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ahrayia [7]
3 years ago
6

Which equation could you use to solve for x in the proportion StartFraction 4 over 5 EndFraction = StartFraction 9 over x EndFra

ction?
4 x = 14
4 x = 45
5 x = 13
5 x = 56
Mathematics
1 answer:
4vir4ik [10]3 years ago
5 0

Answer:

It is b :)

Step-by-step explanation:

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Can you draw different functions that have the same x-intercepts and the same domain and range?
iogann1982 [59]
I'm pretty sure the answer is no.  A function looks like this: f(x) = mx + c.  Let's add another function, f(y) = ny + d.  If the x-intercept is the same, we can subtract c and d from their respective equations. f(x) = mx, f(y) = ny. If the domains are the same, then x and y can have the same value, so we divide it out. f(x) = m, f(y) = n.  Finally, if the ranges are the same, the value of f(x) = f(y).  So by the substitution property, m=n.  Since all the variables equal each other, both functions are equal to f(x) = mx+c!  Therefore, they can only be the same function.

Answer: No
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3 years ago
Two numbers have a sum of 77. If one number is p, express the other number in terms of p.
zhannawk [14.2K]

Answer: 77-p

Step-by-step explanation:

o=other number

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3 0
1 year ago
Suppose the graph of a cubic polynomial function has the same zeroes and passes through the coordinate (0, –5).
Alexeev081 [22]
Zeros are the x values which make the function equal to zero. Set it up as you would for a binomial with a constant multiplier "k" to account for the y-intercept (0, -5) given.

f(x) = k(x-2)(x-3)(x-5)

Use the y-intercept (0,-5) to solve for k.

-5 = k(0-2)(0-3)(0-5)
-5 = -30k
-5/-30 = k
1/6 = k


The cubic polynomial function is then ..

f(x) = (1/6)(x-2)(x-3)(x-5)
 

Linear factors are the linear (line) expressions you can factor out of the polynomial. They are (x-2), (x-3) and (x-5).


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2 years ago
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ritvik tosses a ball from where he stands on a balcony to his friend on the ground. the height, in feet, of the ball can be repr
schepotkina [342]

Answer:

"what" (and any subsequent words) was ignored because we limit queries to 32 words.

4 0
2 years ago
Answer the question below. The Smiths want to buy a 9 ft. by 12 ft. carpet and center it in a 15 ft. by 20 ft. room. What is the
schepotkina [342]
The perimeter of the carpet is determined by its dimensions so the dimensions of the room are irrelevant to the question.

P=2(x+y) where x and y are the dimensions, here x and y equal 9 and 12 ft so

P=2(9+12)

P=2(21)

P=42 ft
8 0
2 years ago
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