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MrRissso [65]
3 years ago
9

What is math and what does it help in life?

Mathematics
1 answer:
vagabundo [1.1K]3 years ago
5 0

Answer:

It helps in common sense

Step-by-step explanation:

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Find all zeros of ƒ(x) = 2x^4 – 72x^2. Then determine the multiplicity at each zero. State whether the graph will touch or cross
AleksandrR [38]

Answer: See below

Step-by-step explanation:

<u>To find the factor,</u>

f(x) = 0

\begin{aligned}&2 x^{4}-72 x^{2}=0 \\&2 x^{2}\left(x^{2}-36\right)=0 \\&x^{2}\left(x^{2}-36\right)=0 \\&x \times x \times(x-6) \times(x+6)=0 \\&\mathrm{x}=0,0,6,-6\end{aligned}

<u>So,</u>

x = 0 multiplicity 2

x = -6 multiplicity 1

x = 6 multiplicity 1

For an even multiplicty, the graph touches the x-axis, and for an odd multiplicty, the graph crosses the x-axis

<u>Therefore,</u>

x = 0 multiplicty 2, Touch

x = -6 multiplicty 1, Cross

x = 6 multiplicty 1, Cross

7 0
2 years ago
Solve IzI &gt; ( ½) <br>a.<br>b.<br>c.​
andrey2020 [161]

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8 0
3 years ago
A family swimming pool membership costs $27.50 per month plus a one-time registration fee of $25. If a family has paid a total o
Anna [14]

Answer:

5 months

Step-by-step explanation:

y=mx+b

162.50=27.50x+25

162.50-25=27.50x+25-25

137.50=27.50x

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5=x

hope this helps :)

8 0
3 years ago
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NEED HELP ASAP!<br><br> Solve the proportion:<br> 5.2 / 3.5 = y / 7.5
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Answer:

y=11.142857

Step-by-step explanation:

Simplify 5.2/3.5 to 1.485714

1.485714=y/7.5

Multiply both sides by 7.5

1.485714× 7.5=y

Simplify 1.485714×7.5 to 11.142857

11.142857=y

Switch sides

y=11.142857

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3 years ago
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