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3 years ago

Convert 7 yards 2 feet to inches. 7 yd 2 ft =_in.

Mathematics

2 answers:

ozzi3 years ago

6 0

Answer:

Step-by-step explanation:

i think

WARRIOR [948]3 years ago

3 0

Answer:

The answer is D 276 in.

Step-by-step explanation:

1.) 1 yd = 3 feet sooo... 7 x 3 =21

2.) 21 ft + 2 ft =23ft

3.) 12 in are in 1 foot sooo... 23 x 12 = 276

And that's how you get your answer! :D

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Delta makes 12-volt car batteries. These batteries are known to be normally

blondinia [14]

Answer:

The probability that Delta car batteries last between three and four years

P(36≤X≤48) = 0.5188

The percentage of that Delta car batteries last between three and four years

P(3≤X≤4) = 52%

Step-by-step explanation:

Step(i):-

Given that the sample size n =12 -volt car batteries

Let 'X' be a Random variable in a normal distribution

Given that mean of the normal distribution = 45 months

Given that the Standard deviation of the normal distribution = 8months

Step(ii):-

Let X₁ = 3 years = 12 × 3 = 36 months

$Z_{1} = \frac{x_{1} -mean}{S.D} = \frac{36-45}{8} = -1.125$

Let X₂ = 4 years = 12 × 4 = 48 months

$Z_{2} = \frac{x_{2} -mean}{S.D} = \frac{48-45}{8} = 0.375$

Step(iii):-

The probability that Delta car batteries last between three and four years

P(36≤X≤48) = P(-1.125≤Z≤0.375)

= P(Z≤0.375) - P(Z≤-1.125)

= 0.5 +A(0.375) - (0.5-A(1.125)

= 0.5 + 0.1480 - (0.5 -0.3708)

= 0.1480 + 0.3708

= 0.5188

Final answer:-

The probability that Delta car batteries last between three and four years

P(36≤X≤48) = 0.5188

The percentage of that Delta car batteries last between three and four years

P(3≤X≤4) = 52%

5 0

3 years ago

Help pls ! i’ll mark brainliest to whoever answers it right first. thanks !

Bess [88]

About 90ft

step-by-step explanation: 1/2 (a+b) x h is area of trapezoid. So that would be 40
then area of circle is pi x radius squared. So that is 50.24 roughly.

so 50+40=90

and yeah

hope this helped :))

7 0

3 years ago

Factor this polynomial completely. 6x2 + 7x - 20

Papessa [141]

It’s the third answer
(2x + 5) x ( 3x -4)

3 0

3 years ago

PLEASE HELP

Rom4ik [11]

Its A, all y-values are less than -3x+5. also consider root by setting -3x+5=0

x=5/3 is positive so its the first one

3 0

3 years ago

Read 2 more answers

A ladder leaning against a building makes an angle of 65 degrees with the ground and reaches a point on the building 20 feet abo

lesya692 [45]

22 feet. Using the sine rule theory: 20/sin(65)=x/sin(90). You know that it's 90 degrees because you assume the ground and the building make a 90 degree angle. So, you cross multiply and get 20sin(90)/xsin(65) and solve for x.

5 0

3 years ago