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nekit [7.7K]
3 years ago
12

How to solve it I am very confused

Mathematics
1 answer:
a_sh-v [17]3 years ago
6 0

Answer:

Answer:

53/12+28/3=13/34

Solution with Steps

53/12+28/3=?

The fractions have unlike denominators. First, find the Least Common Denominator and rewrite the fractions with the common denominator.

LCD(53/12, 28/3) = 12

Multiply both the numerator and denominator of each fraction by the number that makes its denominator equal the LCD. This is basically multiplying each fraction by 1.

(53/12×1/1)+(28/3×4/4)=?

Complete the multiplication and the equation becomes

53/12+112/12=?

The two fractions now have like denominators so you can add the numerators.

Then:

53+112/12=165/12

This fraction can be reduced by dividing both the numerator and denominator by the Greatest Common Factor of 165 and 12 using

GCF(165,12) = 3

165÷3/12÷3=55/4

The fraction

55/4

is the same as

55÷4

Convert to a mixed number using

long division for 55 ÷ 4 = 13R3, so

55/4=13 3/4

Therefore:

53/12+28/3=13/34

Solution by Formulas

Apply the fractions formula for addition, to

53/12+28/3

Reduce by dividing both the numerator and denominator by the Greatest Common Factor GCF(495,36) = 9

49/5÷93/6÷9=554

Convert to a mixed number using

long division for 55 ÷ 4 = 13 R3, so

554=1334

Therefore:

53/12+28/3=13 3/4

So I Believe 13 3/4  or 55/4

I hope this isn't wrong.

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Ostrovityanka [42]

<u>1</u><u>5</u><u> </u><u>inches</u> is the height of the pyramid

Step-by-step explanation:

The volume of a cube is a³

Given <em>a</em> = 5 inches

→ Volume = a³

= 5³

= 5×5×5

= <u>125 in²</u>

The volume of a pyramid is \frac{1}{3} {a}^{2}h

Given a = 5 inches , h = height of pyramid

=  >  \frac{1}{3} {a}^{2} h

=  >  \frac{1}{3}(5)^{2}h

=  >  \frac{1}{3} \times 25 \times h

=  >  \frac{25}{3}h

then,

125 =  \frac{25h}{3}

=  > 25h = 125 \times 3

=  > 25h = 375

=  > h =  \frac{375}{25}

=  > h = 15

Hence, the height of pyramid is <u>1</u><u>5</u><u> </u><u>inches</u>

7 0
2 years ago
What is the ratio of a : b, knowing that a — b = 3 <br> a + b = 5
UNO [17]

Answer:

4:1

Step-by-step explanation:

a — b = 3

then a= 3+b

a + b = 5

3+b +b = 5

3+2b=5

2b=5-3

2b=2

b=1

a= 3+b

a=3+1=4

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3 0
3 years ago
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svetoff [14.1K]

Trabajando con porcentajes, concluimos que la pérdida es de $4800.

<h3>¿A cuánto asciende la pérdida?</h3>

Sabemos que la inversión inicial es de $60000, y de esta cantidad, se pierde un 8%.

Entonces la pérdida va a ser el 8% de $60000.

Podemos escribir las relaciones:

$60000 = 100%

x = 8%

Queremos resolver esto para x, tomando el cociente entre esas relaciones y resolviendo para x obtenemos:

x = $60000*(8%/100%) = $60000*0.08 = $4800

Así, concluimos que la pérdida es de $4800.

Sí quieres aprender más sobre porcentages:

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6 0
2 years ago
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Answer:

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Step-by-step explanation:

7 0
3 years ago
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Answer:

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Step-by-step explanation:

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