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Aneli [31]
3 years ago
7

The instructions for a cough syrup are to give 2 teaspoons (tsp) every 8 hours. the cough syrup is supplied in 150-ml bottles. h

ow many bottles must be purchased to treat 3 children for 5 days
Mathematics
1 answer:
lbvjy [14]3 years ago
3 0
2*3 = 6 teaspoons per day per child
6*5 = 30 teaspoons 
30*3 = 90 teaspoons 
You need 90 teaspoons

1 teaspoon = 4.9289 mL
90*4.9289 = 443.6010 mL
443.6010 / 150 = 2.9573 bottles

You need at least 3 bottles

You might be interested in
If 45% of a number, n, is 225, what is 74% of n?<br><br> A. 185<br> B. 298<br> C. 370<br> D. 406
Stolb23 [73]

Answer:

C

Step-by-step explanation:

4 0
3 years ago
John’s father is 5 times older than John and John is twice as old as his sister Alice. In two years time, the sum of their ages
oksano4ka [1.4K]

Answer:

8 years

Step-by-step explanation:

Let age of father be f

age of John be j

age of Alice be a

John's father is 5 times as old as John. We can write:

f = 5j

John is twice as old as Alice. We can write:

j = 2a

or

a = j/2

SUM OF ALL OF THEIR AGES (after 2 years) will be 58. We can write:

f+2 + j+2 + a+2 = 58

This becomes:

f + j + a + 6 = 58

f + j + a = 52

Now, we replace third equation with the first two (in bold) and get:

f + j + a = 52\\5j + j + \frac{1}{2}j=52\\6.5j=52\\j=8

So John is 8 years old

7 0
3 years ago
Help me I have no idea how to solve!
gayaneshka [121]
Are we solving for h?
V=πr²h+r²h
V=h(πr²+r²)
V/(πr²+r²) = h
8 0
3 years ago
Read 2 more answers
Enter the explicit rule for the sequence
Softa [21]
Let's take a look at the first few numbers in the sequence based on the given rule:

a_{1}=6\\ a_{2}= \frac{1}{4}(6)\\ a_3= \frac{1}{4}\big( \frac{1}{4}\big)6= \big(\frac{1}{4}\big)^2(6)\\ a_{4}= \frac{1}{4} \big(\frac{1}{4}\big)^26= \big(\frac{1}{4}\big)^3(6)

Inspecting this pattern it seems like the power \frac{1}{4} is being raised to is always one less than the number of the sequence, so if we were on the nth number in the sequence, that part of the expression would be \big(\frac{1}{4} \big)^{n-1}. We also know that we'll be multiplying whatever we get from that by 6, so we can write the full explicit rule for our sequence as

a_n=6\big( \frac{1}{4} \big)^{n-1}

Where a_n is the nth number in our sequence.
8 0
4 years ago
Please Help! I will give brainliest as long as it contains no links!
Sphinxa [80]

Answer:

5x+8=118

5x=110

x=22

hope this helps

have  a good day :)

Step-by-step explanation:

8 0
3 years ago
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