3 years ago

What is the measure of ABC?

Mathematics

2 answers:

nikitadnepr [17]3 years ago

8 0

The correct answer is choice B

enyata [817]3 years ago

5 0

Answer:

Step-by-step explanation:

The angle at the centre is equal to the arc that subtends it , thus

∠ ABC = arc AB = 75° → B

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Lady bird [3.3K]

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Step-by-step explanation:

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3 years ago

A point moves along the curve y = √ x in such a way that the y-component of the position of the point is increasing at a rate of

Eduardwww [97]

Answer:

The value of x component changes at a rate of $\frac{dx}{dt}=4\sqrt{x}$ units per second

Step-by-step explanation:

We are given that $y=x^{\frac{1}{2}}$

Differentiating on both sides with respect to time we get

$\frac{dy}{dt}=\frac{d\sqrt{x}}{dt}\\\\\frac{dy}{dt}=\frac{1}{2}x^{\frac{-1}{2}}(\frac{dx}{dt})\\\\\frac{dy}{dt}=\frac{1}{2\sqrt{x}}\frac{dx}{dt}$

It is given that $\frac{dy}{dt}=2units/sec$

Solving for $\frac{dx}{dt}$ we get

$\frac{dx}{dt}=\frac{dy}{dt}\times 2\sqrt{x}\\\\\frac{dx}{dt}=4\sqrt{x}$

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3 years ago

What is the slope and the y intercept of the equation -5x+3y=15

Rina8888 [55]

Answer: the slope is 5/3 and the y-intercept is (0,5)

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3 years ago

1. when y=7 , what is the value of x?<br><br> 2. what is the y-intercept of the graph?

Yakvenalex [24]

1) Correct.

2) The y-intercept is when x=0, so it is (0,5).

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2 years ago

Will mark brainliest pls help

jonny [76]

Try photo math it should

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2 years ago