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xz_007 [3.2K]
2 years ago
9

Eduardo rented a bike from James' Bikes. It cost $19 plus $6 per hour. If Eduardo paid $49 then he rented the bike for how many

hours?
Mathematics
1 answer:
solniwko [45]2 years ago
8 0
So to solve this, you would have to write the equation, which is 49=6x+19

Then solve your equation.

49=6x+19
-19        -19
30=6x
/6     /6

5=x

So he rented it for 5 hours.

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3/8=a/2= 15/b<br>find a and b​
Studentka2010 [4]

Answer:

Step-by-step explanation

\frac{3}{8}=\frac{a}{2}\\\\\frac{3}{8}*2=a\\\\a=\frac{3}{4}\\\\\\\frac{3}{8}=\frac{15}{b}\\\\  3*b=15*8\\\\b=\frac{15*8}{3}\\\\b=5*8\\\\b=40

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Using powers of 10, which would be the best choice for the first number to subtract in the division problem 956 ÷ 87?
dlinn [17]

Answer:

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Step-by-step explanation:

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Help with this question!Please
Nimfa-mama [501]
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Consider the expression 25 – 10 ÷ 2 + 3.
Tems11 [23]

Given:

The expression is:

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To find:

Part A: The expression using parentheses so that the expression equals 23.

Part B: The expression using parentheses so that the expression equals 3.

Solution:

Part A:

In option A,

(25-10)\div 2+3=15\div 2+3

(25-10)\div 2+3=7.5+3                       [Using BODMAS]

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In option B,

25-10\div (2+3)=25-10\div 5

25-10\div (2+3)=25-2                      [Using BODMAS]

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In option C,

(25-10)\div (2+3)=15\div 5

(25-10)\div (2+3)=3

In option D,

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25-(10\div 2)+3=28-5                     [Using BODMAS]

25-(10\div 2)+3=23

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Therefore, the correct options are B and D.

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(25-10)\div (2+3)=3

Therefore, the correct option is C.

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