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Anni [7]
3 years ago
6

Which expression is equivalent to 5a/4-b/8

Mathematics
1 answer:
earnstyle [38]3 years ago
6 0

Answer:

(10a-b)/8

Step-by-step explanation:

LCM(4,8) is 8

Rewrite each fraction using common denominator = 8

5a/4 is 10a/8

10a/8 - b/8 = (10a-b)/8

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Harrizon [31]

Answer:

62.8cubic units

Step-by-step explanation:

volume of a cylinder isπ×radius×radius×height.hope it helps.

4 0
3 years ago
Carlos bought a $235 water heater with his credit card. He used the water heater for five years before replacing it. He paid off
Mazyrski [523]

First we will find the interest on:


P = $235 principal


t = 2 years


r = 0.1415 annual rate


A = future value 


I = A - P the interest


A = P(1 + r)^t


A = 235(1 + 0.1415)^2


A = $306.21


I = A - P


I = $306.21 - $235


I = $71.21


the interest was $71.21.



Next lets find the lifetime cost value:


Lifetime cost value = 306.21 + 5*1.56*52 + 5*0.78*52 = $914.61 (considering that 1 year = 52 weeks)



Now lets find the percentage what percentage the interest is of the lifetime cost:


(71.21/914.61)*100 = 7.79%

<span>← Previous Problem<span>Next Problem →</span></span>
3 0
3 years ago
1/3 cup of flour makes 5 dinner rolls. How many cups of flour for 1 roll? and how much flower for 36 rolls?
shtirl [24]
For one roll, you need to take that 1/3 cup and split it into 5 parts. To do this, divide by 5, which means the fraction becomes 1/15, giving you 1/15 cup flower for one roll.

36 rolls is just 36 times the one roll, which is 36/15 cups. You can divide both parts by 3 to make that 12/5 cups for 36 rolls.
8 0
3 years ago
Read 2 more answers
David’s father bought 5 smoothies. He paid $20. Write and solve an equation to find the cost of one smoothie.
Naya [18.7K]

Answer:

$4

Step-by-step explanation:

Because he bought 5 smoothies and they were each $20, you have to do 20÷5. Then you get $4 as your answer.

7 0
3 years ago
Read 2 more answers
Marine biked 3/4 of a mile on Monday. On Tuesday he biked 5 times this distance. The number of miles marine bikes on Tuesday is
PolarNik [594]

It's simple.  First, multiply 3/4 by 5.  As a decimal, this equals 3.75.  Therefore, the number of miles marine bikes on Tuesday is between 3 and 4.

Hope I helped! :)

4 0
3 years ago
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