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sp2606 [1]
3 years ago
10

I need help. I'm not quite sure which one to choose.

Mathematics
2 answers:
MArishka [77]3 years ago
7 0
I believe it is the first one. A. \frac{x^2}{5^2}- \frac{y^2}{5^2}\ \textgreater \ 1
valina [46]3 years ago
5 0
The answer to this question is C

careful at the sign they gave you
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The sample space, S, for flipping a fair coin three times is shown
Ksenya-84 [330]

Answer: \frac{7}{8}

Step-by-step explanation:

Given

Sample space is ={HHH,THH,HTH,HHT,TTH,THT,HTT,TTT}

There are 8 element in sample space which indicates the outcome of tossing a coin three times

Probability of obtaining at least one head=1-P(\text{0 head})

P(\text{0 head})=P(\text{All tails})

P=1-\frac{1}{8}

P=\frac{7}{8}

3 0
3 years ago
A recipe calls for 1/2 cup of sugar for each loaf of bread.
Kay [80]

Answer:

6

Step-by-step explanation:

1/2 cup = 1 loaf of bread

1 cup = 2 loaves of bread

2 cup = 4 loaves of bread

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sorry i didn't know how to explain it in words

6 0
3 years ago
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grigory [225]

Answer: it is rational

Step-by-step explanation:

7 0
3 years ago
Write a quadratic equation in standard form that has two solutions, -9 and 3
erastovalidia [21]
So for this you need the two solutions to be x= -9 and x=3 then move over the numbers and put in brackets (x+9)(x-3) then multiply together x^2+9x-3x-27 then combine like terms to get x^2+6-27
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What is -15=11-2t solved
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The answer would be 13
6 0
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