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saul85 [17]
2 years ago
14

A furniture shop refinishes chairs. Employees use one of two methods to refinish each chair. method one takes 0.5 hours and the

material costs $10. method two takes 1.5 hours and the material costs $5. next week they plan to spend 53 hours in labor and $560 dollars in material for refurnishing chairs. How many chairs should they plan to refinish with each method?
Mathematics
1 answer:
Andrej [43]2 years ago
3 0
You could make 58 tables using method 1 and 20 tables using method 2. Please let me know if you need an explanation on this. ;-)
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The length of a rectangle is 20 units more than its width. The area of the rectangle is x4−100.
Mice21 [21]

Answer:

1. x^2-10 because the area expression can be rewritten as (x^2-10)(x^2+10)which equals (x^2-10)((x^2-10)+20).

Step-by-step explanation:

Area of the rectangle =(x^4-100)

x^4-100=(x^2)^2-10^2\\$Applying difference of two squares: a^2-b^2=(a-b)(a+b)\\(x^2)^2-10^2=(x^2-10)(x^2+10)

Since the length of a rectangle is 20 units more than its width.

Width: x^2-10\\Length=x^2+10=x^2-10+20

The correct option is therefore 1.

4 0
2 years ago
Read 2 more answers
Which expression is equivalent to (4 + 7i)(3 + 4i)? –16 + 37i 12 – 28i 16 – 37i 37 + 16i
ASHA 777 [7]

Answer:

The equivalent expression is \Rightarrow -16+37i    

A is correct

Step-by-step explanation:

 We are given two complex number and need to multiply it. To find equivalent fraction.

(4+7i)(3+4i)

Using Binomial product property: (a+b)(c+d)=ab+ad+bc+bd

\Rightarrow (4+7i)(3+4i)

\Rightarrow 4(3)+4(4i)+7i(3)+7i(4i)

\Rightarrow 12+16i+21i+28i^2

Combine the like term and simplify

\Rightarrow 12-28+37i           \because \ \ i^2=-1

\Rightarrow -16+37i    

Hence, The equivalent expression is \Rightarrow -16+37i    

4 0
2 years ago
Read 2 more answers
Asha runs 5 meters every 2 seconds. How far does asha run after 3 seconds? After 5 seconds?
Brilliant_brown [7]

Answer:

2 1/2

Step-by-step explanation:

7 0
1 year ago
Read 2 more answers
As part of Kayla's exercise program,she either runs 6miles/day or rides her bike 10 miles/day.Her new goal is to cover a minimum
poizon [28]
6(15) + 10b > = 200
90 + 10b > = 200
10b > = 200 - 90
10b > = 110
b > = 110/10
b > = 11

so she can do 15 days of running plus 11 days of biking....which totals 26 days

8 0
2 years ago
Jarvis works in a garage £6 an hour. If he works on Saturday, he is paid time and a quarter. If he works on Sunday, he is paid t
ruslelena [56]

Answer: He is paid $90 last weekend.

Step-by-step explanation:

Since we have given that

Amount he earns per hour = $6

If he works on Saturday, he is paid time and a quarter .

Amount would be

6\times 1.25=\$7.5

If he works on Sunday, he is paid time and a half.

Amount would be

6\times 1.5=\$9

Number of hours he worked on Saturday = 6 hours

Number of hours he worked on Sunday = 5 hours

So, Total amount he is paid last weekend altogether is given by

6\times 7.5+5\times 9\\\\=\$90

Hence, he is paid $90 last weekend.

4 0
2 years ago
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