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ELEN [110]
3 years ago
14

Need help with finding the x!!!

Mathematics
1 answer:
Dvinal [7]3 years ago
8 0
Angle QRT is supplementary to angle SRT, so they add up to 180, so angle SRT's measure is 180-9x

From there you can add up all three angles inside the triangle and set them equal to 180

so (180-9x) + (9+x)+5x=180

Combine like terms and solve for x ⇒ x=3
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Which statement best explains why the value of this expression is equal to −812y? 414x − 812y − 414x
GarryVolchara [31]
For this case we have the following expression:
 414x - 812y - 414x
 Rewriting we have:
 414x - 414x - 812y
 We group similar terms:
 (414x - 414x) - 812y
 Adding we have:
 0 - 812y
 - 812y
 Answer:
 
The sum of a number and its opposite is 0, and the sum of any number and 0 is the number itself.
5 0
3 years ago
Identify vertex and y-intercept of graph of function y= -3(x+2)^2+5
Doss [256]
Hello,

Vertex=(-2,5)
x=0==>y=-3(0+2)²+5=-7

3 0
3 years ago
The trip took 1 hour and 40 minutes 30% of the time the car traveled on rough roads how much time did the car travel on rough ro
Effectus [21]

Answer:

D

NOTE: 1 HOUR IS 60 MINUTES

do 60+40 gives u the minute which is 100

then 100 x30% = 30

NOTE: for the second round up the digit and multiply it  by 65

so 40.4 x 65 gives 62. something

the nearest number is 60 % so 60% is the answer

<em>Please mark as brainliest</em>

Have a great day, be safe and healthy

Thank u  

XD

4 0
2 years ago
Read 2 more answers
A, B &amp; C form a triangle where Z
malfutka [58]

Answer:

BC≈8,38

Step-by-step explanation:

AB=a

BC=c

CA=b

a²+b²=c²

3.3²+7.7²=c²

√70,18=√c²

c≈8,38

8 0
2 years ago
fias goal was to raise $5000 to help protect the manatees.She raised $3500.What percent of her goal did she achieve?
Fed [463]

Hello from MrBillDoesMath!

Answer:  70%

Discussion:

    Goal = 5000

    Amount raised = 3500

    Percent of goal reached = ( 3500/5000) * 100 =

                                                 0.7 * 100 = 70

 

Thank you,

MrB

8 0
3 years ago
Read 2 more answers
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