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kirill [66]
2 years ago
6

A number halved and then halved again is equal to 2 what was the original number

Mathematics
1 answer:
Vera_Pavlovna [14]2 years ago
3 0
8
can be solved by the equation x/4=2.solve for x
You might be interested in
How to solve this problem
Slav-nsk [51]

Answer:

8.95

Step-by-step explanation:

here we are going to use pythagoras theorem

a² +b² =c²

the vertical can be taken as a and horizontal as b

4² +8²=c²

this is the same as

c²= 4²+ 8²

c²= 16+ 64

c²=80

to get rid of the square we shall put both sides under a root

\sqrt{c ^{2} }  =  \sqrt{80}

c = 8.95

3 0
2 years ago
I invested in a savings bond for two years and paid simple interest at an annual rate of 6%. The total interest I earned was $48
Nina [5.8K]

Answer:

4,000

Step-by-step explanation:

I= P*R*T/ 100

480= P*6*2/100

48000= 12P

Divide.

P= 4000

3 0
2 years ago
6) on Monday, 350 students went on a trip to the zoo. All 8
pav-90 [236]

Answer: 58

Step-by-step explanation: You just have to divide 350 and 6

7 0
3 years ago
Find the geometric means of the following sequence -7, ?, ?, ?, ?, -1, 127, 357
Free_Kalibri [48]
18,267, 2728,2729110,72829183836,261729340
4 0
2 years ago
The researcher has limited resources. He sends 9 emails from a Latino name, and 14 emails from a non-Latino name. For the Latino
deff fn [24]

Answer: 38.41 minutes

Step-by-step explanation:

The standard error for the difference in means is given by :-

SE.=\sqrt{\dfrac{\sigma_1^2}{n_1}+\dfrac{\sigma^2_2}{n_2}}

where , \sigma_1 = Standard deviation for sample 1.

n_1= Size of sample 1.

\sigma_2 = Standard deviation for sample 2.

n_2= Size of sample 2.

Let the sample of Latino name is first and non -Latino is second.

As per given , we have

\sigma_1=82

n_1=9

\sigma_2=101

n_2=14

The standard error for the difference in means will be :

SE.=\sqrt{\dfrac{(82)^2}{9}+\dfrac{(101)^2}{14}}

SE.=\sqrt{\dfrac{6724}{9}+\dfrac{10201}{14}}

SE.=\sqrt{747.111111111+728.642857143}

SE.=\sqrt{1475.75396825}=38.4155433158\approx38.41

Hence, the standard error for the difference in means =38.41 minutes

3 0
2 years ago
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