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gregori [183]
3 years ago
10

What is the LCD of 2/5 and 1/10 ?

Mathematics
1 answer:
guajiro [1.7K]3 years ago
5 0
The answer is 10 because 5×2 is 10 and 10 times one is 10. So that's the lowest common denominator her.
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Find the total surface area of the square pyramid in the figure.<br><br> thanks!!
Viefleur [7K]

Answer:

B: 144 yd²

Step-by-step explanation:

It's a square pyramid : Base area 8 x 8 = 64

4 side area:((8 x5) /2) x 4 = 80

Total area: 64 +80 = 144

5 0
3 years ago
If -15 is added to a number, the sum will be 8 times the number. find the number
Pachacha [2.7K]
Equation: 8x= -15+x
answer: ⤵

x =  -  \frac{15}{7}




4 0
3 years ago
A recipe calls for 15 oz of flour for every 8 oz of milk .is the relationship between ounces of four and ounces of milk proporti
pantera1 [17]
Yes, they are proportional because if you increase or decrease either amount they will both change. They will always have the same size. For example if I want to double the flour, I will have to double the milk as well because they have the same ratio. 
6 0
3 years ago
Read 2 more answers
What + 89= 9(6+5) please solve for my answer and explain how you got your answer
nlexa [21]
The answer would be 10.

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This means 9(6+5) = 99

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6 0
3 years ago
How much chromium-51 will be left after 7 months?
Makovka662 [10]

Answer:

It seems there's more information in you question that you haven't posted.

7 months = 7 * (365/12) = 213 days

The half-life of chromium 51 is 27.7 days.

After 7 months, chromium 51 will have undergone 7.69 half-lives.

To solve for the ending amount we'll use the formula:

Ending Amount = Beginning Amount / 2^n where 'n' = # of half-lives

We'll say the beginning amount =1

Ending Amount = 1 / 2^7.69

Ending Amount = 0.0048426082

Basicaly if you started with 1 gram of chromium 51, after 7 months you would have 0.0048426082 grams.

Source: https://www.1728.org/halflife.htm

Step-by-step explanation:

6 0
3 years ago
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