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lisabon 2012 [21]
2 years ago
5

Write as a product 60 + 6ab - 30b - 12a

Mathematics
1 answer:
Delvig [45]2 years ago
4 0

Answer:

6(a - 5)(b - 2)

Step-by-step explanation:

60 + 6ab - 30b - 12a

Factor out the common term 6:

= 6(10 + ab - 5b - 2a)

Rearrange:

= 6(ab - 2a - 5b + 10)

Factor:

= 6(a - 5)(b - 2)

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Lynn is a zoo keeper at mattock zoo.Her hourly rate is $6.85.she earns $328.80 every week.how many hours does she works in a wee
liubo4ka [24]

Answer:

48 hours

Step-by-step explanation:

you would divide the total by the part (328.80/6.85) and that would give you her hours. hope this helps

8 0
2 years ago
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Pls answer I give brainliest
Nataly [62]

Answer:

20100???

Step-by-step explanation:

Im not sure if thats right but i hope it helps

3 0
3 years ago
A factory makes an oil mixture by mixing oils of grades A and B as follows. For every 2.3 liters of grade A oil, 1.2 liters of g
lozanna [386]
<span>To produce 1000L of mixture the factory will need 657 liters of grade A and 343 liters of grade B. To determine this you have to figure out the percentage of each grade in the mixture. The ratio is 2.3 liters to 1.2 liters. Therefor in this scenario the unit equaling 100% is 3.5 liters. To find the percentage of grade A you divide the amount used by the total amount of the unit 100%: 2.3 divided by 3.5 = .657 (multiply the answer by 100 to get 65.7%). To find the percentage of grade B you divide the amount used by the total amount of the unit 100%: 1.2 divided by 3.5 = .343 (multiply the answer by 100 to get 34.3%) To test your answer make sure both percentages add up to 100%: 65.75 plus 34.35 = 100% To determine how much of grade A and grade B is needed for a set amount of liters you multiply the percentage by the liters needed. For this situation you multiply 65.7% (when multiplying percentages you need to multiply in decimal form). For grade A you multiply .657 (65.7%) by 1000 liters = 657 liters For grade B you multiply .343 (34.3%) by 1000 liters = 343 liters To test your answer you can use the same addition as you did to test the percentages: 657 liters plus 343 liters = 1000 liters</span>
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3 years ago
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the perimeter of a rectangle is 70 inches. the length of a rectangle is 5 less than 3 times its width. what is the witdth of the
Virty [35]

Answer:

The width is 10 inches

Step-by-step explanation:

Perimeter = 2(Length + Breadth)

Length(L) = 3B + 5

Perimeter = 70

70 = 2(3B + 5)

70 = 6B + 10

70 - 10 = 6B

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4 0
3 years ago
Find x and explain please
pav-90 [236]

Answer:


Step-by-step explanation:

1) isosceles= two sides are congruent

2) 9x-13=4x+2

-4x

5x-13=2

+13

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X=3

Answer is c


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3 years ago
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