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Brilliant_brown [7]
2 years ago
15

Chords and arcs.find x​

Mathematics
1 answer:
bagirrra123 [75]2 years ago
5 0

The chords SR and ST are congruent, so the (minor) arcs SR and ST have the same measure.

The measure of the arcs SR, ST, and RT add up to 360º. So we have

2<em>x</em>º + 64º = 360º  ==>  <em>x</em> = 148

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What is the degree measure of z <br> A.29<br> B.39<br> C.68<br> D.41
r-ruslan [8.4K]

Answer:

\Huge\boxed{C.68}

Step-by-step explanation:

Hello There!

The exterior angle of a triangle rule is that the exterior angle  is equal to the sum of the interior opposite angles

So essentially what I'm saying is that

z = 29 + 39

29+39=68 therefore the measure of angle z is 68

4 0
2 years ago
Solve for the variable:<br> √5-x= √6-x
maxonik [38]

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Step-by-step explanation:

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BigorU [14]

Answer: 350

Step-by-step explanation:

6 0
3 years ago
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Cindy can type 65 words per minute. David can type 75 words per minute. In 7 minutes, how many more words can David type than Ci
DENIUS [597]

Answer:

70

Step-by-step explanation:

It's 70 because first you have multiply for Cindy's words 65×7=455 then multiple David's 75 word times 7 and you get 525. Lastly, You subtract both of their totals and get 70

Hope this helped!

6 0
3 years ago
( simultaneous equations)
daser333 [38]

Answer:

See method below.

Step-by-step explanation:

m/n + n/3 = 2

2/m + n = 4    

First  eliminate the fractions by multiplying the first equation by 3n:-

3m + n^2 = 6n...........(1)

and the second equation by m:-

2 + mn = 4m..............(2)

Now we solve using substitution:-

From equation  (2):-

4m - mn = 2

m = 2 / (4 - n)

Now substitute for m in equation (1):-

6/ (4 - n) + n^2 = 6n

6 + n^2(4 - n) = 6n(4 - n)

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This will not factor so we could solve this using graphical software.

To find the values of the variable m we substitute the found values of n into one of the original equations and solve for m.






6 0
3 years ago
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