3 years ago

Which of the four Venn diagrams represent (X U Y)?

Mathematics

1 answer:

dusya [7]3 years ago

8 0

X or Y diagram is the answer to this question

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We wish to study the quality of our production line. We take a random sample of 1000 widgets from our line. A quality rating was

mario62 [17]

Answer:

Average quality rating was 4.54+-0.00549

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3 years ago

Use the Distributive Property to write an expression that is<br> equivalent to 4(y - 3).

Nonamiya [84]

Answer:

4y-12

Step-by-step explanation:

To multiply a sum (or difference) by a factor, each summand (or minuend and subtrahend) is multiplied by this factor and the resulting products are added (or subtracted).

If the operation outside the parentheses (in this case, the multiplication) is commutative, then left-distributivity implies right-distributivity and vice versa, and one talks simply of distributivity.

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3 years ago

I have chosen 1 playing cards .what is the probability of being red or red ace?

QveST [7]

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Step-by-step explanation:

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3 years ago

Write a definite integral that represents the area of the region. (Do not evaluate the integral.)

joja [24]

Answer:

$\int_{-1}^{1}7(x^{3}-x)\:dx$

Step-by-step explanation:

1) The other curve is $y=0$ then the common points of both curves are x-intercepts, the roots of $y=7(x^{3}-x)$

$y=7(x^{3}-x)\Rightarrow 7(x^3-x)=0 \Rightarrow 7(x^{3}-x)=7x(x-1)(x-1)\Rightarrow \\S=\left ( 0,0 \right ),\left ( -1,0 \right ),\left ( 1,0 \right )$

2). Then those intersection points are the upper and the lower limits. Plugging in to this formula for they belong to the interval [-1,1]:

$\int_{a}^{b}|f(x)-g(x)dx$

$\int_{a}^{b}|f(x)-g(x)dx \Rightarrow \int_{-1}^{1}|7(x^{3}-x)-0|dx \Rightarrow \int_{-1}^{1}7(x^{3}-x)\:dx$

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3 years ago

Jill works 10q hours a day. If she earns $6.50 an hour, how much does she earn a day? Give your answer in terms of q.

kolbaska11 [484]

She earns 65 dollars a day replace q with 6.50

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3 years ago

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