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qaws [65]
3 years ago
7

Y = n(n + 1) please help, thanks!!!

Mathematics
1 answer:
Yuri [45]3 years ago
6 0

Answer:

Y=n^2+n

Step-by-step explanation:

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It takes Pam 45 minutes to drive to work and 60 minutes to drive home from work. Write the ratio if the time Pam spends driving
Alex Ar [27]

The correct ratio for this problem is 3:4

<h2>The steps:</h2><h2>1) make 45 and 60 a fraction </h2><h2>2)45/60 simplify </h2><h2>3) once you simplfy you should get 3/4</h2><h2 /><h2>Steps in Numbers:</h2><h2>45/60 =3/4</h2><h2>60/45=4/3 convert 3/4</h2><h2>3/60=1/20 </h2><h2>3/45=1/15</h2><h2>Step 3:</h2><h2>60 divided into 48 as a fraction and simplify it </h2>
5 0
4 years ago
Find the area of a circle with a circumference of 31.4 yards.<br>​
Jobisdone [24]

Answer:

A = 78.46 square yards

Step-by-step explanation:

A = (C^2)/4π

A = ((31.4 )^2)/4π

A = 78.46

hope this helps, pls mark brainliest :D

5 0
3 years ago
Read 2 more answers
Mr. and Mrs. Chan want to buy new furniture that has a cash price of $6230. On the installment plan, they must pay %25 of the ca
Masteriza [31]

The interest due on financing option is $307.50

What is interest on financing?

Interest on financing is the extra amount paid by the couple when their total payments are compared to the cash price of $6,230.

The total payments would be the 25% down payment plus the sum of the twelve monthly payments of $415 each

Down payment=cash price*25%

Down payment=$6230*25%

Down payment=$1,557.50

Total monthly payments=amount of each monthly payment*number of monthly payments

monthly payment=$415

number of monthly payments=12

Total monthly payments=$415*12

Total monthly payments=$4,980

Total payment under financing=Down payment +Total monthly payments

Total payment under financing=$1,557.50+$4,980

Total payment under financing=$6,537.50

Interest=$6,537.50-$6,230

Interest on financing=$307.50

Find out more on down payment on: brainly.com/question/1698287.

#SPJ1

Complete question:

Mr. and Mrs. Chan want to buy new furniture that has a cash price of $6230. On the installment plan, they must pay %25 of the cash price as a down payment and make twelve monthly payments of $415. How much interest did they pay due to financing?

3 0
2 years ago
A new pair of shoes is advertised for $110. The sales tax is 7.5%. What is the total cost of the shoes?
Mashcka [7]

Answer:

118.25

Step-by-step explanation

If the tax is in percent, divide the tax rate by 100. You do this by moving the decimal point two spaces to the left. In this, there's 7.5/100 = 0.0

Find the tax value by multiplying tax rate by the item value:

tax = 110 × 0.075

tax = 8.25

5 0
3 years ago
Rewrite the quadratic function in the form that best reveals the zeros of the function: f(x)=2(2x^2+4x)+3
olga2289 [7]

Answer:

Step-by-step explanation:

The given quadratic function is f(x)=2(2x^2+4x)+3

Multiplying through to open the brackets,

f(x)=4x^2 + 8x +3

To find the zeros, we will equate

f(x) = 0

Therefore,

4x^2 + 8x +3 = 0

Finding two numbers such that when we multiply them, it gives us 12xx^2 and when we add them, it gives us 8x, we have 6x and 2x. Therefore,

4x^2 + 8x +3 = 0 is expressed as

4x^2 + 2x + 6x +3 = 0

2x(2x + 2) +3(2x + 3) = 0

(2x +2)(2x +3) =0

f(x) = 2x +2)(2x +3)

5 0
4 years ago
Read 2 more answers
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