Explain how to compare two lengths that are measured in different sized units

Answers

Answer 1

Answer: There are conversion tables everywhere that assist you in changing a different unit into another. Depending on what it is, you can also compare weight into water, cm into m and backwards.

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A culture is grown with a population of 45 million cells. The cell population is found to double every hour. What will the population be after four hours?

Answers

45 million * $2^(4)$ = 45million * 16 = 720million

Or you can use
$y=Ae^(kt)$
A is equal to 45 million
To find the rate, k, we can plug in:
$90million=45million*e^(k*1)$
$2=e^(k)$
$k=ln(2)$
$y=4.5*10^(7)*e^(t *ln2)$
Knowing that t = 4
$y = 4.5*10^(7)*e^(ln(2)*4)$
$y = 720 million$

The population will be 360 million people after four hours

Tom has offered to sell Julian his motorcycle for $1,200. Julian knows this is a very good deal, since the same motorcycle can be purchased at the dealership for $1,800. Since Julian doesn’t have $1,200 and Tom does not accept credit cards, they both think a cash advance might be a good idea. Julian’s credit card company can offer him a cash advance for the $1,200 he needs at an interest rate of 26%. He would then pay off the balance in 24 months. Should Julian use the cash advance to purchase the motorcycle?
a.
No. Julian would be paying too much in interest to warrant using a cash advance.
b.
Yes. Even with the interest, the total cost of the motorcycle would be less than at the dealership.
c.
Yes. The interest rate on the cash advance is low. Julian will not have to pay much interest on the cash advance.
d.
No. The high interest rate on the cash advance would make the purchase of the motorcycle almost twice than the price at the dealership.

Answers

we know that

$26\%= (26)/(100) =0.26$

the total cost of the motorcycle with Julian's credit card company is equal to

$(1+0.26)*\$1,200= \$1,512$

the cost of the motorcycle at the dealership is $\$1,800$

$\$1,512 < \$1,800$

therefore

the answer is the option B

Yes. Even with the interest, the total cost of the motorcycle would be less than at the dealership

I would say that it is a good deal because if we assume that the problem is about simple interest, then Julian will pay 50 per month times 26% of that. If we add up all the sums,, Julian will pay 1200 + a total interest 312 at the end of 24 months. This totals 1512 which is still cheaper than paying 1800 for a bike in the store.

Jerome bought screen for 59 cents per sq ft. how much did 12 sq ft cost

Answers

Answer:

$7.08

Step-by-step explanation:

59 cents = 1 sq ft

? = 12 sq ft

To get from the 1 to the 12 we multiply by 12, so we must do the same to the 59 cents.

0.59 * 12 = 7.08

Therefore, the cost of 12 sq ft is $7.08.

Please mark brainliest if possible and have a nice day.

Sam needs to find the circumference of a circle with a diameter of 24 inches. He uses a calculator to find the circumference. Which answer is reasonable?72.013678 in
75.398223 in
85.335372 in
80.332161 in

Answers

Answer:

75.398223

Step-by-step explanation:

Circumference Formula: 2πr or dπ ⇒ r=radius and d=diamater

1.) π≈3.14

2.) 24×3.14=75.36

dalanay enlarges a photograph tahst is 3 inches long and 2 inches wide. the length of the enlarged photograph is 15 inches. what is the width of the enlarged photograph, in inches?

Answers

Answer:

10 inches

Step-by-step explanation:

Length of photograph, L1 = 3 inches; Length of enlarged photograph, L2 = 15 inches; Width of photograph, W1 = 2 inches; Width of photograph, W2 = ?

Hence, L1/L2 = W1/W2

∴ W2 = (L2*W1)/L1 = (15 X 2)/3 = 10 inches

If (2m) k=6 then mk=

Answers

mk= 3 since 2mk=6 just divide both sides by 2 since in multiplication brackets are irrevant

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Read the word problem below. Chan rows at a rate of eight miles per hour in still water. On Wednesday, it takes him three hours to row upstream from his house to the park. He rows back home, and it takes him two hours. What is the speed of the current? Which of the following is a clue that would help solve this word problem? The rate of Chan’s rowing in still water is 8 mph. Chan rows from the house to the park on Wednesday. Chan’s house is next to a river. The entire trip takes five hours.

Looking for some furniture for her new apartment, Susan visits the local swap meet in search of something cheap. Knowing that most swap meet vendors will not accept credit cards and that she will not have any money until her next payday, Susan decides to take out a $200 cash advance on her credit card at an interest rate of 32%. If Susan had no previous balance on her credit card, and she manages to pay off the balance within 1 month, how much will she have to pay in interest?