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RideAnS [48]
3 years ago
11

2x (3x5) - (8-3)= what is the answer please

Mathematics
1 answer:
bekas [8.4K]3 years ago
6 0

Answer:

2x15-5=30-5=25 So, the answer is 25.

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A rock concert promoter has scheduled an outdoor concert on July 4th. If it does not rain, the promoter will make $30,000. If it
Cerrena [4.2K]

Answer:

Their expected profit is $12,000.  I'd say it's reasonable, because the event wouldn't have been organized if the profit is expected to be negative.

The insurance company should charge $6,000.

Step-by-step explanation:

(a) 30,000 × .6 + (-15,000) × .4 = 12,000.

(b) 15,000 × .4 = 6,000.

7 0
4 years ago
Read 2 more answers
The numbers 38, 79, 17, 43, 74, 96, and 87 are re-arranged so that starting with the second number, the tens digit of each numbe
Elza [17]

Answer:

  38

Step-by-step explanation:

Sequential pairs will be ...

  38 - 87

  79 - 96

  17 - 74 or 79

  43 - 38

  74 - 43

  96 - (none)

  87 - 74 or 79

We notice that 17 has no preceding number. It must be first in the list. 79 cannot be second, because that skips a bunch of numbers. The sequence appears to be ...

  17 - 74 - 43 - 38 - 87 - 79 - 96

The 4th number in the list is 38.

5 0
2 years ago
What is the equation of the axis of symmetry for the function shown below? y-2=-(x+5)^2?
BigorU [14]
The axis of symmetry is x = -5
8 0
3 years ago
A certain forest covers an area of 3700 km² suppose that each year this area decreases by 8.25% what will the area be after six
Dafna11 [192]
<h3>♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ Find the multiplier:

1 - 0.0825 = 0.9175

final = original x multiplier^n

n is the number of years

Substitute in the values:

final = 3700 x 0.9175^6

Solve:

final = 2207.182081

The area will be 2207.18 km^2

<h3><u>✽</u></h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

7 0
3 years ago
How many whale sharks would a researcher need to measure so that 90% confidence level would have a margin of error of 0.25
Vika [28.1K]

About 1407 sharks would be needed to have a margin of error of 0.25

<h3>What is margin of error?</h3>

Margin of error is used to determine by what value there is deviation from the real value. Margin of error (E) is given by:

E=Z_\frac{\alpha}{2} *\frac{standard\ deviation}{\sqrt{sample\ size} }

The 90% confidence level have a z score of 1.645. Hence for E = 0.25, standard deviation = 5.7 feet, hence:

0.25=1.645*\frac{5.7}{\sqrt{sample\ size}}\\ \\sample\ size=1407

About 1407 sharks would be needed to have a margin of error of 0.25

Find out more on margin of error at: brainly.com/question/10218601

8 0
2 years ago
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