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ArbitrLikvidat [17]
3 years ago
14

What is the constant of proportionality?

Mathematics
2 answers:
Korolek [52]3 years ago
8 0

Answer:

0.4

1*3 = 3

7*? = 7n (7 of a variable)

3 = 7n (divide by 7)

3/7 = 0.4285

0.4285 rounded to the nearest tenth = 0.4

MrRa [10]3 years ago
6 0

0 or 2.33333333

2.33333333 rounded to ten is 0

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Maria found the least common multiple of 6 and 15. Her work is shown below. Multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 6
sineoko [7]
She totally missed seeing the number 30, as 15 x 2 is 30 and 6 x 5 is 30. 30 is her LCM
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3 years ago
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Hey GUYS PLEASE HELP THANK YOU
slava [35]

Answer: The sum of two Irrational numbers will be irrational

Step-by-step explanation: Because they are irrational so its result will also be irrational

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2 years ago
What is the order of rotational symmetry for the figure
Kaylis [27]

Answer:

B. 3

Step-by-step explanation:

First of all we will define rotational symmetry.

Rotational symmetry is when a shape looks the same after some rotation or less than one rotation.

The order of rotational symmetry is how many times it matches the original shape during the rotation.

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8 0
3 years ago
Solve the system of equations y = 40x2 and y = 19x + 3 algebraically.
ikadub [295]

We have been given a system of nonlinear equations.

\\y=40x^{2},y=19x+3

In order to solve this system we can first equate the two equations in order to get a quadratic in x.

\\40x^{2}=19x+3

Our next step is to bring all the terms on one side.

\\40x^{2}-19x-3=0

Now we have to solve this equation. We can solve it by factoring using the splitting middle term method.

\\40x^{2}-24x+5x-3=0

\\8x(5x-3)+(5x-3)=0

\\(8x+1)(5x-3)=0

Upon setting each of these factors equal to zero using zero product property we get

\\8x+1=0 \text{ or } 5x-3 = 0

Upon solving both these equations we get

\\x=-\frac{1}{8} \text{ or } x=\frac{3}{5}

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y=19x+3

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\text{For }x=- \frac{1}{8} \Rightarrow y=19(- \frac{1}{8})+3= \frac{5}{8}\\

\text{For }x= \frac{3}{5}\Rightarrow y=19( \frac{3}{5})+3= \frac{72}{5}\\

Therefore, our final set of solutions are

(x,y)=(- \frac{1}{8},\frac{5}{8}) \text{ and } ( \frac{3}{5}, \frac{72}{5})


6 0
3 years ago
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Can someone please solve this?
Mrac [35]
Well to find the volume of a pyramid, you take the base (12mm) times the height (15mm) times 1/3 to get an answer of 60mm squared.

Hope this helped.
8 0
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