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3 years ago

#16 please answer!! thank you!!

Mathematics

1 answer:

lyudmila [28]3 years ago

3 0

Answer:

boooobieeeesss

Step-by-step explanation:

booooobbbsss mmmmm + booooobs

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I’ll mark brinaliest if the answe is correct. I need those two answers that are blank

AysviL [449]

Answer:

blue marbles: 4/15

red marbles: 8/15

Step-by-step explanation:

add all the marbles together then put how many marbles in front as the numerator.

7 0

3 years ago

Write each complex number in rectangular form.

hram777 [196]

Hello,

A)
cos 135°=- cos 45°=-√2/2
sin 135°=sin45°=√2/2
2(cos 135°+i sin 135°)=-√2 + i*√2

B)
cos 120°=-cos 30°=-√3 /2
sin 120°=sin 30°=1/2

3(cos 120° + i sin 120)=-3/2*√3 +i*3/2

C)
cos (5π/4)=-cos (π/4)=-√2 /2
sin (5π/4)= -sin(π/4)=-√2 /2
5(cos (5π/4)+i sin (5π/4))=-5/2*√2 +i *5/2*√2

D)
cos(5π/3)=cos(π/3)=√3 /2
sin (5π/3)=-sin(π/3)=-1/2

4(cos(5pi/3)+i sin (5pi/3))
=2√3- 2*i

4 0

3 years ago

Can someone help me with this, it’s urgent. It’s geometry.

sdas [7]

Answer:

10. Ray ED and Ray EF (two rays)

11. DE and EF (two line segments)

Step-by-step explanation:

hope this helped

6 0

2 years ago

Read 2 more answers

ALL I NEED HELP WITH IS WITH PART D, HOW DO I GET THAT

Sauron [17]

Step-by-step explanation:

Step 1: Factor the equation

$f(x) = -16x^{2} + 22x + 3\\f(x) = -(8x + 1)(2x - 3)$

Step 2: Find the x-intercepts of the graph of f(x)

$-8x - 1 + 1 = 0 + 1\\-8x / -8 = 1 / -8\\x = -1/8$

$2x - 3 + 3 = 0 + 3\\2x / 2 = 3 / 2\\x = 3/2$

Step 3: Describe the end behavior of the graph of f(x)

Since the function is to the power of 2, that means that it is a parabola. And since the leading coefficient is negative, means that the arrows will be pointing down therefore, the end behavior of this graph is as x goes to infinity, f(x) goes to negative infinity and as x goes to negative infinity, f(x) goes to negative infinity.

Step 4: What are the steps you would use to graph f(x)

The first step that I would do is factor the equation. Then I would find the x-intercepts of the graph and plot them on the graph. I would then plug in 0 for all of the x values to get the y intercept. After doing that I would get the vertex using the vertex formula plotting it on the graph. Finally, I would connect all of the dots together to form the graph of the equation.

4 0

3 years ago

How to factor10x^2+89x-9

hodyreva [135]

Look at the attached picture ⤴

Hope it will help u...:)

7 0

4 years ago

Read 2 more answers