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user100 [1]
3 years ago
12

Is x ^ 2 + y ^ 2 = 6 a function?

Mathematics
1 answer:
oee [108]3 years ago
3 0

Answer:

not a function

Step-by-step explanation:

for example

In order for an equation to represent a function any single value of x must have at most one corresponding value of y which satisfies the equation.

For x2+y2=9

XXXXif (for example) x=0

XXXXthere are two values for y (namely +3 and −3) which satisfy the equation

and therefore the equation is not a function.

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You are choosing between two mugs. One has a base that is 5.5 inches in diameter and a height of 3 inches. The other has a base
professor190 [17]

We should choose mug 1 having volume of  71.24 inch³ ,with diameter 5.5 inches and height 3 inches holds the most !

<u>Step-by-step explanation:</u>

We have 2 mugs, One has a base that is 5.5 inches in diameter and a height of 3 inches. The other has a base of 4.5 inches in diameter and a height of 4 inches. Basically, mugs are cylinders so we will consider 2 cylinders .

To find which one holds the most we are supposed to find volume of both ,the one with maximum volume holds the most.

<u>Part 1: </u>

volume of cylinder 1 (V_{1})= πr₁²h₁ ,

r₁ = radius of cylinder ⇒ \frac{\text {diameter}}{2}=\frac{5.5}{2}=2.75 \text { inches }

h₁ = height of cylinder ⇒  3 inches

∴ V_{1} = πr₁²h₁

⇒ 3.14×( 2.75 )²×3 ⇒ 71.24 inch³

<u>Part 2:</u>

volume of cylinder 2 ( V_{2} )= πr₂²h₂

r₂ = radius of cylinder ⇒ \frac{\text {diameter}}{2}=\frac{4.5}{2}=2.25 \text { inches }

h₂ = height of cylinder ⇒  4 inches

∴ V_{2} = πr₂²h₂

⇒ 3.14×( 2.25 )²×4 ⇒ 63.59 inch³

∵ V_{1} ( 71.24 inch³ ) > V_{2} ( 63.59 inch³ ), mug 1 with diameter 5.5 inches and height 3 inches holds the most.

4 0
3 years ago
Hassan is cooking some rice the recipe says he needs 450 grams of rice for 6 people.how many kilograms of rice would he need for
gregori [183]

Answer:

so if we take 450 an divide it by 6 you get 75. So take 75 times 18 and you get 1,350 so he would need 1,350 kilograms of rice for 18 people

Step-by-step explanation:

hope this helps :D

4 0
2 years ago
Answer correctly
Alla [95]

Answer:

000000000000000

thank you

3 0
3 years ago
Read 2 more answers
HELP ASAP!! Two customers took out loans from a bank. • Henry took out a 4-year loan for $5,000 and paid 4.2% annual simple inte
guajiro [1.7K]

Answer:

D

Step-by-step explanation:

4.2 precent of 5000 is 210. You multiply that by the year (4) because he paid 4.2 of 5000 anually. If you multiply that the answer should be 840.

3.9 precent of 5000 is 195. If you multiply that again by 6 (the year) because he paid 3.9 of 5000 anually. If you multiply that your answer should be 1170.

Now after all that subtract. 1170-840= 330

3 0
3 years ago
Read 2 more answers
A car travels
Alborosie
A car travels - 1/6.
in 3/5 of an hour - 
60 / 5 - 12 x 3 = 36.
so in 36 minutes. 

4/5 = 36+12 = 48 minutes.
2/6.

5/5 (full hour ) = 60 minutes.
3/6.

Car can travel - 3/6.
5 0
4 years ago
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