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3 years ago

Find the values of X and Y.

Mathematics

2 answers:

Hatshy [7]3 years ago

7 0

Answer:

x= 90 and y=43

Step-by-step explanation:

x is on a right angle and corner c and b are opposite so the angle is the same, then you add x and corner b together which is 137 and because all angles on a triangle add up to 180 you minus 137 from 180 which give you the answer of 43

I THINK

Natasha_Volkova [10]3 years ago

3 0

Answer:

x = 90°

y = 43°

Step-by-step explanation:

We know that one angle equals 47°.

The two triangles are right triangles, so that makes x = 90°.

To find y, we add 90 + 47.

That would give us 137°.

All triangles add up to 180°.

180 - 137 = 43.

43° is the answer.

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Which of the following expressions results in 0 when evaluated at x = 4?

amid [387]

Answer:

Step-by-step explanation:

x-4 is zero when x=4

so the one that contains the factor (x-4)

7 0

3 years ago

Read 2 more answers

1-tan^2(x)/sec^2 = cos(2x)

LekaFEV [45]

By applying the formula of trigonometric function the right hand side will

be equal to right hand side which is 1- $tan^{2} x$ / $sec^{2}x$ =cos2x.

Given: 1- $tan^{2} x$ / $sec^{2}x$ =cos2x.

Taking right hand side first which is cos2x.

We know that cos2x= $1-tan^{2}x/1+tan^{2}x$

Now we will solve the left hand side of the equation give which is

1- $tan^{2} x$ / $sec^{2}x$

=1- $tan^{2}x$ /1+ $tan^{2}x$

[secant square x minus tangent square x is equal to 1]

By putting both values left hand side and right hand side we will find our solution which is :

1-tan^{2}x/1+tan^{2}x=1- $tan^{2}x$ /1+ $tan^{2}x$ .

Hence proved

Learn more about trigonometric functions at brainly.com/question/24349828

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3 0

1 year ago

HELP ME PLEASE! 30 points

exis [7]

Answer:

C=14

Step-by-step explanation:

To find the minimum value, graph each of the inequalities. After graphing each inequality, test a point and shade the region that satisfies the inequality. Once all inequalities have been shaded, find the region where they all overlap. The region will be bounded by intersection points. Test each of these points into C=x+3y. The least value for C is the minimum.

(14,0) (0,17.5) (3.08,3.64)

C=14+3(0) C=0+3(17.5) C=3.08 + 3(3.64)

C=14 C=52.5 C=14

7 0

3 years ago

Read 2 more answers

How many solutions does the equation have?

Lunna [17]

6x + 3 = 3 + 6x
0 = 0

many solutions

answer
infinitely many

6 0

3 years ago

Is a diameter of 9cm more than a radius of 5cm and which would have the larger circumference?

Tpy6a [65]

Answer:

Circle B

3.14 cm

Step-by-step explanation:

1. The diameter is twice the radius, so the diameter of Circle B is ...

2 × 5 cm = 10 cm

This diameter is greater than the 9 cm diameter of Circle A, so Circle B is larger and will have a larger circumference.

2. The circumference is the product of π and the diameter. Then the difference between the two circumferences is ...

... (circle B circumference) - (circle A circumference) = π·(10 cm) - π·(9 cm)

... = π·(10 -9) cm = π·1 cm ≈ 3.14 cm

6 0

2 years ago