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Rudik [331]
3 years ago
11

HELP ASAP

Mathematics
2 answers:
slega [8]3 years ago
7 0

Answer:

No

Step-by-step explanation:

The sample size wasn't big enough. It could only be a trend in that grade.

Troyanec [42]3 years ago
3 0

Answer:

Mr. Rodriguez made a reasonable assumption. His surveys were random, non-biased, and relatively large in comparison to the school population. 12 out of 60 is 20%.

Step-by-step explanation:

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Write a function g whose graph represents a reflection in the y-axis of the graph of f(x)=|2x−1|+3
ikadub [295]

Answer:

Step-by-step explanation:

f(x) = |2x−1|+3, reflected over the y-axis becomes

g(x) = |-2x−1|+3

We needed the point (0.5, 3) to go to the other side of the y-axis to get the point (-0.5, 3).

4 0
3 years ago
Decide whether the relation is a function.
Savatey [412]
Functions cannot have different ranges for the same domains
From what I see, all the domains are different

Function
5 0
3 years ago
Can someone PLEASE explain how to simplify square roots with variables and eexponents in them?? I'd also be thankful if you expl
Verizon [17]
X^a/b is  \sqrt[b]{x^a} . The way I memorise that is x^1/3 is the cubic root of x. Do you get it? In that case, x is raised to a power of 1 and the cubic root is practically has a power of 3.
In your example, 

\sqrt[ \frac{3}{2} ]{16 x^4} is practically square rooting each term then cubing them individually. Remember when square-rooting any index you halve it. I'll elaborate:

\sqrt{x^4} = x^{2}
\sqrt{16} = 4
Then cube each,
4^3 = 64 
and ( x^{2} )^3 = x^{6}

As for the 2nd part: you must use the rules of indices.
x^{a}  *  x^{b} =  x^{a+b}
So breaking the question up:

3 * 3 = 9
x^{ \frac{1}{2} } stays as is since the 2nd term does not contain x
now: 
y^{ \frac{4}{3} }  * y^{1} =  y^{ \frac{4}{3} + 1 }  =  y^{ \frac{4}{3} +  \frac{3}{3} }  =   y^{ \frac{7}{3} }
This makes your final answer look like this:
9 x^{ \frac{1}{2} }  y^{ \frac{7}{3} }

I hope that helped and good luck in your test!
4 0
4 years ago
Solve the inequality<br><br> (x/3) + 5 ≤ 14
faust18 [17]
\dfrac{x}{3}+5\leq14\ \ \ |subtract\ 5\ from\ both\ sides\\\\\dfrac{x}{3}\leq9\ \ \ |multiply\ both\ sides\ by\ 3\\\\x\leq27\to x\in(-\infty;\ 27]
4 0
3 years ago
Read 2 more answers
Dave made 12 free throws out of 15 attempts during the basketball game. what was his free throw average expressed as a decimal.
Readme [11.4K]

Answer:

.8

Step-by-step explanation:

The average of made free throws over attemped would be 12/15 as a ratio. 12÷15 would then equal .8

Hope this helps!

3 0
3 years ago
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