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4 years ago

Which statement about the ordered pairs ( - 9, 3 ) and ( 2, 4 ) is true for the equation.

Mathematics

2 answers:

gogolik [260]4 years ago

8 0

Answer:

Neither

Step-by-step explanation:

Serjik [45]4 years ago

6 0

Neither ordered pairs is a solution to the equation

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Two chicken coops are to be built adjacent to one another from 168 ft of fencing. What dimensions should be used to maximize the

Cerrena [4.2K]

Answer:

21 ft by 28 ft

Step-by-step explanation:

To maximize the area, see the attached.

Perimeter will be 4l+3w which is equal to the fencing perimeter, given as 168

4l+3w=168

Making l the subject then

4l=168-3w

l=42-¾w

Area of individual land will be lw and substituting l with l=42-¾w

Then

A=lw=(42-¾w)w=42w-¾w²

A=42w-¾w²

Getting the first derivative of the above with respect to w rhen

42-w6/4=0

w6/4=42

w=42*4/6=28

Since

l=42-¾w=42-¾(28)=21

Therefore, maximum dimensions are 21 for l and 28 for w

4 0

3 years ago

A company purchased a delivery van for $28,000 with a salvage value of $3,000 on September 1, Year 1. It has an estimated useful

Tems11 [23]

Answer:

Depreciation till December 31, Year 1 will be equal to 1,250$

Step-by-step explanation:

Purchasing Cost = 28,000$

Salvage Value = 3,000$

Total Depreciation:

Total Depreciation over 5 years (60 Months) = Purchasing Cost - Salvage Value

Total Depreciation over 5 years (60 Months) = 28,000 - 3,000

Total Depreciation over 5 years (60 Months) = 25,000$

Monthly Depreciation:

Using the unity method we have monthly depreciation by dividing the total depreciation by the total no. of months as below:

Total Depreciation over a single month =25,000/60

Total Depreciation over a single month = 416.67$ (Monthly Depreciation)

Depreciation till December 31, Year 1

As from September 1, Year 1 to December 31, Year 1, its been 3 months therefore total depreciation will be = 3 * Monthly Depreciation

Depreciation till December 31, Year 1 = 3 * 416.67

Depreciation till December 31, Year 1 = 1,250$

4 0

3 years ago

By what percent will a fraction decrease if its numerator is decreased by 85% and its denominator is decreased by 25%??

belka [17]

Answer:

106.67%

Step-by-step explanation:

85% as a fraction is 4/5

25% as a fraction is 3/4

Convert 16/15 to a decimal: 1.067

Multiply: 1.067 · 100= 106.67%

4 0

4 years ago

Sofia's grandfather has 18 sacks of candies. There are 348 pieces in each sack of candies. How many candies does Sofia's grandfa

sleet_krkn [62]

Answer:

18 x 348 = 6,264.

Sofia's grandfather has 6,264 candies in total.

5 0

3 years ago

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emmasim [6.3K]

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