3 years ago

Which table shows a proportional relationship between x and y?

Mathematics

2 answers:

stellarik [79]3 years ago

7 0

Answer:c

Step-by-step explanation:

sladkih [1.3K]3 years ago

5 0

Answer: D because they are all corresponding numbers.

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One card is selected at random from a deck of cards. Determine the probability that the card selected is a 10. The probability t

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Answer:

1:13

Step-by-step explanation:

A standard deck has 52 cards not including the joker. each suit has one 10. there are total four "10" in a deck of playing cards. 4/52 = 1/13 or 1:13

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3 years ago

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What is the volume of the figure composed of two congruent triangular prisms if a = 5 units, b = 3 units, and c = 6 units?

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45 cubic units

Step-by-step explanation:

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where

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3 years ago

Write and solve a problem involving money that can be solved with a multiplication equation

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3 years ago

The height of the tunnel at the center is 35ft, and the vertical clearance must be 21 ft at a point of 8ft from the center. Find

Zinaida [17]

Answer:

y=-0.215x^2+35

Step by Step:

Let, $h=0$ , $k=35$ , $x=8$ , $y=21$

We know that, the general equation of the parabola.

$y-k = a(x-h)^2$

$\Rightarrow y=a(x-h)^2+k .........(i)$

Substitute the value of $h, k, x, y$ in equation $(i)$ and find the value of $a.$

$21=a(8-0)^2+35$

$\Rightarrow 21=a\times 8^2+35$

$\Rightarrow 21=64a+35$

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$\Rightarrow a=\frac{-14}{65}$

$\Rightarrow a=-0.215$

Hence, the equation of the parabola is:

$y=-0.215x^2+35$

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3 years ago