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2 years ago

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Mathematics

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Alex_Xolod [135]2 years ago

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Circle C is shown. Secants U W and Y W intersect at point W outside of the circle. Secant U W intersect the circle at point V an

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78 degrees mArc V X in the diagram

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2 years ago

Lelia says that 75% of a number will always be greater than 50% of a number. Complete the inequality to support Lelia's claim an

worty [1.4K]

Answer:

Let 'x' and 'y' be two different numbers.

Leila says that 75% of a number will always be greater than 50% of a number. The inequality that represents this statement is the following:

0.75x > 0.5y

Let x = 100 and y=200. We have that:

0.75(100) > 0.5(200)

75 > 100 ❌ INCORRECT ❌

Given that we found a case in which 75% of a number is not greater than 50% of a number, we can conclude that Leila's claim is incorrect.

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2 years ago

what are the domain and range of f(x) = 4x – 8? domain: {x | x is a real number}; range: {y | y > –8} domain: {x | x is a rea

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Answer : domain: {x | x is a real number}; range: {y | y >- 8}

the domain and range of $f(x) = 4^x – 8$

For exponential function , there is no restriction for x

So domain is all real numbers

For exponential function , $f(x) = a^x + b$

The range is y > b

The range of $f(x) = 4^x -8$ is y> -8

domain: {x | x is a real number}; range: {y | y > –8}

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2 years ago

Read 2 more answers

Brenna found 10% of 60. Her work is shown below. 10% of 60 = (60 ÷ 2) = 30 Is Brenna’s answer correct? No. Brenna should have di

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Answer:

The answer is No. She should have divided by 10 to find 10%.

Step-by-step explanation:

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A car rental firm has the following charges for a certain type of car: $25 per day with 100 free miles included, $0.15 per mile

Eddi Din [679]

y = 25 + 0.15x is the equation for relating the cost y to the number of miles x that you drive the car

Solution:

Let "y" be the total cost of car rental

Let "x" be the number of miles you drive the car for more than 100 miles

A car rental firm has the following charges for a certain type of car:

$25 per day with 100 free miles included, $0.15 per mile for more than 100 miles

Suppose you want to rent a car for one day, and you know you'll use it for more than 100 miles

Therefore,

Car is rented for one day

You will use it for more than 100 miles

Therefore, equation is framed as:

Total cost = $ 25 + 0.15(number of hours)

$Total\ Cost = 25 + 0.15x\\\\y = 25 + 0.15x$

Thus the equation for relating the cost y to the number of miles x that you drive the car

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2 years ago