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postnew [5]
2 years ago
5

1) For what values is the statement true? sin(x+20)°=cos(y−10

Mathematics
1 answer:
iragen [17]2 years ago
5 0

Answer:

1) X =20° ,Y=60°

2) 7/5

3) first is correct

4) 2

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At a coffee shop, 70% of the customers buy a coffee drink, 30% buy food, and 20% buy both a coffee drink and food. Are buying fo
Shkiper50 [21]

Yes.

70% of the customers buy a coffee drink and 30% buy food.

The sum of it is 100% already.

So 20% of it just another addition of information since it cannot exceed 100% of percentage (100% + 20% = 120%).

It also contains a subset for both percentage.

8 0
3 years ago
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What is the value of 43 = 23? 2 7 8 16​
nata0808 [166]

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16

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I dont really inderstand but i would say 16 because it is closer to adding up to 43 so yea

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3 years ago
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4 0
2 years ago
The graph of which function has an axis of symmetry at x=3?​
iragen [17]

Answer:

A graph that has an axis of symmetry at x = 3 would be x^2 -6x + 12

Step-by-step explanation:

In order to find a graph that has an axis of symmetry at 3, use the equation for the axis of symmetry of a quadratic.

x = -b/2a

In this equation, a is the coefficient of x^2 and b is the coefficient of x. So, if we use 3 as x and we choose a random number to be a (1), we can solve for the b.

3 = -b/2(1)

3 = -b/2

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b = -6

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5 0
3 years ago
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