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kaheart [24]
3 years ago
13

Find cos(B) in the triangle. Choose 1 answer:

Mathematics
1 answer:
Leno4ka [110]3 years ago
5 0
Cosine: adjacent/hypothenuse
Adjacent = 3, hypothenuse = 5

Solution: 3/5
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Solve the equation -9x+1=-x+17​
Step2247 [10]

Answer:

x=-2

Step-by-step explanation:

-9x+1=-x+17

Add 9x on both sides:

     1=8x+17

Subtract 17 on both sides:

   -16=8x

Divide both sides by 8:

     -2=x

Check x=-2!

-9x+1=-x+17     with x=-2

-9(-2)+1=-(-2)+17

18+1=2+17

19=19

19=19 is a true equation so x=-2 is correct.

5 0
2 years ago
Read 2 more answers
Find S5 for a geometric series for which a1=81 and r=1/9.
Minchanka [31]

ANSWER

S_5=91\frac{10}{81}




EXPLANATION


The sum of the first n terms of a geometric sequence is given by;


S_n=\frac{a_1(1-r^n)}{1-r} ,-1


Where n, is the number of terms and a_1 is the first term.


When n=5, we have a_1=81, we get;


S_5=\frac{81(1-(\frac{1}{9})^5)}{1-\frac{1}{9}}


S_5=\frac{81(1-\frac{1}{59049})}{1-\frac{1}{9}}


S_5=\frac{81(\frac{59048}{59049})}{\frac{8}{9}}




S_5=\frac{7381}{81}


S_5=91\frac{10}{81}




6 0
3 years ago
Pls help me asap!!!!
RUDIKE [14]

Answer:b

Step-by-step explanation:y=2x-3

5 0
3 years ago
A quantity with an initial value of 8600 grows exponentially at a rate of 20% every 2 minutes. What is the value of the quantity
Hatshy [7]

Answer:

23400 x 8/100 = 1872 = the loss  

1872 : 12 = 156= the loss each month  

156/1872*100% = 8.33 % then round it

3 0
3 years ago
What is the median of the following numbers? 10,6,4,4,6,4,1
saveliy_v [14]

Answer:

4

Step-by-step explanation:

If you set the numbers in order from least to greatest, you will find that 4 is the middle value(median)

7 0
3 years ago
Read 2 more answers
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