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kvasek [131]
3 years ago
5

Can you make 1000using only 8's

Mathematics
2 answers:
soldier1979 [14.2K]3 years ago
6 0
Yes, the expression to answer that is 1,000 divided by, the answer is 125.
Flura [38]3 years ago
5 0
(8 × 8 × 8) + (8 × 8 × 8) - (8 + 8 + 8)
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What is the value of x to the nearest tenth ? <br><br> A.) 4.7<br> B.) 21.4<br> C.) 0.5
lara31 [8.8K]
I will say that is B) i'm not sure
7 0
3 years ago
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Candace bought 5 magazines. Her total bill came to $8.75. If all the magazines cost the same amount, what was the cost of one ma
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The answer would be 1.75
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2 years ago
F(x)=9 x^{3} +2x^2-5x+4 and g(x)=5x^3-7x+4. What is f(x)-g(x)? Show all of your steps and write your finial answer in factored f
olasank [31]

Answer:

{ -0.5 - √2,  0,  -.5 + √2 }

Step-by-step explanation:

Let's rewrite these two functions in a vertical column:

 f(x)=9 x^{3} +2x^2-5x+4

-g(x)=5x^3-7x+4

Now combine (through subtraction) like terms, in order of descending powers of x:

f(x) - g(x) = 4x^ 3 + 2x^2 + 2x

Let's do some preliminary factoring here.  Factor 2x out of each term, obtaining

f(x) - g(x) = 2x(2x^2 + x + 1)

First setting 2x = 0, we find that x = 0 is one solution.

Applying the quadratic formula to 2x^2 + x + 1, we see that a = 2, b = 1 and c = 1.  Then the two roots of this quadratic are:

      -1 plus or minus √(1^2 - 4(2)(1) )        -1 ± √(8)

x = ----------------------------------------------- = ---------------

                         2(1)                                         2

This simplifies to:

      -1 plus or minus √(1^2 - 4(2)(1) )        -1 ± 2√(2)

x = ----------------------------------------------- = ---------------

                         2(1)                                         2

Thus, the roots of f(x) - g(x) are { -0.5 - √2,  0,  -.5 + √2 }

7 0
3 years ago
To the nearest tenth, what is the distance between the point (10, -11) and (-1, -5)
Eva8 [605]

Answer:

The distance will be in centimeters

Step-by-step explanation:

You will do the multiply and subtract

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3 years ago
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saveliy_v [14]

Answer:

Step-by-step explanation:

You would do 10*0.06 to get 0.6

So her sold 60 cents worth of balloons

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3 years ago
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