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sergejj [24]
2 years ago
6

Look at the picture below and answer the question that is being asked

Mathematics
2 answers:
77julia77 [94]2 years ago
5 0

Answer:

D

Step-by-step explanation:

because they are telling you that the 7th graders were randomly chosen out of everyone who rides in a car to school to be fractioned out.

IrinaVladis [17]2 years ago
4 0

Answer:

B

Step-by-step explanation:

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A teacher writes the name of each of her 25 students on a slip of paper and places the papers in a box. To call on a student, sh
Gre4nikov [31]

Answer:

0.56

Step-by-step explanation:

There are 14 girls, and a total of 25 students.  So the probability of selecting a girl is P = 14/25 = 0.56.

8 0
3 years ago
Read 2 more answers
3/12+ = 7/12 as a faction <br><br> please help me
ohaa [14]

Answer:

10/12 or simplified its 5/6

Step-by-step explanation:

3+7 = 10

you keep the 12

10÷2 = 5

12÷2=6

common denominator

6 0
3 years ago
A tire company finds that the lifespan for one brand of its tires is normally distributed with a mean of 47,500 miles and a stan
Illusion [34]

Answer:

42580 miles

Step-by-step explanation:

Mean = \mu = 47500

\sigma = 3000

The manufacturer does not want to replace more than 5% of the tires

P(X\leq x)=5\%

P(\frac{x-\mu}{\sigma}\leq \frac{x-47500}{3000})=0.05

By using normal table values :

\frac{x-47500}{3000}=-1.64

x=(-1.64 \times 3000)+47500

x=42580

Hence the approximate number of miles for the warranty is 42580 miles

6 0
3 years ago
When deriving the quadratic formula by completing the square, what expression can be added to both sides of the equation to crea
nignag [31]

The expression that would be added to both sides is (b/2a)^2

<h3>How to determine the expression?</h3>

The equation is given as:

x^2 + b/ax + __ = c/a + __

Take the coefficient of x

b/a

Divide by 2

b/2a

Square the expression

(b/2a)^2

Hence, the expression that would be added to both sides is (b/2a)^2

Read more about quadratic equation at:

brainly.com/question/10449635

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6 0
1 year ago
What is the solution to 3/8 x 1/8?
babymother [125]

Answer:

3/64

Step-by-step explanation:

Multiply straight across the numerators and then denominators

  3              1                3

-------  X  ----------  =  ---------

  8              8              64

4 0
3 years ago
Read 2 more answers
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