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Nady [450]
3 years ago
6

Please help me to solve this question ​

Mathematics
2 answers:
Nuetrik [128]3 years ago
7 0
2/5 hope this helps you
klasskru [66]3 years ago
6 0

Answer:

2/5

Step-by-step explanation:

Because when you subtract you do you get it.

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A factory manufactures a metal piece in 32 minutes. New technology allowed the
Scorpion4ik [409]

It takes 28 minutes to manufacture the piece now.

<u>Step-by-step explanation:</u>

It is given that,

  • A factory manufactures a metal piece in 32 minutes.

After the new technology,

  • the  factory cut that time by 8%.

Therefore, the time after the new technology is known by reducing the 8% of total time from the 32 minutes.

⇒ 8% of 32 = (8/100) × 32

⇒ 0.08 × 32

⇒ 2.56 minutes

The time after the new technology allowed = 32 minutes - 2.56 minutes

⇒ 29.44 minutes.

Again,

  • the time is cut by 5% after the another improvement.

Therefore, the time after the another improvement  is known by reducing the 5% of previous time 29.44 minutes.

⇒ 5% of 29.44 = (5/100) × 29.44

⇒ 0.05 × 29.44

⇒ 1.472 minutes

The time after the another improvement = 29.44 minutes - 1.472 minute

⇒ 27.9 minutes. (Which is approximately 28 minutes)

3 0
4 years ago
Read 2 more answers
9. Simplify the expression. 4x + 7y - 2 + 6y + 6y - 8x - 5 Your answer
morpeh [17]

Answer:

9. -4x+19y-7

10. 7x+20

Step-by-step explanation:

9. To simplify this expression, simply combine like terms. Add all of the terms with the x variable together, then the terms with the y variable, then the constant terms. I will show this step by step, but usually you do not have to show this work. The order of the terms does not matter.

x variable terms: (4x-8x)+7y-2+6y+6y-5= -4x+7y-2+6y+6y-5

y variable terms: (7y+6y+6y)-4x-2-5=19y-4x-2-5

constant terms: (-2-5)-4x+19y=-4x+19y-7

10. To simplify this expression, expand all terms and then combine like terms. The first term can be expanded by multiplying each term in the parentheses by 2.

Expand terms: 2(5+3x)+(x+10)= 10+6x+x+10

Now, you can combine like terms as done on the last problem. Note that I got rid of the parentheses in the second term, as they did not matter (since there was no term in front of them).

x variable terms: (6x+x)+10+10=7x+10+10

constant terms: (10+10)+7x=7x+20

4 0
3 years ago
Read 2 more answers
Two birds sit at the top of two different trees. The distance between the first bird and a birdwatcher on the ground is 32 feet.
mestny [16]

Answer:

x = 45.3°

Step-by-step explanation:

The distant between the first bird and the bird watcher is opposite to the reference angle, x° = 32 ft

The hypotenuse is the distance between the second bird and the bird watcher = 45 ft.

Therefore,

sin(x) = \frac{opp}{hyp} = \frac{32}{45}

sin(x) = \frac{32}{45} =  0.7111

x = sin^{-1}(0.7111)

x = 45.3

6 0
3 years ago
Find the exact area of the sector of the circle with the following radius and central angle
Lostsunrise [7]
THe area of the whole circle is pi r^2  = 6^2 * pi = 36pi

There are 360 degrees in a crcle so this sectors area i (30/360) *36pi

=  3 pi
5 0
4 years ago
Which of the following triangle cases may have one, two, or zero solutions?
Troyanec [42]
Boi we cant see it wyd
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3 years ago
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