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Vinvika [58]
3 years ago
7

Jordan has $10.00. If each drawing pen costs $1.49, how many can he buy?

Mathematics
2 answers:
ElenaW [278]3 years ago
8 0
1 pen = 1.49   2 pens = 2.98   3 pens = 4.47    4 pens = 5.96   5 pens = 7.45  6 pens = 8.94 and 7 pens =10.43.  So because Jordan only has $10, she/he can but 6 pens and have 1.06 left. Hope this helped.:)
Flura [38]3 years ago
8 0
10/1.449 = 6.902311249 
<span>HOWEVER it is hard to buy .902311249 of a drawing pen </span>
<span>so </span>
<span>he gets 6 for $8.694 </span>
<span>and </span>
<span>1.306 in change </span>
<span>but the cashier has trouble with that 30.6 pennies so is really nice and gives him </span>
<span>$1.31 in Change</span>
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I need help show work<br> ill mark brainliest​
Archy [21]

Answer:

The population will be 896 turtles 6 years later ⇒ B

Step-by-step explanation:

The exponential increasing formula is y = a(1+r)^{x}, where

  • y is the new value
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  • r is the rate of increase in decimal
  • x is the time in years

∵ There are 300 turtles

∴ a = 300

∵ The population of the turtles exponentially increases 20% each year

∴ r = 20%

→ Divide it by 100 to change it to decimal

∵ 20% = 20 ÷ 100 = 0.2

∴ r = 0.2

∵ The time is 6 years

∴ x = 6

→ Substitute these values in the exponential formula above

∵ y = 300(1+0.2)^{6}

∴ y = 300(1.2)^{6}

∴ y = 895.7952

→ Round it to the nearest whole number

∴ y = 896

∴ The population will be 896 turtles 6 years later

7 0
3 years ago
Ne total land area of the United States is about 3,483,511 square miles more than
Vlad1618 [11]

Answer:

3,537,438 square miles of total land area in the U.S.

Step-by-step explanation:

3,483,511 + 53,927 = U.S.

3,537,438 square miles of total land area in the U.S.

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3 years ago
Which of these expressionis is <br> equivalent to x^4-5x+3/x^2+7
bonufazy [111]

Next time, please list the possible answer choices.  Without them, all I can do is to attempt this problem without having those choices as guidelines.


I must assume that your expression x^4-5x+3/x^2+7 actually meant:

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x^4  -  ---------------

             x^2 + 7

and I assume that this result was one of the several possible answer choices.

6 0
3 years ago
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ozzi
The value of x is 10

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3 years ago
5. A deck should have a perimeter of 90 feet and a minimum area
Ket [755]

Answer:

The minimum value of the width is 15 ft and the maximum value of the width is 30 ft

Step-by-step explanation:

Let

x -----> the length of the deck

y ----> the width of the deck

we know that

The perimeter of the deck is equal to

P=2(x+y)

P=90\ ft

so

90=2(x+y)

45=(x+y)

x=45-y -----> equation A

The area is equal to

xy\geq 450 -----> inequality B  

(45-y)y\geq 450\\ \\-y^{2} +45y-450\geq 0

Solve the quadratic equation by graphing

The possible width of the deck are the values of y in the interval

[15,30]

All real numbers greater than or equal to 15 ft and less than or equal to 30 ft

see the attached figure

The minimum value of the width is 15 ft and the maximum value of the width is 30 ft

7 0
3 years ago
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