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ddd [48]
3 years ago
15

Please help me soon!! 10 points common plzzz!

Mathematics
1 answer:
solong [7]3 years ago
4 0

Answer:

x + y = 3 x - y = 1 --------- 2x + 0y = 4 2x = 4 (2x)/2 = 4/2 x = 2

Step-by-step explanation:

hope i am right

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Define saturated and unsaturated fats​
Colt1911 [192]

\fbox  \red{Saturated fat}

A saturated fat is a type of fat in which the fatty acid chains have all or predominantly single bonds. A fat is made of two kinds of smaller molecules: glycerol and fatty acids. Fats are made of long chains of carbon atoms. Some carbon atoms are linked by single bonds and others are linked by double bonds

\fbox \red{unsaturated fat}

a type of fat containing a high proportion of fatty acid molecules with at least one double bond, considered to be healthier in the diet than saturated fat.

Thanku ❤️ have a great day ahead ✨☁️

8 0
3 years ago
Dilbert and Donna had a combined gross income of $227,300 in 2009. When filing their federal income tax return with the Married
elena55 [62]

Answer:

28% - APEX VERIFIED

Step-by-step explanation:

3 0
4 years ago
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6x - 4 = x + 6
rosijanka [135]
There is one solution, x=2
4 0
4 years ago
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The tread life of a particular brand of tire is a random variable best described by a normal distribution with a mean of 60,000
mel-nik [20]

Answer:

0.018 is the required probability.              

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 60,000 miles

Standard Deviation, σ = 1500 miles

We are given that the distribution of tread life is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

P(brand will last between 56,850 miles and 57,300 miles)

P(56850 \leq x \leq 57300) = P(\displaystyle\frac{56850 - 60000}{1500} \leq z \leq \displaystyle\frac{57300-60000}{1500}) = P(-2.1 \leq z \leq -1.8)\\\\= P(z \leq -1.8) - P(z < -2.1)\\= 0.0359 - 0.0179 = 0.018= 1.8\%

P(56850 \leq x \leq 57300) = 1.8\%

0.018 is the probability a certain tire of this brand will last between 56,850 miles and 57,300 miles.

7 0
3 years ago
1/2
LekaFEV [45]
Es 24.......................
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