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Sergeeva-Olga [200]
3 years ago
11

Are the ratios 3:4 and 2:5 equivalent? yes or no

Mathematics
2 answers:
diamong [38]3 years ago
8 0

No you can’t multply anything by 3:4 to get 2:5 or u can’t do the same the other way

olya-2409 [2.1K]3 years ago
7 0

Answer:

No

Step-by-step explanation:

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50 POINTS !!!!! HomeWorker Helperer please
Tcecarenko [31]

Answer:

1)     - 2 / (cos x + sinx)^2.

Step-by-step explanation:

1) I assume you want the derivative of (cos x - sin x) / ( cos x + sin x).

y'  =  (cosx + sinx)( -sinx - cosx) - (cosx - sinx)(-sinx + cosx)

        ---------------------------------------------------------------------------

                                 (cosx + sinx)^2

=  -sinxcosx - cos^2x - sin^2x - sinxcosx - (-sinxcosx+cos^2x+sin^2x-sinxcosx

       -------------------------------------------------------------------------------------------------------

                                     (cosx + sinx)^2

=     -2sinxcosx - 1  - ( -2sinxcosx   + 1 )   /     (cosx + sinx)^2

=      -2sinxcosx - 1  - ( -2sinxcosx   + 1 )   /     (cosx + sinx)^2

=       - 2 / (cos x + sinx)^2.

3 0
3 years ago
Geometry quick question help
vova2212 [387]

Answer:

Angle 1: 127

Angle 2: 153

Step-by-step explanation:

First, let's find angle 1 by finding the angle that's supplementary to it.

To solve for it, we can set up an equation where the unknown angle and the other angles in the triangle it's in add up to 180:

x+95+32=180

x=53

Since angle 1 is supplementary to 53, that means that angle 1 is equal to 180-53 = 127.

Then, to find angle 2, we can find the angle that's supplementary to it.

To solve for that, we can set up an equation where that unknown angle and the other angles in the triangle it's in add up to 180:

26+127+x = 180

x = 27

Since angle 2 is supplementary to 27, that means that angle 2 is equal to 180-27 = 153.

3 0
3 years ago
Read 2 more answers
A) Work out (5 x 10^3) x (9 x 10^7)<br>b) Work out (7 x 10^5) ÷ (2 x 10^2)​
Otrada [13]

Answer:a. (5 * 9) * (10^3 * 10^7)

45 * 10^3+7

45 * 10^10 = 4.5 * 10^11

b. 7 * 10^5/2 * 10^2

7 * 10^3/2

7 * 1000/2

7 * 500 = 3500 or 3.5 * 10^3

Step-by-step explanation:

5 0
2 years ago
What is the difference of 23x and 9x
Setler [38]
14x if you you mean 23x - 9x then it's 14x but if you mean something else it's not 14x

6 0
4 years ago
Read 2 more answers
E Reasons Y...
Gnom [1K]

Answer:

x = .5

Step-by-step explanation:

Since we have a right triangle, we can use trig functions

tan theta = opp / adj

tan 63 = 1/x

x tan 63 = 1

x = 1/ tan 63

x=0.50952

Rounding to the nearest tenth

x = .5

3 0
3 years ago
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