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Troyanec [42]
3 years ago
9

I need to get this right to finish the lesson

Mathematics
1 answer:
almond37 [142]3 years ago
6 0
For each job you complete, you get quadruple (4 times) the amount of pennies as the previous job. This is a geometric sequence, which looks like 4^1, 4^2, 4^3, ...! Therefore, the 9th job will give you 4^9 pennies, or 262,144 pennies.
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What amount will an account have after 1.5 years if $ 8000 is invested at an annual rate of 9%: (i) Compounded weekly (ii) Compo
Nady [450]
Tamam öğretmenim ben bir şey var ya o kadar güzel ki sen benim için çok teşekkür ederiz iyi akşamlar canım çok sıkılıyo çok teşekkür ederiz
5 0
3 years ago
HELP PLZZ will give brainliest <3
melisa1 [442]

Answer:

0

1

Step-by-step explanation:

First question:

You are given a side, a, and its opposite angle, A. You are also given side b. Use that in the law of sines and solve for the other angle, B.

\dfrac{a}{\sin A} = \dfrac{b}{\sin B}

\dfrac{10}{\sin 30^\circ} = \dfrac{40}{\sin B}

\dfrac{1}{0.5} = \dfrac{4}{\sin B}

\sin B = 2

The sine function can never equal 2, so there is no triangle in this case.

Answer: no triangle

Second question:

You are given a side, b, and its opposite angle, B. You are also given side c. Use that in the law of sines and solve for the other angle, C.

\dfrac{b}{\sin B} = \dfrac{c}{\sin C}

\dfrac{10}{\sin 63^\circ} = \dfrac{}{\sin C}

\sin C = \dfrac{8.9\sin 63^\circ}{10}

C = \sin^{-1} \dfrac{8.9\sin 63^\circ}{10}

C \approx 52.5^\circ

One triangle exists for sure. Now we see if there is a second one.

Now we look at the supplement of angle C.

m<C = 52.5°

supplement of angle C: m<C' = 180° - 52.5° = 127.5°

We add the measures of angles B and the supplement of angle C:

m<B + m<C' = 63° + 127.5° = 190.5°

Since the sum of the measures of these two angles is already more than 180°, the supplement of angle C cannot be an angle of the triangle.

Answer: one triangle

3 0
4 years ago
On the basketball team,
mariarad [96]

Answer:

<h2>              105 points</h2>

Step-by-step explanation:

1%=0.01  ⇒  40% = 40•0.01 = 0.4

x - total of team points

40%x = 42

0.4x = 42

 ÷4      ÷4

0.1x  = 10.5

 •10      •10

  x  =  105

3 0
3 years ago
ANSWER THIS ASAP 20 POINTS(I NEED PROOF)
erik [133]
C i got that off the internet
5 0
3 years ago
Read 2 more answers
10 PTS! <br> Solve the following expression:<br><br> 3²⁰  x  2¹⁰<br> ————— <br> 3    x  2²
loris [4]
Okay so you would do 30^20 and get the answer
do 2^10 get the answer
multiply those together
keep 3
do 2^2
find the answer to 2^2
multiply 2^2 by 3
divide the first number and bottom number and get your answer
6 0
4 years ago
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