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erik [133]
3 years ago
5

0.06x + 0.08 (1400 - x) = 100

Mathematics
1 answer:
german3 years ago
5 0

Answer:

x=600

Step-by-step explanation:

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Please help @Nopinkiepie and @Oretummy
zubka84 [21]
Easy peasy
the fastest way is to pretend we have 1 big rectangle with  2 smaller rectangles cut out
see attachment

the big one is 12 by 7
the smaller ones are 5 by6 and 5 by 6

big-smaller=area
big=12*7=84
smaller=5*6+5*6=30+30=60

big-smaller=84-60=24


answer is 24 in²

first choice

3 0
3 years ago
Daisies first summer job was working behind the counter at Dairy Queen he earned double time for any hours worked over 40 in a g
FrozenT [24]

Answer: the standard hourly pay is $3.05

Step-by-step explanation:

Let x represent the standard hourly pay that he gets for the first 40 hours.

Therefore, the total amount that he gets for the first 40 hours of work in a given week is 40x.

At Dairy Queen, he earned double time for any hours worked over 40 in a given week. This means that the hourly rate is 2x

If during one week, he worked 51 hours, it means that the overtime is 51 - 40 = 11 hours

Total amount earned for overtime is

11 × 2x = 22x

If the total amount that he earned for the week is $189.10, then

40x + 22x = 189.1

62x = 189.1

x = 189.1/62 = 3.05

8 0
4 years ago
For how many integral values of n are the numbers 2n, 3n and 10 - n the lengths of the sides of an obtuse triangle?
zlopas [31]

Answer:

1 inch is 5 miles

Step-by-step explanation:

6 0
3 years ago
Survey math help please
marishachu [46]
75 females own a blue car out of 300 people. 75/300 x 100 = 25%
4 0
3 years ago
Read 2 more answers
Which expression is equal to (−4x2−1)(2x2+3)?
Leya [2.2K]

Answer:

The first one:

−8x4−14x2−3

Step-by-step explanation:

(-4•2-1)(2•2+3)

-4•2 = -8

-8 - 1 = -9

(-9)(2•2+3)

2•2 = 4

4+3 = 7

(-9)(7) = -63

Now we find the one that equals -63:

-8•4-14•2-3

(-8•4)-14•2-3

-32-14•2-3

-32-(14•2)-3

-32-28-3

(-32-28)-3

-60-3

-60-3 = -63

BAM! THE ANSWER!

7 0
3 years ago
Read 2 more answers
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