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Sveta_85 [38]
2 years ago
15

Given that a = 17 m and b = 7.6 m, work out X.

Mathematics
1 answer:
Trava [24]2 years ago
5 0

Answer:

Step-by-step explanation:

a^2+b^2=c^2

17^2+7.6^2=c^2

\sqrt{17^2+7.6^2}=c

c=18.6214

corrected to 1dp= 18.6 m

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Step-by-step explanation:

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Lucy borrowed $425 from Colleen. Colleen charges Lucy 5.3% interest if Lucy pays Colleen back in 3 years how much does she pay C
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Answer: Lucy pays $ 492.58  back altogether.

Step-by-step explanation:

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7 0
3 years ago
3x + 17 + 5x = 7x + 10
Sphinxa [80]

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Step-by-step explanation:

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Hope that helps!

5 0
3 years ago
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Consider −75/3. Which TWO statements are correct?
kiruha [24]
B.) the quotient is -25
3 0
3 years ago
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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

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\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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