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Ira Lisetskai [31]

3 years ago

5

Need answers for Question 5 and 6

1 answer:

dexar [7]3 years ago

4 0

Answer:

5. A 6. B

Step-by-step explanation:

5. there are 4 letters out of 12 cards, so the probability is 4/12, which equals 1/3

6. there are two J cards out of 12 cards, so the probability is 2/12. which equals 1/6

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Perform the indicated operation.<br> h(n)=n-3<br> g(n)=-2n² + 2<br> Find (hºg)(n)

Anni [7]

Step-by-step explanation:

$h(n) = n - 3 \\ g(n) = - 2 {n}^{2} + 2 \\ \\ (h.g)(n) = h(n).g(n) \\ = (n - 3).( - 2 {n}^{2} + 2) \\ = n( - 2 {n}^{2} + 2) - 3( - 2 {n}^{2} + 2) \\ = - 2 {n}^{3} + 2n + 6{n}^{2} - 6 \\ \red{\boxed {\bold{\therefore \: (h.g)(n) = - 2 {n}^{3}+ 6{n}^{2} + 2n - 6}}}$

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2 years ago

Nathan and Steven stacked boxes on a shelf. Nathan lifted 13 boxes and Steven lifted 15 boxes. The boxes that Nathan lifted each

diamong [38]

I would have to go with C. i might be wrong hope its right if it is rate please

3 0

3 years ago

Joe builds a toy house in the shape of a rectangular prism. If he paints each of its faces with a different color of paint, how

BabaBlast [244]

He will need 6 different colors

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3 years ago

Is the product of 12 and

yKpoI14uk [10]

Answer: The product of 12*3/4 is less than 12

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5 0

2 years ago

What are the zeros of the quadratic function f(x) = 2x2 – 10x – 3?

sesenic [268]

we have

$f(x)=2x^{2}-10x-3$

we know that

To find the zeros of the quadratic equation equate to zero

$2x^{2}-10x-3=0$

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$2x^{2}-10x=3$

Factor the leading coefficient

$2(x^{2}-5x)=3$

Complete the square. Remember to balance the equation by adding the same constants to each side.

$2(x^{2}-5x+6.25)=3+12.5$

$2(x^{2}-5x+6.25)=15.5$

Rewrite as perfect squares

$2(x-2.5)^{2}=15.5$

$(x-2.5)^{2}=7.75$

$(x-2.5)=(+/-)\sqrt{7.75}$

$(x-2.5)=(+/-)2.78$

$x1=(+)2.78+2.5=5.284$ or $x1=\frac{\sqrt{31}}{2} +2.5$

$x2=(-)2.78+2.5=-0.284$ or $x2=-\frac{\sqrt{31}}{2} +2.5$

therefore

<u>the answer is</u>

$x1=5.284$ or $x1=\frac{\sqrt{31}}{2} +2.5$

$x2=-0.284$ or $x2=-\frac{\sqrt{31}}{2} +2.5$

see the attached figure to verify

3 0

3 years ago

Read 2 more answers