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zalisa [80]
3 years ago
11

Eighty percent of a number.?as a alegrabatic expression.

Mathematics
1 answer:
Andrews [41]3 years ago
6 0

Answer:

\frac{4}{5} x

or

0.8x

Step-by-step explanation:

80\% \: of \: x =  \frac{80}{100}x \\  \frac{80}{100}  x =  \frac{8}{10}x =  \frac{4}{5}  x = 0.8x

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What is range of 34,56,13,98, and 75?<br><br> A) 23<br><br> B) 85 <br><br> C) 56 <br><br> D) 55.2
GenaCL600 [577]

Answer: B; 85


Step-by-step explanation

hope it help

6 0
2 years ago
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At the start of the recovery period, the waterbuck population contained only 140 individuals. The population had 0.67 births per
Sergio [31]

Answer:

the intrinsic growth rate of the population = 0.67 - 0.06 = 0.61 or 61%

Step-by-step explanation:

since populations increase exponentially, the same will happen here

in 5 years the population should be:

P₅ = P₀e°⁶¹ˣ⁵ = 140e°⁶¹ˣ⁵ = 2,956.15 ≈ 2,956

in 10 years the population will be:

P₁₀ = P₀e°⁶¹ˣ¹⁰ = 140e°⁶¹ˣ¹⁰ = 62,420.09 ≈ 62,420

when you are using exponential growth rates, we have to assume that r will always remain constant

6 0
3 years ago
Whoever answers my question will get a brainliest.
Maurinko [17]

Answer:

see explanation

Step-by-step explanation:

Calculate the distance d using the distance formula

d = \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2    }

with (x₁, y₁ ) = ((- 2, - 3 ) and (x₂, y₂ ) = (x, 5x + 9 )

d = \sqrt{(x-(-2))^2+(5x+9-(-3))^2}

   = \sqrt{(x+2)^2+(5x+9+3)^2}

   = \sqrt{(x+2)^2+(5x+12)^2}

4 0
2 years ago
Na
Bumek [7]

Answer:

6,874.70

Step-by-step explanation:

You are going to want to use the compound interest formula, which is shown below.

P(1+\frac{r}{n} )^{nt}

<em>P = initial balance </em>

<em>r = interest rate </em>

<em>n = number of times compounded annually </em>

<em>t = time </em>

Now lets plug in the values into the equation.

5,000(1+\frac{0.04}{4})^{8(4)} = 6,874.70

Your answer is 6,874.70.

8 0
3 years ago
PLEASE HELP WITH ALL!! I WILL MARK BRAINLIEST!!!
irina [24]

Answer:

1. He must get a 92 average

2. 5 to 8 or 5:8

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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