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ale4655 [162]
3 years ago
11

Use the magic penny parable to determine how much money you would have after 8 days.

Mathematics
1 answer:
Anit [1.1K]3 years ago
3 0

Use the formula T(x) = 0.01x2^x

X is the number of days.

T(8) = 0.01 x 2^8

T(8) = 0.01 x 256

T(8) = $2.56

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vanessa invested $2,500 into an account that will increase in value by 3.5% each year. Write an exponential function to model th
astraxan [27]

Answer: (i) A = 2500 ((1.035)^{n}

(ii) A =$ 4,974.47

Step-by-step explanation:'

The exponential function is given as :

A = P(1+r)^{n}

Where :

A = amount

P = principal

r = rate %

n = number of years

substituting , the exponential function to model the situation becomes

A = 2500 ((1.035)^{n}

(ii) when n = 20 , the Amount becomes

A = 2500((1.035)^{20}

A =$ 4,974.47

4 0
3 years ago
Pairs of markings a set distance apart are made on highways so that police can detect drivers exceeding the speed limit. Over a
JulijaS [17]

Answer:

Speed of car is 78 mph which travels the distance in 6 seconds.

Step-by-step explanation:

Given:

Speed of the car R = 52 mph

Time t = 9 seconds

We need to find the speed of a car that travels the given distance in 6 seconds.

Now first we will find the distance traveled by the car in 9 seconds.

Distance can be calculated by multiplying speed and time.

Distance = Speed \times Time = 52\times9 = 468 miles.

Hence Total distance travel by car is 468 miles.

Now we will find the speed of a car that travels the given distance in 6 seconds.

Speed can be calculate by dividing Distance by time.

Hence;

Speed = \frac{Distance}{Time}=\frac{468}{6}= 78 \ mph

Hence Speed of car is 78 mph which travels the distance in 6 seconds.

6 0
3 years ago
Solve for x:<br><br> 5x-6=9<br><br> haac
Maurinko [17]

Answer:

X = 3

You're welcome.

Step-by-step explanation:


8 0
3 years ago
Read 2 more answers
If points of a region represent equally-likely outcomes, then you can find probabilities by comparing areas.... T/F?
Anarel [89]
<span>If points of a region represent equally-likely outcomes, then you can find probabilities by comparing areas would be true.</span>
3 0
3 years ago
Can someone please explain to me the difference between SAS and SSS in Geometry when dealing with triangle proofs?
ANTONII [103]

Hello from MrBillDoesMath!

Answer:   SAS = side - angle -side    congruence

              SSS  = side - side - side     congruence


Discussion :

In Plane Geometry,  identical triangles are said to be "congruent". There are several ways, depending upon the information you have, to prove 2 triangles are congruent.

In one approach ("SSS") if you can show that 2 triangles have identical side lengths,  then the triangles are congruent. (A triangle has 3 sides, hence "SSS" -- 3 S's; 3 sides, get it?)

In another approach ("SAS") if you can show that 2 sides, and the angle included between those sides, in one triangle are identical to the sides and included angle in another triangle,  then the triangles are congruent

It's easier to understand this with a picture or diagram than in words. Please review the SSS, SAS picture in your textbook

Regards, MrB

7 0
3 years ago
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