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Luda [366]
2 years ago
14

What is the missing number in the sentence below?

Mathematics
1 answer:
Karolina [17]2 years ago
3 0
The correct answer is A: 3. This is because...
3 * 4 = 12
12 * 5 = 60
Therefore, the answer is 60.
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A recent study suggested that 81% of senior citizens take at least one prescription medication. Amelia is a nurse at a large hos
Lady_Fox [76]

Null hypothesis: p = 0.81

Alternative hypothesis: p \ne 0.81

The null is based on a recent study that 81% of the population (in this case senior citizens) takes at least one medication. The alternative hypothesis is basically the flip of the claim made in the null.

If Amelia wanted to know if the percentage was less than 81%, then the alternative would be p < 0.81

If Amelia wanted to know if the percentage was larger than 81%, then the alternative would be p > 0.81

However, she wants to know if the percentage is 81%.

5 0
2 years ago
What is the degree of polynomial 2x^7+4-5x^8-4x
MAVERICK [17]

Answer:

15

Step-by-step explanation:

7+8

7 0
2 years ago
Writing an equation and drawing its graph to model a real-world situation: Advanced
Leokris [45]
Assuming that rent will always be constant.
C= 250×S+ 7500 for S>0
3 0
3 years ago
She finds that for every 4.5 feet below sea level the temperature reads 3.1 degrees cooler. What is the drop in temperature at 9
ss7ja [257]

Answer:6.2degrees

Step-by-step explanation:

4.5×2=9.0

You would double the temp.

3.1×2=6.2 degrees

8 0
3 years ago
Petco makes a profit of $9 per bag on its line of natural cat food. If the store wants to make a profit of at least
Nata [24]

Answer:

x ≥ 767

The number of bags sold must be greater than or equal to 767 to make a minimum profit of $6900.

Step-by-step explanation:

If they want a profit of at least $6900, then the total amount earned would have to be ≥ 6900. You can always earn more than $6900, but the lowest should be equal to $6900.

So if we use x as the number of bags sold, and we know that each bag will earn $9, then x • 9 ≥ 6900.

If we divide both sides by 9, then the number of bags sold must be ≥ 767.

8 0
3 years ago
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