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Mkey [24]
3 years ago
10

MATH HELP!!!!!!!!!!!!!!1

Mathematics
1 answer:
torisob [31]3 years ago
5 0

Answer:

n = 18

Step-by-step explanation:

when you are multiplying, you add the exponents. 2 + x = 20. so by using subtraction we find that x = 18.

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Can someone please help me this this??
Brrunno [24]

Answers:

bio = 258

sociology = 169

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

Work Shown:

x = number of bio textbooks

y = number of sociology textbooks

x+y = 427 books sold total

y = x-89 since 89 less sociology textbooks were sold compared to bio

Apply substitution to get the following

x+y = 427

x+x-89 = 427 ... replace y with x-89

2x-89 = 427

2x = 427+89

2x = 516

x = 516/2

x = 258 bio textbooks were sold

y = x-89

y = 258-89

y = 169 sociology textbooks were sold

5 0
1 year ago
Round 35295 to the nearest thousand
Alex_Xolod [135]

35000, rounding down from five.

4 0
3 years ago
Read 2 more answers
28 girls and 38 boys volunteer to plant trees at a school. their teacher wants to put them in groups that have girls AND boys. h
Delvig [45]

Answer:

so 14 can go into 28, 2 times and 19 can go into 38 2 times so the techaer can make 2 group with 14 girls and 19 boys in each group.

Step-by-step explanation:

5 0
2 years ago
Please help! <br> I really don’t understand this
qwelly [4]

Answer:

12

Step-by-step explanation:

Rotation doesn't alter the lengths.

6×2 = 12

4 0
3 years ago
Read 2 more answers
Find an explicit rule for the nth term of the sequence. 7, -7, 7, -7, ...
skelet666 [1.2K]
Try a_n=7(-1)^{n+1}, where n\ge1.
6 0
3 years ago
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