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3 years ago

Please help, im stuck.

Mathematics

1 answer:

Zina [86]3 years ago

5 0

Answer:

4x^2 + 12x + 9

Step-by-step explanation:

(2x + 3)^2

it is in the form of (a + b)^2

(a + b)^2 = a^2 + 2*a*b + b^2

(2x + 3)^2

(2x)^2 + 2*2x*3 + (3)^2

4x^2 + 12x + 9

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3 years ago

For each pair of tennis shoes Jayla owns, she owns 4 pairs of flip flops. If jayla has 9 more pairs of flip flops than tennis sh

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Answer: There are 12 pairs of tennis shoes.

Step-by-step explanation:

Since we have given that

For each pair of tennis shoes , she owns 4 pairs of flip flops,

so their ratio will be 1:4

Let the number of tennis shoes be x

Let the number of flip flops be 4x

According to question,

4x-x=9

3x=9

x=\frac{9}{3}

x=3

So, the number of pairs of tennis shoes is given by

$4x=4\times 3=12$

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3 years ago

Logan Chivery owns her own car. Her june monthly interest was $300. The rate is 8 1/2 percent. Logans principal balance at the b

tekilochka [14]

Logan Chivery owns her own car. Her June monthly interest was $300. The rate is 8.5 percent. Logan's principal balance at the beginning of June is: (Use 360 days-do not round the denominator.)

A. $42,353.14

B. $42,335.14

C. $2,335.14

Answer: A. $42,353.14

Step-by-step explanation:

When taking a loan, we have to pay interest. The Simple Interest Formula is:

Simple Interest (I) = Principal (P) × Interest Rate (r)

Principal (P) is the borrowed amount.

Interest Rate (r) is the percent of the principal to be paid.

Time (t) is the length of time that money is borrowed.

If Logan Chivery has the monthly interest of $300 at a rate of 8.5% per year, first, we have to convert the year rate to the month of June rate.

30 days = 8.5÷360÷30 = 0.7083333333 interest rate

Then, find the Principal by using the formula

Simple Interest (I) = Principal (P) × Interest Rate (r)

4,2352.94×0.7083333333÷100=299.99

8 0

3 years ago

Please help, im stuck. ​

Please help, im stuck.