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Alex_Xolod [135]
2 years ago
13

Find the value of each trigonometric ratio

Mathematics
1 answer:
JulijaS [17]2 years ago
7 0

Answer:

Step-by-step explanation:

cos A = 36/45 = 4/5 answer is C

sin A = 27/45= 3/5

tan A =  27/36= 3/4

sec A = 45/36= 5/4

csc A = 45/27= 5/3

cot A = 36/27= 4/3

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What is the rule in this sequence (0,21) (1,18) (2,15) (3,12) (4,9) (5,6) (6,3) (7,0) (8,-3) (9,-6) (10,-9)
anastassius [24]

Answer:

x + 1 & y - 3

Step-by-step explanation:

Because... the x-values are going up by 1 digit each and the y-values are going down by 3 digits each.

6 0
3 years ago
John received $9,000 in student loans. Part of the money he was able to borrow at 7% simple interest, but on the rest of the mon
lidiya [134]
He borrowed "a" at 7% and "b" at 8.25%

now, whatever "a" and "b" are, we know, his student loan was 9000, thus
a+b = 9000

now, he owes 7% or 7/100 for "a", what's 7% of a? well, 7/100 * a or 0.07a

he owes 8.25% of "b", how much is 8.25% of b? well, 8.25/100 * b or 0.0825b

now, we know, at the end of the year, he owed for both loans, 706.25 in interest
thus we know that 0.07a + 0.0825b = 706.25

thus   \bf \begin{cases}
a+b=9000\implies \boxed{b}=9000-a\\
0.07a+0.0825b=706.25\\
----------\\
0.07a+0.0825\left(\boxed{9000-a}  \right)=706.25
\end{cases}

solve for "a", to see how much he borrowed at 7%

what about "b"? well, b = 9000-a
6 0
3 years ago
In a given​ year, residents of a country spent approximately ​$54.6 billion on their pets. Of this​ amount, ​$17.1 billion was f
UNO [17]

The 31.31% of the $54.6 Billion was spent.

for the percentage solution

 x%=(amount spent on veterinary/ total amount) *100

Calculation:

let "x" be the percent of $54.6 billion spent on veterinary and total amount spent is $17.1 billion.

putting values in above formula

x%=(17.1/54.6)*100

x%=(0.3131)*100

x%=31.31

The 31.31% of the $54.6 Billion was spent.

Learn more about the percentage here:

brainly.com/question/14091961

#SPJ1

8 0
1 year ago
What is the length of line MN?
madreJ [45]

Answer:

5

Step-by-step explanation:

Both side have to equal

4 0
3 years ago
Read 2 more answers
What’s (2.5,6) dilated by a scale factor of 2?
vodka [1.7K]

Answer:(5,12)

Step-by-step explanation: 2.5 x 2= 5

6 x 2= 12

3 0
3 years ago
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