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fiasKO [112]
3 years ago
14

The scatterplot shows the amount of sleep that Aria got the night before a test and her test scores. What type of relationship d

o you see between amount of sleep and test scores?
A. In general, Aria scores lower on a test when she sleeps more and scores higher on a test when she sleeps less.

B. In general, Aria scores higher on a test no matter how much she sleeps.

C. In general, Aria scores lower on a test no matter how much she sleeps.

D. In general, Aria scores higher on a test when she sleeps more and scores lower on a test when she sleeps less.

Mathematics
1 answer:
Alika [10]3 years ago
6 0

Answer:

the answer is letter D

Step-by-step explanation:

the more she sleeps the higher her test score

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Ruth found 37 tickets for $7. Please help Ruth by figuring out the ratio. (round to 2 decimal places)
Amanda [17]

Answer:

Ratio of ticket to its price is 1  :  0.189.

Step-by-step explanation:

Here, the cost of 37 tickets = $7

Let us find the unit cost of the ticket.

\textrm{Unit Price }  = \frac{\textrm{Total Price of n units}}{\textrm{n}}

\implies U = \frac{7}{37}=0.189

So, the unit price of each ticket = $0.189

Now, ratio of Each Ticket: Unit Price = 1 : 0.189

Hence, the ratio of ticket to its price is 1  :  0.189.

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3 years ago
25 POINTS WILL MARK RIGHT ANSWER AS BRAINLIEST! What is the value of x to the nearest tenth?
andreyandreev [35.5K]

Answer:

The value of x is 2.5 to the nearest tenth

Step-by-step explanation:

* Lets revise the trigonometry functions

- In any right angle triangle:

# The side opposite to the right angle is called the hypotenuse

# The other two sides are called the legs of the right angle

* If the name of the triangle is ABC, where B is the right angle

∴ The hypotenuse is AC

∴ AB and BC are the legs of the right angle

- ∠A and ∠C are two acute angles

- For angle A

# sin(A) = opposite/hypotenuse

∵ The opposite to ∠A is BC

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∴ sin(A) = BC/AC

# cos(A) = adjacent/hypotenuse

∵ The adjacent to ∠A is AB

∵ The hypotenuse is AC

∴ cos(A) = AB/AC  

# tan(A) = opposite/adjacent

∵ The opposite to ∠A is BC

∵ The adjacent to ∠A is AB

∴ tan(A) = BC/AB

* Now lets solve the problem

∵ x is opposite to the angle of measure 23°

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∴ tan(23°) = x/6 ⇒ × 6 to both sides

∴ x = 6 × tan(23°) = 2.5

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7 0
3 years ago
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