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Nana76 [90]
2 years ago
15

If p(x)=x^2+x+1 and q(x)=3x^2-1, find p(7)

Mathematics
1 answer:
Delvig [45]2 years ago
7 0

Answer:

p(7) = 57

Step-by-step explanation:

Because this is a function, all you have to do is input 7 for x like so:

p(x)=x^2+x+1 --------------->     p(7)=7^2+7+1

                                            so 49 + 8

                                                = 57

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A messenger earns 2640 per year and pays tax at the rate of 10k On a naira how much tax does he pay in the year
Marta_Voda [28]

Answer:

264 naira

Step-by-step explanation:

Given that:

Amount earned per year = 2460

Rate of interest paid : 10k per naira earned

Tax paid by messenger per year :

100k = 1 naira

10k = (100/10) = 0.1 naira

Hence 0.1 naira is paid as tax on every naira earned

Total amount paid on 2640 Naira :

Amount paid per naira * total amount earned

(0.1 * 2640) = 264 naira

5 0
3 years ago
Please help and work please
masha68 [24]
84/60=1.4
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3 years ago
If the arc length of a sector in the unit circle is 4.2, what is the measure of the angle of the sector?
iren [92.7K]
Bear in mind the Unit Circle is called so, because its radius is exactly 1, thus just 1 unit, the Unit Circle

anyway    \bf \theta=\cfrac{180s}{\pi r}\qquad 
\begin{cases}
\theta=\textit{central angle in degrees}\\
r=radius\\
s=\textit{length of the arc}\\
----------\\
s=4.2\\
r=1
\end{cases}\implies \theta=\cfrac{180\cdot 4.2}{1\cdot \pi }
4 0
3 years ago
Muffy, Carlos, Doug and Shay are flying kites.
Morgarella [4.7K]
Muffy = 175 feet
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Dough = 125 feet
Shay = 50 feet

Hope I helped.
7 0
3 years ago
Read 2 more answers
Diego has 90 song on his playlist If 40% of them are hip-hop how many songs Are hip-hop
abruzzese [7]

Answer:

225

Step-by-step explanation:

i used a calculater and did 90 divided by .40

8 0
3 years ago
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