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vaieri [72.5K]
3 years ago
11

What verbal expression is the same as the algebraic expression below?

Mathematics
1 answer:
swat323 years ago
5 0

Answer:

D

Step-by-step explanation:

3x=3(x)

x is an unknown number which there is no value.when there is number next to it.it will become times

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Which polynomial is in standard form?
Tamiku [17]

Answer:

D). 5x^7y^2+7x^6y^5-14x^3y^7+51x^2y^9

Step-by-step explanation:

For better clarity let us re write the options

A).2xy^3+3x^3y^4-4x^4y^5+9x^5y^6

B).8x^5-5y^4-2xy^5+x^2y

C).x^3y^2-3x^2y-9x^4y^3+11x

D).5x^7y^2+7x^6y^5-14x^3y^7+51x^2y^9

To express polynomial with mixed variables in standard form, we begin by the highest coefficient of x to the smallest (we place high precedence on the coefficient  x terms)

5 0
3 years ago
Use the exponential regression equation y=1.63(1.84)x to estimate the value of y when x = 5.
Karo-lina-s [1.5K]
If my memory does not remember wrong you have to multiply 1.63x1.84=2.9992 after this you have y=2.9992x, you have to substituted the x for 5 y=2.9992(5) and that will equal to y=14.996 and rounded will be 15 hope I was able to help
5 0
3 years ago
How can (25√)^2 be rewritten?
Nesterboy [21]

Answer:

25

Step-by-step explanation:

Sqrt 25 = 5

5^2 = 25

6 0
3 years ago
Read 2 more answers
2. Kendall wants to buy 8 cans of cat : 8.
GREYUIT [131]

Answer: $11.44

Step-by-step explanation:

I divided 4.29 by 3 which was $1.43 then i multiplied it by 8 to get $11.44

3 0
3 years ago
Read 2 more answers
A normal distribution has a mean of 15 and a standard deviation of 2. Find the value that corresponds to the 75th percentile. Ro
Sonbull [250]

Answer:

16.35

Step-by-step explanation:

Using an inverse normal distribution, we can calculate the z score given the percentile, which can then be used to find our value.

First, we can use an inverse normal distribution calculator to figure out that the z score given the 75th percentile is 0.674.

Next, we know that the z score is (observed value - mean) / standard deviation. We can plug our values in to get

\frac{x-15}{2} = z\\\frac{x-15}{2} = 0.674\\x-15 = 0.674 * 2\\x = 0.674 * 2 + 15\\x=  16.348

Rounding, we get x = 16.35 as our answer

5 0
3 years ago
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