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4 years ago

What is 3n+2n simplified

Mathematics

2 answers:

Ber [7]4 years ago

8 0

The answer for this is n(3+2)

Igoryamba4 years ago

4 0

5n is the answer, both have n's so they can be added. UPDATE NVM

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To prepare for virtual learning the school is purchasing extra keyboards, mice, and PC cameras. They have a budget of $1500 to s

leonid [27]

Answer:

20 keyboards and mice, 10 cameras.

Step-by-step explanation: They need the same number of keyboard and mice, and they want to get half the amount of cameras they do keyboard and mice. They have a budget of $1500 so 20 keyboards and mice as well as 10 cameras is the most optimal purchase.

30*20=600

20*20=400

50*10=500

600+400+500=1500

7 0

3 years ago

A video game sells at Arnold's for $14.99.Arnokd marks the game up at 4% of the selling price.What is the cost of the game to Ar

Arada [10]

The answer is $6.00 because you multiply 15 by .4

5 0

4 years ago

What is the probability that a randomly selected Californian age 18 to 64 exercises for at least 150 minutes per week? Illustrat

Pavlova-9 [17]

Answer:

Step-by-step explanation:

This is a normal distribution question with

Mean = 153

Standard Deviation= 10

Since we know that score

$Z_{score}=\frac{x- \mu}{ \sigma }$

P(x > 150.0)=?

The z-score at x = 150.0 is,

$Z = \frac{150-153}{10} \\\\Z=-0.3$

This implies that

P(x > 150.0) = P(z > -0.3)

= 1 - P(z < -0.3) = 1 - 0.3820885778110474

P(x > 150) = 0.6179

8 0

3 years ago

Do these two equations represent the same line 10x+4y=-8 5x+2y=10?

AlladinOne [14]

Answer:

Step-by-step explanation:

no two different lines

8 0

3 years ago

Based on the data set shown, which of the following is a true statement?

timama [110]

Answer:

mean = mode

Step-by-step explanation:

To make this easier, let's find the mean, median, and mode.

Mean: Sum of a set of numbers divided by number of terms

Median: Middle number of data when data is in numerical order

Mode: Number that occurs most often in data

To find the mean, add all the values together. -1 - 1 + 0 + 1 + 1 + 1 + 1 + 2 + 2 + 2 + 3 = 11. Now, divide by the number of terms, which is 11. 11/11 = 1. The mean is 1.

To find the median, look at the number in the middle of the data. -1, -1, 0, 1, 1, 1, 1, 2, 2, 2, 3. The median is 1.

To find the mode, look at the number that occurs most often. There are 4 1's, so the mode is 1.

Since all numbers are equal, the only possible answer is the first option.

3 0

3 years ago