3 years ago

{y=4x+4} and {y=-4x-12} 4x+=-4x-12

1 answer:

4 0

You use the order of exponents my son is doing this homework the same kind of homework as you are the order for the Spells please excuse my dear Aunt Sally which means parentheses exponents and roots multiplication division addition and subtraction that's the order than what you do it in. so with this one you're going to start with the brackets

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I will give brainliest for question! How many nonzero terms are in the expansion of (x+4)(2x^2+3x+9)-3(x^3-2x^2+7x)?

nataly862011 [7]

Answer:

Four

Step-by-step explanation:

Let's expand and see how many nonzero terms:

⇒ (x+4)(2x²+3x+9)-3(x³-2x²+7x)=

⇒ 2x³ + 3x² + 9x + 8x² + 12 + 36 - 3x³ + 6 x² - 21 x=

⇒ - x³ + 17x² - 12x + 12

As we see the expression has four nonzero terms

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2 years ago

Chantelle has signed up for hockey. Her parents set a limit of 40$ for costs for the season. It costs 25$ to sign up plus 0.75$

sweet [91]

X=(40-25)/.75

X= 15/.75

X= 20

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2 years ago

1) What is 0.627 written in expanded form using decimals?

Lilit [14]

So in order it goes from: 0.6, 0.02, 0.007

7 0

2 years ago

Read 2 more answers

If 6x+7°and 8x-17°are vertical angles, whats x

kolezko [41]

Since the two measures are vertical angles, you want to set them equal to each other :

6x+7=8x-17
-6x -6x
——————
7=2x-17
+17 +17
———————
24= 2x
X= 12
———

The answer is 12.

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3 years ago

What is 1 1/2 · x = 2 3/4

Solnce55 [7]

Answer: 0.5

1) convert to I proper fraction

2) divide the fraction

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3 years ago