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3 years ago

HURRY DUE IN 20 MINUTES Use the rules of exponents to simplify the expressions. Match the expression with its equivalent value.

Mathematics

1 answer:

Nitella [24]3 years ago

4 0

Answer:

1 = A

2= D

3= B

4= C

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How do you write 2.3 x 103 in standard form?

Misha Larkins [42]

Answer:

2300

Step-by-step explanation:

$2.3 \times {10}^{3} \\ \\ = 2.3 \times 1000 \\ \\ = 2300$

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3 years ago

If f(x) = 3x2 and g(x) = x+2, find (f•g)(x).

Alecsey [184]

Since you have provided me with • symbol I must assume it's about function multiplication, but since standard keyboard doesn't have the function composition symbol $\circ$ I must assume you meant either.

1. Case you meant multiplication.

$(f\cdot g)(x)=3x^2\cdot(x+2)=\boxed{3x^3+6x^2}$

2. Case you meant composition.

$(f\circ g)(x)=f(g(x))=f(x+2)=3(x+2)^2=\boxed{3x^2+12x+12}$

Hope this helps. Next time please use LaTeX to format your equations so that others can give you answers as well.

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3 years ago

isiah is saving up $1000 for a trip. He already has $550 saved and plans to save an additional $50 each month. how many months (

Maksim231197 [3]

What month is he in right now .? there are 12 months so, 9months if he’s saving 50$ each month . 50*9 = 450 and he already has 550,

450+550 = 1000

7 0

3 years ago

Read 2 more answers

Please help me and show your work please

irinina [24]

Answer:

She bought five pounds of peppers.

Step-by-step explanation:

All you need to do is: 395/79

5 0

3 years ago

Read 2 more answers

Can someone please help with question. I'll give brainliest answer if you help me.

Nikitich [7]

Step-by-step explanation:

Step 1:

(3x + 12y) + (10x - 5y)

{Distributive property A(B+C)=AB+AC}

-------------------

Step 2:

(3x + 12y) + (-5y + 10x)

{Commutative property A+B = B+A}

-------------------

Step 3:

3x + (12y - 5y) + 10x

{Associative property A+(B+C)=(A+B)+C}

-------------------

Step 4:

3x + 10x + (12y - 5y)

{Commutative property A+B = B+A}

-------------------

Step 5:

13x + 7y

{Simplification}

-------------------

6 0

2 years ago