3 years ago

Which expression is equivalent to 6(x-4)

Mathematics

1 answer:

makvit [3.9K]3 years ago

4 0

Answer:

is it multiple choice? is 6x -24 an option?

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If A and B are independent events with P(A) = .5 and P(B) = .2, find the following:a) P(A U B)b) P(A^c ? B^c)c) P(A^c U B^c)**No

Effectus [21]

If A and B are independent, then $P(A\cap B)=P(A)P(B)$ .

$P(A\cup B)=P(A)+P(B)-P(A\cap B)=P(A)+P(B)-P(A)P(B)$

$P(A\cup B)=0.5+0.2-0.5\cdot0.2$

$\boxed{P(A\cup B)=0.6}$

b. I'm guessing the ? is supposed to stand for intersection. We can use DeMorgan's law for complements here:

$P(A^c\cap B^c)=P(A\cup B)^c=1-P(A\cup B)$

$P(A^c\cap B^c)=1-0.6$

$\boxed{P(A^c\cap B^c)=0.4}$

c. DeMorgan's law can be used here too:

$P(A^c\cup B^c)=P(A\cap B)^c=1-P(A\cap B)=1-P(A)P(B)$

$P(A^c\cup B^c)=1-0.5\cdot0.2$

$\boxed{P(A^c\cup B^c)=0.9}$

4 0

3 years ago

Base Angle of an isosceles trapeziod are A.supplementary B.complementary C.congruent D.adjacent?

Art [367]

Answer:

Congruent

Step-by-step explanation:

by definition, the base angles of an isosceles triangle are the same value.

i.e they are congruent.

8 0

3 years ago

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Jamie puts $500 into a savings account that has an interest rate of 1% how much will be in her account after 6 years?

IgorLugansk [536]

Step-by-step explanation:

interest:

$500 \times \frac{1}{100} \times 6 = 30$

Total=500+30=530

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3 years ago

Consider circle H with a 3 centimeter radius. If the length of minor arc RT is 2 3 π, what is the measure of ∠RST?

Nataliya [291]

The main formula is arc RT = r x measure RST
so ∠RST=minor arc RT / r
minor arc RT = 23π
r= 3 cm
∠RST= 23π/3

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4 years ago

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Evaluate (-32) 7/5 The solution is

kobusy [5.1K]

Answer:

- 224/5

Step-by-step explanation:

DECIMEL FORM = -44 4/5

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3 years ago