MATHEMATICS HIGH SCHOOL

Jessica cannot remember the correct order of the five digits in her ID number. She does remember that the ID number contains the digits 9, 0, 3, 1, 5. What is the probability that the first four digits of Jessica's ID number will all be odd numbers?

Answers

Answer 1
Answer:

Answer:

80%

Step-by-step explanation:

Since 4 of those 5 numbers are odd, the probability that the ID's first 4 numbers being odd is 4/5 which is 80%

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An auto repair shop charged $75/h for labor plus an additional $89 for parts. If the shop worked for 2 h, which equation represents the total repair cost C ?A. C = 75(2) − 89
B. C = 89(2) + 75
C. C = 75 + 89
D. C = 75(2) + 89

Answers

Answer:

The total cost for the repair  is represented by C = 75 (2) + 89 .

Option (D) is correct .

Step-by-step explanation:

As given

An auto repair shop charged $75/h  for labor plus an additional $89 for parts.

If the shop worked for 2 h.

C = Represented the total repair cost .

Than the equation becomes

C = 75 × 2 + 89

C = 75 (2) + 89

Therefore the total cost for the repair  is represented by C = 75 (2) + 89 .

Option (D) is correct .
d. C= 75(2)+89 because you multiply the amount of hours by the cost per hour then add the cost of parts

4. A couple has 4 children. What is the probability that they have at least 2 girls?

Answers

6/16 or 3/8 unless you mean percentage

Write the expanded form for this expression

-1/2(y - x)

Answers

Answer:  =-1/2x+-1/2y

Step-by-step explanation:

: Ram lived in a small village. When he left for a college in a city, the population of his village was 840. When he came back, the , population had grown by 5%. What was the nopulation he found?​

Answers

Answer:

882

Step-by-step explanation:

840 : 100 x 105 = 882

Compare the numbers 5.0 and 0.5. how many times greater is 5.0 than 0.5

Answers

5.0 is 10 times greater than .5

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Write the equation a. a vertical line that passes through the point (2,-6)

b. the y axis 

c.  a horizontal line that passes through the point (1,4)

d. the x axis

Answers

a)\ x=2\n\nb)\ x=0\n\nc)\ y=4\n\nd)\ y=0
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