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Rufina [12.5K]
3 years ago
10

Which of the following is not true?

Mathematics
2 answers:
cestrela7 [59]3 years ago
4 0

The last statement is NOT true.

1/2 divided by 4 is 0.125 and 1/2 times 4/1 is 2

Hope I helped!

Rufina [12.5K]3 years ago
4 0

Answer: the answer is D

Step-by-step explanation: the correct answer would be 1/2 ÷ 4 = 1/2 x 1/4  (you needto switch the second fraction for it to be right)

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Help please.... I don't understand at all I am confusion!!!
Contact [7]

Answer:

Sorry

Step-by-step explanation:

3 0
2 years ago
Zero of the functions f(x)= x^2 + 4x+3 and why ?
slava [35]
There are two zeros: -3 and -1. This is because when you factor f(x)<span>= x^2 + 4x + 3, it becomes f(x) = (x + 3)(x + 1). In order to find the zeros, set f(x) to 0, and then solve for x for both (x + 3) and (x + 1). You can check your answer by substituting either -3 or -1 for x in the equation 0 = </span>x^2 + 4x + 3.
6 0
2 years ago
What is the volume of the cone? What is the volume of the cylinder? What is the volume of the sphere? At the craft store discuss
KATRIN_1 [288]

Answer:

clay sphere gives more clay for less money

Step-by-step explanation:

Volume of cone=1/3πr^2h

=1/3*3.14*(9^2)*12

=1/3*3.14*81*12

=3,052.08/3

=1017.36 inches^3

Volume of a cyclinder=πr^2h

=3.14*(9^2)*12

=3.14*81*12

=3,052.08 inches^3

Volume of a sphere=4/3πr^3

=4/3*3.14*(9^3)

=4/3*3.14*(9^3)

=4/3*3.14*729

=9,156.24 / 3

=3,052.08 inches^3

Clay cone=$12

Clay cyclinder=$30

Clay sphere=$28

Which is the best to buy

Comparing volume

Volume of sphere=3,052.08 inches^3

Volume of cyclinder=3,052.08 inches^3

Volume of cone=1017.36 inches^3

Sphere and cyclinder both have the same volume which is 3 times more than volume of a cone

Clay sphere cost $28 which is cheaper than clay cyclinder at the same volume.

Therefore, clay sphere gives more clay for less money

4 0
2 years ago
A rock is thrown upward with a velocity of 18 meters per second from the top of a 37 meter high cliff, and it misses the cliff o
zhenek [66]

Answer:the rock would be at a point 12 m from water

Step-by-step explanation:

8 0
2 years ago
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Hoochie [10]
A "whole" will be 7/7, or just 1 whole.

so we know one bag can do 1/7 of all students, how many will it be needed to do 7/7?

well, in 7/7 there are seven 7/7, so, 7 bags then, or one could say,

\bf \begin{array}{ccll}&#10;\stackrel{chocolate}{bag}&\stackrel{fraction}{students}\\&#10;\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\&#10;1&\frac{1}{7}\\\\&#10;x&\frac{7}{7}&#10;\end{array}\implies \cfrac{1}{x}=\cfrac{\quad \frac{1}{7}\quad }{\frac{7}{7}}\implies \cfrac{1}{x}=\cfrac{1}{7}\cdot \cfrac{7}{7}&#10;\\\\\\&#10;\cfrac{1}{x}=\cfrac{1}{7}\implies 7=x
5 0
2 years ago
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