Need help will give brainliast answer or wtv

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Answer 1

Answer: It’s the second one I think

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14. Taxi company A charges $2 per ride plus $0.25 per mile. Taxi company B charges $3 per ride plus $0.15 per mile. Which equation could be used to find the number of miles for which both companies cost the same for one ride? O A.2.25m = 3.15m B. 2 + 0.15m = 3 + 0.25m C.2m +0.25 = 3m +0.15 D.2 + 0.25m = 3 + 0.15m
9,13,43,55 what is the mean absolute deviate (MAD) of their ages

Please help me i will mark brainliest

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Answer:

see below

Step-by-step explanation:

The cube of something to the 1/3 power is the original something. The cube of a cube root of something is the original something. Since the cube of a cube root is the same as the cube of a 1/3 power, the 1/3 power is equivalent to the cube root.

The applicable rules of exponents are ...

(a^b)^c = a^(bc)

A 0.8-liter bottle of Mexican wine costs 90 pesos. At that price, how much would a half-gallon jug of the same wine costin dollars?
Click here to view the USCS measurements Click here to view common metric prefixes.
Click here to view the USCS to Metric conversions. Click here to view sample currency exchange rates.
The same wine is approximately dollars per jug.
(Round to the nearest cent as needed.)

Answers

Final answer:

To calculate the cost of a half-gallon jug of the same wine in dollars, convert liters to gallons, calculate the price per gallon, and convert pesos to dollars using the exchange rate.

Explanation:

To find out how much a half-gallon jug of the same wine would cost in dollars, we first need to convert liters to gallons. There are approximately 3.785 liters in a gallon. Thus, the volume of the 0.8-liter bottle of wine is approximately 0.8/3.785 = 0.211 gallons. Given that the price of the 0.8-liter bottle is 90 pesos, we can calculate the price per gallon as 90 pesos / 0.211 gallons.

Now, we need to convert pesos to dollars using the current exchange rate. Let's assume the exchange rate is 1 peso = 0.05 dollars. Multiplying the price per gallon by the exchange rate, we get the cost of the same wine in dollars per jug.

Therefore, the same wine would cost approximately ___________ dollars per jug.

Learn more about converting units here:

brainly.com/question/11875738

An automobile engineer is revising a design for a conical chamber that was originally specified to be 12 inches long with a circular base diameter of 5.7 inches. In the new design, the chamber is scaled by a factor of 1.5. What is the volume of the revised chamber? Round your answer to two decimal places.

Answers

Volume of a cone = 1/3πr²h
r = 5.7/2 = 2.85
h = 12
Volume of original design =1/3π(2.85)²(12)
= 32.49π
= 102.07.....
Linear scale factor = 1.5 = 3/2
Volumetric scale factor = (3/2)³ = 27/8
Volume of revised design = 102.07..... × 27/8
= 344.487..... ⇒ 344.5 in³

A submarine out of death of 2167 feet ascends to a depth of 609ft. How far did the submarine ascend?

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Answer:

A submarine was situated 800 feet below sea level. If it ascends 250 feet, what is its new ... Roman Civilization began in 508 B.C. and ended in 476 A.D. How long did Roman Civilization last? 476-(-508) = 476+508 = 984 ...

An analysis of the grades on the first test in History 101 revealed that they approximate a normal curve with a mean of 75 and a standard deviation of 8. The instructor wants to award the grade of A to the upper 10% of the test grades. To the nearest percent, what is the dividing point between an A and a B grade? Select one:
a. 80
b. 85
c. 90
d. 95

Answers

Answer:

b. 85

Step-by-step explanation:

Average grade (μ) = 75

Standard deviation (σ) = 8

Assuming a normal distribution, the z-score corresponding to the upper 10% of the test grades is z = 1.28.

The minimum grade 'X' within the top 10% is given by:

$z=(X-\mu)/(\sigma)\n1.28=(X-75)/(8)\nX=85.24$

Rounding to the nearest percent, the dividing point between an A and a B grade is 85.

5-11. A polymer is manufactured in a batch chemical process. Viscosity measurements are normally made on each batch, and long experience with the process has indicated that the variability in the process is fairly stable with 20. Fifteen batch viscosity measurements are given as follows: 724, 718, 776, 760, 745, 759, 795, 756, 742, 740, 761, 749, 739, 747, 742. A process change is made that involves switching the type of catalyst used in the process. Following the process change, eight batch viscosity measurements are taken: 735, 775, 729, 755, 783, 760, 738, 780. Assume that process variability is unaffected by the catalyst change. Find a 90% CI on the difference in mean batch viscosity resulting from the process change. What is the practical meaning of this interval