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Colt1911 [192]
2 years ago
14

Which is the better buy?

Mathematics
2 answers:
Lubov Fominskaja [6]2 years ago
8 0
The better buy would be b 
because ther are 16 cups in a gallon and it would be better to just buy one 3 gallon jug of water for 17.76 then 3 18cup jug of water and it would be cheaper to
Ulleksa [173]2 years ago
3 0
The better buy would be A. " 18-cup jug of water for $10.44 "

Because its cheaper price...

~Dukuccino
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Solve the system.
anyanavicka [17]
X= -2
Y= -1
Z= 1
You may use solve this problem by substituting the values as well. If everything goes wrong , go for Cramer’s rule
3 0
3 years ago
I need help getting the answer for the 1st question
Karo-lina-s [1.5K]
If we have two similar triangles:
Triangle 1 (base 1 , height1).
Triangle 2 (base 2, height 2)
Then:

base 1 /height 1=base 2 /height 2

Data:
base 1=0.2 m
height 1= 1 m
base 2= 8 m
height 2=x

We calculate the height of the tower:
base 1 /height 1=base 2 /height 2
0.2 m / 1m=8 m / x
x=(8 m * 1 m) / 0.2 m
x=8 m²/0.2 m
x=40 m

Answer. the heigth of the tower will 40 m

3 0
3 years ago
Express each of these numbers as a product of two fractions: 1
Murrr4er [49]
Your question is incomplete.
5 0
3 years ago
We measure the diameters for a random sample of 25 oak trees in a neighbourhood. Diameters of oak trees in the neighbourhood fol
jarptica [38.1K]

Answer:

The required confidence inteval = 94.9%.

Step-by-step explanation:

Confidence interval: Mean ± Margin of error

Given: A confidence interval for the true mean diameter of all oak trees in the neighbourhood is calculated to be (36.191, 42.969).

i.e.  Mean + Margin of error = 42.969               (i)

Mean - Margin of error = 36.191                    (ii)

Adding (i) and (ii), we get

2Mean =79.16\\\\\Rightarrow\ Mean= 39.58

Margin of error = 42.969-39.58             [from (i)]

= 3.389

Margin of error = t^* \dfrac{\sigma}{\sqrt{n}}

here n= 25 , \ \sigma=8.25

i.e.

3.389=t^*\dfrac{8.25}{5}\\\\\Rightarrow\ t^* = \dfrac{3.389}{1.65}\\\\\Rightarrow\ t^* =2.0539 \

Using  excel function 1-TDIST.2T(2.054,24)

The required confidence inteval = 94.9%.

7 0
2 years ago
Which of the following does not belong?
I am Lyosha [343]

The correct option is option d

do u like bts

8 0
3 years ago
Read 2 more answers
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