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elixir [45]
3 years ago
11

a factory makes car batteries. the probability that a batterie is defective is 1/16. if 400 batteries are tested, about how many

are expected to be defective. (A. 16) (B. 25) (C. 375) (D. 40)
Mathematics
2 answers:
Delvig [45]3 years ago
8 0

Answer: B. 25

Step-by-step explanation: 16 divided by 400 = 25.

lbvjy [14]3 years ago
8 0

Answer:

The answer is B

Step-by-step explanation:

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A rectangle has a perimeter of 30 feet and an area of 50 square feet. What are the dimensions of the rectangle.
KiRa [710]

I believe the shorter sides are 5 feet and the longer ones are 10. This is because when you add up the two shorter sides as 10, and the other two as 20, then add them up to 30. That's the perimeter. For the area, you would do 10•5 to get 50 for the area

3 0
3 years ago
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A construction crew is lengthening a road. The road started with a length of 59 miles, and the crew is adding 2 miles to the roa
Illusion [34]
The answer is L = 59 + 2(d). If we plug in our numbers, we will get L = 59 + 2(32). 2*32 is 64, and if you add 59 you get 123 miles.

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7 0
3 years ago
1. Determine the measure of the unknown angles indicated by letters. Justify your answers with
Maurinko [17]

Answer:

hello,

Step-by-step explanation:

a)

In an isocele triangle, base's angles have the measure:

42+2a=180

2a=180-42

a=69(°)

b)

in a triangle, an external angle has for measure the sum of the angles not adjacents.

55+b=132

b=77 (°)

c)

in a quadrilater the sum of the (interior) angles is 2*180=360 degrees.

90+90+68+c=360

c=360-90-90-68

c=112 (°)

7 0
3 years ago
Maria ate 1/4 of a pizza. If there were 20 slices of pizza, how many slices did Maria eat?
Sav [38]

Answer:

Step-by-step explanation:

1/4x20=5 so Maria ate 5 slices of pizza.

7 0
3 years ago
How many meters is one centimeter cubed? Also, how many meters cubed are in one liter?
enot [183]
1 m = 100 cm
1 m^3 = 1^6 cm^3


so 1 cm^3 = 10^-6 m^3

and 1 L = 1000 cm^3 = 10^-3 m^3
7 0
3 years ago
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