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Drupady [299]
3 years ago
12

A building company bids on two large projects. The CEO believes the chance of winning the 1st is 0.6, the chance of winning the

2nd is 0.5, and the chance of winning both is 0.3. What is the chance of winning at least one of the jobs?
Mathematics
1 answer:
Ksju [112]3 years ago
4 0

Answer:

0.8

Step-by-step explanation:

A: P(1) = .6, P(2) = .5, P(1 and 2) = .3

P(1 or 2) = P(1) + P(2) - P(1 and 2) .6 + .5 - .3 = 0.8

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For what values of does the equation (2 + 1)^2 + 2 = 10 − 6 have two real and equal roots?
Irina-Kira [14]

Answer:

it isn't the equation so it can't be any roots...

Step-by-step explanation:

(2+1)^2+2=10-6\\4+4+1+2=10-6\\11\neq 4

7 0
3 years ago
0.29m + 10= 0.35m. What is m
ehidna [41]

0.29m+10=0.35m

0.29m-0.29m+10= 0.35m-0.29m

10=0.06 m

Divide by 0.06 for 10 and 0.06

10/0.06= 0.06/0.06 m

m= 166.66666

Answer is m = 166.66666- the number 6 continues

8 0
3 years ago
A plumber charges of fee of $75 to make a house call. He also charges $50 per hour for labor.
Hoochie [10]

Answer:

For part 1- y=50x+75 For part 2- y=325

Step-by-step explanation:

the cost is increasing 50 for every hour

there is a flat rate of 75 to answer a house call

y=50x+75

y=50(5)+75

y=250+75

y=325

5 0
3 years ago
Find all of the solutions for the following equation.
Aleks04 [339]

Answer:

3 tan theta=root 3

tan theta=root 3/3

tan theta=0.57

Step-by-step explanation:

7 0
3 years ago
Plz help me with this
Sonbull [250]
1) this is total area of two triangle
area of a triangle=1/2*b*h
A=1/2*9*4
A=18 inches^2
multiply by 2 because there are two triangle with same measure
2A=2*18=36 inches^2

3) this is a area of rectangle and a triangle and then subtract
A2=9.3x7.8= 72.54 
area of triangle A1=1/2*7.8 *3.3=12.87
A2-A1=59.69 mm^2

5) now u ca do it


4 0
3 years ago
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