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Karo-lina-s [1.5K]
3 years ago
8

ON B ONLY (7th grade math) please help!!!

Mathematics
1 answer:
Alexxx [7]3 years ago
4 0

Answer:

I think 3 I dont know for sure because I did t do this in 7th grade

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3=c/5+2... how do I solve for c??
expeople1 [14]
Primeiro Você IRA Dividir o c (APENAS Colocar 5 + 2 embaixo do c). Depois faça a soma 5 + 2 = 7. Então faça o mmc (mínimo múltiplo comum) entre 7 e 1(o 1 é invisível, mas continua estando embaixo do 3). Deu 7 o mmc. Transforme seus números em frações, com o denominador 7. Transforme os números em frações o 3 virá 21, pois você divide em baixo e multiplica em baixo, e o c continua normal, pois já estava em baixo de 7. Como é para descobrir uma incógnita você tira os denominadores e ficará 21 = c.

3 = c/5 + 2
3 = c/7
21/7 = c/7
21 = c
4 0
3 years ago
Read 2 more answers
12 divided by 18/25 is?!?!
alexgriva [62]

Answer:

16.6

Step-by-step explanation:

5 0
3 years ago
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Decrease £13.20 by 15% <br><br> With an explanation (working out) plzzzz
algol [13]

Answer:

£11.22

Step-by-step explanation:

100% = £13.20

50% = £6.60

10% = £1.32

5% = £0.66

so you would add 10% and 5% together which gives you 15% and 15% is £1.98

and then you could to £13.20 - £1.98 which equals to £11.22  

6 0
3 years ago
21. Find the measures of the numbered angles.
rodikova [14]

Answer:

1: 76°

2: 76°

3: 104°

4: 76°

Step-by-step explanation:

1: 76°

2: 76°

3: 104°

4: 76°

5 0
4 years ago
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A 10.5 ounce package costs $2.98 A 27.8 ounce package costs $8.99 which is the better deal based on the unit price. Round your a
liraira [26]
2.98 ÷ 10.5 = .28
8.99 ÷ 27.8 = .32

The best deal is the 10.5 ounce package since the cost is 28 cent an ounce.
8 0
3 years ago
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