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jeyben [28]
3 years ago
6

Which equation represents the number of hours he runs each week?

Mathematics
1 answer:
liubo4ka [24]3 years ago
5 0
G is incorrect the correct answer is j for many reasons
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Simplify 3a+4+b+2a+5+b
Alinara [238K]

Answer: 5 a + 2 b + 9

Step-by-step explanation: Hope this helped!!!!

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3 years ago
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Find the sum of this arithmetic series.<br> | 26 + 24.5 + 23 + 21.5 + ... - 17.5
emmainna [20.7K]

Answer:

127.5

Step-by-step explanation:

The given series is 26 + 24.5 + 23 + 21.5 + ... - 17.5

The first term of this series is a=26

The common difference is d=24.5-26=-1.5

The last term of the series is -17.5

The nth term is given by:

u_n=a+d(n-1)

26+-1.5(n-1)=-17.5

-1.5n=-17.5-26-1.5

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n=30

The sum of the series:

S_{n}=\frac{n}{2}(a+l)

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S_{30}=127.5

8 0
3 years ago
Manu picked 10 apples, and then Sten gave him 10 more. Manu gave 5 of the apples to Klara. How many
Masteriza [31]

Answer:

15

Step-by-step explanation:

4 0
3 years ago
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Can i get some help :
Charra [1.4K]

Answer:

b = \frac{7}{12}

Step-by-step explanation:

b + \frac{2}{3} = 1 \frac{1}{4} ← change to an improper fraction

b + \frac{2}{3} = \frac{5}{4}

Multiply through by 12 ( the LCM of 3 and 4 ) to clear the fractions

12b + 8 = 15 ( subtract 8 from both sides )

12b = 7 ( divide both sides by 12 )

b = \frac{7}{12}

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2 years ago
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It is A , I'm pretty sure
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3 years ago
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