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Viefleur [7K]
3 years ago
8

Which does not show a direct variation between x and y?PLZZZ HELP ASAP?

Mathematics
2 answers:
svetoff [14.1K]3 years ago
6 0
A direct variation equation takes the form y=kx, where k is a constant.

Choice A displays a direct variation since it takes the form y=kx, where k=5.

Choice B does NOT display direct variation because x is in the denominator. This relationship between x and y in choice B is called inverse variation.

Choice C displays direct variation since it takes the form y=kx, where k=0.7

Choice D displays direct variation since it takes the form y=kx, where k=1/9.

In conclusion, your answer is CHOICE B. Have an awesome day! :)
Anon25 [30]3 years ago
3 0
Y = 6/x does not show a direct variabtion

Answer
B. y = 6/x
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70 POINTS!
siniylev [52]
You can solve this question with pythagorean theorem > {a}^{2} + {b}^{2} = c^{2}

Based on the information, you already have one side (a or b, doesn't matter, 12) and the hypotenuse (the cut, c, 15)

So: 
1. 12^{2} + b^{2} = 15^{2}
2. 144+b^{2} = 225
3. b^{2} = 225 - 144 = 81
4. b=  \sqrt{81}
5. b=9

7 0
4 years ago
Sheldon harvests the strawberries and tomatoes in his garden.
shtirl [24]

Answer:

A. 3 13/20

B.3.8 kg

C.Strawberries

Step-by-step explanation:

In order to solve this we just need to find the amount of strawberries he picked, and if he picked 1 2/5 less in the morning and in the morning he picked 2 1/4, we just add that up to know how much he picked in the afternoon:

1\frac{2}{5}+ 2\frac{1}{4}\\1 \frac{2(4)}{20}+ 2\frac{1(5)}{20}\\1 \frac{8}{20}+ 2\frac{5}{20}\\\\3\frac{13}{20}

So in the afternoon he picked 3\frac{13}{20}.

Now he picked 5 3/10 kg of tomatoes but 1.5 were rotten, we just have to withdraw the rotten from the total:

5\frac{3}{10} -1\frac{1}{2} \\5\frac{3}{10} -1\frac{5}{10} \\4\frac{3-5}{10} \\3\frac{13-5}{10} \\3\frac{8}{10}

So now we know that he picked 3\frac{8}{10} kg of good tomatoes.

If he picked in the afternoon and the morning 5.05 kg of strawberries, he picked more strawberries than tomatoes.

7 0
3 years ago
Plz explain properly, I have this on my MATH FINAL TMR
Nonamiya [84]
You are to calculate the # of students, based upon the starting volume of juice and the amount each student receives.

                                                     22 1/2 cups
This # of students is equal to ------------------------------
                                                [1 1/4 cup / student ]

and this could be found easily by dividing 22.5 by 1.25:  18.  There are 18 students.

6 0
3 years ago
Tyrell wants to buy a pair of shoes with an original price of $75. He has a coupon for 25% off. What is the price of the shoes o
kirza4 [7]
$56.25, since 25% off can also be written as ÷4, since 25 is a quarter. 75÷4=18.75
75-18.75=56.25.               Therefore, the answer is $56.25
3 0
3 years ago
How high is the tree in cm
Ipatiy [6.2K]
A^2 + b^2 = c^2.....a and b are the legs and c is the hypotenuse
4^2 + b^2 = 5^2
16 + b^2 = 25
b^2 = 25 - 16
b^2 = 9
b = sq rt 9
b = 3 m

1 meter = 100 cm....so 3 meters = 3(100) = 300 cm
ur answer : the tree is 300 cm high
4 0
3 years ago
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