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MrRissso [65]
3 years ago
13

Help help help help it is little simple​

Mathematics
2 answers:
notsponge [240]3 years ago
6 0

3<em>x</em> ² - 2<em>x</em> + 1 = 2<em>x</em> ² - 3<em>x</em> + 7

<em>x</em> ² + <em>x</em> - 6 = 0

(<em>x</em> + 3) (<em>x</em> - 2) = 0

<em>x</em> + 3 = 0   <u>or</u>   <em>x</em> - 2 = 0

<em>x</em> = -3   <u>or</u>   <em>x</em> = 2

Olenka [21]3 years ago
6 0
I looked it up and it’s saying both
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Answer:

Mint =60

strawberry= 180

chocolate=180

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2 years ago
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A breakfast cereal producer makes its most popular product by combining just raisins and flakes in each box of cereal. The amoun
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Using the normal distribution, it is found that there is a 0.9192 = 91.92% probability that the total amount of product is less than 575 g.

In a normal distribution with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

  • It measures how many standard deviations the measure is from the mean.  
  • After finding the z-score, we look at the z-score table and find the p-value associated with this z-score, which is the percentile of X.
  • When two normal variables are added, the mean is the sum of the means while the standard deviation is the square root of the sum of the variances.

In this problem, the product is composed by flakes and raisins, and we have that:

\mu_F = 370, \sigma_F = 24, \mu_R = 170, \sigma_R = 7

Hence, the distribution for the total amount of product has <u>mean and standard deviation</u> given by:

\mu = \mu_F + \mu_R = 370 + 170 = 540

\sigma = \sqrt{\sigma_F^2 + \sigma_R^2} = \sqrt{24^2 + 7^2} = 25

The probability that the total amount of product is less than 575 g is the <u>p-value of Z when X = 575</u>, hence:

Z = \frac{X - \mu}{\sigma}

Z = \frac{575 - 540}{25}

Z = 1.4

Z = 1.4 has a p-value of 0.9192.

0.9192 = 91.92% probability that the total amount of product is less than 575 g.

A similar problem is given at brainly.com/question/22934264

5 0
2 years ago
It takes 6 hours to clean and detail a luxury car. During the morning of
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The correct answer is hours
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2 years ago
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Mr. Adams drove his delivery truck 151.2 miles during 24 days. He drove the same number of miles each day.
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Divide total miles by number of days:

151.2 / 24 = 6.3 miles per day

8 0
3 years ago
the height of a triangle is 7cm greater than its base and its area is 15cm squared. find the value of its height
Rudiy27

Answer:

Step-by-step explanation:

Let base be b, height be h

h = 7+b or we can say that b = h -7

A = 15 cm²

General formula for area of a triangle

A = b · h

Substitute what we know to find the height h

15 = (h-7) · h

15 = h² -7h

0 = h²-7h -15

h = (7 ±√49 + 4·1·15)/2

h = (7 ±√109)/2

h ≈ -1.72 reject this solution because height cannot be negative

h ≈ 8.72 cm

5 0
2 years ago
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