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3 years ago

Find the difference of 58.2–27.674. a. 30.652 b. 30.526 c. 35.026 d. 35.620

Mathematics

2 answers:

d1i1m1o1n [39]3 years ago

7 0

Answer:

B. 30.526

Step-by-step explanation:

Just subtract.

58.20

-27.674

30.526

Pavel [41]3 years ago

4 0

Answer:

Step-by-step explanation:

You just subtract

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MrRissso [65]

Answer:

$A$ ≈ $127.39$ $ft^{2}$

Step-by-step explanation:

$A = a^{2}+2a\sqrt{\frac{a^{2}}{4}+h^{2} }$

a (base edge) = 6

h (height) = 7

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3 years ago

Which equation is correct?<br> x – 17 = 4<br> x – 4 = 17<br> x + 4 = 17<br> x + 17 = 4

slavikrds [6]

Answer:

1 and 2.....then 3 is a different question

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2 years ago

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Sam earns $54 275 in a year.

weqwewe [10]

Answer:

he would pay $8,293.5 in income tax.

Step-by-step explanation: he pays 15.280515891294% of his pay in tax. if the income rate was increased to 21% then he would pay 9,675.75‬ in taxes. Which is 1,382.25 more than 18% tax.

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3 years ago

Sabena invests $250 in an account that earns 2.4% interest per year compounded continuously. How many years will it take the acc

g100num [7]

Answer:

It'll take 7.5967 years to have $300 on that account.

Step-by-step explanation:

This problem involves a compounded interest compounded continuously, so in order to solve it we must use the formula for those cases as shown below:

M = C*e^(i*t)

Where M is the final value, C is the initial capital, i is the interest rate and t is the total time. We have:

300 = 250*e^(0.024*t)

e^(0.024*t) = 300/250

e^(0.024*t) = 1.2

0.024*t = ln(1.2)

t = ln(1.2)/0.024 = 7.5967

It'll take 7.5967 years to have $300 on that account.

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3 years ago

In the local frisbee league, teams have 7 members and each of the 4 teams takes turns hosting tournaments. At each tournament, e

mars1129 [50]

There are 4 teams in total and each team has 7 members. One of the team will be the host team.

Tournament committee will be made from 3 members from the host team and 2 members from each of the three remaining teams. Selecting the members for tournament committee is a combinations problem. We have to select 3 members out 7 for host team and 2 members out of 7 from each of the remaining 3 teams.

So total number of possible 9 member tournament committees will be equal to:

$7C3 \times 7C2 \times 7C2 \times 7C2\\ \\ = 324135$

This is the case when a host team is fixed. Since any team can be the host team, there are 4 possible ways to select a host team. So the total number of possible 9 member tournament committee will be:

$9 \times 324135\\ \\ =2917215$

Therefore, there are 2917215 possible 9 member tournament committees

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3 years ago