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3 years ago

Answer??? I need help ASAP

Mathematics

1 answer:

ddd [48]3 years ago

6 0

Answer:

it is -67

Step-by-step explanation:

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At 1 p.m., the number of cars in a parking lot is 78. Given the formula found in the first part of the question, An=78⋅1.09n, es

Harrizon [31]

Answer:

At 6 p.m., the number of cars in a parking lot is 120

Step-by-step explanation:

At 1 p.m., the number of cars in a parking lot is 78.

Given,

$A_n=78\cdot 1.09^n$

Note that

$A_0=78\cdot 1.09^0=78\cdot 1=78$

So, 1 p.m. goes for n = 0, then

6 p.m. goes for n = 5

Thus,

$A_5=78\cdot 1.09^5\approx 120$

4 0

3 years ago

•) Evaluate (8 + t)3 – 6 when t = 2. • The value of the expression is

shusha [124]

Answer:the Answer is 994

Step-by-step explanation:

First add 8+2 which gives you 10 and then use the exponent to get 1000. Then subtract 6 which gives you 994. This is tested and i just did this iready

5 0

3 years ago

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Find the area of the polygon. A) 125 ft2 B) 140 ft2 C) 165 ft2 D) 345 ft2

Vladimir79 [104]

B) 140 ft2 depending on the polygon

7 0

4 years ago

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Anna also wants to travel after graduation but she isn’t working while in school so she won’t be able to put money aside regular

Molodets [167]

Answer:

She will have $2792 at the end of her four year investment

Step-by-step explanation:

The compound interest formula is given by:

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

Where A(t) is the amount of money after t years, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per year and t is the time in years for which the money is invested or borrowed.

Gift of $2500:

This means that $P = 2500$

She shopped around and found a 4 year GIC investment that earns 2.8% interest annually.

This means that $t = 4, r = 0.028, n = 1$ .

How much will Anna have at the end of her four year investment?

This is A(4). So

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

$A(4) = 2500(1 + 0.028)^{4} = 2792$

She will have $2792 at the end of her four year investment

6 0

3 years ago

Eighty percent of the dogs have completed obedience classes. How many of the dogs have completed obedience classes? Five dogs of

grandymaker [24]

Let
x--------> number of dogs that completed the obedience class

we know that
total number of dogs=5
Eighty percent of the dogs have completed obedience classes
so
x=0.80*5------> x=4

the answer is
4 dogs have completed obedience classes

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4 years ago

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