Convert 7 yards 2 feet to inches. 7 yd 2 ft = ____ in.

Mathematics

2 answers:

xeze [42]3 years ago

5 0

1 yard = 3 feet

1 foot = 12 inches

7 yard x 3 = 21 feet x 12 = 252 inches

2 feet x 12 = 24 inches

Total = 252 + 24 = 276 inches.

The answer is D.

Zigmanuir [339]3 years ago

4 0

Answer:

D.276

Step-by-step explanation:

This is your answer because there are 3 feet in 1 yard and 12 inches in 1 foot. For example, 7 yards times 3 would be 21 so that's 21 feet. 21 feet plus 2 feet is 23 feet. 23 feet times 12 would equal 276 inches. Therefore, your answer is 276 inches.

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The proportion of households in a region that do some or all of their banking on the Internet is 0.31. In a random sample of 100

Alenkasestr [34]

Answer:

Approximate probability that the number of households that use the Internet for banking in a sample of 1000 is less than or equal to 130 is less than 0.0005% .

Step-by-step explanation:

We are given that let X be the number that do some or all of their banking on the Internet.

Also; Mean, $\mu$ = 310/1000 or 0.31 and Standard deviation, $\sigma$ = 14.63/1000 = 0.01463 .

We know that Z = $\frac{X-\mu}{\sigma}$ ~ N(0,1)

Probability that the number of households that use the Internet for banking in a sample of 1000 is less than or equal to 130 is given by P(X <= 130/1000);

P(X <=0.13) = P( $\frac{X-\mu}{\sigma}$ <= $\frac{0.13-0.31}{0.01463}$ ) = P(Z <= -12.303) = P(Z > 12.303)