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ziro4ka [17]
3 years ago
15

What is the constant of proportionality in the equation 3y = 2x

Mathematics
2 answers:
-BARSIC- [3]3 years ago
8 0

Answer:k = 2/3

Step-by-step explanation:

When a variable y directly relates to another variable x, we can say:

y=kx

Given the equation, we can say

3y=2x

y= 2x/3

Putting the value of y from above discussion

kx = 2x/3

x is being cancelled on both sides of equation

k= 2/3

maria [59]3 years ago
3 0

Answer:

k = 2/3

Step-by-step explanation:

i don’t know how to explain sorry I’m not good at explaining but I hope this helps

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What is the area of the figure? Use 3.14 for π. Round to the nearest hundredth if necessary.
vfiekz [6]

Answer:

81.12 cm²

Step-by-step explanation:

The area for a semicircle can be figured with this formula: (πr²)/2. The triangle's area formula is bh/2.

(3.14 * 4²)/2 + (14 * 8)/2 <em>(Work the operations in parentheses first.)</em>

(3.14 * 16)/2 + 112/2

50.24/2 + 112/2 (<em>Divide 50.24 by 2. Do the same for 112.)</em>

25.12 + 56 (<em>Add 25.12 & 56.)</em>

81.12 cm²

The area of the figure is 81.12 cm².

7 0
3 years ago
Why is the percent increase of 45 to 75 not equal to the percentage crease of 75 to 45 check all that apply.
nevsk [136]

Answer: B and F

Step-by-step explanation:

Since, In the first case original amount = 45

So, the increasing percentage when the original amount increases to 75,

=  \frac{75-45}{45} \times 100 = \frac{30}{45} \times 100= \frac{200}{3} %

In second case original amount = 75

So the decreasing percentage when the original amount decreases to 45,

=    \frac{75-45}{75} \times 100 = \frac{30}{75} \times 100= \frac{40}{1} %

Thus, We found that the ratio of the percent increase is not the same as the percent decrease ( because,   \frac{200}{3}\neq \frac{40}{1}

Also, The original amount of the present increase is different from the original amount for the persons decrease. ( Because, 75\neq 45

Therefore, Option B and F is correct only.



5 0
3 years ago
Read 2 more answers
Find the sum of the first six terms of the sequence for which a2=0.7 and a3=0.49.
alina1380 [7]
A1 = 0.91
a6 = -0.14
sum = (0.91+-0.14) /2
sum = 2.31
8 0
3 years ago
Read 2 more answers
1/3 divided by 3 = ?<br><br> 9 divided by 1/3 = ?
Verdich [7]

Answer:

1/3 divided by 3= 1/9

9 divided by 1/3= 27

Step-by-step explanation:

3 0
2 years ago
What is the cubed root of 216?
Ber [7]

Answer:

haha! You know the answer. Thanks tho!

Step-by-step explanation:

5 0
3 years ago
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