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3 years ago

How many factors does a composite have?

Mathematics

1 answer:

xenn [34]3 years ago

3 0

Answer:

Fist off composite numbers are whole numbers. And they have at least 3 factors.

Step-by-step explanation:

For example the number 6.

1 X 6= 6

2 X 3= 6

3 X 2= 6

6 X 1=6

It has 4 factors. The factors are 1,2,3,6.

Hope this helped :)

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In a swim-and-run biathlon, An Athlete must get to a point on the other side of a 50 meter wide river, 100 meters downstream fro

ludmilkaskok [199]

Answer:

running distance = 78,18 m

swimmingdistance = 92m

Step-by-step explanation:

Ann has to run a distance 100 - x and swim √ (50)² + x²

at speed of 5 m/sec and 2 m/sec

As distance = v*t t = d/v

Then running she will spend time doing d = ( 100-x)/5

and √[(50)² + x² ] / 2 swimming

Therefore total time of biathlon

t(x) = ( 100 - x )/5 + √[(50)² + x² ] / 2

Taking derivatives both sides of the equation we get

t´(x) = - 1/5 + [1/2 ( 2x)*2] / 4√[(50)² + x²]

t´(x) = - 1/5 + 2x / 4√[(50)² + x²] t´(x) = - 1/5 + x/2√(50)² + x²

t´(x) = 0 - 1/5 + x/2√(50)² + x² = 0

- 2√[(50)²+ x²] + 5x = 0

- 2√(50)²+ x² ) = -5x

√(50)²+ x² = 5/2 *x

squared

(50)² + x² = 25/4 x²

2500 - 21/4 x² = 0

x² = 2500*4/21

x = 21,8 m

Therefore she has to run 100 - 21,82 = 78,18 m

And swim √(50)² + (78,18)² = 92m

5 0

4 years ago

Which of these statements is true?

zaharov [31]

Answer:

Step-by-step explanation:

I took the test

8 0

3 years ago

Find the slope of the line passing through (-4, 1) and (-1, -2).

Oksana_A [137]

Answer: 1

Step-by-step explanation:

Y2 - Y1 / X2 - X1

-2 - 1 = -3

-1 - -4 = 3

-3/3 = 1

3 0

3 years ago

Read 2 more answers

London mixes 6 parts yellow paint with 3 parts blue paint to make green. She adds 1 more part of yelow to change the

Stella [2.4K]

Answer:

The new ratio is $\frac{7}{3}$ ⇒ (D)

Step-by-step explanation:

<em>The given information is</em>

6 parts of yellow paint with 3 parts of blue paints to make green paint
The yellow paint adds by 1 part

We need to find the ratio of yellow to blue

<em>Let us find the correct answer</em>

∵ The yellow = 6 parts

∵ The yellow adds by 1 part

∴ The yellow = 6 parts + 1 parts = 7 parts

∵ The blue = 3 parts

∵ The ratio of yellow to blue = $\frac{yellow}{blue}$

∴ The ratio of yellow to blue = $\frac{7}{3}$

The new ratio is $\frac{7}{3}$

7 0

3 years ago

What LCM of 9 and 21

ratelena [41]

The least common multiple of 9 and 21 is 63

4 0

3 years ago

Read 2 more answers