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pogonyaev
3 years ago
15

Please I really need help:

Mathematics
2 answers:
Kobotan [32]3 years ago
6 0
Hi there

The answer is
b.) y=8,000(1.14)^x

Good luck!
docker41 [41]3 years ago
3 0

Answer:

The correct option is B.

Step-by-step explanation:

It is given that price of car is $8000.

Credit limit is $12000.

The monthly interest rate is 14%.

The exponential growth function is defined as

f(x)=a(1+r)^x

Where, a is initial value, r is rate of interest per month and x is time in months.

Here the initial amount of loan is $8000 and monthly interest rate is 0.14.

y=8000(1+0.14)^x

y=8000(1.14)^x

The exponential equation to determine how much you will owe (represented by y) after x months with no more purchases or payments is y=8000(1.14)^x

Therefore the correct option is B.

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The function f(t) = 1100(0.9945)^t represents the change in a quantity over t weeks. What does the constant 0.9945 reveal about
TEA [102]

Answer:

As t increases, the quantity reduces

Step-by-step explanation:

Given

f(t) = 1100(0.9945)^t

Required

What does the rate (0.9945) reveal about the function

From the given function, the rate b is:

b = 0.9945

When b has the following range:

0

Then, it means there is a reduction

<em>In other words, as the number of weeks (t) increases, the quantity (f(t)) reduces</em>

8 0
3 years ago
Twice a number plus twice a second number is 310. The difference between the numbers is 55. Find the numbers by writing and solv
yan [13]

The numbers are 105 and 50

<em><u>Solution:</u></em>

Let "x" be the first number

Let "y' be the second number

Twice a number plus twice a second number is 310

Therefore,

twice of x + twice of y = 310

2x + 2y = 310 ---------- eqn 1

The difference between the numbers is 55

x - y = 55 -------- eqn 2

<em><u>Let us solve eqn 1 and eqn 2</u></em>

From eqn 2,

x = 55 + y ------ eqn 3

<em><u>Substitute eqn 3 in eqn 1</u></em>

2(55 + y) + 2y = 310

110 + 2y + 2y = 310

4y = 310 - 110

4y = 200

<h3>y = 50</h3>

<em><u>Substitute y = 50 in eqn 3</u></em>

x = 55 + 50

<h3>x = 105</h3>

Thus the numbers are 105 and 50

7 0
3 years ago
On a school trip, the ratio of the teachers to students is 2:21. The ratio boys to girls is 4:3. If there are 18 girls girls on
Alexandra [31]

Answer:

4

Step-by-step explanation:

Let's say B is the number of boys and T is the number of teachers.

T / (B + 18) = 2/21

B/18 = 4/3

Solve the second equation for B.

B = 24

Plug into the first equation to find T.

T / (24 + 18) = 2/21

T = 4

6 0
3 years ago
Plz help me answer these
givi [52]

Answer:

Lenne=10 Gilberto=10 Alana=7.50

Step-by-step explanation:

7 0
3 years ago
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Lindsey took out an 80/20 mortgage to buy a house costing $145,000. The
mash [69]

Answer:

605.11

Step-by-step explanation:

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3 years ago
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