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gavmur [86]
3 years ago
6

Find c

" title="a+a=10\\a+b=35\\b-z=5\\z+a+b+c= 10" alt="a+a=10\\a+b=35\\b-z=5\\z+a+b+c= 10" align="absmiddle" class="latex-formula">
Mathematics
2 answers:
marin [14]3 years ago
6 0
C=-50 a=5 b=30 z=25

25+5+30+(-50)=10
TEA [102]3 years ago
5 0

Answer= -50

a= 5

b= 30

z= 25

c= -50

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The Sunday newspaper costs $2.10 issue delivered and the Saturday and weekday papers cost 40 cents per issue delivered how many
In-s [12.5K]

26 weeks is what I got

6 0
3 years ago
Answer the question below please
PSYCHO15rus [73]

Answer:

x=7

Step-by-step explanation:

AC=3x+3  AB=-1+2x and BC=11

AC = AB + BC

ALL THE STEPS:

3 X + 3 = - 1 + 2 X + 11

3 X + 3 = 2 X + 10

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X + 3 = 10

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5 0
3 years ago
Read 2 more answers
Please help me with these 2 question.
maks197457 [2]

Answer:

Step-by-step explanation:

- sqrt(39) and square root 47

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4 0
2 years ago
On a standardized test with a normal distribution the mean score was 67.2. The standard deviation was 4.6. What percent of the d
Reika [66]

Answer:

P ( -1 < Z < 1 ) = 68%

Step-by-step explanation:

Given:-

- The given parameters for standardized test scores that follows normal distribution have mean (u) and standard deviation (s.d) :

                         u = 67.2

                         s.d = 4.6

- The random variable (X) that denotes standardized test scores following normal distribution:

                         X~ N ( 67.2 , 4.6^2 )

Find:-

What percent of the data fell between 62.6 and 71.8?

Solution:-

- We will first compute the Z-value for the given points 62.6 and 71.8:

                          P ( 62.6 < X < 71.8 )

                          P ( (62.6 - 67.2) / 4.6 < Z < (71.8 - 67.2) / 4.6 )

                          P ( -1 < Z < 1 )

- Using the The Empirical Rule or 68-95-99.7%. We need to find the percent of data that lies within 1 standard about mean value:

                          P ( -1 < Z < 1 ) = 68%

                          P ( -2 < Z < 2 ) = 95%

                          P ( -3 < Z < 3 ) = 99.7%

6 0
3 years ago
Please help need answer fast
Zanzabum

Answer:

1,004

Step-by-step explanation:

8 0
3 years ago
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