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WITCHER [35]
3 years ago
10

Which irrational number can be multiplied by –40 to get a product that equals 1?

Mathematics
1 answer:
kozerog [31]3 years ago
3 0
-0.025 x 40=1 
hope it help
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What single decimal multiplier would you use to increase by 2% followed by a 1% increase?
sesenic [268]

Answer:

1.0302

Step-by-step explanation:

The multiplier for a increase of a% is 1 + a/100.

The multiplier for a decrease of b% is 1 - b/100.

2% increase:

1 + (2/100) = 1 + 0.02 = 1.02

1% increase:

1 + (1/100) = 1 + 0.01 = 1.01

What single decimal multiplier would you use to increase by 2% followed by a 1% increase?

1.02*1.01 = 1.0302

The answer is 1.0302

6 0
3 years ago
A student reads 3⁄5 of a book in 30 minutes. How much of the book will be read, if the student reads at the same speed for 40 mi
klasskru [66]
The answer would be 24
3 0
3 years ago
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Petra is making necklaces to sell at craft. the hardware for each necklace is 3.75 and each bead costs 0.50. The number of beads
kap26 [50]

Answer:

T=112.5+0.50*b (since there was not a given number of beads)

4 0
3 years ago
Help pls not graded test
Arte-miy333 [17]

The missing angle of the given triangle  is 59°.

What is vertically opposite angles?

  Angles that are vertically opposed to one another are always equal to one another. A vertical angle and the angle to which it is next are also supplementary angles; that is, they sum up to 180 degrees. As an illustration, if two lines connect to form an angle, say X=45°, then the angle's opposite angle is also 45°.

Here consider angle with 31° and 49° triangle is 1. We know that sum of all angles in triangle is add upto 180°. Then,

⇒ 49°+31°+x = 180°

⇒ 80° + x= 180°

⇒x= 180°-80°=100°

Then unknown angle in triangle 1 ia 100°.

Now according to the vertically opposite angle theorem , opposite angles are equal to each other. Then ,

In triangle 2 angle is 100° and 21°. Then missing angle is,

⇒ 100°+21°+missing angle =180°

⇒Missing angle = 180°-100°-21°

⇒Missing angle = 59°

Therefore the answer is 59°.

To learn more about Vertical angle ,

brainly.com/question/18450499

#SPJ13

3 0
1 year ago
Which of the following shows that polynomials are closed under subtraction when polynomial x + 5 is subtracted from 3x2 + 2x − 6
Art [367]
For this case we have the following polynomials:
 P = 3x ^ 2 + 2x - 6

Q = x + 5
 By subtracting both polynomials we have:
 P - Q = (3x ^ 2 + 2x - 6) - (x + 5)

 What we must do is subtract terms of the same degree.
 We have then:
 P - Q = 3x ^ 2 + (2x - x) + (-6 - 5)

P - Q = 3x ^ 2 + x - 11
 Answer:
 
3x ^ 2 + x - 11 will be a polynomial
3 0
3 years ago
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