MATHEMATICS MIDDLE SCHOOL

Larry and Willa are each reading the same book. Larry has read 2/3 of the book. Willa said that she has read 4/6 of the book, so she read more. Is Willa correct? Explain.

Answers

Answer 1
Answer: Willa isn't correct because 2/3 is the same amount as 4/6. You now this because you multiply 2 to both den and num (bottom +Top of a fraction).

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Please help!Sarai uses 4 cm3 of face wash each night. The cylindrical container of face wash is 10 cm tall and has a diameter of 5 cm. The container is half empty.How many more days will the face wash last her? Use 3.14 to approximate pi, and round your answer to the nearest whole number.

A.196 days


B. 98 days


C. 49 days


D. 25 days

Answers

first you need to find how much is left in the container by finding the whole volume.
cylinder volume= πr²h where r is the radius and h is hight
V= (3.14)*(5²)*(10)
V=(31.4)(25)
V=785cm³ is the total volume
now half has been used so divide that number in half
785/2= 392.5cm³
now she uses 4cm³ a day so divide
392.5/4= 98.125
round to the nearest whole number
answer is B 98

Well I took the test and used the 98 days answer but it was wrong its actually 25 days

Given f(x) = e^x and g(x) = x – 2, what is the range of (g*f)(x)

Answers

For this case we have the following functions:

f (x) = e ^ x\ng (x) = x-2

By definition we have to:

(f * g) (x) = f (x) * g (x)

Substituting:

(f * g) (x) = e ^ x (x-2)

The range of the function is given by all values of "and" valid. That is, all the real numbers.

ANswer:

(-∞,∞)

Graphic attached

Please help 35 points!

Answers

Answer:

life changes over time?

Step-by-step explanation:

sorry if it is wrong. I havent done this yet

5. A car travels 30 miles in of an hour What is the average speed, in miles per hour of the car? ​

Answers

Answer:

60 mph

Step-by-step explanation:

I'm not sure if you meant 30 miles in half an hour, but if that's the case, your answer is 60 mph.  

There are two halves in an hour so

30 x 2 = 60

What is trinomial? Please answer

Answers

A trinomial is an expression with three components being multiplied. For example, abc, or 7xy,
A trinomial is an expression being multiplied Example:
a*b*c

T times 3/4 for t = 8/9

Answers

(3)/(4)t, t= (8)/(9) \n \n (3)/(4) ( (8)/(9)) \n \n (3)/(4) ( (8)/(9))= (3(8))/(4(9))= (24)/(36) \n \n (24/12)/(36/12)= (2)/(3)

The answer is 1 and 5/27. Hope this helped :)
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