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FrozenT [24]
3 years ago
7

PLZ HELP, WILL MARK BRAINLIEST

Mathematics
1 answer:
andrey2020 [161]3 years ago
6 0

Use FOIL method, which means multiply First, Outside, Inside, Last


[2√(3x) - 2][3√(3x) + 5] 

[2√(3x)][3√(3x)] + [2√(3x)][5] + [-2][3√(3x)] + [2][5] 

6 * [√(3x)]² + 10√(3x) - 6√(3x) + 10 

6 * 3x + 4√(3x) + 10 

18x + 4√(3x) + 10 

2(9x + 2√(3x) + 5) 
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One of many outfits mean twice as much
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What is 1/5 into a decimal?
andrey2020 [161]

Answer:

0.2

Step-by-step explanation:

it just is. look it up they will have an explanation

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Surface area of the triangle game case
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I believe its 147 in ² :))))))

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4 years ago
Read 2 more answers
What is the total cost of a sweatshirt if the regular price is $42 and the sales tax is 5 1/2
leonid [27]

Answer:

$44.31

Step-by-step explanation:

Regular Price = $42

Sales Tax Rate = 5  1/2% or 5.5%

The total cost would be the regular price PLUS the sales tax. We find the sales tax by finding 42's 5.5%.

First, converting percentage to decimal (dividing by 100):

5.5% = 5.5/100 = 0.055

Now finding 5.5% of $42:

42 * 0.055 = $2.31

Now, the total price is the SUM of regular and this sales tax:

Total Price = 42 + 2.31 = $44.31

6 0
3 years ago
Lipids provide much of the dietary energy in the bodies of infants and young children. There is a growing interest in the qualit
garri49 [273]

Answer:

A.

This assumption is that the distribution of polyunsaturated fat % of each if these four regimes must be with equal variances as well as uniform.

B.

The null hypothesis

H0: μ1 = μ2 = μ3 = μ4

The alternate hypothesis:

H1: at least 2 means are unequal

C.

First we calculate the grand mean

= 1/54[15(42.9)+17(43.1)+8(43.7)+14(43.9)]

= (643.5 +732.7 + 349.6 + 614.6)/54

= 2340.4/54

= 43.341

Sum of squared treatment

= [15(42.9-43.341)²+17(43.1-43.341)²+8(43.7-43.341)²+14(43.9-43.341)²]

= 9.3104

Mean square of treatment

= SST/I-1

= 9.3104/4-1

= 9.3104/3

= 3.1035

Error sum of squared

= (15-1)*(1.3)² + (17-1)*(1.5)² + (8-1)*(1.2)² + (14-1)*(1.2)²

= 88.46

Error mean square

MSE = 88.46/54-4

= 1.7692

Test statistic

= 3.1035/1.7692

= 1.75

4 0
3 years ago
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