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3 years ago

IM BAD AT PROPORTIONAL RELATIONSHIPS PLEASE HELP

Mathematics

2 answers:

Romashka-Z-Leto [24]3 years ago

8 0

Answer:

i will say Yes

Step-by-step explanation:

andriy [413]3 years ago

8 0

Answer:

I say yes

Step-by-step explanation:

This is because if you work it out step by step by step you will get the numbers equally

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Why are the flat surfaces on a rectangular prism called faces

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Because they act like a face that provides recognition to the shape.

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3 years ago

What is 1/3 of 9/16?

mariarad [96]

of means times so you multiply the fractions

1 x 9 = 9

3 x 16 = 48 (we multiplied numerators and denominators)

9/48 = 3/16 (Simplify by dividing a multiple on both the numerator and denominator

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3 years ago

Evaluate 32 + (5 − 2) ⋅ 4 − 6 over 3.

Korvikt [17]

The answer is 414/3
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32+3=35
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3 years ago

Find all solutions to the equation (x² + 5x + 6)(x² − 3x − 4) = 0.

Soloha48 [4]

Answer:

The solutions are:

$x=-2,\:x=-3,\:x=-1,\:x=4$

Step-by-step explanation:

To find the solutions to the equation $\left(x^2+5x+6\right)\left(x^2-3x-4\right)=0$ you need to:

Factor $\left(x^2+5x+6\right)$

Break the expression into groups

$x^2+5x+6=\left(x^2+2x\right)+\left(3x+6\right)$

Factor out $x$ from $(x^2+2x)$

$x^2+2x=x\left(x+2\right)$

Factor out 3 from $3x+6$

$3x+6=3\left(x+2\right)$

$x^2+5x+6=x\left(x+2\right)+3\left(x+2\right)\\\\\mathrm{Factor\:out\:common\:term\:}x+2\\\\x^2+5x+6=\left(x+2\right)\left(x+3\right)$

Factor $\left(x^2-3x-4\right)$

$x^2-3x-4=\left(x^2+x\right)+\left(-4x-4\right)\\\\x^2-3x-4=x\left(x+1\right)-4\left(x+1\right)\\\\x^2-3x-4=\left(x+1\right)\left(x-4\right)$

Therefore

$\left(x^2+5x+6\right)\left(x^2-3x-4\right)=\left(x+2\right)\left(x+3\right)\left(x+1\right)\left(x-4\right)=0$

Using the Zero Factor Theorem:

5 0

4 years ago

What is the value of<br> 2x2 + 3x + 12, when x = 7?

Flura [38]

It would be 4+21+12 = 37

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3 years ago