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3 years ago

–12 ÷ 3 • (–8 + (16) – 6) + 2 step by step

Mathematics

2 answers:

trapecia [35]3 years ago

5 0

Hope this helps. ,=,e

miv72 [106K]3 years ago

4 0

Answer:

the answer is 6

Step-by-step explanation:

–12 ÷ 3 • (–8 + (16) – 6) + 2

-12 ÷ 3 = -4

-4 • (–8 + (16) – 6) + 2

-8 + 16 = 8

-4 • ( 8 - 6) + 2

8-6 = 2

-4 • 2 + 2

-4 • 2 = -8

-8 + 2 = -6

Answer : -6

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What is the slope of 6x-3y=18??

dolphi86 [110]

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6 0

3 years ago

Solve y=-3x² + 4.5x – 20<br> Use the Quadratic formula

statuscvo [17]

Answer:

$x=0.75 \pm 2.47067i$

Step-by-step explanation:

Quadratic Formula: $x=\frac{-b \pm \sqrt{b^2-4ac} }{2a}$

√-1 is imaginary number i

Step 1: Define

y = -3x² + 4.5x - 20

a = -3

b = 4.5

c = -20

Step 2: Substitute and Evaluate

$x=\frac{-4.5 \pm \sqrt{4.5^2-4(-3)(-20)} }{2(-3)}$

$x=\frac{-4.5 \pm \sqrt{20.25-240} }{-6}$

$x=\frac{-4.5 \pm \sqrt{-219.75} }{-6}$

$x=\frac{-4.5 \pm \sqrt{219.75}(\sqrt{-1} ) }{-6}$

$x=\frac{-4.5 \pm i\sqrt{219.75} }{-6}$

$x=\frac{4.5 \pm i14.824 }{6}$

$x=0.75 \pm 2.47067i$

7 0

3 years ago

The Rogers Park cafeteria sells veggie pizza and cheese pizza. Today they sold 25 pizzas at lunch. They sold seven more cheese p

MA_775_DIABLO [31]

Let the number sold of veggie pizza be a
The number sold of cheese pizza be b
a+b=25…1
A+7=b…2

Sub 2 into 1
a + a+7 = 25
2a+7=25
2a=18
a=9

Sub a=9 into 2
9+7=b
b=16

They sold 9 veggie pizza and 16 cheese pizza

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3 years ago

What are the zeros of f(x) = (x − 5)(x − 4)(x − 2)?

Dominik [7]

Answer:

x=5 , x=4, x=2

i got this answer by setting the x-5=0 then solve for x. same for each x-5, x-4, x-2.

8 0

3 years ago

Read 2 more answers

I need 3 questions answered please.

kakasveta [241]