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Thepotemich [5.8K]

1 year ago

8

I do have examples to help me but they make no sense :/

1 answer:

RideAnS [48]1 year ago

7 0

First you would do 5^2 and that is 25. Next do 75+25 and that is 100. So I just did the top part next I would do the bottom. We know 5^2 is 25 and know we just divide 100 by 25 and that is 4. So your answer is 4

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A rectangle has a length that is 5 inches more than the width Its perimeter is 50 inches. Find the length

Crazy boy [7]

Answer:

Length is 30 width is 20

Step-by-step explanation:

50 divided 2 is 25. Add 5 to 25. Then you have two parts. 30 and 20.

They are your answers.

4 0

3 years ago

Please help and thank you

artcher [175]

The answer is (2,3). If you plot each answer choice you'll see that (2,3) is the only one that is within the shaded area, which means that it satisfies the given system of innequalities.

5 0

3 years ago

Isosceles triangle ABC has a perimeter of 96 centimeters. The base of the triangle is Line segment A C and measures 24 centimete

Mnenie [13.5K]

<h2>Answer:36 $cm$ </h2>

Step-by-step explanation:

Given that $ABC$ is isosceles triangle.

A isosceles has two sides equal an the third side is the base.

So, $AB=BC$ ...(i)

Given that length of the base $AC=24$

Given that the perimeter of the triangle is $96$

So, $AB+BC+AC=96$ ...(ii)

Using (i) and (ii),

$AB+AB+AC=96\\2AB+24=96\\2AB=72\\AB=36cm$

4 0

3 years ago

Jason is tossing a fair coin. He tosses the coin six times and it lands on heads all six times.

omeli [17]

Answer:

c?

Step-by-step explanation:

i think

4 0

3 years ago

Jackie makes an $800 deposit into a bank account earning 4.5% interest.

Pepsi [2]

Answer:

a. $1251.5

b. $1254.64

c. 15.4 years

d. 30.56 years

Step-by-step explanation:

Given the information:

Principle (P) = $800
Interest = 4.5%

As we know, the formula to find the future value of Jackie deposit with interest is compounded monthly, quaterly, ..is

$A=P(1+\frac{r}{n} )^{nt}$ where:

P = initial balance
r = interest rate (decimal)
n = number of times compounded annually
t = time

Hence:

a. If the interest is compounded quarterly how much money will Jackie have in 10 years?

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

<=> $A=800(1+\frac{0.045}{4} )^{4*10}$

<=> A = $1251.5

d. If Jackie's money is compounded monthly, how long will it take her money to triple?

<=> $A=P(1+\frac{r}{n} )^{nt} = 3*800$

<=> $800(1+\frac{0.045}{12} )^{12*t} = 2400$

<=> $(1+\frac{0.045}{12} )^{12*t} = 3$

<=> t = 30.56 years

As we know, the formula to find the future value of Jackie deposit with interest is compounded continuously

A = P* $e^{rt}$ where e is the mathematical constant approximated as 2.7183.

b. If the interest is compounded continuously how much money will Jackie have in 10 years?

<=> A = 800* $2.7183^{0.045*10}$

<=> A = $1254.64

C. If Jackie's money is compounded continuously, how long will it take her money to double?

<=> P* $e^{rt}$ = 2*800

<=> 800* $2.7183^{0.045*t}$ = 1600

<=> $2.7183^{0.045*t}$ = 2

<=> t = 15.4 years

8 0

3 years ago