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seraphim [82]
3 years ago
14

Ayuda resta de fracciones (+4/7) - (3/7)

Mathematics
2 answers:
Ivanshal [37]3 years ago
7 0

Answer:

Step-by-step explanation:

así que lo primero que harías es ... alinearlos así ...(el primer archivo)

Entonces para solucionarlo ...(El segundo archivo).

¡Espero que esto sea correcto y ayude!

DanielleElmas [232]3 years ago
6 0

Answer:

Step-by-step explanation:

=4/7-3/7

=4-3/7

=1/7

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How many feet long is the shadow of a 15-foot flagpole if a 5-foot woman standing at the base of the flagpole has a shadow that
Vikentia [17]

The height of flagpole is 12.5 feet.

Step-by-step explanation:

Given,

Height of woman = 5 foot

Shadow of woman = 6 feet

Ratio of height to shadow = 5:6

Shadow of flagpole = 15 foot

Height of flagpole = x

Ratio of height to shadow = x:15

Using proportion;

Ratio of height to shadow :: Ratio of height to shadow

5:6::x:15\\

Product of mean = Product of extreme

6*x=15*5\\6x=75

Dividing both sides by 6

\frac{6x}{6}=\frac{75}{6}\\x=12.5

The height of flagpole is 12.5 feet.

Keywords: ratio, proportion

Learn more about proportion at:

  • brainly.com/question/9527422
  • brainly.com/question/9381523

#LearnwithBrainly

8 0
3 years ago
Bob just turned 66 years old and is considering retirement. His average annual salary over the last 35 years is $50,760. Assumin
vova2212 [387]
50,760*.42 = $21,319.20
8 0
3 years ago
Read 2 more answers
1
Mkey [24]

4th square = 16

2nd square = 4

16×4

=64

7 0
3 years ago
a cylinder water tank carries a volume of 150L when it is full. The water tank has a base surface with a diameter of 140 cm. wha
REY [17]

Answer:

9.74418019cm=h

~ 9.7442

Step-by-step explanation:

volume of a cylinder=πr²h

radius=½of diameter

=½×140cm

=70cm

1l=1000cm³

150l=150l/1l×1000cm³

=150000cm³

150000cm³=π(70cm)²×h

150000cm³=15393.8040cm²h

150000cm³/15393.8040cm²=15393.8040cm²h/15393.8040cm²

150000cm³/15393.8040cm²=h

9.74418019cm=h

7 0
3 years ago
For the points in the table, does pressure vary directly with volume? If so, identify k and write an equation. No, this is not a
wel
Can't see the table but direct variation is: y = kx
So if the output is some constant multiple which could be positive, negative or fraction then yes it is direct variation. So just divide a couple y/x = k to see what you get.
7 0
3 years ago
Read 2 more answers
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