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3 years ago

12

BRAINLIEST BRAINLIEST BRAINLIEST!!!!!!!!!!!

1 answer:

gtnhenbr [62]3 years ago

3 0

Part A - The approximate y-intercept of the line is 3. It represents the “starting point”. So when you practiced for 0 months (no practice at all) you won 2 matches

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Find the area of the triangle. please explain/show your work. thank you <3

bonufazy [111]

BC = a
AC = b
ACB = C

To find the area of such triangle we are going to use the formula;

1/2 * a * b * sine C

Substitute values.

1/2 * 4 * 4 * sine 45
= 5.65^2

Therefore the area of the triangle is 5.65^2

4 0

4 years ago

See the file below to see my question :)

RideAnS [48]

9514 1404 393

Answer:

a = 3
b = -18

Step-by-step explanation:

Using the least common denominator, we have ...

$2-\dfrac{x+1}{x-2}-\dfrac{x-4}{x+2}\\\\=\dfrac{2(x-2)(x+2)-(x+1)(x+2)-(x-4)(x-2)}{(x-2)(x+2)}\\\\=\dfrac{2(x^2-4)-(x^2+3x+2)-(x^2-6x+8)}{x^2-4}\\\\=\dfrac{(2-1-1)x^2+(-3+6)x+(-8-2-8)}{x^2-4}=\boxed{\dfrac{3x-18}{x^2-4}}$

The values of a and b are ...

a = 3

b = -18

3 0

3 years ago

30 POINTS PLEASE HELP <br> is f(x)=3x+1 a exponential function?

RoseWind [281]

Yes it is an exponential function as the value of y increases exponentially as x increases.

5 0

4 years ago

Read 2 more answers

A section of guttering can hold up to 20 litres of rainwater. The diameter is 11cm. Work out the length in metres.

m_a_m_a [10]

Answer:

2.1 m

Step-by-step explanation:

The gutter is in the shape of a cylinder.

Its volume is 20 liters and its diameter is 11 cm (0.11 m).

Its radius is half of its diameter => r = 0.055 m.

The volume in cubic metres:

1 litre = 0.001 cubic metres

20 litres = 20 * 0.001 = 0.02 cubic metres

The volume of a section of guttering is given as:

$V = \pi r^2h$

where h = length of the guttering

Therefore:

$0.02 = \pi * 0.055^2 * h\\\\0.02 = 0.009503h\\\\h = 0.02 / 0.009503\\\\h = 2.10 m$

The length of the section of guttering is 2.1 m long.

3 0

3 years ago

Simplify the following by removing parentheses and combining terms<br> - (2x + 8) + 3(2x + 8) - 2x

Sati [7]

Answer:

2x+16

Step-by-step explanation:

PEMDAS

3 0

3 years ago