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2 years ago

Do you know the answer

Mathematics

1 answer:

Arte-miy333 [17]2 years ago

4 0

Answer:

y=2x+2

Step-by-step explanation:

The * stands for multiplication.

0*2+2=2

3*2+2=8

6*2+2=14

All of these statements are true, so this should be the correct answer.

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Is 2x-4=2x-7 infinite no solution or one solution

Elan Coil [88]

Answer:

no solution

Step-by-step explanation:

8 0

2 years ago

Let f(x) = 3x + 2 and g(x) =x - 3. Find f(x) - g(x).

Arturiano [62]

2x + 5 is your answer

8 0

2 years ago

Read 2 more answers

the length of rectangle exceeds its breadth by 4 cm if the length and breadth is increased by 3 cm the area of the new rectangle

gizmo_the_mogwai [7]

Answer:

The length and breadth are 14 cm and 10 cm

3 0

2 years ago

Find the area of shaded part .

Firlakuza [10]

Answer:

Area of big rectangle= 5m× 3m

= 15m²

Area of small rectangle=1m× 1m

=1m²

Area of shaded part= Area of big rectangle- Area of a small rectangle

= 15m²-1m²

= 14m²

Step-by-step explanation: Hope it helps

5 0

3 years ago

A study indicates that 37% of students have laptops. You randomly sample 30 students. Find the mean and the standard deviation o

Brilliant_brown [7]

Answer:

The mean and the standard deviation of the number of students with laptops are 1.11 and 0.836 respectively.

Step-by-step explanation:

Let X = number of students who have laptops.

The probability of a student having a laptop is, P (X) = p = 0.37.

A random sample of n = 30 students is selected.

The event of a student having a laptop is independent of the other students.

The random variable X follows a Binomial distribution with parameters n and p.

The mean and standard deviation of a binomial random variable X are:

$\mu=np\\\sigma=\sqrt{np(1-p)}$

Compute the mean of the random variable X as follows:

$\mu=np=30\times0.37=1.11$

The mean of the random variable X is 1.11.

Compute the standard deviation of the random variable X as follows:

$\sigma=\sqrt{np(1-p)}=\sqrt{30\times0.37\times(1-0.37)}=\sqrt{0.6993}=0.836$

The standard deviation of the random variable X is 0.836.

5 0

3 years ago