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brilliants [131]
3 years ago
15

Given the following exponential function, identify whether the change represents growth or decay, and determine the percentage r

ate of increase or decrease.
y=490(0.92)^x
Mathematics
1 answer:
GREYUIT [131]3 years ago
7 0

Answer:

  • Decay
  • Decrease rate is 8%

Step-by-step explanation:

<u>Given function:</u>

  • y = 490(0.92)^x

The base of the exponent is 0.92. This represents a decay as 0.92 is less than 1. It would be a growth function is the base was greater than 1.

<u>The rate of decrease is </u>

  • 0.92 times

<u>Percent decrease is </u>

  • (1 - 0.92)*100% = 8%
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How many 1/3 inch are in 3/4 inch?
AnnZ [28]

Answer:

2, 1/3 inches in 3/4

basically you multiply the denominator to match the other problem so 1/3 becomes 4/12 and 3/4 becomes 9/12

so there are 2 1/3 inches in 3/4, this is a sort of rough explanation I reccomend going on Khan Academy and looking for something to help you there

3 0
3 years ago
Hi, please answer with proof how you got this answer.
Orlov [11]

Answer: you would do lxw and W=5 and L=2 so what u would do it 5x2=10 so your answer is 10

5 0
3 years ago
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Solid: A square pyramid. The square base has side lengths of 5. The 4 triangular sides have a base of 5 and height of 7. What is
lina2011 [118]

Answer:

95 square units

Step-by-step explanation:

Surface area of pyramid = 4(side area) + base

Solve for the base first.

Area of base = s*s = 5*5 = 25

Next solve for one of the sides.

Area of triangle = 1/2 b*h = 1/2 5*7 = 17.5

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Surface area of pyramid = 4(17.5) + 25

Surface area of pyramid = 70 + 25 = 95 square units

4 0
3 years ago
Read 2 more answers
What is -4-(-12)? I don't know if you add them or subtract.
algol [13]
You subtract negative 4 and negative 12...think in a number line and you find negative 4 and then you decrease( which means you move to your left of the number line) and find negative 12 and then you count the spaces you took to get to negative 12
7 0
3 years ago
Multiply. The question is in the picture.
Burka [1]

15a^3b^4c^5----> answer B

you can only multiple like terms so

(5x3)= 15

now just add  

a+a^2= a^3

b + b^3 = b^4

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7 0
3 years ago
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