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3 years ago

Plz help i will report if your not trying to answer

Mathematics

1 answer:

Minchanka [31]3 years ago

4 0

Answer:

Step-by-step explanation:

4(4^(2)-8)+(25-5^(2))

4(8)+(25-25)

32+0

=32

PEMDAS.

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For all parts of this problem, P(Ā)=0.75 , P(B)=0.3 , and P(B∣A)=0.15

Marianna [84]

12. I assume $\bar A$ denotes the complement of A, so

$P(A) = 1 - P(\bar A) = 0.25$

Then by definition of conditional probability,

$P(B\mid A) = \dfrac{P(A\cap B)}{P(A)} = \dfrac{P(A\cap B)}{0.25} = 0.15 \\\\ \implies \boxed{P(A\cap B) = 0.0375}$

13. By inclusion/exclusion,

$P(A\cup B) = P(A) + P(B) - P(A\cap B) = 0.25 + 0.3 - 0.0375 \\\\ \implies \boxed{P(A\cup B) = 0.5125}$

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2 years ago

Violet was carrying around the steps to solve square root of 3x plus 1 = 4. On her way through the Math Factory, Violet dropped

lutik1710 [3]

Answer:

Step-by-step explanation:

solve square root of 3x plus 1 = 4:

D is correct and results in 3x + 1 = 16; after this we subtract 1 from both sides and end up with 3x = 15, or x = 5.

7 0

3 years ago

Read 2 more answers

What is the difference of the polynomials?

Vilka [71]

Answer:

$8r^6s^3-5r^5s^4+r^4s^5+5r^3s^6$

Step-by-step explanation:

We want to simplify;

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We expand the bracket to obtain;

$8r^6s^3-9r^5s^4+3r^4s^5-2r^4s^5+5r^3s^6+4r^5s^4$

We now group the like terms to obtain;

$8r^6s^3-9r^5s^4+4r^5s^4+3r^4s^5-2r^4s^5+5r^3s^6$

We now simplify to get;

$8r^6s^3-5r^5s^4+r^4s^5+5r^3s^6$

The correct answer is C

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4 years ago

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Leila carved this solid out of wood<br><br> Find the volume of the solid.

Sliva [168]

Answer:

volume = 456 in³

Step-by-step explanation:

volume = 2(3 x 8 x 6) + (4 x 7 x 6) = 288+ 168 = 456 in³

8 0

3 years ago

The expression (y-20)(y5)3 is equivalent to ya. What is the value of a?

Leno4ka [110]

Answer:

y¹⁵-20y¹⁴

Step-by-step explanation:

I'm going to assume that your problem looks like this

$(y-20)(y^5)^3$

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which means we have

$(y-20)*y^{15}\\\\y^{16}-20y^{15}=ya\\\\*y^{15}-20y^{14}=a$

5 0

3 years ago

Plz help i will report if your not trying to answer​

Plz help i will report if your not trying to answer