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Katyanochek1 [597]
2 years ago
10

Sues dad fixed her play table each of the 4 legs took 2 nails how many nails did he use

Mathematics
1 answer:
Ahat [919]2 years ago
8 0

Answer:

8 nails

Step-by-step explanation:

because 4x2=8

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Andrea's Sequoia gets 12 miles per gallon while driving in the city, and 20 miles per gallon while on the highway. The last time
Oxana [17]

Answer:

60miles

Step-by-step explanation:

if they drove x miles in the city and y miles on the highway then you know that

x + y = 280

x/12 + y/20 = 16

x + 12y/20 = 16*12 = 192

8y/20 = 88

y = 220

x = 280-y = 280-220 = 60

4 0
2 years ago
Sue takes 5 more cookies than her friend Jill. If sue puts 1 cookie back, how many does she have ?
Art [367]

Answer:

4

Step-by-step explanation:

5-1=4

6 0
3 years ago
Read 2 more answers
Conditional Probability
trapecia [35]
To solve for P(QIR) we use the formula:
P(QIR)=[P(Q∩R)]/P(R)
But from the diagram:
P(Q∩R)=3/22
P(R)=7/22
hence
P(QIR)=3/22÷7/22=3/7
3 0
3 years ago
Write an equation of the line that is perpendicular to 3x + 9y = 7 and passes through the point (6, 4)
andrezito [222]
The perpendicular line will have the x and y coefficients swapped and one of them negated. We can write the desired line as
  9(x -6) -3(y -4) = 0
where the coordinates of the point of interest are (6, 4).
Dividing by 3, this is
  3(x -6) -(y -4) = 0
  3x -y = 14

An equation for the line of interest is ...
  3x -y = 14

8 0
3 years ago
Read 2 more answers
A certain airplane has two independent alternators to provide electrical power. The probability that a given alternator will fai
azamat

Answer:

Probability (Both fail)  = 0.001369

Probability (None fails) =0.927369

Probability (at least one fails)   = 0.072631

Step-by-step explanation:

given data

Probability (fail) P = 0.037

two alternators is  independent

solution

we get here first  probability that both will fail will be

Probability (Both fail) = 0.045²    ................1

Probability (Both fail)  = 0.001369

and

now we get probability that neither will fail

Probability (None fails) = (1-0.037)²              ...............2

Probability (None fails) =0.927369

and

now we get probability that at least one fails

Probability (at least one fails)  = 1 - Probability (non fails)     .................3

Probability (at least one fails)   = 1 - 0.927369

Probability (at least one fails)   = 0.072631

3 0
3 years ago
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