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Oduvanchick [21]
3 years ago
15

WILL GIVE BRAINLIEST FOR CORRECT ANSWER!!!

Mathematics
1 answer:
madreJ [45]3 years ago
5 0

Answer:y=2x

Step-by-step explanation:

simple math if im not right just text me

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Carla have 42 CDS until she wants see more in a contest writing expression that shows how many cd carla is now
ziro4ka [17]
LOL OKAY LOL OKAY SO THE ANSWER IS AND TO GET THAT ANDWER YOU AND AFTER YOU ADD THAT YOU AND THEN AND THAGS HOW YOU GET YOUR ANDWET I HOPE I HELP U SHE HAS


33
6 0
3 years ago
Scores on a college entrance examination are normally distributed with a mean of 500 and a standard deviation of 100. What perce
Alla [95]

Answer:

The percentage is P(350 <  X  650 ) = 86.6\%

Step-by-step explanation:

From the question we are told that

   The population mean is  \mu  =  500

     The standard deviation is  \sigma  =  100

The  percent of people who write this exam obtain scores between 350 and 650    

    P(350 <  X  650 ) =  P(\frac{ 350 -  500}{ 100}

Generally  

               \frac{X -  \mu }{\sigma }  =  Z (The \  standardized \  value \ of  \  X )

   P(350 <  X  650 ) =  P(\frac{ 350 -  500}{ 100}

   P(350 <  X  650 ) =  P(-1.5

   P(350 <  X  650 ) =  P(Z < 1.5) -  P(Z <  -1.5)

From the z-table  P(Z <  -1.5 )  =  0.066807

   and P(Z < 1.5  ) =  0.93319

=>    P(350 <  X  650 ) =  0.93319 -  0.066807

=>  P(350 <  X  650 ) = 0.866

Therefore the percentage is  P(350 <  X  650 ) = 86.6\%

3 0
3 years ago
PLEASEEEEE HELPPPP ITS DUE at 11:59pm
Masja [62]
Since theres 4 numbers and 60 spins if you divide it you get the average number that all the numbers would land on. 2 would be landed on 15 times if it went exactly to the calculations. not 100% sure though
4 0
3 years ago
Recall that two angles are complementary if the sum of their measures is​ 90°. find the measures of two complementary angles if
gizmo_the_mogwai [7]
Let one angle be x
Let another angle be 17x
17x+x = 90
18x = 90
x = 90/18 = 5
one angle = x = 5
another angle = 17x =17*5 = 85
I hope it is helpful:D
8 0
3 years ago
Jen wants to save money for the future. Jen invests $700 in an account that pays an interest rate of 6.75% How many years will i
pishuonlain [190]
700 x 0.0675 x t = 16,300
47.25t = 16,300
t = 16,300 / 47.25
t = 344.97 years

answer
344.97 years

7 0
4 years ago
Read 2 more answers
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