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Svetllana [295]
3 years ago
15

Which expression is equivalent to-6(-2/3+2x) A.-4-12x B.- 4+2x C. 4-12x D. 4 + 12x

Mathematics
2 answers:
irakobra [83]3 years ago
7 0

Answer:

4-12x

Step-by-step explanation:

-6(-2/3 + 2x)

Expand the bracket

12/3 - 12x

4 - 12x

photoshop1234 [79]3 years ago
4 0

Answer:

The Answer is C

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So there are two triangles here: Smaller one (ADE) and bigger one (ABC) and they both are similar.

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AB / AC = AD / AE

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So plug in these values:

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If the limit of f(x) as x approaches 8 is 3, can you conclude anything about f(8)? The answer is No. We cannot. See the explanation below.

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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
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Answer:

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

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<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
A particular type of cell triples in number every hour. Write a function that models
GREYUIT [131]

Answer:

part 1: white blood cells

part 2: C=3h(6)

Step-by-step explanation:

I hope this is correct pls let me

know in the comments below if i am correct

6 0
3 years ago
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