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N76 [4]
3 years ago
12

Select the graph of y= cos X. Please help!!

Mathematics
2 answers:
Lera25 [3.4K]3 years ago
8 0

C. Use desmos. It's helpful.

podryga [215]3 years ago
6 0

Answer:

Graph C

Step-by-step explanation:

cos 0º = adj/hyp

On the unit circle

cos 0º = 1 / 1

cos 0º = 1

Only Graph C meets this condition

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What does x(x - 2) equal?
Gennadij [26K]

Answer:

x^2 - 2x

Step-by-step explanation:

Distribute the x to every term in the parenthesis.

4 0
3 years ago
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6. Apples cost $1.99 per pound.
Tcecarenko [31]

a) 3 1/4 pounds of apple costs $6.46

b) X pounds of apple costs $1.99X

c) Clare bought 2.59 pounds of apple

Step-by-step explanation:

Cost of apple per pound= $1.99

a) 3 1/4 pounds = 13/4 pound

Cost for 13/4 pounds of apple = 1.99(13/4)

= $6.46

b) cost for X pound = 1.99(X)

=$ 1.99X

c) money spent for apples = $5.17

Cost per pound = $1.99

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= 2.59 pounds of apple

6 0
3 years ago
What is the vertex of the function y=|x+3| - 2?
mylen [45]

Answer:

3. (-3,-2)

Step-by-step explanation:

For an absolute value the equation, the transformations are as shown:

y= ±a|b(x-h)|+k.

'h' and 'k' are the vertex coordinates, meaning if y= |x+3|-2:

h= -3

and k= -2

Therefore, we get:

(-3,-2)

4 0
3 years ago
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Need help will give you a good rating us
vovikov84 [41]

Answer:

\boxed{2\pm \frac{\sqrt{2}}{2}}

Step-by-step explanation:

2x^2-8x=-7

\sf Add \ 7 \ on \ both \ sides}.

2x^2-8x+7=-7+7

2x^2-8x+7=0

ax^2 +bx+c=0

\sf Apply \ quadratic \ formula.

a=2 \ \ \  b=-8 \ \ \ c = 7

x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

x=\frac{-(-8)\pm\sqrt{(-8)^2-4(2)(7)}}{2(2)}

x=\frac{8\pm\sqrt{64-56}}{4}

x=\frac{8\pm\sqrt{8}}{4}

x=\frac{8\pm2\sqrt{2}}{4}

x=2\pm \frac{\sqrt{2}}{2}

4 0
3 years ago
Where was George Washington born and raised?
Varvara68 [4.7K]

Answer:

Westmoreland County, Virginia

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3 years ago
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