86\%) = }18.15\text{ \%} \\ \text{(students scored above 86\%) = 18\%} \end{gathered}

Hence the correct answer = 18% Option A

8 0
1 year ago
3(2x + 12) = -2(x - 4) + x
mart [117]

Answer:

-4

Step-by-step explanation:

1. Use the distributive property to get 6x + 36 = -2x + 8 + x

2. Combine like terms 6x + 36 = -x + 8

3. Subtract 36 on both sides. 7x + 36 = 8 > 7x = -28

4. Divide by 7

-28/7 = -4  x=4

5 0
4 years ago
Read 2 more answers
A company is designing a new cylindrical water bottle. The volume of the bottle will be 219 cm cubed. The height of the water bo
Elden [556K]

Answer: I think its 2.29

Step-by-step explanation:

7 0
3 years ago
George is at Krogers and sees that he can buy 6 candy bars for $21. George would like to buy enough candy bars for everyone in h
Nana76 [90]

Answer:

it would be $98 for the whole class

Step-by-step explanation: let me know if you have to show your work so i can tell you how i did it :) .

6 0
3 years ago
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In this exercise, you'll use the formula for the probability of the complement of an event. another game you’ve set up at casino
anyanavicka [17]
8 games possible in a trial
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2 years ago
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