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Citrus2011 [14]
3 years ago
13

Send help, inverse trigonometric functions

Mathematics
1 answer:
Feliz [49]3 years ago
4 0
We know soh cah toa so all we need to do is answer as we normally do but with all little change

Going from b we know 150 is are opposite and 105.03 is adjacent so this would be tangent opposite/adjacent

150/105.03 = 1.428

Change is here now do inverse tangent to 1.428= 54.99 is the angle of b

Remember all were doing is finding the trig function like normal (dividing) then we just put that number in with the inverse trig function

To find angle c all we need to do is add 90+54.99 and subtracted that from 180 which means c is 35.01.
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In a young woman's study group, 7 percent of the students are from the town where the young woman's school is located, 80 percen
Umnica [9.8K]

Answer: the percent of study group students from outside the state is 13%

Step-by-step explanation:

The total number of students in the young woman's study group that are from the town where the young woman's school is located is 7%

The total number of students in the young woman's study group that are from in-state (but not from the school's town) is 80%.

Since the rest are from outside the state, the percent of study group students from outside the state would be

100 - (80 + 7) = 100 - 87 = 13%

5 0
3 years ago
Help!!!!!!!!!!!!!!!!!!!!!!
zhuklara [117]

Answer:

see below

Step-by-step explanation:

9 ^-5 * 9^-3

When multiplying these we ADD the exponents:

9^-5 * 9^-3

= 9^(-5 + -3)

= 9 ^-8

= 1/9^8  Option A


2.    2^14 / 2^7   This is a division so we SUBTRACT the exponents:-

= 2^(14 - 7)  

= 2^7   (answer)

3.    If the triangle is a right angled one then it will obey Pythagoras Theorem so:-

13^ = x^2 + 5&2

x^2 = 13^2 - 5^2

x^2 = 144

x = 12    (answer)


4.   The last choice is a crucial step.

The total area of the triangles is the same in both large squares so  the area of the large  square e^2 = a^2 + b^2 ( the 2 squares in the left side large square).

5 0
3 years ago
No I need 54 inches of wood to build a picture frame. if the wood cost $2.50 a foot, how much will be pay?
tamaranim1 [39]

Answer:

135

Step-by-step explanation:

2 x 54 = 108 and .50 x 54 = 27 so 108 + 27 = 135

7 0
3 years ago
Please help me answer this question!!!
-Dominant- [34]

Answer:

19

Step-by-step explanation:

The triangle is an isosceles and so angle SRT and angle STR are equal

also:

Angle SRT and angle STU are supplementary so their sum is equal to 180

7x + 2x + 9 = 180 add like terms

9x + 9 = 180 subtract 9 from both sides

9x = 171 divide both sides by 9

x = 19

3 0
2 years ago
Which relation is a function
lesantik [10]

Answer:

option 2nd

Step-by-step explanation:

You've selected wrong one

it's first row, last one

to find the graph is a function or not, it should pass vertical line test.

Draw a vertical line through each graph. It should not cut your graph more than once.

2nd graph from first row is passing vertical line test. so it is a function b

3 0
3 years ago
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