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BabaBlast [244]
2 years ago
9

How to know when it’s a function

Mathematics
2 answers:
mote1985 [20]2 years ago
6 0

What is the equation you are solving?

Elanso [62]2 years ago
5 0

Answer:

Step-by-step explanation:

When x-value has only one y-value corresponding to it.

A y-value can have multiple x-values, but not vice-versa.

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Use pi=3<br> Calculate the area of a circle with a diameter of 10cm
GalinKa [24]
Area of a circle is 75 cm².

Area of a circle is computed by multiplying pi to the square of the radius.

A = πr²

diameter = 10 cm
radius = d/2 = 10/2 = 5 cm
pi = 3

A = 3(5cm²)
A = 3(25cm²)
A = 75 cm²
7 0
3 years ago
Help plz due in 20 min
ipn [44]

Answer:

3\sqrt{7}

Step-by-step explanation:

×\sqrt{63} = \sqrt{9times7} \\\sqrt{9} = 3\\3\sqrt{7}

4 0
3 years ago
Read 2 more answers
Write an equation in slope-intercept form for the line that passes through the given point and is parallel to the graph of the g
Fiesta28 [93]
Parallel lines have equal slopes. so the equation y=-4x+5.has slope of -4 because this is in slope intercept form y=mx+b where m is slope.

so we know a parallel line will have slope -4

we have a point on the line so we will use point slope formula to solve.
y-y1=m(x-x1) where (x1,y1) is point on line
so we get
y-4=-4(x-0) to put in slope intercept form we solve for y
y-4=-4x
y=-4x+4 is an equation of a line parallel to y=-4+5 passing through (0,4)
7 0
3 years ago
Johnny played 31/2 video games in an hour.How many could be play in 40 minutes ?
REY [17]

<u>Answer: </u>

Johnny could play 2\frac{1}{3} video games in 40 minutes.

<u>Explanation:</u>

Given:  

Johnny played  video games in an hour = 3\frac{1}{2}

To  Find:

Video games Jonny can play in 40 minutes =?

Solution:

number of videos games Jonny  can play in 1 hour = 3 \frac{1}{2}= \frac{7}{2}

And as 1 hour = 60 minutes ,  

So number of videos games Jonny can play in 60 minutes =\frac{7}{2}

=> Videos games Jonny can play in 1 minute ={\frac{\frac{7}{2}}{60}

=>\frac{7}{20\times 6}

=> \frac{7}{120}

=> Videos games Jonny can play in 40 minute = 40 x Videos games Jonny can play in 1 minute

=> Videos games Jonny can play in 40 minute = 40 \times \frac{7}{120}

=> \frac{7}{3}=2\frac{1}{3}

Hence Johnny could play 2\frac{1}{3} video games in 40 minutes.

5 0
3 years ago
Determine the period of each function
Arisa [49]

Answer: hmmm, all i could say it is 2,2 function, you have to calculete the other parts yourself.

Step-by-step explanation:

5 0
1 year ago
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