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ozzi
3 years ago
14

Which of the following numbers are square numbers?

Mathematics
1 answer:
Zina [86]3 years ago
4 0

Answer:

9

Step-by-step explanation:

9 is the only number that has a whole number square root, 3.

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Coefficient of y^15x^2 in expansion of (y^3+x)^7
Hitman42 [59]
The coefficient of y∧15×∧2 in expansion of (y∧3+x)∧7 is (15×2)+(3×7)= 51
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3200 dollars is placed in an account with an annual interest rate of 8.25%. To the nearest tenth of a year, how long will it tak
Whitepunk [10]

Answer:

24.2 years

Step-by-step explanation:

The basic formula is I = P * i * t, where I is interest, P is total principal (or profit), i is rate of interest per year, and t is total time in years. I = P * i * t can be rearranged to solve for t: t = I / (i * p).

In this question I = $6400, P = $3200 and i = 8.25%, so we plug in those numbers to get t = 6400 / (0.0825 * 3200), which solves to 24.2424 years.

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A right triangle has an area of 36 square units. If you draw scaled copies of this traingle. What will the areas of these scaled
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3 years ago
A field goal kicker makes 4 of 5 extra points during a game . What percent of extra points were made
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80% of extra points were made.
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Which linear function is represented by a graph with a y-intercept of −16 ? y=−16x+1 y=16x−1 y=x−16 y=x+16
Romashka [77]

Answer:

y = x - 16

Step-by-step explanation:

The <em>y-intercept</em> is the value of the function when x = 0.

If f(x) = x - 16, f(0) = 0 - 16 = -16.

A is <em>wrong</em>, because f(0) = -16(0) + 1 = 0 + 1 = 1.

B is <em>wrong</em>, because f(0) =  16(0) + 1 = 0 + 1 = 1.

D is <em>wrong</em>, because f(0) =     0 + 16 = 16.

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3 years ago
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