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2 years ago

Farmer Fred has 200 sheep he sells 40 of them what percentage of his sheep has he got left

Mathematics

2 answers:

Arturiano [62]2 years ago

6 0

It is 80 percent because we multiply 200times 40 which is 8000 then we divide that by 100 which is 80

Amiraneli [1.4K]2 years ago

4 0

He has 80% of his sheep left. If he sold 40 out of 200 sheep, the fraction would be 40/200. But we are dealing with percentage, so we need the denominator to be 100. And to do that, we need to divide the fraction by 2. Once we do that we get 20/100. So now we subtract 20 from 100 to get 80, and that means 80% is the answer. I hope this helped you, sweetie.

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How to solve these two problems ？

puteri [66]

8) $\theta$ is -0.896 radians

9) length of arc is 41.91 cm

Solution:

Given that,

$tan\ \theta = \frac{-5}{4}$

$\theta$ is in quadrant 4

To find: $\theta$

From given,

$tan\ \theta = \frac{-5}{4}\\\\\theta = tan^{-1} \frac{-5}{4}\\\\\theta = tan^{-1} (-1.25)\\\\\theta = -51.34$

Thus value of $\theta$ is -51.34 degrees

Convert degrees to radians

$-51.34\ degree = -51.34 \times \frac{ \pi }{180}\ radian\\\\-51.34\ degree = -0.896\ radian$

Thus $\theta$ is -0.896 radians

From given,

radius = 15.4 cm

$\theta = \frac{13 \pi }{15}$

The length of arc when angle in radians is:

$arc\ length = r \times \theta\\\\arc\ length = 15.4 \times \frac{ 13 \pi }{15}\\\\arc\ length = 15.4 \times 2.721\\\\arc\ length = 41.91$

Thus length of arc is 41.91 cm

4 0

2 years ago

150 - x = 87 what does x equal here ?

Ainat [17]

Answer:

x=63

Step-by-step explanation:

Subtract by 150 from both sides of equation.

150-x-150=87-150

Simplify.

87-150=-63

-x=-63

Divide by -1 from both sides of equation.

-x/1=-63/-1

Simplify, to find the answer.

-63/-1=63

x=63 is the correct answer.

I hope this helps you, and have a wonderful day!

5 0

3 years ago

Read 2 more answers

Count the left handed and right handed spirals on the cacti in the photograph you should get two consecutive terms of the Fibona

lana [24]

You can count the spirals because they are coloured.

The left handed spirals are in red and you can count 13.

The rifht hanged spirals are in yellow and you can count 21.

Fibonacci sequence is: 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, ... From 2 the next number is the sum of the two previous numbers:

2 = 1 + 1

3 = 2 + 1

5 = 3 + 2

8 = 5 + 3

13 = 8 + 5

21 = 13 + 8.

Fibonacci numbers are found in many structures in nature.

We have just found that these cacti enclose Fibonacci numbers 13 and 21.

Answer: 13 and 21

8 0

3 years ago

Factor the expressions Please help

adelina 88 [10]

Answer:

$(x + 1)( {6x }^{2} - 2x)$