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jenyasd209 [6]
3 years ago
6

the probability that a new microwave oven will stop working in less than 2 years is 0.05. the probability that a new microwave o

ven is damaged during delivery and stops working in less than 2 years is 0.04. the probability that a new microwave oven is damaged during delivery is 0.10. given that a new microwave oven is damaged during delivery, what is the probability that it stops working in less than 2 years?
Mathematics
1 answer:
GrogVix [38]3 years ago
5 0
122222222222233272727722828828282838388383
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Lance used two gallons of paint to pain 785 square feet. How many gallons will he need to purchase to cover 2,500 square feet?
Digiron [165]

Answer:

7 gallon

Step-by-step explanation:

Divide the space that needs paints by how much space has been painted

2500/785 = 3.18

Then double that because it takes 2 gallons to paint every 785 square feet

3.18 x 2 = 6.36

You would need 6.36 gallons of paint, which would round up to 7 because you cannot buy 0.36 of a gallon

8 0
3 years ago
A family buys a car for $20,000. The value of the car decreases about 20% per year. After 6 years, the family decides to sell th
Ugo [173]

Answer:

No

Step-by-step explanation:

The car starts at 20 000

After 1 year, it's worth 18 000

After 2 years, it's worth 14 400

After 3 years, it's worth 11 600

After 4 years, it's worth 9 280

After 5 years, it's worth 7 424

After 6 years, it's worth 5 975.20

No, the family should not sell the car for 4000

3 0
2 years ago
Write an equation in standard form with integer coefficients for the line with slope 14/3 going thought the point (-3,-5)
kipiarov [429]
Y-y1=m(x-x1)
y+5=14/3* (x+3)
y+5= (14/3)x+14
y=(14/3)x+9
(14/3)x+9-y=0 /*3
14x-3y+27=0
7 0
3 years ago
Write x(x-2)+3(2-x) as a product of binomials. Hint: you may want to manipulate (2-x) first. Check to see If you have written an
dmitriy555 [2]

Answer:

x²-5x+6

Step-by-step explanation:

The question is to find product in : x(x-2)+3(2-x)-----------(a)

Make terms in brackets same by introducing a negative sign as;

Collect like terms as : x(x-2) - 3 (x-2)------------ (b)

Note that expression (a) is similar to (b)

Factorize equation (b) as : (x-3)(x-2)

Distribute as : x(x-2) -3 (x-2 ) ------ x²-2x-3x+6

Collect like terms as: x²-5x+6

Final expression : x²-5x+6

Testing with x=5 in original expression

x(x-2)+3(2-x)

5(5-2)+3(2-5)

25-10+6-15

25+6-10-15

31-10-15=6

Using the final expression;

x²-5x+6

5²-5(5)+6

25-25+6

=6

3 0
3 years ago
What is the longest line segment that can be drawn in a right rectangular prism that is 14 cm long 11 cm wide and 7 cm tall
weqwewe [10]

Answer:

The longest segment is approximately 19.13cm

Step-by-step explanation:

Given

l = 14cm

w = 11cm

h = 7cm

Required

The length of the longest segment (d)

This is calculated using:

d = \sqrt{l^2 +w^2 + h^2

So, we have:

d = \sqrt{14^2 +11^2 +7^2

Using a calculator, the equation becomes

d = \sqrt{366

Take square roots

d = 19.13cm

4 0
3 years ago
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