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3 years ago

4.25 × 103 + 0.50 × 103 + 0.25 × 103 =

Mathematics

2 answers:

Cerrena [4.2K]3 years ago

8 0

Your final answer will be 515

Dahasolnce [82]3 years ago

3 0

Answer:

The answer is 515

Step-by-step explanation:

When doing these sorts of problems, you use "PEMDAS" which tells u what should be done first. That's the best way.

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If the following is an exponential growth function, f(x)=3(A)^x , what can the value of A be? Select all that apply.

mixer [17]

The answer can either be 1.25 or 2. As long as the value of A is greater than 1, the function is an exponential growth function.

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3 years ago

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Determine the solution for x^2+2x+8

irakobra [83]

Answer:

$x=-1-i\sqrt{7}$ , $-1+i\sqrt{7}$

Step-by-step explanation:

$x=\frac{-b+\sqrt{b^2-4ac} }{2a}$

$x=\frac{-b-\sqrt{b^2-4ac} }{2a}$

Here a=1, b=2 and c=8

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3 years ago

For the given decimal −0.009, find the two integers closest to it.

asambeis [7]

Answer:

The two integers closest to -0.009 are -1 and 0

Step-by-step explanation:

we have the number

$-0.009$

Convert to fraction number

$-0.009=-\frac{9}{1,000}$

In a number line

$-\frac{1,000}{1,000} < -\frac{9}{1,000}$

Remember that

$-\frac{1,000}{1,000}=-1\\\frac{0}{1,000}=0$

$-1 < -\frac{9}{1,000}$

therefore

The two integers closest to -0.009 are -1 and 0

7 0

3 years ago

Does the table represent y as a function of x? justify your answer <br><br> pleaseee helpp!!

Leno4ka [110]

Answer:

No it doesn't.

Step-by-step explanation:

In order for y to represent a function of x, no two x values can have the same y values. Basically x causes y and if y is the same under two different x values then the table isn't true. You can also use the vertical line test to ensure you are correct. I may not be correct but I believe I am

6 0

3 years ago

A rectangular plot of ground is 30 meters longer than it is wide. its area is 10,000 square meters.

dimulka [17.4K]

A = W· L
10,000 = W ( W +30 ) = W² + 30 W
W² + 30 W - 10,000 = 0
W = $\frac{-30+ \sqrt{900+40000} }{2}= \frac{-30+202.24}{2} = 86.12$
L = 86.12 + 30 = 116.12
Width of a plot is 86.12 m and lenght is 116.12 m.
Check : A = 116.12 · 86.12 ≈ 10,000

6 0

3 years ago