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3 years ago

7

Zeus Industries bought a computer for $2730. It is expected to depreciate at a rate of 30% per year. What will the value of the

computer be in 4 years?

1 answer:

Lostsunrise [7]3 years ago

6 0

The price will be $655.47 after four years

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Dr. Potter provides vaccinations against polio and measles. Each polio vaccination consists of 444 doses, and each measles vacci

nataly862011 [7]

Answer:

37 polio vaccinations and 23 measles vaccination.

Step-by-step explanation:

Let the number of polio vaccination given=x

Let the number of measles vaccination given=y

Dr. Potter gave a total of 60 vaccinations

x+y=60

Since each polio vaccination consists of 4 doses, and each measles vaccination consists of 2 doses. A total of 184 doses was given out.

4x+2y=184

To find the values of x and y, we solve the two equations simultaneously.

x+y=60 (1)

4x+2y=184 (2)

From (1), x=60-y

Substitute x=60-y into equation 2.

4x+2y=184

4(60-y)+2y=184

240-4y+2y=184

240-184=4y-2y

56=2y

Divode both sides by 2

y=23

Recall earlier that x=60-y

x=60-23=37

Dr Potter gave 37 polio vaccinations and 23 measles vaccination.

6 0

3 years ago

Plezzzzzwzzzzzzzz help

strojnjashka [21]

Answer:

$3 - a$

Step-by-step explanation:

Given that when you add two numbers together the result is 3.

The greater of the number is given as a.

Let "x" represent that lesser number.

Thus:

$a + x = 3$

To make x the subject of the formula. Subtract a from both x.

$a + x - a = 3 - a$

$x = 3 - a$

Therefore, the expression that represents the lesser number, x, is:

$3 - a$

8 0

3 years ago

Can someone explain this to me? I'm not entirely sure this question has enough information to be solved. Thanks!

dedylja [7]

<u>Question</u><u> </u><u>1</u>

$DC=AC-AD=20-16=4$

<u>Question</u><u> </u><u>2</u>

By the geometric mean theorem,

$BD^2 = (4)(16)=64 \\ \\ BD=8$

<u>Question</u><u> </u><u>3</u>

By the Pythagorean theorem,

$AB^2 = 8^2 + 16^2 \\ \\ AB^2 = 320 \\ \\ AB=8\sqrt{5}$

<u>Question</u><u> </u><u>4</u>

By the Pythagorean theorem,

$BC^2 = 8^2 +4^2 \\ \\ BC^2 = 80 \\ \\ BC=4\sqrt{5}$

8 0

2 years ago

if our monthly income is $1,740 and your house payment is $1,253 what fraction of your monthly income must go to pay your house

Lady_Fox [76]

5/6 ? maybe and it might be 1253/1740

7 0

3 years ago

What do u add to 5 3/7 to make 7

Lisa [10]

Answer:

1 11/38

Step-by-step explanation:

7 divided by 5 3/7 and you get 49/38 simplify by divided the the top by the bottom and you should get 1 11/38

5 0

3 years ago