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Margaret [11]
3 years ago
12

I need help with this

Mathematics
1 answer:
Allisa [31]3 years ago
8 0

Answer:

d

Step-by-step explanation:

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F(t)=30(0.97)∧t <br><br> = rate of change
Vedmedyk [2.9K]
<span>Hey there, Lets solve this together.  

</span>F(t)=30(0.97)^t 

A = (p+r)^t  

<span>The variable (R) will be representing the rate as a decimal. 

When you solve for (R) multiply by 100 to get the percentage. A percentage is </span><span>a rate, number, or amount in each hundred. 

</span><span>"0.97" will be replaced by "(97/100)"
</span>
<span>Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the given equation  
</span>
Ft-((30))97/100) * t) = 0 

Rewrite the whole as a fraction using  10 <span> as the denominator : 
</span>
ft = ft/1 = ft * 10/10 

The equation now takes the shape :
   t  •  (10f-291)<span>  = 0
</span>
<span><span> f = 291/10 = 29.100

</span> t = 0</span>


<span>Positive = Growth 

Negative = Decay  
</span><span>
</span>1 + r = .97 
<span>
</span>r = -0.03 <span> 
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<span>

</span>
5 0
3 years ago
A rectangular field has dimension of 91 feet by 60 and 1/3 feet what is the area of the field
Oliga [24]

Answer:

Area = 91*\frac{181}{3}=5490\frac{1}{3} square feet

Step-by-step explanation:

The area of a rectangle is given by the formula:

A = length * width

Where length is 91 feet and width is 60\frac{1}{3}  feet

Before we do the multiplication, we have to change the mixed number [width] into an improper fraction by using the rule shown below:

a\frac{b}{c}=\frac{(a*c)+b}{c}

Hence,

60\frac{1}{3}=\frac{181}{3}

So, the area is:

Area = 91*\frac{181}{3}=5490\frac{1}{3} square feet

8 0
4 years ago
How to classify this conic ecwation 4x^2+9y^2-54y-63=0
MArishka [77]
This looks like an ellipse.
Complete the square for y: 9(y²-6y-7)=9(y²-6y+9-9-7)=9((y-3)²-16).
Rewrite the equation:
4x²+9(y-3)²-144=0; 4x²/144+9(y-3)²/144=1; x²/36+(y-3)²/16=1.
Standard equation of an ellipse is (x-h)²/a²+(y-k)²/b²=1, where (h,k) is the origin or centre.
This is the equation of an ellipse with centre (0,3), a=6 and b=4 (semimajor and semiminor axes).
6 0
4 years ago
Round 33.75 to the nearest tenth
Aleonysh [2.5K]
33.80 is the answer.
since the tenth is 7, you round up instead of down.
Hope I helped!
8 0
3 years ago
Read 2 more answers
M is the midpoint of XY. XM=10w+2 and MY=5w+22<br> WHAT IS XY??
Harlamova29_29 [7]

Answer:

15w+24

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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