3 years ago

You deposit $50 in your savings account. One week later, you withdraw $20. Write each amount as an integer

Mathematics

1 answer:

Novosadov [1.4K]3 years ago

5 0

0.20

i really dont know

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What is the mixed number for 51/9

Setler79 [48]

5 2/3 is the answer to your question

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Jenny walks 2 meters per second. How far can she walk in 9 seconds?

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Step-by-step explanation:

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4 years ago

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Find all the zeros of 2x4+x3-14x2-19x-6 two of its zeros are -2 and -1

GalinKa [24]

Answer:

$-2,\ -1,\ -\dfrac{1}{2},\ 3.$

Step-by-step explanation:

Consider polynomial $2x^4+x^3-14x^2-19x-6.$

If x=-2 is its zero, then you can divide the polynomial $2x^4+x^3-14x^2-19x-6$ by $x+2$ and get

$2x^4+x^3-14x^2-19x-6=(x+2)(2x^3-3x^2-8x-3).$

If x=-1, then the polynomial $2x^4+x^3-14x^2-19x-6$ can be rewritten as

$2x^4+x^3-14x^2-19x-6=(x+2)(x+1)(2x^2-5x-3).$

The quadratic polynomial has roots

$x_{1,2}=\dfrac{-(-5)\pm\sqrt{(-5)^2-4\cdot2\cdot(-3)}}{2\cdot 2}=\dfrac{5\pm \sqrt{25+24}}{4}=\dfrac{5\pm \sqrt{49}}{4}=3,-\dfrac{1}{2}.$

Then the polynomial $2x^4+x^3-14x^2-19x-6$ has zeros $-2,\ -1,\ -\dfrac{1}{2},\ 3.$

7 0

3 years ago

Can somebody please help me please!!!!

SIZIF [17.4K]

You just multiply each of the coordinates by the scale factor. No extra work since it’s from the origin.
Doing this gives:
J’ (2.5 , 10)
K’ (15 , 10)
L’ (15 , 2.5)
M’ (2.5 , 2.5)

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3 years ago

Order -12,|-25|,-10,18,<br> |29|,and 5 from greatest to least <br> It's a little more difficult

yanalaym [24]

29, 18, 5, -10, -12, -25

Hope this helped :)

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3 years ago

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