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lakkis [162]
3 years ago
15

P(A) = 0.5 P(B) = 0.35 P( A or B) = ?

Mathematics
1 answer:
neonofarm [45]3 years ago
3 0

Answer:

0.5 ≥ x ≥ 0.35

Step-by-step explanation:

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Look at the image below
Delvig [45]

Answer:

117.8

Step-by-step explanation:

Surface area = πr²+πrl (whee r = radius and l = slant height)

= π×3²+π×3×9.5

= 75π/2

= 117.8

8 0
3 years ago
Simplify:<br> (4xy^-6)^-3 <br><br><img src="https://tex.z-dn.net/?f=%284xy%5E%7B-6%7D%20%29%5E%7B-3%7D" id="TexFormula1" title="
Zepler [3.9K]

Answer:

(4^-3)(x^-3) y^(18)

or

y^18/ (64 x^3)

Step-by-step explanation:

(4xy^-6)^-3

Distribute the exponent to all terms in the parentheses

(4^-3)(x^-3) (y^-6)^-3

a^ b^c = a^ (b*c)

(4^-3)(x^-3) y^(-6*-3)

(4^-3)(x^-3) y^(18)

If we do not want negative exponents

a ^ -b = 1/ a^b

y^18/( 4^3 x^3)

y^18/ (64 x^3)

4 0
4 years ago
Gaby plays on volleyball team. In the two games she scored 3/5 of the total number of points her team scored. Her team scored 25
hjlf

Answer:

Gaby scored 27 points.

Step-by-step explanation:

First, you have to find 3/5 of both of the numbers.

What I did was I found 1/5 of each number and multiplied it by 3.

25/5=5, so 1/5 of 25 is 5. 5(3)= 15, so Gaby scored 15 points in the first game.

20/5= 4, so 1/5 of 20 is 4. 4(3)= 12, so Gaby scored 12 points in the second game.

Finally, add 15+12, which equals 27 :).

5 0
3 years ago
4(z – 2) + 3z<br> Need help
siniylev [52]

Answer:

5z-8

Step-by-step explanation:

(8z-8)+3z=

5z-8

5 0
3 years ago
Read 2 more answers
What is the value of n in this equation: 2↑2 * 2↑n = (2↑4)↑3
Cloud [144]

Answer:

The value of n in the given equation is; n = 10

Step-by-step explanation:

Exponent for a natural power b is defined as iterated multiplication, which Knuth denoted by a single up-arrow:

a↑b = a^b          ......[1]

Given the expression: 2↑2 * 2↑n = (2↑4)↑3

Using [1] in the given expression is;

(2^2) \cdot 2^n = (2^4)^3

Using a^n \cdot a^m = a^{n+m}  and (a^n)^m = a^{nm}

we have;

2^{2+n} = 2^{12}

2 + n = 12                     [ Using a^m = a^n ⇒ m =n ]

Subtract 2 to both sides of an equation:

2 + n - 2 = 12 -2

Simplify:

n = 10

Therefore, the value of n is, 10

3 0
4 years ago
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