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brilliants [131]
2 years ago
12

Translate the algebraic expression below into a written expression.

Mathematics
1 answer:
tensa zangetsu [6.8K]2 years ago
6 0

Answer:

Its C

Step-by-step explanation:

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A pharmacist has 40% and 60iodine solutions on hand. How many liters of each iodine solutions will be required to produce 4 lite
Schach [20]

A pharmacist has 40% and 80% of iodine solutions on hand. How many liters of each iodine solution will be required to produce 4 liters of a 50% iodine mixture?

.

Let x = liters of 40% iodine

then

4-x = liters of 80% iodine

Using algebra:

.40x + .80(4-x) = .50(4)

.40x + 3.20-.80x = 2

3.20-.40x = 2

x = 4 liters (40% iodine)

80% iodine:

4-x = 4-4 = 0 liters needed (80% iodine)

4 0
3 years ago
If a randomizer picks seven letters from the alphabet (with repeats allowed), how many possible outcomes are there?
Virty [35]

Answer:

7×26=182

Step-by-step explanation:

I'm pretty sure that's the right answer but I just multiplied 26 by 7. Hope that helped!

7 0
3 years ago
What is the average for a half marathon time on a 35 year old man?
nevsk [136]
Average time for a 35 year old man to run half a marathon is 9:50:38
4 0
2 years ago
413 divided by 14 <br> How do you it?
guajiro [1.7K]
You can either do this on the calculator, or in your head. As its a larger number, it is worth doing it on the calculator.
413/14= 29.5
The alternative method is to list all of the tens multiples, and the smaller multiples when you're getting close to the answer, and this will be able to help you.
14x10= 140
14x20=280
14x30= 420 (which is slightly too big)
14x29= 406 (slightly too small)
14x29.5= 413

Hope this helps :)
5 0
3 years ago
Read 2 more answers
HELP ME IF RIGHT MARK BRAINLY
aalyn [17]

Answer:

A. m+7n+14

Step-by-step explanation:

Add parenthesis to help simplify.

(5m-4m)+(22-8)+7n

Simplify the expression.

m+7n+14

7 0
3 years ago
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