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Andrews [41]
3 years ago
13

PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!!

Mathematics
1 answer:
anastassius [24]3 years ago
8 0
X = 0
X=- 3 1/3 or x= -3.3
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In triangle EFG, angle E equals 8x-16, angle F equals x+8, and angle G equals 2x-10. What is the value of x?
Stels [109]

Answer: The value of x= 18

Step-by-step explanation:

Given: In triangle EFG, angle E equals 8x-16, angle F equals x+8, and angle G equals 2x-10.

The sum of all angles of a triangle is 180°.

Therefore, in triangle EFG

∠E + ∠F +∠G= 180°

⇒ 8x-16 +x+8+ 2x-10 =  180

⇒ 11x-18= 180

⇒ 11x = 180+18

⇒11x=198

⇒ x= 18   [Divide both sides by 11]

Hence, the value of x= 18

6 0
2 years ago
At the U.S open tennis championship a statistician keeps track of every serve that a player hits during the tournament. The mean
GarryVolchara [31]

Answer:

Step-by-step explanation:

Both 115 and 145 mph are above the mean.  Draw a normal curve and mark these speeds.  115 mph is 1 standard deviation above the mean; 130 would be 2 standard deviations above the mean; and 145 would be 3 s. d. above it.

We need to find the area under the standard normal curve between 115 and 145.  This is equivalent to the area under the standard normal curve between z = 1 and z = 3.

I used my TI-83 Plus calculator's DISTR function "normalcdf(" to calculate this area:  normalcdf(1, 3) = 0.1573.

The area between z = 1 and z = 3 is 0.1573.  In other words, the percentage of serves that were between 115 and 145 mph was 15.73%.

8 0
2 years ago
The number of surfers that visited Sunset Beach and Sandy Point over the last 15 days was recorded on these line plots.
Arturiano [62]

Answer:

True

False

True

Step-by-step explanation:

4 0
2 years ago
Help! My birthday is today and no one decorated or got me a cake or got me presents.! Help. If a dog has two apples and I have t
Ahat [919]

Answer:

I'm pretty sure the total would be 5 apples

Step-by-step explanation: If your birthday actually is today then happy birthday if not then.........i dont know

7 0
2 years ago
Read 2 more answers
Solve for x. <br> 4 = log2x
gtnhenbr [62]
log_2 X=4
This is asking what can you raise 2 to in or order to get 4.
X=2
3 0
3 years ago
Read 2 more answers
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