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3 years ago

Help pls ( I took a picture)

Mathematics

1 answer:

almond37 [142]3 years ago

3 0

Answer:

The domain is [0,25] and the range is [0,20]

Step-by-step explanation:

The domain is the range of numbers and that the x value can be in the graph. The range is the range of numbers that the y value can be in the graph.

For the domain, the lowest x value you have is zero in the biggest x value is 25. since there is a dot when x is 25 and when x is 0 your answer is in brackets.

For the range, the lowest y value is 0 and the highest y value is 20. once again your answer is in brackets because there is a point when y is 0 and when y is 20.

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Help please I’m not good at rational functions.

GuDViN [60]

Answer:

See below.

Step-by-step explanation:

$\frac{6z^2-12z}{4z^2-16z+16} +\frac{3z}{z^2-z-2} \\\\$

First, factor the numerators and the denominators:

$=\frac{6z(z-2)}{4(z^2-4x+4)}+\frac{3z}{z^2-z-2}\\=\frac{6z(z-2)}{4(z-2)^2}+\frac{3z}{(z-2)(z+1)}\\=\frac{3z}{2(z-2)}+\frac{3z}{(z-2)(z+1)}$

Now, make the two denominators equivalent. To do this, we can multiply the first term by (z+1) and multiply the second term by 2. This will give us:

$(\frac{z+1}{z+1} )(\frac{3z}{2(z-2)})+(\frac{2}{2})(\frac{3z}{(z-2)(z+1)})\\=\frac{3z(z+1)}{2(z-2)(z+1)}+\frac{6z}{2(z-2)(z+1)} \\$

Now, combine them since they have a common denominator:

$=\frac{3z^2+3z+6z}{2(z-2)(z+1)}\\ =\frac{3z^2+9z}{2(z-2)(z+1)} \\=\frac{3z(z+3)}{2(z-2)(z+1)}$

This cannot be simplified further.

7 0

3 years ago

What is the square root of 32?

netineya [11]

Answer:

4 $\sqrt{2}$

Step-by-step explanation:

8 x 4 = 32

4 = 2 x 2

4 0

4 years ago

Ok,....My daughter is having a problem.... So am I,

egoroff_w [7]

Bruh
so toal cost=28 right?

total cost=total cost of water+total cost of tickets
water=3
subsitute 28=total cost and 3=total cost of water

28=3+total cost of tickets
remember we can do anything to an equaton as long as you do it to both sides

28=3+total cost of tickets
subtract 3 from both sides
28-3=3-3+total cost of tickets
25=0+cost of tickets
25=cost of tickets

if he bought 5 tickets, how much does each cost
25=5tickets
divide both sides by 5
25/5=5/5tickets
5=1tickets

answer is 1 ticket cost $5.00

equation is
total cost=water+tickets
28=3+5tickets

7 0

3 years ago

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Iteru [2.4K]

Answer:

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3 years ago

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Somebody help please?

Neko [114]