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mart [117]
3 years ago
13

Que frações equivalentes a 3/4 tem denominador 65

Mathematics
1 answer:
LuckyWell [14K]3 years ago
7 0

Dada fração: 3/4

Necessidade de converter o denominador em 65.

Vamos supor que x deve estar no numerador (topo) das frações para obter 65 no denominador (abaixo) para obter a fração equivalente de 3/4.

Vamos definir uma atribuição.

\frac{3}{4}=\frac{x}{65}

Deixe-nos resolvê-lo por x agora.

Na multiplicação cruzada, obtemos

4x = 195.

Dividindo ambos os lados por 4, obtemos

x = 48.75

Assim, podemos fazer uma fração equivalente de 3/4, colocando 48.75 no topo do denominador 65.

Então, temos \frac{48.75}{68}

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2/3 written as a fraction with a denominator of 9
Usimov [2.4K]
6/9 just multiply both parts of the fraction by 3
5 0
3 years ago
Read 2 more answers
Find the sum of the geometric sequence –3, 15, –75, 375, … when there are 9 terms and select the correct answer below.
photoshop1234 [79]
Sn=sum of the n terms of the geometric sequence.
a= the first term
r=the common ratio
n=numbers of terms.

Sn=a[(1-r^n)/(1-r)]

In this case:
a=-3
r=a₂/a₁=15/-3=-5
n=9

S₉=-3[(1-(-5)⁹) / (1-(-5))=
S₉=-3(1+1953125)/6)=
S₉=-3(1953126/6)=
S₉=-3(325521)
S₉=-976563

<span>Answer: A. -976563

hope this helps :^)</span>
4 0
4 years ago
What is the slope of the line that contains the points (-5,3) and (-1,-5)?
avanturin [10]

Answer:

y= -2x-7

, slope = -2

Step-by-step explanation:

The slope of the line is -2.

6 0
3 years ago
Solve triangle PQR is PQ 9, PR 7, and QR 8. POR is NOT a right triangle.
zimovet [89]
Given => PQ = 9 unit
PR = 7 unit
QR = 8 unit

To find => Area of triangle PQR

We can find area of triangle by Heron's Formula.

Where,

s = (9+7+8)/3

= 24/3

= 8

and,
a = 9
b = 7
c = 8

Heron's Formula = \sqrt{s(s - a)(s - b)(s - c)}

= \sqrt{8(8 - 9)(8 - 7)(8 - 8)}

= \sqrt{8( - 1)(1)}

= \sqrt{ - 8}

= 2i \sqrt{2}

Area of triangle = 2i√2 units

Hope this helps!
3 0
3 years ago
Read 2 more answers
read the following numbers and decide what the next number should be.( 12 ,21, 23, 32 ,34 ,43, 45..) is the answer 38, 54, 58, 0
ozzi

It'd be 54. Its flipping the numbers, adding two, flipping again, repeat.


6 0
4 years ago
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