3 years ago

Which is M = 9pn solved for p

Mathematics

1 answer:

prohojiy [21]3 years ago

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Two families went to the Zoo. The Diaz family paid $170 for 3 children and 2 adults. The Jones family paid $360 for 4 children a

lesantik [10]

Answer:

$\mathrm{A.\:}\begin{cases}3x+2y=170,\\4x+6y=360\end{cases}\\\\\mathrm{B.\:} \$ 30$

Step-by-step explanation:

We can write the following system of equations:

$\begin{cases}3x+2y=170,\\4x+6y=360\end{cases}$ , with variables as defined in the question.

Multiply the first equation by $-3$ and add both equations to isolate and solve for $x$ :

$\begin{cases}-9x-6y=-510,\\4x+6y=360\end{cases}\\-5x=-150,\\x=\fbox{$\$ 30$}$ .

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2 years ago

How many degrees are in a quarter circle? 25° 40° 90° 100°

11111nata11111 [884]

90 degrees
Explanation:

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3 years ago

Read 2 more answers

Find x. Round to the nearest tenth if necessary.

Simora [160]

Answer:

1)From ΔACB

tan 36= x/7

x= 7.tan 36

x= 5.086

2) Sin63=Opp/Hyp= 12/x

=>x=12/Sin63°

x= 13.47

3) Sin=x/MP

Sin 15°=x/12x=125 in 15°

x=3.11

hope it helps...

have a great day!!

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3 years ago

Need help on all three questions 30 pointss

sveta [45]

#6. C
#7. B
#8. B
(I know the questions dont have indicating letters but I used letters to shorten my answer, I'm sure you can understand it)

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3 years ago

One lap around the track at Kathleen’s school is 0.4 kilometer. If Kathleen ran 3.5 laps, how many kilometers did she run?

Advocard [28]

Answer:

Kathleen ran 2 3/16miles

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3 years ago