4 years ago

What is 4/5 of a dollar?

Mathematics

2 answers:

Brut [27]4 years ago

7 0

Answer:0.8

Step-by-step explanation:

Keith_Richards [23]4 years ago

5 0

i believe it is 80 cents

You might be interested in

Can someone double check this please

Dmitry [639]

Answer: c. 29.65 + 0.90r ≤ 41

5 0

4 years ago

How much TV do college students watch? A survey of 361 students recorded the number of hours of television they watched per week

Darina [25.2K]

Answer: 90% confidence interval would be (6.022,6.986).

Step-by-step explanation:

Since we have given that

Number of students = 361

Sample mean = 6.504

Sample standard deviation = 5.584

Standard error of the mean = 0.294

At 90% confidence level,

So, α = 0.01

So, z = 1.64

Margin of error is given by

$z\times \text{Standard error}\\\\=1.64\times 0.294\\\\=0.48216$

So, Lower limit would be

$\bar{x}-0.482\\\\=6.504-0.482\\\\=6.022$

Upper limit would be

$\bar{x}+0.482\\\\=6.504+0.482\\\\=6.986$

So, 90% confidence interval would be (6.022,6.986).

3 0

3 years ago

A baker makes 30 cupcakes. He makes 3 times as many cupcakes as his friend Sarah. How many cupcakes does Sarah make?

Kazeer [188]

Answer:

sarah makes 10 cupcakes

Step-by-step explanation:

baker makes 30 cupcakes.

30/3=10

6 0

3 years ago

Greg has a peice of rope that is 18 ft long he want to cut it into two pieces so that the longer piece is 2 ft less than three t

Taya2010 [7]

$x-shorter\ piece\\3x-2-longer\ piece\\\\x+3x-2=18\\x+3x=18+2\\4x=20\ \ \ \ |:4\\x=5\\\\3\cdot5-2=15-2=13\\\\Shorter\ piece:5\ ft\\Longer\ piece:\ 13\ ft$

4 0

3 years ago

Read 2 more answers

I don’t understand the question and don’t know the answer

katovenus [111]

Answer: I belive it would be 0, 0 ?

Step-by-step explanation:

3 0

3 years ago