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olga_2 [115]
3 years ago
13

A department store sold 34 shirts one day. All short-sleeved shirts cost $11.00 each and all long-sleeved shirts cost $21.00 eac

h. Total receipts for the day were $514.00. How many of each kind of shirt were sold?
Mathematics
1 answer:
ANEK [815]3 years ago
5 0
S + l. = 34
11s + 21l= 514

-11s - 11l= -374
11s + 21l = 514

10l = 140

l = 20 long sleeve shirts

s + 20 = 34

s = 14 short sleet shirts
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In a river, a trout passed beneath a woman who was swimming at 1,800 centimeters per minute. The trout swam 8,000centimeters dir
storchak [24]

Answer:

It would approximately be 3.73 m/h

Step-by-step explanation:

0.8 mins is 48 seconds

I then divided 8000 by 48 seconds to see how many cm it traveled per second.

It traveled 166.666666667 cm per second

I then converted cm to feet

so it was 5.468066491699474 feet per second

I then converted feet to miles, so it was 0.0010356186537309611598 miles per second.

Then I multiplied it by 60 so it was 0.06213711922 miles per minute.

Finally I multiplied it by 60 again to make it 3.72822715343 miles per hour.

I rounded it to the nearest hundredth making it 3.73 m/h

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2 years ago
Lucy rents a bike from a store where they rent bikes for $12 plus $3 per hour. If Lucy spend $30, how many hours (h) did she ren
SVEN [57.7K]

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6 hours

Step-by-step explanation:

30-12=18

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3 years ago
Identify the function shown in this graph. AN -5 4 3 2 1 o A. y = 3x - 2 B. y = 3x + 2 C. y = -3x - 2 D. y = 3x - 2
lara [203]

Slope intercept form:

y=mx+b

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m= slope ( y variation/ x variation)

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By looking at the graph we can see that the line crosses the y-axis at -2.

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3 0
1 year ago
Could I get some help please?
slega [8]
Area of a Trapezoid can be defined by:
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8.1 = .5( b_{1} +6.7)(1.5)
8.1 = .75(b₁ + 6.7)
8.1 = .75b₁ + 5.025
8.1 - 5.025 = .75b₁
3.075 = .75b₁
\frac{3.075}{.75} = b_{1}
4.1 = b₁
the other base is equal to 4.1
7 0
3 years ago
PLS HELP ASAP ITS IN 8 MINUTES ILL GIVE BRAINLKEST I PROMISW THANK YOU
inn [45]

Answer:

C

Step-by-step explanation:

The best way to solve this is to transfer -217 to the other side. So add 217 to both sides

0 ≤ 7 + 217 - 28v                   Combine

0 ≤ 224 - 28v                        Now add 28v to both sides

28v ≤ 224                             Divide by 28

28v/28≤224/28

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You should have 2 questions on your mind.

  1. Why go to all the trouble of putting things on the opposite sides?
  2. What is the answer

1. You so all that trouble so that you don't have to switch the < to >. As long as you have the letter and its coefficient > 0, then you are going to be right.

2. The is v is less than or equal to 8.  That's C

5 0
2 years ago
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