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3 years ago

How can you determine if a relation represented as a set of ordered pairs

Mathematics

1 answer:

ddd [48]3 years ago

7 0

Answer:

Hey there!

Using the vertical line test. In a function, one x value only has at most one y value.

Let me know if this helps :)

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4x + 1 = 2x – 5 can someone help me. Whoever gets it right gets it right gets brainliest

castortr0y [4]

Answer:

x=-3

Step-by-step explanation:

subtract "2x" to "4x + 1" and that'll leave -5 by itself and leave 2x+1 on the left and -5 on the right then subtract -1 to -5 and it'll add up to -6 then after that you'd divide 2x to -6 and get -3 and it'll leave 'x' by itself so therefore X = -3

3 0

3 years ago

Read 2 more answers

Find the measure of the central angle with an arc length equaling 29.21 and a circumference = 40.44

Dima020 [189]

measure of central angle is 4.607 radians with an arc length equaling 29.21 and a circumference = 40.44

Step-by-step explanation:

Arc length = 29.21

Circumference = 40.44

Central angle = ?

The formula used to find central angle is:

$s=r\theta$

where s = arc length, r= radius and Ф=central angle.

We need to find radius from circumference

$c=2\pi r\\r=\frac{c}{2\pi } \\Putting\,\,values:\\r=\frac{40.44}{2*3.14}\\r=6.43$

So, radius = 6.34

Now, finding central angle:

$s=r\theta\\29.21=6.34\,\,\theta\\\theta=\frac{29.21}{6.34}\\\theta=4.607\,\,radians$

So, measure of central angle is 4.607 radians with an arc length equaling 29.21 and a circumference = 40.44

Keywords: Central angle of circle

Learn more about Central angle of circle at:

#learnwithBrainly

5 0

2 years ago

if Angela's house is assessed valuation of $61,200 and the tax rate per 100 is $3.78 what will she pay in annual real estate tax

poizon [28]

Answer:

$\boxed{\text{\$2313.40}}$

Step-by-step explanation:

The tax rate is $3.78/$100 assessed

$\text{Tax} = \text{\$61 200 assessed} \times \dfrac{\text{\$3.78}}{\text{\$100 assessed}}$

Cancel the $100 assessed.

612 × $3.78 = $2313.40

Angela's real estate tax will be $\boxed{ \textbf{\$2313.40}}$

3 0

3 years ago

Dr. Baker, a veterinarian, recorded the weight of each newborn kitten her office saw today.

Assoli18 [71]

There’s not actually a question. But I might be able to help if u show the full problem

7 0

2 years ago

A catalog company that receives the majority of its orders by telephone conducted a study to determine how long customers were w

lana66690 [7]

Answer: 0.3679

Step-by-step explanation:

The cumulative distribution function for exponential distribution is :-

$P(x)=1-e^{-\lambda x}$ , where $\lambda$ is the mean of the distribution.

Given : A mean length of waiting time equal $2.8$ minutes

i.e. Mean number of calls answered in a minute $\lambda=\dfrac{1}{2.8}$

Now, the proportion of callers is put on hold longer than 2.8 minutes is given by :_

$P(x>2.8)=1-P(x$

Hence, the proportion of callers is put on hold longer than 2.8 minutes = 0.3679

8 0

3 years ago