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e-lub [12.9K]
3 years ago
14

If 40% is equal to the fraction x/30 .What is the value of x?

Mathematics
1 answer:
sammy [17]3 years ago
3 0

Answer:

12

Step-by-step explanation:

40% = .4

.4 = x/30 multiply both sides by 30

12 = x

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Match each of the trigonometric expressions below with the equivalent non-trigonometric function from the following list. Enter
Levart [38]

Answer:

Match each of the trigonometric expressions below with theequivalent non-trigonometric function from the following list.Enter the appropiate letter(A,B, C, D or E)in each blank

A . tan(arcsin(x/8))

B . cos (arsin (x/8))

C. (1/2)sin (2arcsin (x/8))

D . sin ( arctan (x/8))

E. cos (arctan (x/8))

These are the spaces to fill out :

.. ..........x/64 (sqrt(64-x^2))

.............x/sqrt(64+x^2)

.............sqrt(64-x^2)/8

..............x/sqrt(64-x^2)

..............8/sqrt(64+x^2)

A. ........tan(arcsin(x/8))  =......x/sqrt(64-x^2)

B .      cos (arsin (x/8))  ....sqrt(64-x^2)/8

Step-by-step explanation:

To solve this we have to find the missing sides to each of the triange discribed in prenthesis thus

A we have the sides of the triangle given by x, 8 and  \sqrt{8^{2} - x^{2} }or  \sqrt{64 - x^{2} }

thus tan(arcsin(x/8))  = \frac{x}{\sqrt{64 - x^{2} }}  =

Therefore  ........tan(arcsin(x/8))  =......x/sqrt(64-x^2)

B

Here we have cos = adjacent/hypotenuse where adjacent side is \sqrt{64 - x^{2} } and hypothenuse = 8 we have \sqrt{64 - x^{2} }/8

B .      cos (arsin (x/8))  ....sqrt(64-x^2)/8

4 0
3 years ago
Please help asap
EastWind [94]
You have to get y by its self but don’t add 4x to 104 put it as 2y=104+4x then divide them all by 2
4 0
3 years ago
Read 2 more answers
Helppp please need quick
Rus_ich [418]

Answer:

$3 dollars more

Step-by-step explanation:

4 0
3 years ago
If a1 =10 and an = -2an-1 then find the value of a4
LekaFEV [45]

Answer:

a=10

so if we want to find the value of a4

10^4=10000

Hope This Helps!!!

6 0
2 years ago
What are the common factors of 18 and 30? What do they represent?
Zolol [24]
Factor out 18.

The factors for 18 are as listed:

1, 2, 3, 6, 9, 18

Now factor out 30.

The factors for 30 are as listed:

1, 2, 3, 5, 6, 10, 15, 30

Now look at the factors that are both factors for 18 and 30.

So, the common factors are 2, 3, and 6.
5 0
4 years ago
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