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Aleonysh [2.5K]
3 years ago
13

The price of an item has been reduced by 55%. The original price was $20. What is the price of the item now?

Mathematics
1 answer:
const2013 [10]3 years ago
4 0

Answer:

answer 9

Step-by-step explanation:

if subtract 20$ by 55% you get 9

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A student needs to make a square cardboard piece. The cardboard should have a perimeter equal to at least 92 inches. The functio
saveliy_v [14]

Answer: d. s ≥ 23


Step-by-step explanation:

Let s be the side of the square.

We know that the perimeter of a square =4s

Let f(s)=4s

If the cardboard should have a perimeter equal to at least 92 inches, the inequality would look like

4s\geq 92

Divide both sides by 4, we get

s\geq\frac{92}{4}\\\Rightarrow\ s\geq23

Thus, d. is the right answer. The reasonable domain of f(s) is s\geq23


7 0
3 years ago
5. Expla in why 4 is or is not a multiplicative inverse mod 10 of 7.
AnnZ [28]

Answer:

  4 is not. (3 is)

Step-by-step explanation:

A number is the multiplicative inverse of 7 (mod 10) if the product mod 10 is 1.

7 × 4 mod 10 = 28 mod 10 = 8 . . . . not 1

5 0
2 years ago
Suppose f(x)=2^x. What is the graph of g(x)=1/3f(x)?
svetlana [45]

Please see the <em>blue</em> curve of the image attached below to know the graph of the function g(x) = (1/3) · 2ˣ.

<h3>How to graph a transformed function</h3>

Herein we have an <em>original</em> function f(x). The <em>transformed</em> function g(x) is the result of <em>compressing</em> f(x) by 1/3. Then, we find that g(x) = (1/3) · 2ˣ. Lastly, we graph both function on a <em>Cartesian</em> plane with the help of a <em>graphing</em> tool.

The result is attached below. Please notice that the <em>original</em> function f(x) is represented by the red curve, while the <em>transformed</em> function g(x) is represented by the blue curve.

To learn more on functions: brainly.com/question/12431044

#SPJ1

5 0
1 year ago
What is the area of this figure?<br><br> Enter your answer in the box.<br><br> in²,
pantera1 [17]

Answer:

400 in²

Step-by-step explanation:

(20×16) + (½×8×20)

320 + 80 = 400 in²

8 0
3 years ago
Please help me with this :) i give 25 points .
nadezda [96]

Answer:

Step-by-step explanation: you brine is smart use it

7 0
3 years ago
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