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gregori [183]
3 years ago
10

Question 27 twice a number x added to another number y gives 35 how ??

Mathematics
1 answer:
kenny6666 [7]3 years ago
5 0

Answer:

y+2x=35

so how to get that answer if you divided 35/2= 17.5  so 17 *2= 34 +y= 35

y =1

round it down one number so y can equal 1 then you get 35

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What is 1/3 of 48 in numbers
fiasKO [112]

Answer:

16

Step-by-step explanation:

Multiply it by 1/3 and it equals 16

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3 years ago
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Area of circle with diameter of 1 m?
Elena-2011 [213]

Answer:

A = 0.785m²

B = 31400cm²

C = 7850cm²

D = 785,000mm²

Step-by-step explanation:

To solve this question, we'll have to find the area of a circle which is

Area of a circle = πr²

1. The diameter of the circle = 1m

Area of a circle = πr²

r = radius of the circle

π = 3.14

Radius = diameter / 2

Radius = 1 / 2 = 0.5m

Area = 3.14 × (0.5)²

Area = 3.14 × 0.25

Area = 0.785m²

2. Radius = 100cm

Area of a circle = πr²

Area = 3.14 × (100)²

Area = 3.14 × 10000

Area = 31400cm²

3. Diameter = 100cm

Area = πr²

Radius = diameter / 2

Radius = 100 / 2

Radius = 50cm

Area = πr²

Area = 3.14 × (50)²

Area = 3.14 × 2500

Area = 7850cm²

4. Radius = 500mm

Area = πr²

Area = 3.14 × (500)²

Area = 3.14 × 250,000

Area = 785,000mm²

7 0
4 years ago
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Match the vocabulary word with the correct definition.
svetlana [45]

Answer:

1. right triangle - a triangle with one angle that measures 90 degrees

2.radius- a line segment from the center of a circle to any point on the circle

3. ray- a part of a line that has 1 endpoint that goes in one direction forever

4. rotational symmetry- a property that allows a figure to be rotated less than 360 degrees and still look the same

5. regular polygon- a polygon whose sides are all the same lengths and whose angles are the same measure

6. reflection- a transformation in which a figure is flipped across a line to give a mirror image of the original figure

Step-by-step explanation:

8 0
3 years ago
What is the probability that he will hit fewer than 8 of the bottles?
torisob [31]

Using the binomial distribution, it is found that the probability that he will hit fewer than 8 of the bottles is of 0.012, given by option A.

<h3>What is the binomial distribution formula?</h3>

The formula is:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

C_{n,x} = \frac{n!}{x!(n-x)!}

The parameters are:

  • x is the number of successes.
  • n is the number of trials.
  • p is the probability of a success on a single trial.

In this problem, we have that:

  • The probability of a bottle being hit is of p = 0.95.
  • There are n = 10 bottles.

The probability that he hits fewer than 8 of the bottles is given by:

P(X < 8) = 1 - P(X \geq 8)

In which:

P(X \geq 8) = P(X = 8) + P(X = 9) + P(X = 10)

Then:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 8) = C_{10,8}.(0.95)^{8}.(0.05)^{2} = 0.0746

P(X = 9) = C_{10,9}.(0.95)^{9}.(0.05)^{1} = 0.3151

P(X = 10) = C_{10,10}.(0.95)^{10}.(0.05)^{0} = 0.5987

Hence:

P(X \geq 8) = P(X = 8) + P(X = 9) + P(X = 10) = 0.0746 + 0.3151 + 0.5987 = 0.988

P(X < 8) = 1 - P(X \geq 8) = 0.012

The probability that he will hit fewer than 8 of the bottles is of 0.012, given by option A.

More can be learned about binomial distribution at brainly.com/question/24863377

#SPJ1

7 0
2 years ago
Jim drove 756 miles in 12 hours.<br> At the same rate, how many miles would he drive in 7 hours?
Citrus2011 [14]

Answer:

441

Step-by-step explanation:

Use a proportion.

756 miles is to 12 hours as x miles is to 7 hours

756/12 = x/7

12x = 7 * 756

12x = 5292

x = 441

Answer: 441 miles

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