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valina [46]
2 years ago
14

What integer makes this equation true? -2 + X = 10

Mathematics
2 answers:
Irina18 [472]2 years ago
6 0

Answer:

the answer is 12

Step-by-step explanation:

your welcome

liraira [26]2 years ago
5 0

Answer:

12 I think

Step-by-step explanation:

hope this helps

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What is the ratio unknown amount (x) invested in company A to the know amount ($24) invested in company B? Write the answer as a
lara [203]

Answer:

X/24

Step-by-step explanation:

he ratio of the unknown amount (x) invested in company A to the known amount ($24) invested in company B is X/24

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3 years ago
Jack said “5 times my age in 2 years is 100.” How old is jack now.
omeli [17]

Answer:

Jack is 18 years old

Step-by-step explanation:

100:5=20

20-2=<u>18</u>

8 0
3 years ago
A shopkeeper bought a pen at rs 20 and sold at rs25 find his profit or loss
Alina [70]
The profit is 5rs because 25-20=5rs
3 0
3 years ago
PLEASE PLEASE HELP
marta [7]

Answer:

Approximately 3 grams left.

Step-by-step explanation:

We will utilize the standard form of an exponential function, given by:

f(t)=a(r)^t

In the case of half-life, our rate <em>r</em> will be 1/2. This is because 1/2 or 50% will be left after <em>t </em>half-lives.

Our initial amount <em>a </em>is 185 grams.

So, by substitution, we have:

\displaystyle f(t)=185\big(\frac{1}{2}\big)^t

Where <em>f(t)</em> denotes the amount of grams left after <em>t</em> half-lives.

We want to find the amount left after 6 half-lives. Therefore, <em>t </em>= 6. Then using our function, we acquire:

\displaystyle f(6)=185\big(\frac{1}{2}\big)^6

Evaluate:

\displaystyle f(6)=185\big(\frac{1}{64}\big)\approx2.89\approx 3

So, after six half-lives, there will be approximately 3 grams left.

3 0
3 years ago
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