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Andrej [43]
3 years ago
8

-7x-3 (9-7x) if x = -1. with work because I don't understand :(

Mathematics
1 answer:
kirill [66]3 years ago
6 0
-7(-1) -3(9-7(-1))
-7-3(9+7)
7- 3(16)
7- 48
-41
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If l = 65 cm and j = 33 cm, what is the length of k?
erastova [34]

Answer:

d=56

l=65, j=33

l^2 -j^2

65^2-33^2

4225-1089= 3136

√3136=56

7 0
3 years ago
Read 2 more answers
PLEASE HELP ME
AleksAgata [21]

Answer:

The distance between point N and S is 8 units.

Step-by-step explanation:

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3 years ago
Solve for m. m/9 +16 <17
-Dominant- [34]
Any negative number
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3 years ago
How to factor this equation.<br><br>n^2-64
stellarik [79]
a^2 -b^2 = (a+b)(a-b)&#10;&#10;
i would suggest memorizing this

hence
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3 0
3 years ago
A store sells tents,sleeping bags,and campstools.A customer buys a tent, 2 sleeping bags, and 3 campstools for 212$.the price of
igor_vitrenko [27]

The cost of each campstools, tent and sleeping bag is $20, $100 and $26

let

tent = 1

sleeping bags = 2

campstools = 3

Total cost = $212

tent = t

sleeping bags = s

campstools = c

If

t = 5c

s = c + 6

Total = t + 2s + 3c

212 = 5c + 2(c + 6) + 3c

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212 = 10c + 12

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200 = 10c

c = 200/10

c = 20

t = 5c

= 5 × 20

= 100

s = c + 6

= 20 + 6

= 26

Therefore, the cost of each campstools, tent and sleeping bag is $20, $100 and $26

Learn more about equation:

brainly.com/question/4916384

4 0
3 years ago
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