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Taya2010 [7]
3 years ago
8

I got 25 so I wanted to know if I'm correct

Mathematics
2 answers:
IgorC [24]3 years ago
6 0
Wrong correct answer is 55
kvasek [131]3 years ago
3 0
I feel it should be 30 because x represents the number of lessons, and 30 is multiplied by that.
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ILL BRAINLIEST YOU PLEASE HELP ME
Degger [83]

Answer:

63 cause there equal

Step-by-step explanation:

5 0
3 years ago
How many permutations can be made with the letters in the word Metallica
pentagon [3]
<h3>Answer:   90720 </h3>

===============================================

Explanation:

There are 9 letters in "Metallica", so there would be 9! = 9*8*7*6*5*4*3*2*1 = 362880 different permutations; however, this is only the case if we could tell the letters L and A apart.

We have two copies of each of those repeated letters, so we have to divide by 2!*2! = (2*1)*(2*1) = 4 to account for these repeats.

Because we can't tell the repeated letters apart, we really have (9!)/(2!*2!) = (362880)/(4) = 90720 different permutations.

5 0
3 years ago
High School sold tickets to the winter dance for $3.50 in advanced and $5.00 at the door. If 115 people attended the dance and H
klemol [59]

Answer: 3.5a+5b=470 and a+b=115

Step-by-step explanation:

6 0
2 years ago
Please just answer don’t ask
frozen [14]

Answer:

20

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5 0
3 years ago
Read 2 more answers
Simplify the expression. -5/8(-3/8-1/4) ​
prisoha [69]

Answer:

25/64

Step-by-step explanation:

To get this answer, first you need to use the distributive property:

(-3/8)(-5/8) - (1/4)(-5/8)

Next, multiply:

15/64 - (-5/32)

Change the negative signs into a positive sign:

15/64 + 5/32

Multiply 5/32 by 2 on both top and bottom:

15/64 + (5)(2)/(32)(2)

You will then get:

15/64 + 10/64

Now, add the numerators. You will get:

25/64

This is your answer. I hope it helped!

5 0
2 years ago
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