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QveST [7]
1 year ago
11

Question 7 of 10 A medical company tested a new drug for possible side effects. The table shows the relative frequency that a st

udy participant experienced the side effect. No side effect Side effect 0.21 029 0.06 Do these data suggest an association between age and experiencing side effects? A No. A greater percentage of both adults and children had no side effects B. No. Adults were as likely to experience side effects as children. C. Yes. A greater percentage of adults experienced side effects than children D. Yes. A greater percentage of children experienced side effects than adults.

Mathematics
1 answer:
Temka [501]1 year ago
6 0

yes, the data suggest an association between age and experiencing side effects.

In children no side effects are greater than adults.

In other words, adults experienced side effects than children. The answer is c.

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Given (21,7) and (x,<br> 1), find all x such that the distance between these two points is 17.
Dmitriy789 [7]

Answer:

21+/-sqrt(253)=x

So one value for x is 21+sqrt(253)

and another is 21-sqrt(253)

Problem:

Given (21,7) and (x,1), find all x such that the distance between these two points is 17.

Step-by-step explanation:

Change in x is x-21

Change in y is 7-1=6

distance^2=(change in x)^2+(change in y)^2

17^2=(x-21)^2+(6)^2

289=(x-21)^2+36

Subtract 36 on both sides:

289-36=(x-21)^2

253=(x-21)^2

Take square root of both sides:

+/-sqrt(253)=x-21

Add 21 on both sides:

21+/-sqrt(253)=x

6 0
3 years ago
Kiyo bought a pizza for $12.75 and four medium drinks at Paola’s pizza. Define a variable and write an expression to represent t
Travka [436]
Y = total amount of money spent
x = cost of one drink

So our expression is:
4x + 12.75

4x stands for 4 drinks times x price of one drink
The 12.75 is a one time fee for the pizza, since Kiyo isn't buying multiple pizzas.

The problem also asks us to find the total price, so we write an equation:

y = 4x + 12.75
We insert what x is which in this case is $3
y = 4(3) + 12.75
Order of Operations tells us to multiply first:
y = 12 + 12.75
Now add your values:
y = 24.75
Therefore, Kiyo spent a total amount of 24.75 at Paola's pizza.

Let's check our problem just in case:

24.75 = 4x + 12.75
Since we now know what y is equal to, we can plug that into our original equation and check just to verify

We should subtract 12. on both sides of the equation because of inverse operations:

24.75 - 12.75  = 12.75 - 12.75 + 4x
We are left with:

12 = 4x
We divide:
\frac{12}{4}  =  \frac{4x}{4}
Our result is:
3 = x
Which checks out because each drink was in fact, $3 dollars as stated in the word problem. Hope that was thorough enough.


4 0
3 years ago
What is the solution to the following equation?<br> -50 = -5x - 3(5x + 15)
Oksanka [162]
The answer is x= 1/4
4 0
3 years ago
Read 2 more answers
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Eddi Din [679]

Answer:

1 7/8

Step-by-step explanation:

The answer is 1 7/8.

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A class is made up of 10 boys and 4 girls. Half of the girls wear glasses. A student is selected at random from the class what i
ZanzabumX [31]

Answer:

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Half the girls where glasses so 2 girls.

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Read 2 more answers
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