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3 years ago

Can someone help me with this one math problem ? picture is below

Mathematics

2 answers:

Bogdan [553]3 years ago

7 0

Here is what I got. Hope it helps

Scorpion4ik [409]3 years ago

4 0

I am not sure on how to do this however here is a link with information thst will be able to help you around this subject.i hope this helps
https://www.bbc.com/bitesize/guides/z8k887h/revision/1

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Lemur [1.5K]

Answer:

Look at the image below.

Step-by-step explanation:

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3 years ago

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4 years ago

The function C(x) = 49.5x + 19.5 represents the cost (in dollars) of buying x concert tickets. How much does it cost to buy four

Reika [66]

To buy four tickets it would cost $217.5 because
C(x) = 49.5(4) +19.5
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4 years ago

Directions: Solve the polynomials y

mrs_skeptik [129]

Answer:

Step-by-step explanation:

In this question we will solve the polynomials by adding or subtracting the similar terms.

1). (-3x² - 8x + 2) + (-5x² - 9x - 2)

= (-3x²- 5x²) - (8x + 9x) + (2 - 2)

= (-8x²) - 17x + 0

= -8x² - 17x

2). (-2x² + 7x - 1) - (8x² - 6x + 5)

= (-2x² - 8x²) + (7x + 6x) - (1 + 5)

= -10x² + 13x - 6

3). (5x²- 5xy - 10y²) + (5x²+ 5xy + 10y²)

= (5x² + 5x²) + (-5xy + 5xy) + (-10y² + 10y²)

= 10x²

4). (2 + 8x + 4x²) - (9 + 6x + 2x²)

= (2 - 9) + (8x - 6x) + (4x² - 2x²)

= -7 + 2x + 2x²

5). (4x³ + 5x²+ 3x) - (3x³ + 6x²- 1)

= (4x³ - 3x³) + (5x² - 6x²) + 3x + 1

= x³- x² + 3x + 1

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3 years ago

Find the area of the circle to the nearest whole number, if necessary!

astra-53 [7]

Answer:

The circle has an area of about 1385 square mm.

Step-by-step explanation:

Let's recall that circles have an area that can be found with the following formula:

$A=\pi r^{2}$

where r is the radius of the circle.

Now, focus your eyes on the circle. We are shown that the diameter of this circle is 42 mm, but we only want the radius. Since the radius is half the diameter, the radius is 21 mm. Now, we can solve for the area of the circle.

$A=\pi (21)^2\\A=441\pi \\A=1385.44236...$

So, to the nearest whole number, the area of the circle is 1385 square mm.

5 0

2 years ago