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Veseljchak [2.6K]
4 years ago
11

Manny finds a box of 350 postcards.He selects a random sample of 75 postcards and finds that 27 already have stamp on them. Pred

ict the total number of postcard in the box with stamps on them
Mathematics
1 answer:
Whitepunk [10]4 years ago
5 0

Answer:

126

Step-by-step explanatidivide 350 by 75 then multiply the answer by 27 and you get the answer that method works with most questions like this please give brainliest

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To determine the effect their salespersons have on purchases, a department store polled 700 shoppers regarding whether or not th
Soloha48 [4]

Answer:

a) p = 352/700 = 0.5029

b) p = 348/700 = 0.4971

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

There are 700 shoppers.

151 + 201 = 352 were happy with the service received.

133 + 215 = 348 were not happy with the service received.

(a) A shopper was happy with the service received.

352 happy out of 700

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(b) A shopper was unhappy with the service received.

348 unhappy out of 700

p = 348/700 = 0.4971

5 0
4 years ago
Mark is building a custom wooden frame around his flower bed. The length of the frame is 5.45 feet and the width of the frame is
OleMash [197]
A = lw
A = 5.45 × 3.275
A = 17.84875

The area of the frame (without rounding) is 17.84875.
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4 years ago
If f(x) = 5x-25 and G(x) = 1/5x +5, which expression could be used to verity g(x) is the inverse of f(x)
adell [148]

Answer: Hello! I'm Jungkook. Here is your answer.....

The expression could be used to verify g(x) is the inverse of f(x) is letter b which is 1/5(5x-25)+5

Step-by-step explanation:

Hope this helps! Anneyong/Bye!

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3 0
2 years ago
Peter has 360 yards of fencing to enclose a rectangular area. Find the dimensions of the rectangle that maximize the enclosed ar
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The largest area would be a square with sides 360/4, or 90 yds. each. The area would be 90x90, or 8100 yds². ☺☺☺☺
3 0
3 years ago
Name the property of equation 8 x 1/8=1​
tatiyna

Answer:

Inverse property of multiplication

Step-by-step explanation:

7 0
4 years ago
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