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Radda [10]
4 years ago
11

7a – b = 15a, for a does anyone have a clue what this is

Mathematics
2 answers:
wariber [46]4 years ago
8 0
Welp its kinda easy you are trying to get b so 7a-7a 15a-7a equals 8a
Elza [17]4 years ago
4 0
Im new here, Could anyone help me
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Please help if you can. Thanks!
Bond [772]
The area of the shaded region is 85 units cubed.
4 0
3 years ago
Read 2 more answers
Please i need help!!!
Aloiza [94]

Answer:

a. 2,112

b. 64

Step-by-step explanation:

a. Using the explanation in B, let's find every term and add them.

<u>Work:</u>

96, 94, 92, 90, 88, 86, 84, 82, 80, 78, 76, 74, 72, 70, 68, 66, 64, 62, 60, 58, 56, 54, 52, 50, 48, 46, 44, 42, 40, 38, 36, 34, 32.

32 is the 34th term, the last row.

<u>Add:</u>

2,112 books is your answer.

b.The following is a sequence, meaning that there's a repeated change for every number.

This change is: -2

We're asked to find the 17th term.

<u>Work:</u>

96, 94, 92, 90, 88, 86, 84, 82, 80, 78, 76, 74, 72, 70, 68, 66, 64.

64 is the amount of books on the 17th row.

*64 is the 17th term.

4 0
3 years ago
Find the coefficient of x^4 in the expansion of<br> (2x+1)^12
harina [27]

Answer:

7920

Step-by-step explanation:

you can use the binomial theorem obviously but you can also use symbolabs or wolframalpha and just solve it like that.

7 0
3 years ago
I need help answering
Slav-nsk [51]
13 *72.10 = 937.30 rupees

3 0
3 years ago
I need help with this question
kaheart [24]

Answer:

your answer is 7x square root ÷ 3/90

3 0
4 years ago
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