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Anastasy [175]
3 years ago
8

Which of the following is equivalent 2x+4y

Mathematics
2 answers:
Dvinal [7]3 years ago
7 0

Answer:

It's B

Step-by-step explanation:

2(x+2y)

2*x+2*2y

2x+2*2y

2x+4y

Fudgin [204]3 years ago
6 0

Answer: None of them cuz

Step-by-step explanation:

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A printer needs 12,000 good copies of a flyer for a particular job. Previous experience has shown that she can expect no more th
PilotLPTM [1.2K]

Answer:

12600

Step-by-step explanation:

5% of 12000 is 600 so just add them

8 0
3 years ago
0 A maker of a certain brand of low-fat cereal bars claims that the average saturated fat content is 0.5 gram. In a random sampl
balandron [24]

Answer:

<em>The first step is to determine the average </em>

x= \frac{0,6+0,7+ 0,7+0,3+0,4+ 0,5+ 0,4 +0,2}{8}\\\ x= 0,475

<em>The exercise says it’s a normal distribution: (n=8)</em>

s^{2}= \frac{1}{n-1} ((0,6.x)^2+2(0,7-x)^2+(0.3-x)^2+2(0.4-x)^2+(0.5-x)^2+(0.2-x)^2)\\\ \frac{1}{7}*0,235 = 0,0336 \\\\ s= 0183

<em>According to the exercise, the mean is equal to 0,5 then the value of t of the distribution can be obtained </em>

<em />

t= \frac{x-u}{\frac{s}{\sqrt{n} }}\\\ t= \frac{0,475 - 0,5}{0,183}\\\  t= -0,3860

<em>The variable t has 7 grade to liberty, we calculate the p-value as: </em>

2* P(t < - 0,3860)= \\\ 2* 0,3554 = 0,7108

This value is very high, therefore the hypothesis is not rejected

7 0
3 years ago
Work out the area of the circle.
Lelechka [254]

Answer:

A=πr2=π·212≈1385.44236cm²

4 0
2 years ago
Bea has 21 yard of embroidery floss to make bracelets. If each bracelet requires 2 1/3 yards, how many bracelets can she make?
earnstyle [38]

She can make 9 bracelets

I found this by dividing the two numbers

Hope this helps

If there are any questions leave a comment

4 0
3 years ago
I need help with this question. I would like a detailed explanation please!(what are the measurements)​
garri49 [273]

Answer:

X = 66

Step-by-step explanation:

A straight line is equal to 180 degrees so if you have one side of that line you can figure out the inside angle.

Now that you have two of the angles inside the triangle add them up. All the interior angles of a triangle will add to 180. So add up 38 and 76 to get 114. Now do 180 - 114, you should get 66

so x = 66

7 0
3 years ago
Read 2 more answers
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