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levacccp [35]
4 years ago
5

Help me withb this qustion

Mathematics
2 answers:
77julia77 [94]4 years ago
6 0

Answer:

the first plank is 0.5. the second plank is less. the third plank is used. hope this works.

Gnoma [55]4 years ago
4 0

Answer:

Abigail has 0.5 liters of milk left. This is less than the amount she used. So, the amount she used is greater.

Step-by-step explanation:

1.4

- .9

_____

0.5

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Mnenie [13.5K]
3x^2-7x+15x-35
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3 years ago
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a cylinder water tank carries a volume of 150L when it is full. The water tank has a base surface with a diameter of 140 cm. wha
REY [17]

Answer:

9.74418019cm=h

~ 9.7442

Step-by-step explanation:

volume of a cylinder=πr²h

radius=½of diameter

=½×140cm

=70cm

1l=1000cm³

150l=150l/1l×1000cm³

=150000cm³

150000cm³=π(70cm)²×h

150000cm³=15393.8040cm²h

150000cm³/15393.8040cm²=15393.8040cm²h/15393.8040cm²

150000cm³/15393.8040cm²=h

9.74418019cm=h

7 0
3 years ago
A store adverstises buy one item at full price and take 1/2 off the cost of a second item. Steve buys one item with a price tag
Nitella [24]

Answer:

(D) 20%

Step-by-step explanation:

The original price of the two items = $60 + $40 = $100

The discounted price of the two items = $60 + ($40 x 0.5) = $60 + $20 = $80

To find the percent discount he received off his total purchase, we need to divide the difference between the original price and the discounted price by the original price.

$100 - $80 = $20

$20 ÷ $100 = 0.2

0.2 = 20%

~Hope this Helps!~

7 0
4 years ago
A circle has center O(5, −1) and radius 5. Which of the following points is on the circle?
Xelga [282]

Answer:

The correct answer is the first one listed.

Step-by-step explanation:

First you have to determine what the equation for that circle is.  The standard form of a circle is

(x-h)^2+(y-k)^2=r^2 where h and k are the coordinates of the center and the radius is squared.  Using the given info, our equation will look like this:

(x-5)^2+(y+1)^2=25

Now we use the coordinates given and plug in 2 for x and 3 for y and do the math and see if the 2 sides are equal.

(2-5)^2+(3+1)^2=25

and 9 + 16 = 25, right?  So that's how you can check the other coordinate pairs to verify that they DON'T work out!

7 0
4 years ago
Diverges help needed please.
lesya692 [45]
Ask so you can get some help
5 0
3 years ago
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