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kumpel [21]
3 years ago
12

Why is it important to

Mathematics
1 answer:
Monica [59]3 years ago
4 0

Answer:

Because it helps children and other people understand how the number system works. if you develop number sense you will have a range of different maths strategies like addition subtraction

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8X over five -6 equals 2X +4 how do you solve that
yaroslaw [1]
You carry the 7 add the 6 put a little bit of whip cream and you got a cake ta da
6 0
4 years ago
PLLZZZZZZZ PLZZZZ PLZZZZ HELP ME OUT BRAINLIREST PLUS POINTS PLZ ALL I NEED IS ANSWER NO WORK
Nastasia [14]

Answer:

(3/2x)+14

Step-by-step explanation:


3 0
4 years ago
What is the difference between an equation and expression?
inysia [295]

Answer:

An expression is a number or a combination of numbers and an equation is made up of two expressions connected by an equal sign.

Step-by-step explanation:

3 0
3 years ago
Solve the quadratic equation<br> give your answer to 2 decimal places<br> : 3x^2+x-5=0
Dima020 [189]

Given:

The quadratic equation is:

3x^2+x-5=0

To find:

The solution for the given equation rounded to 2 decimal places.

Solution:

Quadratic formula: If a quadratic equation is ax^2+bx+c=0, then:

x=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}

We have,

3x^2+x-5=0

Here, a=3,b=1,c=-5. Using the quadratic formula, we get

x=\dfrac{-1\pm \sqrt{1^2-4(3)(-5)}}{2(3)}

x=\dfrac{-1\pm \sqrt{1+60}}{6}

x=\dfrac{-1\pm \sqrt{61}}{6}

x=\dfrac{-1\pm 7.81025}{6}

Now,

x=\dfrac{-1+7.81025}{6}

x=1.13504167

x\approx 1.14

And

x=\dfrac{-1-7.81025}{6}

x=-1.468375

x\approx -1.47

Therefore, the required solutions are 1.14 and -1.47.

3 0
3 years ago
Consider the functions f(x) = 2x + 1 and g(x) = x^2 - 10. What is the value of f[g(3)]?
ziro4ka [17]

Answer:

f[g(x)]= 2(x^2-10)+1

2x^2-20+1

f[g(3)]=2(3)^2-20+1

18-20+1

18-19=-1

7 0
3 years ago
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