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marta [7]
2 years ago
7

A person mixed 80l milk with 2% fat and 40l milk together. If the fat amount in the whole mixture is 3%, what is the fat percent

age in the second type of milk?​
Mathematics
1 answer:
Dmitrij [34]2 years ago
3 0

The fat percentage in the second type(40 liters) of milk is 1%

<h3>Percentage</h3>

  • fats in 80 liters milk = 2% fat
  • 40 liters = x % fat
  • Total fat = 3%

Fats in 40 liters of milk = Total fat - fats in 80 litrrs milk

= 3% - 2%

= 1%

Therefore, the fat percentage in the second type of milk is 1%

Learn more about percentage:

brainly.com/question/843074

#SPJ1

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A consumer agency is interested in examining whether there is a difference in two common sealant products used to waterproof res
Komok [63]

Answer:

CI = (89.2 - 92.4) \pm 1.6883 \sqrt{\frac{3.1^{2} }{38} +\frac{3.8^{2} }{37} }

Step-by-step explanation:

Data of newly constructed decks treated with very clear deck sealants:

n₁ = 38, \bar {x_{1} } = 89.2,  S₁ = 3.1

Data of newly constructed decks treated with sure seal deck sealants:

n₁ = 37, \bar {x_{2} } = 92.4, S₂ = 3.8

First calculate the degree of freedom

df = \frac{[\frac{s_{1} ^{2} }{n_{1} }  + \frac{s_{2} ^{2} }{n_{2} } ]^{2} }{\frac{(\frac{s_{1} ^{2} }{n_{1} } )^{2}}{n_{1}-1 } + \frac{(\frac{s_{2} ^{2} }{n_{2} } )^{2}}{n_{2}-1 }}

df = \frac{[\frac{3.1^{2} }{38} + \frac{3.8^{2} }{37}]^2}{\frac{(\frac{3.1^{2} }{38})^{2} }{37} + \frac{(\frac{3.8^{2} }{37})^{2} }{36}}

df = 69.4

df = 70, α = 1 - 0.9 = 0.1

t_{\frac{\alpha}{2} } = t_{0.05 }= 1.688

CI = \bar{X_{1} } - \bar{X_{2} } + t_{\frac{\alpha}{2} } \sqrt{\frac{S_{1} ^{2} }{n_{1} +}  \frac{S_{2} ^{2} }{n_{2} } }

CI = (89.2 - 92.4) \pm 1.6883 \sqrt{\frac{3.1^{2} }{38} +\frac{3.8^{2} }{37} }

8 0
4 years ago
Earth has a radius of 3959 miles. A pilot is flying at a steady altitude of 1.8 miles above the earth's surface.
svp [43]
This is optional, but I find it easier to solve problems like this if you draw out what it might look like. That's what I've done for the attached image (see below). 

I've defined these points
A = center of earth
B = point just below the plane
C = plane's location
D = horizon (furthest point the pilot can see out)

Based on those point labels, we are given
AB = 3959 miles
BC = 1.8 miles
AD = 3959 miles
CD = x miles

Triangle ADC is a right triangle. So we can use the pythagorean theorem to find x
a^2 + b^2 = c^2
(AD)^2 + (CD)^2 = (AC)^2
3959^2 + x^2 = (AB+BC)^2
3959^2 + x^2 = (3959+1.8)^2
3959^2 + x^2 = 3960.8^2
15,673,681 + x^2 = 15,687,936.64
x^2 = 15,687,936.64 - 15,673,681
x^2 = 14,255.6399999988
x = sqrt(14,255.6399999988)
x = 119.396984886549
x = 119.4 <<--- rounding to the nearest tenth (one decimal place)

Final Answer: 119.4
Units are in miles

3 0
3 years ago
Big Enos loves Coors beer but he lives in Georgia and nobody sells Coors east of Texas. So he offers to pay Cletus "The Snowman"
Alik [6]

Answer:

Snowman Expenses:

a) Income Tax deductible expenses:

Payment for 400 cases of beer = $10,000

Payment for fuel = $650

Total = $10,650

b) The expenses above are allowable because they are "ordinary and necessary expenses incurred in carrying on any trade or business."  IRS Code 162.

c) The bribe paid to the Sheriff of $1,000 is not allowable under the same code.

d)  Such payments are not allowable because, according to IRS Code 162  section C: 1 and 2, they are described as "Illegal bribes, kickbacks, and other payments" and "other illegal payments."

Step-by-step explanation:

a) According to the Internal Revenue Code 162 which details trade or business expenses, section A specifically state that "There shall be allowed as a deduction all the ordinary and necessary expenses paid or incurred during the taxable year in carrying on any trade or business, including—

(1)a reasonable allowance for salaries or other compensation for personal services actually rendered;

(2)traveling expenses (including amounts expended for meals and lodging other than amounts which are lavish or extravagant under the circumstances) while away from home in the pursuit of a trade or business; and ..."

b) Bribes are illegal payments prohibited by states law.  Snowman paid the payment in order not to get his vehicle impounded and himself imprisoned, according to the Sheriff's threats.  That he was over-speeding in order to meet his business appointment does not guarantee him the right to bribe a government official.

7 0
4 years ago
If sam and peter are among n men who are arranged at random in a line, what is the probability that exactly k men stand between
mario62 [17]
There are an n amount if men. They want k amount between them

K/n
8 0
3 years ago
What are the coordinates of the midpoint of the line segment with endpoints A (-12,3) and B (8,-4)?
koban [17]

Answer:

D.

Step-by-step explanation:

Add the x values and divide by the amount of x's and same with the y's

7 0
3 years ago
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