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OlgaM077 [116]
3 years ago
8

9) Carla's credit card statement showed that she owed $350. She

Mathematics
2 answers:
Ad libitum [116K]3 years ago
5 0

Answer:

the answer is -153

Step-by-step explanation:

350-200(she paid off 200$)=150

150+23(she charged her account 23$)=173

173-35(she paid off 35$)=138

138+15(she charged her account 15$)=135

her new balance is -153$ because that is how much she has left to pay off before she reaches 0 then she can gain credit.

Angelina_Jolie [31]3 years ago
3 0

Answer:

$147

Step-by-step explanation:

It is $147 because she started with $350 then she lost $200, so that would be $150 now, then she lost $23, which she is now at 127 dollars, then she returned her book for $35 and now has 162 dollars, then she loses $15 dollars and is left with $147.

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Which side of triangle DEF is shortest?​
Stells [14]

Answer:

It would be the side opposite the smallest angle.

Side DE (which is opposite angle F) is the shortest.

Step-by-step explanation:

4 0
3 years ago
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A construction worker fills a mold with concrete. This solid figure represents the mold.
allochka39001 [22]

Answer:

6580cm

Step-by-step explanation:

The answer is 6580cm because....

  • Step one First let's figure out what the smaller shape's volume is. To do so we need to multiply ( LxWxH ) so 6x5x? it does not list what the height is so we know it has the same height as the larger shape and it's height is 14cm so we will use 14cm. 6x5x14=420cm
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3 0
3 years ago
Which expressions go in which box?
almond37 [142]
To qualify as a polynomial, the expression in question:
* Consists of one or more terms 
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In that case the answer is most likely:

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3 years ago
MIKE NEEDS AT LEAST $100 TO BUY A NEW SUIT FOR THE DANCE.
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Answer:

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A goat enclosure is in the shape of a right triangle. One leg of the enclosure is built against the side of the barn. The other
Sonbull [250]

Answer:

The lengths are

8 + 8[root]3 , 12 + 8[root]3 and 20 + 8[root]3.

Step-by-step explanation:

Let the side against the barn be xft

We were told that the adjacent side is 4ft more than the side against the barn. This means it has a length of (x + 4)ft.

Lastly, we are told that the hypotenuse is 8ft longer than the side along the barn I.e (x + 4 + 8)ft = ( x + 12)ft.

Since the three lengths form a triangle, the square of the hypotenuse equals the square of the adjacent side plus the square of the opposite side. This is the pythagoras' theorem.

Mathematically, this can be written as follows:

(x + 12)^2 = x^2 + (x + 4)^2

This yields x^2 + 24x + 144 = x^2 + x^2 + 8x + 16

x^2 + 24x + 144 = 2x^2 + 8x + 16

Rearranging this will yield:

x^2 - 16x - 128 = 0

Using the quadratic formula yields the following values for x :

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Since the first is negative, we discard it and the only correct value of x is 8 + 8[root]3

Now the other length is 12 + 8[root]3 and 20 + 8[root]3.

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3 years ago
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