Please help me and explain this.

Mathematics

1 answer:

Zina [86]3 years ago

8 0

You are supposed to answer where the function, h(x), is decreasing. In other words, where is “y” decreasing.

In this graph, I believe it would be from (-3,4)U(8,infinity). I hope this helps.

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The table shows the distance the students a group of students walked during after-school practice. What was the total distance,

ser-zykov [4K]

First let's convert the decimal numbers to mixed numbers:

$\begin{gathered} 3.4=3+0.4=3+\frac{4}{10}=3+\frac{2}{5}=3\frac{2}{5} \\ 1.75=1+0.75=1+\frac{75}{100}=1+\frac{3}{4}=1\frac{3}{4} \\ 2.25=2+0.25=2+\frac{25}{100}=2+\frac{1}{4}=2\frac{1}{4} \end{gathered}$

Now, adding all the numbers, we have:

$\begin{gathered} (3+\frac{2}{5})+(3+\frac{1}{5})+(1+\frac{3}{4})+(2+\frac{1}{4})+(1+\frac{7}{10}) \\ =(3+3+1+2+1)+(\frac{2}{5}+\frac{1}{5}+\frac{3}{4}+\frac{1}{4}+\frac{7}{10}) \\ =10+(\frac{3}{5}+1+\frac{7}{10}) \\ =11+(\frac{6}{10}+\frac{7}{10}) \\ =11+\frac{13}{10} \\ =12+\frac{3}{10}=12\frac{3}{10} \end{gathered}$

So the correct option is B.

8 0

1 year ago

Solve by factoring:<br><br>x^2+4x-12=0

Alika [10]

X^2+4x-12=0
(x+6)(x-2)=0
X can equal -6 and 2.

x=-6
x=2

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4 years ago

Which cone has a greater volume: a circular cone that is 3in. wide and 4in. tall or a second circular cone that is 4in. wide and

Sergio039 [100]

Answer:

Step-by-step explanation: