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Arturiano [62]
2 years ago
6

[1 6 9 3] [2 5 8 1] [0 2 2 4] what are the dimensions of the matrix

Mathematics
1 answer:
nasty-shy [4]2 years ago
5 0

Answer:

4 by 3

Explanation:

Rows by columns

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Please help me with Alegbra 2!! Solve x2 + 4x + 1 = 0.
Julli [10]
x^2+4x+1=0\\\\\underbrace{x^2+2x\cdot2+2^2}_{(x+2)^2}-2^2+1=0\\\\use\ (a+b)^2=a^2+2ab+b^2\\\\(x+2)^2-4+1=0\\\\(x+2)^2-3=0\\\\(x+2)^2=3\iff x+2=\sqrt3\ or\ x+2=-\sqrt3\\\\\boxed{x=\sqrt3-2\ or\ x=-2-\sqrt3}
7 0
3 years ago
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A store charges $280 for coat. This price is 40 percent more than the amount it cost the store to buy. At the end-of-season sale
NeX [460]
Let cost price be x
according to question
x + 40% of x = 280
x+ 0.4x=280
1.4x=280
x=200
this 200 is the store cost or cost price for store
30%of 200= 60
according to question,
cost for employee= 200-60= 140
7 0
3 years ago
Solve <br><br> 9(a + 2b) + c <br><br> a = 3 <br> b = 2<br> c = 1
swat32

Answer:

64

Step-by-step explanation:

Step 1: Define

9(a + 2b) + c

a = 3

b = 2

c = 1

Step 2: Substitute and Evaluate

9(3 + 2(2)) + 1

9(3 + 4) + 1

9(7) + 1

63 + 1

64

4 0
3 years ago
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Paulo and Marie are collecting quarters. The number of quarters Paulo has is 3 times the quantity of 5 fewer than the number of
Hatshy [7]
P = 3(m - 5)

p is the number of quarters that paulo has

m is the number of quarters that marie has
5 0
3 years ago
The following are the temperatures of 10 days in winter in °C. − 3 , 0 , 10 , 2 , 8 , − 5 , − 1 , 9 , 2 , − 3 Work out the mean
marissa [1.9K]

The mean temperature of the given data − 3 , 0 , 10 , 2 , 8 , − 5 , − 1 , 9 , 2 , − 3 is 1.9

mean= 1.9

<h3>What is mean of the data?</h3>

The mean, or average, is calculated by adding up the data and dividing by total number of data.

Given data: − 3 , 0 , 10 , 2 , 8 , − 5 , − 1 , 9 , 2 , − 3

Now, mean =   \frac{sum \;of\; observation}{Total \;number \;of \;observation}

mean = \frac{(-3)+ 0+10+2+8+(-5)+ (-1)+ 9+2+(-3)}{10}

           = \frac{19}{10}

mean= 1.9

Hence, the mean of − 3 , 0 , 10 , 2 , 8 , − 5 , − 1 , 9 , 2 , − 3  is 1.9

Learn more about mean here:

brainly.com/question/22871228

#SPJ1

3 0
2 years ago
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