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kvv77 [185]
2 years ago
11

Janelle is conducting an experiment to determine whether a new medication is effective in reducing sneezing. She finds 1,000 vol

unteers with sneezing issues and divides them into two groups. The control group does not receive any medication; the treatment group receives the medication. The patients in the treatment group show reduced signs of sneezing. What can Janelle conclude from this experiment?
Mathematics
1 answer:
Sonja [21]2 years ago
8 0

Answer:Janelle can conclude that it helps sneezing but she should have more trials to make sure the results are accurate and also put in a placebo to reduce bias.

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Quadrilateral A′B′C′D′ is obtained by a reflection across the y-axis of quadrilateral ABCD, followed by a translation 3 units to
nlexa [21]

Let's solve this problem step by step.


FIRST. <em>Quadrilateral A′B′C′D′ is obtained by a reflection across the y-axis of quadrilateral ABCD</em>


When we reflect a point across the y-axis, the y-coordinate remains the same, but the x-coordinate changes in sign. So:

(x, y) → (-x, y)


SECOND. <em>Followed by a translation 3 units to the left and 3 units down.</em>

To translate a point <em>3 units to the left</em> subtract 3 from the x-coordinate and to translate a point <em>3 units down </em>subtract 3 from the y-coordinate. Therefore, the function we are looking for is:


f(x, y) = (-x - 3, y - 3)

4 0
2 years ago
A store is selling 5 cans of tomato sauce for $4.50. What is the unit price?
NARA [144]
Hi there! The answer is $0.90

To find the price per unit we must divide the total amount of money by the amount of units sold. So we get the following:
$4.50 / 5 = $0.90
4 0
2 years ago
Read 2 more answers
. A condo in Orange Beach, Alabama, listed for $1.4 million with 20% down and financing at 5% for 30 years. What is the monthly
vovikov84 [41]
Listed price = $1.4 million
Down payment = 20% of $1.4 million = 0.2 x 1,400,000 = 280,000
Amount left to pay = $1.4 million - 280,000 = $1,120,000
Present value of an annuity is given by PV = P(1 - (1 + r/t)^-nt) / r
where: PV = $1,120,000
r = 5% = 0.05
t = 12
n = 30 years.
1,120,000 = P(1 - (1 + 0.05/12)^-(12 x 30)) / 0.05
1,120,000 x 0.05 = P(1 - (1 + 1/240)^-360)
56,000 = P(1 - 0.2238)
P = 56,000 / 0.7761 = 72,148.83
Therefore, the monthly payment is $72,148.83
8 0
2 years ago
Ryan is trying a low-carbohydrate diet. He would like to keep the amount of carbs consumed in grams between the levels shown in
nydimaria [60]

Answer:

50

Ryan would like to eat <em>more than</em> 50 carbs per day, but <em>no more than</em> 150 carbs per day.

So, Ryan's total carb intake must be <em>between </em>50 and 150 carbs.

Step-by-step explanation:

So he wants to keep his consumption of carbs between the inequalities:

110

So, let's solve both inequalities.

1)

110

Subtract 10 from both sides:

100

Divide both sides by 2:

50

2)

2x+10

Subtract 10 from both sides:

2x

Divide both sides by 2:

x

So, our inequality is now:

110

Since we solved the equations:

50

Written as a compound inequality, this is:

50

In other words, Ryan would like to eat <em>more than</em> 50 carbs per day, but <em>no more than</em> 150 carbs per day.

So, Ryan's total carb intake must be <em>between </em>50 and 150 carbs.

4 0
2 years ago
Read 2 more answers
A biology teacher has 555 different pets they keep in their classroom. For an upcoming holiday break, the teacher will send the
oksian1 [2.3K]

Answer:

who the hell has 555 diffent pets

3 0
2 years ago
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