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3 years ago

Rupesh is mowing grass to save money for a vacation. He charges $12 per yard. Rupesh already has $40 and wants

Mathematics

1 answer:

erik [133]3 years ago

6 0

Answer:

Step-by-step explanation:

1. has 40 dollars do 148-40

2.He needs 108

3.108/12

SOLVED YOU GET 9

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In order for the parallelogram to be a rhombus, x = [?]. (5x + 25) (12x + 11)

LiRa [457]

A parallelogram is also a rhombus if the diagonal is a bisector of an angle enclosed by the two adjacent sides of a parallelogram.

In our case it means,

$5x+25=12x+11$

$7x=14\implies x=\boxed{2}$

Hope this helps.

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3 years ago

Mrs Ruiz needs to put 0.25 oz of water into each cup for a science experiment. How many cups can she fill with a 24 oz bottle of

balu736 [363]

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3 years ago

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Use the given values of n and p to find the minimum usual value μ−2σ and the maximum usual value μ+2σ. Round to the nearest hund

lbvjy [14]

Answer:

μ−2σ = 1,089.26

μ+2σ = 1,097.62

Step-by-step explanation:

The standard deviation of a sample of size 'n' and proportion 'p' is:

$\sigma=\sqrt{\frac{p*(1-p)}{n} }$

If n=1139 and p =0.96, the standard deviation is:

$\sigma=\sqrt{\frac{p*(1-p)}{n}}\\\sigma = 0.001836$

The minimum and maximum usual values are:

$\mu-2\sigma = (p-2\sigma)*n\\\mu+2\sigma = (p+2\sigma)*n$

$\mu-2\sigma = (0.96-2*0.001836)*1139\\\mu-2\sigma = 1,089.26\\\mu+2\sigma = (0.96+2*0.001836)*1139\\\mu+2\sigma = 1,097.62$

5 0

3 years ago

HELP PLEASE ASAP

kondaur [170]

Answer: D. $3,450
Given: 2,500 shares of a stock bought for $8 a share
Probabilities: the stock will rise to a value of $32 a share is 22% the stock will fall to $3 a share is 78%
Question: What is the expected value of the investor’s profit from buying the stock?
Solution: (22%(32-8)-78%(8-3))2500
(.22(24)-.78(5))2500
(5.28-3.9)2500
(1.38)2500
3450

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3 years ago

Find the total surface area of the rectangular prism 7.1 2.8 3.2

krek1111 [17]

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Step-by-step explanation:

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3 years ago