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Arturiano [62]
2 years ago
14

Please help ill give brainliest

Mathematics
1 answer:
Sveta_85 [38]2 years ago
3 0

Answer:

\sf A . \sf \frac{3}{-7}

\sf E. \sf -( \frac{-3}{-7} )

This above options makes the expression true.

  • The negatives above can be distributed up as well, which happened in A.
  • In E, when the negatives inside the bracket cancels out, the negative outside the brackets multiplies and makes the expression true.
  • In B the expression turns positive, thus false same happens with C and D
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How many three digit numbers greater than 540 can be formed using the digits<br> 0,2,4,5,6,8 ?
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Answer:

     

Step-by-step explanation:

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2 years ago
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A school baseball team raised $810 for new uniforms.Each player sold 1 book of tickets.There were 10 tickets in a book and each
Leviafan [203]

Answer:

The school baseball team sold 270 tickets

Step-by-step explanation:

Step 1

Identify the total amount of tickets sold by each player;

1 player=1 book of tickets

But 1 book=10 tickets

Step 2

Express the total cost of ticket sales per book as follows;

total cost=cost per ticket×number of tickets per book

where;

cost per ticket=$3

number of tickets per book=10

replacing;

total cost=(3×10)=$30

Step 3

Using the expression below, solve for the number of tickets sold

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where;

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number of tickets sold=n

replacing;

810=3×n

3 n=810

n=810/3=270

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The school baseball team sold 270 tickets

5 0
3 years ago
I got this wrong on a test and I can't understand it. Can someone explain? I figured out it was compound interest, but I dont kn
Oliga [24]
A = P(1+i)ⁿ ==> compound interest where P= initial Capital, I =interest in% and n the number of years. A is the total amount collected over n years

A= 500(1.0325)¹² ==> 500(1+0.0325)¹² ==> 500(1+3.25%)¹²
The mistake is:
Either she has a yearly interest of 3.25% & she wrote 12 instead of 3 (years)
OR
She got a quarterly interest of 3.25% and in this case she should have divided 3.25& by 12 (4 quarter a year ==> 12 quarter for 3 years) by keeping as exponent the number 12 (right)

1)Now the Amount of A (as she wrote it) =500(1.0325)¹² = 734
2) If she wrote 12 instead of 3, and after correction A=500(1.0325)³ =550
3) But if she had taken the quarterly interest for a period of 3 years (12 Qrtr)
 then A =500[1+(3.25%)/4]¹² = 551


3 0
3 years ago
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Which of the following equations is equivalent to 2log4x − log49 = 2
arsen [322]

Answer:

Step-by-step explanation:

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