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Reil [10]
2 years ago
5

TRUE or FALSE: Observational studies are used to determine causality between explanatory and response variables.

Mathematics
1 answer:
OlgaM077 [116]2 years ago
5 0

Answer:

True

Step-by-step explanation:

I'm pretty sure it true, sry if it's not

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Including a 6% sales tax, an inn charges $155.82 per night. Find the inn's nightly cost before tax is added.
Feliz [49]

we know the Inn is charging 155.82 and that's 100% plus 6%, namely 106% of an amout of say that is "x", being the 100%.

since we know that 155.82 is 106%, what is "x"?

\begin{array}{ccll} amount&\%\\ \cline{1-2} 155.82&106\\ x&100 \end{array}\implies \cfrac{155.82}{x}=\cfrac{106}{100}\implies \cfrac{155.82}{x}=\cfrac{53}{50} \\\\\\ 7791=53x\implies \cfrac{7791}{53}=x\implies 147=x

3 0
2 years ago
Sara has a gift box with a volume of 64 in3. The length, width, and height of the box are all y inches. Sara needs to determine
antoniya [11.8K]

Answer:

No, the note papers will not fit the gift box.

Step-by-step explanation:

Given that:

Volume of the gift box = 64 in^3

Length, width and height of the box all are equal to y inches.

Dimensions of note papers = 6 inch by 6 inch

To determine:

Whether the note papers will fit the bottom of the box?

Solution:

Here, we need to find the dimensions of the gift box first.

If the dimensions of gift box are greater than or equal to the dimensions of the note papers, only then the papers will fit into the box.

As per the given question statement, the gift box is in the form of a cube.

Formula for volume of a cube is given as:

Volume = (Side)^3

Side is given equal to y inches.

64 = y^3\\\Rightarrow y = 4\ in

Dimensions of the box are lesser than that of the note papers.

Therefore, <em>the note papers will not fit into the gift box</em>.

6 0
2 years ago
2x= -10 what is x??????
Reptile [31]
The correct answer is X = -5
5 0
3 years ago
For which inequality is {x | x R, x &gt; 6} the solution set?
CaHeK987 [17]

Answer:

C

Step-by-step explanation:

<em>B: 2X + 12 > 3</em>

2x > -9

x> -9/2

<em>C: 2X - 5 > 7</em>

2x > 12

x > 6

<em>D: 2x - 6 > 24</em>

2x > 30

x > 15

Hope this helps ^-^

6 0
2 years ago
If three sides of a triangle are represented by three consecutive odd numbers and the perimeter is 75cm.Find the length of the s
In-s [12.5K]
I hope this helps you

8 0
3 years ago
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