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elena55 [62]
3 years ago
13

Larry spent a total of $\$64.24$ on four books. If each book cost the same amount, how many dollars did each book cost? Express

your answer as a decimal.
Mathematics
1 answer:
ASHA 777 [7]3 years ago
4 0

Step-by-step explanation:

64.24  = 4x \\  \frac{64.24}{4}  =  \frac{4x}{4}  \\ 16.06 = x

so one book is $16.06

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A graduate student is designing a research study. She is hoping to show that the results of an experiment are statistically sign
mamaluj [8]

The required type of p-value would she want to obtain is small p-value.

<h3>What is hypothesis test?</h3>

Hypothesis testing is a type of measurable surmising that utilizes information from an example to make inferences about a populace boundary or a populace probability distribution. Initial, a speculative supposition that is made about the boundary or dispersion.

<h3>According to question:</h3>

P-value  shows that the outcomes are genuinely huge.

P-value  in Measurements assists with performing speculation test and it assists with deciding the meaning of the outcomes.

A little P-value  commonly (P<0.05) demonstrates solid proof against the invalid speculation in this way, we reject the invalid speculation, on opposite when P-esteem is enormous we can't dismiss the invalid speculation.

Thus, required answer is small p-value.

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3 0
1 year ago
Sara made an error in solve the one-step equation below.5x + 9 = 29-9 -9- 4x = 29/4. /4x = -7.25What is the error that Sara made
MAXImum [283]
5x+9=29

To solve this one-step equation you:

1. Substract 9 in both sides of the equation:

In this step is the mistake as Sara gets as result -4x=29 and the corret result of substract 9 in both sides of the equation is 5x=20.

2. Divide both sides of the equation into 5:

Then, the answer that Sara should found for the equation is x=4

8 0
1 year ago
Draw and label all three side lengths and angle measures of a right triangle that has a 40° angle and a hypotenuse 10 cm long.
Elodia [21]

Answer:

Right Triangles and the Pythagorean Theorem

1.The Pythagorean Theorem, a2+b2=c2, a 2 + b 2 = c 2 , can be used to find the length of any side of a right triangle.

2.The side opposite the right angle is called the hypotenuse (side c in the figure).

4 0
2 years ago
What is the tangent of 42 degree angle
shepuryov [24]

Hello!

To find our answer, we just use a scientific calculator (you cannot calculate it by hand).

tan42≈0.9

Therefore, our answer is about 0.9.

I hope this helps!

6 0
3 years ago
$1725 couch with a 15% markup
Sloan [31]
1725+1725x0.15=t
1725+258.75=t
1983.75=t

The total cost of the couch is $1983.75
8 0
3 years ago
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