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maxonik [38]
3 years ago
13

The value of 3(2f+3) when f= 5

Mathematics
2 answers:
kolbaska11 [484]3 years ago
5 0

Answer:

39

Step-by-step explanation:

First since f=5 , you should get rid of the f

2 * 5 = 10

so now the equation is 3(10+3)

Then you add the numbers in the parentheses

10 + 3 = 13

Then multiply it by 3

3 * 13 = 39

39 is your answer

PtichkaEL [24]3 years ago
4 0

Answer:

39

Step-by-step explanation:

2x5=10

10+3=13

13x3=39

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Question 11
Anarel [89]

Answer:

the trainee calculated the incorrect amount

It should be 0.5 mL

Step-by-step explanation:

The physician orders penicillin 500,000 units for a patient while the concentration of the drug you have is 1,000,000 units/ 1mL. It's clear that 1mL drug is too much for the patient since 1,000,000 units are higher than 500,000 units.  

The amount of penicillin in 1.5 mL will be definitely higher than 1,000,000 units, so it must be a lot higher than the physician's orders. We can roughly guess that the trainee draws an incorrect amount.

To calculate the exact volume you need, you have to divide the amount of the drug you need with the concentration of the drug. The calculation will be:

the volume needed = amount of the drug you need/ concentration of the drug

volume needed =  500,000 units / (1,000,000 units/ 1mL)= 1/2 mL = 0.5 mL

8 0
3 years ago
A recipe that will make 3 pies calls for 7 cups of flour. Find how many pies can be made with 28 cups of flour.
pashok25 [27]

Answer:

My answer was wrong sorry

6 0
2 years ago
if you multiply the number by 2 and add 4, then result you get will be the same as three times the number decreased by 7.​
liraira [26]

Answer:

Step-by-step explanation:

Let the number be x,

2x+4 = 3x-7

Collect like terms

2x-3x= -4-7

-x =. -11

Multiply both sides by -1

x. =. 11

PLEASE MARK BRAINLIEST.

5 0
2 years ago
What is the approximate value of 31 square root? MAFS.8.NS.1.2<br> 5<br> 6<br> 15<br> 16
PtichkaEL [24]

Answer:

6

Step-by-step explanation:

\sqrt{31} =5.56

Since it's 5.56, you'll want to round UP because 5 is in the tenths and is closer to 6

4 0
2 years ago
Read 2 more answers
What is this "√", called?
Katyanochek1 [597]

That is called square root


6 0
3 years ago
Read 2 more answers
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