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Kipish [7]
3 years ago
6

What is the quadratic equation whose roots are -3, -1 and has a leading coefficient of 2 with X to represent the variable?

Mathematics
1 answer:
dexar [7]3 years ago
3 0
f(x)=2(x+3)(x+1)\\
f(x)=2(x^2+x+3x+3)\\
f(x)=2(x^2+4x+3)\\
f(x)=2x^2+8x+6
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According to the properties of inequality, when should the inequality symbol be reversed when solving a two-step inequality in t
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3 years ago
.....does anyone know the answer its not 9 units
Sedbober [7]

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The answer is 10 units

5 0
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Please help!!! I'll mark you as BRAINLIEST and give you 10 points!!!!!
zheka24 [161]

Answer:

6

Step-by-step explanation:

Okay so the shape has an area of 60 square inches. The formula for the area of a triangle is A = b*h where A = area, b = base, and h = height

So we are given the value for A (60)

We are given the value for height (10)

So we just need to find the value of the base

So let's set this up as an equation. Input the given values into the area for triangle formula

A = B*h

60 = B * 10

So we need to solve for B. To do that we need to get B alone on one side of the = sign. B is being multiplied by 10 so do the opposite and divide both sides by 10

60 divided by 10 = 6

10 divided by 10 = 1 (don't actually put a 1 down, just drop it)

So we are left with

6 = B

So the base is 6 square inches. To test, put it in the equation:

A = B*h

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5 0
3 years ago
If I have an angle between 10 and 170 degrees, do I have a plane?
Vitek1552 [10]
I have no idea at all man I’m so sorry your math sucks
7 0
3 years ago
Subject:Mathematics ​
posledela

Answer:

x=28°

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3 0
2 years ago
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