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3 years ago

Please Help, Thank You!

Mathematics

2 answers:

irina [24]3 years ago

7 0

Answer:

e=9

sorry thats all i know:(

Step-by-step explanation:

tresset_1 [31]3 years ago

4 0

Answer: b.) 3x^2+9 factorized= 3(x^2 +3)

c) solving inequality: subtract 3 on both sides, take that answer and divide by 2 on both sides. answer is x>7

Step-by-step explanation:

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The pulse rates, in beats per minute, for some students of a class are shown below:

Crazy boy [7]

Answer:

Put another dot on 79

Step-by-step explanation:

Because the plot shows that 79 must have 4 dot.So you need to add one more dot

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3 years ago

What is 35% of 60? just had to be 20 words

Vladimir [108]

Answer:

35% of 60 = 21

4 0

2 years ago

Read 2 more answers

suppose that 18 inches of wire costs 54 cents. At the same rate, how much (in cents) will 36 inches of wire cost?

Ilya [14]

Answer:

108

Step-by-step explanation:

Since 18 x 2 = 36 you can just multiply 54 x 2. 54 x 2 =108

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3 years ago

Question 11 . 2 p Brent is considering buying a new circular track for his model train. He estimates that the model's circumfere

neonofarm [45]

Brent estimates that the model's circumference is about 3 times the measure of the circle's diameter, with this, he can estimate the area.

<h3>What is a circle? </h3>

A circle is the locus of a point, such that the distance from a fixed point (center) is always constant.

The circumference of a circle is given by:

Circumference = π * diameter

Brent estimates that the model's circumference is about 3 times the measure of the circle's diameter, with this, he can estimate the area.

Find out more on circle at: brainly.com/question/24375372

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2 years ago

An industry representative claims that 10 percent of all satellite dish owners subscribe to at least one premium movie channel.

Greeley [361]

Answer: 1) 0.6561 2) 0.0037

Step-by-step explanation:

We use Binomial distribution here , where the probability of getting x success in n trials is given by :-

$P(X=x)=^nC_xp^x(1-p)^{n-x}$

, where p =Probability of getting success in each trial.

As per given , we have

The probability that any satellite dish owners subscribe to at least one premium movie channel. : p=0.10

Sample size : n= 4

Let x denotes the number of dish owners in the sample subscribes to at least one premium movie channel.

1) The probability that none of the dish owners in the sample subscribes to at least one premium movie channel = $P(X=0)=^4C_0(0.10)^0(1-0.10)^{4}$

$=(1)(0.90)^4=0.6561$

∴ The probability that none of the dish owners in the sample subscribes to at least one premium movie channel is 0.6561.

2) The probability that more than two dish owners in the sample subscribe to at least one premium movie channel.

= $P(X>2)=1-P(X\leq2)\\\\=1-[P(X=0)+P(X=1)+P(X=2)]\\\\= 1-[0.6561+^4C_1(0.10)^1(0.90)^{3}+^4C_2(0.10)^2(0.90)^{2}]\\\\=1-[0.6561+(4)(0.0729)+\dfrac{4!}{2!2!}(0.0081)]\\\\=1-[0.6561+0.2916+0.0486]\\\\=1-0.9963=0.0037$

∴ The probability that more than two dish owners in the sample subscribe to at least one premium movie channel is 0.0037.

8 0

3 years ago