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qwelly [4]
3 years ago
12

What is the constant of proportionality in the equation X/y=2/9

Mathematics
1 answer:
mart [117]3 years ago
6 0

Answer:

the answer is 2/9

Step-by-step explanation:

x/y=2/9

y=9/2 x

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1 3/4d= 14 what is the value of d
Veronika [31]

1 3/4d= 14

7/4d = 14

d = 8

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3 years ago
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Please answer this. kevin buys 4 chairs. each cir cost $13.50. the sales taxs is 6.5%.
MatroZZZ [7]
The answer would be $57.51
3 0
2 years ago
Simplify the Expression. Clear explanation of monomials appreciated - Thanks!
Nataly [62]
I think the answer is .4m^7n^8

Uhh I don’t know how to give it a clear explanation but all I did was multiply them

-0.8•-0.5= .4

M^2•m^5=m^7

n•n^7=n^8

Hope this helps some.
7 0
3 years ago
Please help and thank you.
pashok25 [27]

Answer:

s(x) is t(x) ...

  • horizontally compressed by a factor of 2,
  • reflected across the y-axis, and
  • translated downward 5 units.

Domain and Range

  • t(x) has a domain of x ≤ 0, and a range of y ≥ 0.
  • s(x) has a domain of x ≥ 0, and a range of y ≥ -5.

Step-by-step explanation:

t(x) is the square root function reflected across the y-axis and compressed horizontally by a factor of 2. That is, in f(x) = √x, the x has been replaced by -2x.

s(x) has the function t(x) <em>reflected back across the y-axis</em> and compressed horizontally by another factor of 2. It is also <em>translated downward by 5 units</em>, so that its origin (vertex) is at (0, -5).

_____

The graph shows you the domain and range of s(x). The domain is all numbers to the right of x=0, including x=0. That is ...

  domain: x ≥ 0

The range is all numbers -5 or above:

  range: y ≥ -5

___

For t(x), the argument of the square root function must not be negative, which means the value of x cannot be positive.

  domain: x ≤ 0

For non-negative values of radicand, the t(x) function will have non-negative values. So, the range is ...

  range: y ≥ 0

_____

<em>Comment on solving problems like this</em>

Your graphing calculator can be your friend.

6 0
3 years ago
What is the best approximation for the circumference of a circle with a diameter of 400 inches? Use 3.14 to approximate pi.
vesna_86 [32]

Answer:

C≈1256.64in

Step-by-step explanation:

C=πd=π·400≈1256.63706in

Hope this helps!

3 0
3 years ago
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