There is a value of a such that subtracting a-4 from 4a+16 gives an answer of -25. What is that value of a?

Answers

Answer 1

Answer: The value of variable a is -45 if you explained question correctly

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Fifteen tickets cost $193.75. what is the average cost of each ticket

Answers

I think it's $12.92

Tina pet sits to earn extra money. She charges a flat service fee of $20, plus $20 per day. If one of her customers spent less than $80, which of the following inequalities could be used to solve for x, the number of days the customer paid for pet sitting?$20x + $20 < $80
$20x < $80
$20x - $20 < $80
$20x < $100

Answers

The formula for the total amount costumers pay is 20x+20 because 20* the number of days is 20x and then you have to add the 20 dollars for the service fee. The costumer paid less than 80 dollars so 20x+20, which is what the costumer paid, is less than 80. The answer is $20x+$20<$80.

!!20 points!!! Determine which postulate or theorem can be used to prove that ABC =
DCB

Answers

I think the answer is A, SAS

Celia filled the glasses shown below completely with water. The total amount of water that Celia poured into the glasses is 80 cubic centimeters. What is the height of glass 1? Round your answer to the nearest tenth. (Use π = 3.14.) A: 2.6 centimeters
B: 4.8 centimeters
C: 5.6 centimeters
D: 7.6 centimeters
If anyone could help me, that would be great! This is the only question I'm actually stuck on.

Answers

The height of glass 1 which in cylindrical in shape is 7.6centimeters. Since the total volume of water added by Celia is 100 cubiccentimeter, and the volume of glass 2 is 26.4 cubic centimeter which is aconical in shape. Subtracting the volume of glass 2 from the total volume glass1 can be calculated and its height.

Answer:

D: 7.6 centimeters

Step-by-step explanation:

Jari invests in a CD with an annual interest rate of 5.45% compounded quarterly. How many years will it take for Jari's investment to double. Round your answer 4 decimal places and include a label (written in lowercase)

Answers

It will take 12.8047 years for Jari's investment to double

Step-by-step explanation:

The formula for compound interest, including principal sum is

$A=P(1+(r)/(n))^(nt)$ , where:

A is the future value of the investment/loan, including interest
P is the principal investment amount (the initial deposit or loan amount)
r is the annual interest rate (decimal)
n is the number of times that interest is compounded per unit t
t is the time the money is invested or borrowed for

Jari invests in a CD with an annual interest rate of 5.45% compounded quarterly. We need to find how many years it will take for Jari's investment to double.

∵ The annual interest rate is 5.45%

∴ r = 5.45% = 5.45 ÷ 100 = 0.0545

∵ The interest rate is compounded quarterly

∴ n = 4

∵ The Jari's investment is doubled in t years

∴ A = 2P

- Substitute these values in the rule above

∵ $2P=P(1+(0.0545)/(4))^(4t)$

- Divide both sides by P

∴ $2=(1+(0.0545)/(4))^(4t)$

∴ $2=(1+0.013625)^(4t)$

∴ $2=(1.013625)^(4t)$

- Insert ㏒ to both sides

∴ $log(2)=log[(1.013625)^(4t)]$

- Remember $log(a)^(n)=nlog(a)$

∴ ㏒(2) = 4t ㏒(1.013625)

- Divide both sides by 4 ㏒(1.013625) to find t

∴ t = 12.8047 years

It will take 12.8047 years for Jari's investment to double

Learn more;

You can learn more about compound interest in brainly.com/question/4361464

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Paolo pays $244 for 5 identical calculators. About how much does Paolo pay for one calculator?

Answers

In the question, all details are given. using these details it would be easy to determine the required answer. It is already given that Paolo paid $244 for buying 5 identical calculators. It is required to find the amount necessary to buy a single calculator.
Then
Amount required for buying 5 calculators = 244 dollars
Amount required to buy 1 calculator having same specification = (244/5) dollars
= 48.80 dollars
So the amount required to buy 1 calculator having identical features is $48.80

$244 for all 5 calculators so 244/5= $48.80 is what he paid for each calculator

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