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Kaylis [27]
2 years ago
13

Withdrawing $10 every week from an outstanding balance of $400

Mathematics
2 answers:
SSSSS [86.1K]2 years ago
4 0
400-10x. X is how many weeks
miskamm [114]2 years ago
3 0

Answer:

400-10w.

Step-by-step explanation:

Let w represent the number of weeks.

We are supposed to write an expression for the given word phrase.

Since the with-drawl amount is $10 per week, so amount withdrawn in w weeks would be 10w.

The amount left after w weeks would be $400 minus 10w.

Therefore, our required expression would be 400-10w.

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Answer:

-x+5

Step-by-step explanation:

5-5x+4x

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combine like terms:

5+(-5x)+4x

(-5x+4x)+(5)

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2 years ago
A kite has a height of 36 inches and a width of 30 inches. Explain how to use the area formula for a triangle to find the area o
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Height of the kite is = 36 inches.

Width of the kite is = 30 inches

One of the ways to find the area is to draw a vertical line to break the kite into two equal triangles. Mark the base as 36 inches and height as 15 inches .

Now we will use the formula area=\frac{1}{2}*base*height to find the area of each triangle. Then we will add both the areas to find the area of the kite.

Area of 1 triangle = \frac{1}{2}*36*15 = 270 square inches

Area of the 2nd triangle is also = 270 square inches

Hence, area of the kite = 270+270 = 540 square inches

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alex41 [277]

Answer:

Linear functions

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

In the graph, there is a cycle of increasing and decreasing. First, the original circle increases by 25% into the new, larger circle. Then, the circle does back to its original size. So, to solve we can assign a value to the smaller circle, increase it by 25%, and then find what percentage brings this back to the original value.

It is easiest to assign the value of 100 because it is easy to work with. So, let's say the smaller circle is 100; this increased by 25% is 125. The next step is to find what percentage of 125 brings us back to 100. There are multiple ways to do this such as guess and check or proportions/fractions. Either way, the correct percentage is 20%. If you decrease 125 by 20% you get the correct value of 100. This means that the missing number must be 20%.

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I can help you via Watsapp

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