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LUCKY_DIMON [66]
3 years ago
12

Which system of inequalities is shown in the graph?

Mathematics
1 answer:
Marysya12 [62]3 years ago
5 0

Answer:

sry I can't understand how to do this question

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A university found that 10% of its students withdraw without completing the introductory statistics course. assume that 20 stude
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2/20 students generally drop the course before completing the introductory statistics course.
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Bart uses 3/12 cup milk to make muffin. Write a fraction that is equivalent to 3/12
vichka [17]
Your fraction that is equal to 3/12 is 1/4
8 0
3 years ago
X = sin 1/2θ, y = cos 1/2θ, −π ≤ θ ≤ π(a) eliminate the parameter to find a cartesian equation of the curve.
Roman55 [17]
First solve for theta in 'x' equation:
\theta = 2 sin^{-1} x

Substitute into 'y' equation:
y = cos (\frac{2 sin^{-1} x}{2}) = cos (sin^{-1} x)

Simplify by rewriting cos in terms of sine.
Using pythagorean identity: sin^2 + cos^2 = 1

cos = \sqrt{1-sin^2} \\  \\ y = \sqrt{1-sin^2 (sin^{-1} x)}
Simplify using inverse function property: f(f^{-1} (x)) = x

y = \sqrt{1 - x^2}
5 0
3 years ago
Read 2 more answers
What is the answer to this question? Please Help.
Arte-miy333 [17]

Answer:

x = 2, y= 3

Step-by-step explanation:

y = -2x+7

y = 5x-7

Since the equations are both equal to y, set them equal to each other

-2x+7 = 5x-7

Add 2x to each side

-2x+7 +2x= 5x+2x-7

7 = 7x -7

Add 7 to each side

7+7 = 7x

14 = 7x

Divide by 7

14/7 = 7x/7

2 = x

Now find y

y = 5x-7

y = 5*2 -7

y = 10-7

y =3

5 0
3 years ago
Can someone tell me how to solve this?
Pachacha [2.7K]

Answer:

The answer to your question is:

a) sin Ф = -3/√10

b) cos Ф = 1/√10

c) tan Ф = -3

Step-by-step explanation:

See the picture below

just remember

sin Ф = opposite / hypotenuse

cos Ф = adjacent / hypotenuse

tan Ф = opposite / hypotenuse

8 0
3 years ago
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