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Ilia_Sergeevich [38]
2 years ago
10

What is the range of the function represented by these ordered pairs? {(–2, 1), (0, 0), (3, –1), (–1, 7), (5, 7)}

Mathematics
1 answer:
qaws [65]2 years ago
5 0
The range is the set of y coordinates (or outputs). For any point (x,y) the y coordinate is the second number listed. For example, with (8,7) the y coordinate is 7.

So we simply list all of the y coordinates of each ordered pair. Those values are: 1, 0, -1, 7, 7

Let's order them as you would see on a number line

-1, 0, 1, 7, 7

then let's toss out the extra 7 to get

-1, 0, 1, 7

So the range is the set {-1, 0, 1, 7}
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The height of a cone-shaped container is 70 centimeters and its radius is 15 centimeters. Cathy fills the container completely w
user100 [1]
We know that
[volume of a cone]=pi*r²*h/3
h=70 cm
r=15 cm
[volume of a cone]=pi*15²*70/3----------> 16485 cm³

if  <span>Cathy uses 500 cm</span>³ of honey----------------> 1 day
<span>16485 cm</span>³--------------------------------------> X
<span>X=16485/500-----------> 32.97 days

the answer is 33 days </span>
8 0
3 years ago
Is 921 divisible 3 ? <br> And is 873 divisible by 4 and 491 divisible by 3
joja [24]
Yes 921/3 = 307 873 is not divisible by 4 and 491 is also not divisible by 3
8 0
2 years ago
The length of a rectangle is 5 units less than two times the width. The perimeter is
olga55 [171]

Answer: length: 7

Width: 6

Step-by-step explanation:

3 0
2 years ago
Posting a screenshot, help pls.
Nikolay [14]
When h=0, that is when it hits the ground

0=70-4t-16t²
based on your previous questions, you should have learned how to complete the square

solve by copmleting the square

minus 70 both sides
-70=-4t-16t²
times both sides by -1
70=4t+16t²
16t²+4t=70
divide both sides by 16
t²+1/4t=35/8
take 1/2 of the linear coefint and square it
half of 1/4=1/8, (1/8)²=1/64
add that to both sides
t²+1/4t+1/64=35/8+1/64
factor perfect square trionomial
(t+\frac{1}{8})^2=\frac{35}{8}+\frac{1}{64}
(t+\frac{1}{8})^2=\frac{280}{64}+\frac{1}{64}
(t+\frac{1}{8})^2=\frac{281}{64}
square root both sides, remember to take positive and negative roots
t+\frac{1}{8}=\frac{+/-\sqrt{281}}{8}
minus 1/8
t=\frac{-1+/-\sqrt{281}}{8}

t=\frac{-1+\sqrt{281}}{8} or t=\frac{-1-\sqrt{281}}{8}
the 2nd solution is not valid because that gives us a negative time, before the ball was dropped

so t=\frac{-1+\sqrt{281}}{8} is the solution
t≈1.97

1.97 seconds
7 0
3 years ago
What is the product of (3+radical 5) and (3-radical 5)
schepotkina [342]
(3 + \sqrt{5}) × (3 - \sqrt{5})
Take the special case
(a - b)×(a + b)=a² - b²

a = 3
b = \sqrt{5}

3² - (\sqrt{5})²     {(√)² = the number itself}
              9 - 5
                4 
4 0
3 years ago
Read 2 more answers
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