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3 years ago

What is the answer to 7(2x + 9)

Mathematics

1 answer:

Damm [24]3 years ago

7 0

Answer:

14x + 63

Step-by-step explanation:

$7(2x+9)\\\\14x+63\\\\\left \{ {{7*2x=14x} \atop {7*9=63}} \right.$

Hope this helps.

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A square corner of 16 square centimeters is removed

oee [108]

Option C:

Area of the remaining paper = (3x – 4)(3x + 4) square centimeter

Solution:

Area of the square paper = $9x^2$ sq. cm

Area of the square corner removed = 16 sq. cm

Let us find the area of the remaining paper.

Area of the remaining paper = Area of the square paper – Area of the corner

Area of the remaining = $9x^2-16$

= $(3x)^2-(4)^2$

Using algebraic formula: $a^2-b^2=(a+b)(a-b)$

$=(3x-4)(3x+4)$

Area of the remaining paper = (3x – 4)(3x + 4) square centimeter

Hence (3x – 4)(3x + 4) represents area of the remaining paper in square centimeters.

8 0

3 years ago

Read 2 more answers

I'm so bad at math please anyone help :(

kondaur [170]

It should be d. , Because if you take the equation 3x+y=9, and make it slope intercept form, it would be y= -3x+9. -3 is the slope, and 9 is the y intercept. D is the answer.

6 0

3 years ago

NEED HELP SOON!!!!<br> for any numbers a, b, and c, a(b + c)=ab+ac

navik [9.2K]

The property displayed here is the distributive property.

If you have a variable or unknown number inside or outside of parentheses, you can distribute it to each term and add the terms together, and it will remain true.

Example:

4(x + 5)

After distributing, it'll look like this:

4x + 20

6 0

3 years ago

sherman has 3 cats and 2 dogs he wants to buy sa toy for each of his pets sherman has 22$ to spend on toys how much can he spend

son4ous [18]

Total pets = 3+2 =5.

Total money = $22

Money for each pet would be:

22/5 in fraction .

$4.40 in dollars & cents.

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3 years ago

A cell phone company charges $42 per month of service. The cost of a new

Lorico [155]

Answer:

it will cost $205.99 dollars

Step-by-step explanation:

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3 years ago