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Lubov Fominskaja [6]
3 years ago
5

What’s the correct answer for this question?

Mathematics
1 answer:
scoray [572]3 years ago
4 0

Answer: choice D 1/2

Step-by-step explanation:

Events A and B are independent if the equation P(A∩B) = P(A) · P(B) holds true.

so

1/6=1/3*p(A)

p(A)=1/2

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Simplify<br> -4 1/5 (-13 1/10)<br> pls help
oksian1 [2.3K]

Answer:

55 1/50 or 2751/50

Step-by-step explanation:

Convert both expressions to improper form

Make their denominators the same

Multiply the numerators

Simplify the fraction if needed

4 0
3 years ago
Of the 28 students in class, about 65% are wearing sneakers. How many students are not wearing sneakers? Round to the nearest wh
BigorU [14]

Answer:

10

Step-by-step explanation:

Based on the given conditions, formulate: \(28 \times ( 1 - 65\% )\)

Calculate the sum or difference:\(28 \times 0.35\)

Calculate the product or quotient:\(9.8\)

Find the closest integer: 10

Answer: 10

7 0
2 years ago
7.9x – 2 – 3.2x – 10 = 2.8 + x
ryzh [129]

Answer:

x=4

Step-by-step explanation:

combine like terms

divide to get the x by itself

5 0
2 years ago
Choose the four expressions that are equivalent to 3^-4 ?
Ivan

3^(-4) means "one over 3^4"

    1/(3^4)

That's equal to

    1/81

and

    (1/3)^4

This is also equal to 3^2/3^6.  

So four of those are correct.

4 0
2 years ago
Complete the square f(x) = x^2 + 4x - 8 <br><br><br> PLZ help me ;c
Semenov [28]
Ok, first group x terms
f(x)=(x²+4x)-8
factor out quadratic coefient (no need but that's the step)
f(x)=1(x²+4x)-8
take 1/2 of the linear coefient and square it
4/2=2, (2)²=4
add positive and negative of it insides the parenthasees
f(x)=1(x²+4x+4-4)-8
factor perfect square
f(x)=1((x+2)²-4)-8
distribute
f(x)=1(x+2)²-4-8
f(x)=1(x+2)²-12
and, now if we wanted to find the x intercepts where f(x)=0 then
0=1(x+2)²-12
12=(x+2)²
+/-2√3=x+2
-2+/-2√3=x

x=-2+2√3 or -2-2√3
that is where the x intercept are

and completed square form is
f(x)=(x+2)²-12
6 0
3 years ago
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