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2 years ago

Arithmetic sequences: If sum of t (term) 72 and t 112 is equal to 22, what is t 183?

Mathematics

1 answer:

zysi [14]2 years ago

4 0

Answer:

ang bobo mo tanga

Step-by-step explanation:

walang utak

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Solve for x: 2|2x-2| +4=20

gregori [183]

$2|2x-2| +4=20\\
4|x-1|=16\\
|x-1|=4\\
x-1=4 \vee x-1=-4\\
x=5 \vee x=-3$

6 0

3 years ago

Find a counter example. The product of any integer and 2 is greater than 2

alexira [117]

Examples:

   3 x 2 = 6

   7 x 2 = 14

   Both are greater than 2 .

Counter examples:

      1 x 2 =   2

   -6 x 2 = -12

Not greater than 2 .

8 0

3 years ago

Solve 12x+6≥9x+12 (apex)

Crazy boy [7]

Answer:

x≥2

Step-by-step explanation:

12x+6\ge \:9x+12

12x+6-6\ge \:9x+12-6

12x\ge \:9x+6

12x-9x\ge \:9x+6-9x

3x\ge \:6

8 0

3 years ago

Ask Your Teacher Consider a binomial random variable with n = 5 and p = 0.8. Let x be the number of successes in the sample. Eva

Readme [11.4K]

Answer:

0.942 is the required probability.

Step-by-step explanation:

We are given the following in the question:

x is a binomial random variable with n = 5 and p = 0.8.

Then,

$P(X=x) = \binom{n}{x}.p^x.(1-p)^{n-x}$

where n is the total number of observations, x is the number of success, p is the probability of success.

We have to evaluate:

$P(x \geq 3) = P(x = 3) + P(x = 4) +P(x=5)\\\\= \binom{5}{3}(0.8)^3(1-0.8)^2 +\binom{5}{4}(0.8)^4(1-0.8)^1 +\binom{5}{5}(0.8)^5(1-0.8)^0\\\\= 0.2048 +0.4096+0.3276=0.942$

0.942 is the required probability.

4 0

4 years ago

A circle with circumference 6 has an arc with a 60° central angle.

Xelga [282]

Answer:

Step-by-step explanation:

60° is 1/6 of the total number of degrees that make up a circle. Then 1/6 of the total circumference that makes up the circle is ...

(1/6)(6 units) = 1 unit

The arc length is 1 unit.

5 0

3 years ago