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Step2247 [10]
3 years ago
14

For every 144 light bulbs produced, 6 are defective. Find the number of defective light bulbs that could be expected out of 720.

Mathematics
2 answers:
Lelu [443]3 years ago
7 0
You are going to get the rate of the detects.
6 detects ÷ 114 light bulbs = 1/19 detects per light bulb

If there are 720 light bulbs, then the number of detects will be
720 light bulbs * 1/19 detects per light bulb = 37. 89 ≈ 38 detects
torisob [31]3 years ago
6 0

Answer:

30

Step-by-step explanation:

your welcome

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Help pretty pretty please :(
Evgen [1.6K]

Answer:

27/20

Step-by-step explanation:

The absolute value of any expression is always positive or zero

3/5 + 3/4

Add the fractions

27/20

Solution

27/20

Alternate form

1 7/20, 1.35

8 0
3 years ago
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A has coordinates (1,1) and B has coordinates (4,3). if AB is a side of a square, what is the area of the square?
kvasek [131]
Area of the square:
A = s²
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2 years ago
What is the area of the triangle
sasho [114]

Answer:

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Step-by-step explanation:

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3 years ago
Use the distributive property to write an equivalent expression.<br> 9(8w + 4)
Harlamova29_29 [7]

Answer:

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Step-by-step explanation:

7 0
3 years ago
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Help for 1,2,3,4 please
ikadub [295]

In every case, you're finding the surface area of a rectangular prism. That area is the sum of the areas of the 6 rectangular faces. Since opposite faces have the same area, the formula can be written

... S = 2(LW +WH +HL)

The number of multiplications can be reduced if you rearrange the formula to

... S = 2(LW +H(L +W))

where L, W, and H are the length, width, and height of the prism. (It does not matter which dimension gets what name, as long as you use the same number for the same variable in the formula.)

When you're evaluating this formula over and over for diffferent sets of numbers, it is convenient to let a calculator or spreadsheet program do it for you.

1. S = 2((5 cm)(5 cm) +(5 cm)(5 cm +5 cm)) = 2(25 cm² +(5 cm)(10 cm))

... = 2(25 cm² + 50 cm²) = 150 cm²

2. S = 2(12·6 + 2(12+6)) mm² = 2(72 +36) mm² = 216 mm²

3. S = 2(11·6 + 4(11 +6)) ft² = 2·134 ft² = 264 ft²

4. S = 2(10·4 +3(10 +4)) in² = 164 in²

5 0
3 years ago
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