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mylen [45]
3 years ago
15

In triangle ABC , m angle A=(3x)^ , m angle B=(3x+10)^ , and m angle C=(4x-30)^ Find m m angle C

Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
6 0

Answer:

B

Step-by-step explanation:

Interior angles of a triangle = 180°

3x°+3x+10°+4x-30°=180°

10x°-20°=180°

10x°=180°+20°

10x°= 200°

10x°/10=200°/10

x°=20°

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Please help. Thank you
Inessa [10]

Given:

PQRS\sim TUVW

In the given figure, PS=x, RS=35, UV=20, VW=25 and TW=15

To find:

The scale factor from PQRS to TUVW.

Solution:

We have,

PQRS\sim TUVW

We know that the corresponding sides of similar figures are proportional. The scale factor is the ratio of one side of image and corresponding side of preimage.

The scale factor is:

k=\dfrac{VW}{RS}

k=\dfrac{25}{35}

k=\dfrac{5}{7}

Therefore, the scale factor from PQRS to TUVW is k=\dfrac{5}{7}.

6 0
3 years ago
5/6 divided by 3 2/3
Digiron [165]

Answer:1st number: 5/6, 2nd number: 3 2/3

5

6

÷

11

3

is

5

22

.

Steps for dividing fractions

Find the reciprocal of the divisor

Reciprocal of

11

3

:

3

11

Now, multiply it with the dividend

So,

5

6

÷

11

3

=

5

6

×

3

11

=

5 × 3

6 × 11

=

15

66

After reducing the fraction, the answer is

5

22

Mark brainlest

6 0
3 years ago
This isn’t a math question but I need help!!!
nasty-shy [4]
Well he probably likes you and if you like him tell him, but make sure he isn’t playing you and you are ok with dating first. If you don’t like him and he likes you let him down nicely cause you don’t wanna be rude. All the signs are there, so do what ever pleases you.
6 0
3 years ago
Y=2x-15 y=5x what the x equals
daser333 [38]

Answer:

16y=13x

Step-by-step explanation:

this honestly doesn't make sense but this is as much as i could simplify

7 0
3 years ago
What is the solution to this system of equations?<br> 3x + y = 17<br> x + 2y = 49
Anna007 [38]

Answer:

y=26, x=-3

Step-by-step explanation:

3x+y=17

3x+y-y=17-y

3x=17-y

Divide both sides by 3

Simplify

\frac{17-y}{3}+2y=49

\frac{17-y}{3}\cdot \:3+2y\cdot \:3=49\cdot \:3

17-y+6y=147

17+5y=147

17+5y-17=147-17

5y=130

\frac{5y}{5}=\frac{130}{5}

y=26

x=\frac{17-26}{3}

x=-3

8 0
3 years ago
Read 2 more answers
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