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3 years ago

What is the mode of the following numbers? 6 , 4 , 1 , 9 , 3 , 8 , 3 , 5 , 10

Mathematics

1 answer:

laiz [17]3 years ago

3 0

List the numbers from least to greatest:

1, 3, 3, 4, 5, 6, 8, 9, 10

Mode: ( most number repeated in the list)

Mode: 3

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What are the exact solutions of x^2 = 5x + 2?

aleksandrvk [35]

Move everybody to one side
minus 5x+2 both sides
x^2-5x-2=0
use quadratic formula where
if you have
ax^2+bx+c=0
x= $\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}$

1x^2-5x-2=0
a=1
b=-5
c=-2

x= $\frac{-(-5)+/- \sqrt{(-5)^{2}-4(1)(-2)} }{2(1)}$
x= $\frac{5+/- \sqrt{25+8} }{2}$
x= $\frac{5+/- \sqrt{33} }{2}$

aprox
x=5.372281323 or -0.3722813233

5 0

3 years ago

What is the value of x?

Aliun [14]

The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try! A variable doesn't have to be "x", it could be "y", "w" or any letter, name or symbol.

7 0

3 years ago

Solve: x + 3 = -x + 7 (5 points)

makvit [3.9K]

Answer:

x = 2

Step-by-step explanation:

x + 3 = -x + 7

Add x to each side

x+x + 3 = -x+x + 7

2x+3 = 7

Subtract 3 from each side

2x = 7-3

2x = 4

Divide by 2

2x/2 = 4/2

x = 2

7 0

3 years ago

Read 2 more answers

Show steps <br> Simplify <img src="https://tex.z-dn.net/?f=%5Csqrt%7B81%7D" id="TexFormula1" title="\sqrt{81}" alt="\sqrt{81}" a

AysviL [449]

The square root of 81 is 9

4 0

3 years ago

Read 2 more answers

15.7·3.09+15.7·2.91 Please help. WILL GIVE BRAINLIEST!

frez [133]

Answer:

the answer is 94.2

Step-by-step explanation:

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3 years ago