3 years ago

Help meh pls im stuck on dis

Mathematics

2 answers:

LekaFEV [45]3 years ago

7 0

31.83 Hope this helps you out! :D

SIZIF [17.4K]3 years ago

4 0

The answer is 31.83 hope it helps you out

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Square root of 7x plus the square root of 28x

NISA [10]

$\sqrt{7x} + \sqrt{28x} \\\sqrt{7x} + \sqrt{4 * 7x} \\\sqrt{7x} + \sqrt{4}\sqrt{7x} \\\sqrt{7x} + 2\sqrt{7x} \\3\sqrt{7x}$

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3 years ago

Margo spends a quarter of her paycheck on a new dress, one-eighthof her paycheck on shoes, and $24 on a birthday present. if she

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So if her pay check is x she spends 0.25x on the dress and 0.125x on shoes. That’s 0.375 when added together.
So 0.375x + 24=60
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2 years ago

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Write these numbers in standard notation. 3.05 x 10–3 8.92 x 106

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3 years ago

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A coin is tossed 3 times. What is the probability that the number of tails obtained will be between 1 and 3 inclusive?

LekaFEV [45]

Answer: $\dfrac{7}{8}$

Step-by-step explanation:

Given : When a coin is tossed twice , the total outcomes will become

HHH , HHT , HTH , THH , TTH , THT , HTT ,TTT

Total outcomes = 8

Favorable outcomes to obtain 1 and 3 inclusive = HHT , HTH , THH , TTH , THT , HTT ,TTT

Number of favorable outcomes = 7

Probability that the number of tails obtained will be between 1 and 3 inclusive = $\dfrac{\text{Favorable outcomes}}{\text{Total outcomes}}$

$=\dfrac{7}{8}$

Hence, the probability that the number of tails obtained will be between 1 and 3 inclusive $=\dfrac{7}{8}$

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3 years ago

Deborah finds that that the theoretical probability of flipping "heads" on a fair coin was 50%. After she flipped the fair coin

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Answer: 5% if it’s bubble sheet then 0.05

Step-by-step explanation:

Probability of flipping heads=50%

Probability of flipping practically = 45/100

=45

So 50%-45% = 5%

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3 years ago