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3 years ago

11

A fellow classmate tosses 5 coins and finds that 3 of them come up tails. Which of the following is the best conclusion for her

to come to ?

1 answer:

frosja888 [35]3 years ago

8 0

This could easily happen with a fair coin after 5 flips

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What is the result when the number 48 is decreased by<br> 15%?

Hitman42 [59]

Answer:

40.8

Step-by-step explanation:

48 * .15 = 7.2

48 - 7.2 = 40.8

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3 years ago

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Spring stretches by 21.0 cm when a 135 n object is attached. what is the weight of a fish that would stretch the spring by 62.1

Marta_Voda [28]

Caution: you need to use the same units of measurement throughout. If the spring stretches by 21 cm when a 135 newton object is attached, then you must ask for the mass (in newtons) of a fish that would stretch the spring by 62.1 cm.

We will need to assume that the spring is not stretched at all if and when no object is attached to the spring.

Write the ratio

21.0 cm 135 newtons
------------- = --------------------
62.1 cm x

Solve this for x. This x value represents the mass of a fish that would stretch the spring by 62.1 cm. You can cancel "cm" in the equation above:

21.0 135 newtons
------ = --------------------
62.1 x

Then 21.0x = (62.1)(135 newtons). Divide both sides of this equation by 21.0 to solve it for x.

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3 years ago

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8.45 At some point in the season, the Unicorns had won 60% of their basketball games. After that point, they won 8 more games an

ololo11 [35]

Answer:

The total number of games won by Unicorn is 40.

Step-by-step explanation:

We are given with a word problem
We are asked to find the number of unicorns played during the season
We can do this in two steps

Step 1: Finding the win percentage

Step 2: Finding the number of unicorns played during the season

Step 1 of 2

Let the number of games played by unicorn be x.The unicorn won 60% of the first x-10 games That is $\frac{60}{100} \times(x-10)$

Combining the 8 games we get,

$\begin{gathered}\frac{60}{100}(x-10)+8=\frac{60}{100} \times x-\frac{60}{100} \times 10+8 \\0.6 x-6+8=0.6 x+2\end{gathered}$

Step 2 of 2

The unicorn totally won 65% of the games played.

That is $\frac{65}{100} \times x=0.65 x$

Equating both the equation gives

$\begin{gathered}0.6 x+2=0.65 x \\2=0.65 x-0.6 x \\2=0.05 x \\\frac{2}{0.05}=x \\40=x\end{gathered}$

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2 years ago

Which equation represents the relationship between the x-and y-values shown in the table? NEED ANSWER ASAP

Darina [25.2K]

Y=3x-4
Because your slope is 3 when you do change in y over change in x. Y intercept is neg 4.

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2 years ago

What is the Expanded Form for 27.39 using Powers Of 10's? Please help ASAP!!!

Licemer1 [7]

I think it's like 2.739 × 10

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3 years ago