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Vaselesa [24]
2 years ago
15

(x² + 6x − 16)(x − 2) = ax³ + bx² + cx + d

Mathematics
1 answer:
stellarik [79]2 years ago
3 0
B is the right answer to this question
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The volume of a 10 ounce box of cheerios is 258.75in3. the length of the box is 4 inches less than the height and the width is 3
Marina86 [1]

Answer:

Height of the box = 11.5 in

Step-by-step explanation:

Let h be the height of the box.

Assuming the volume of the Box is 258.75\ in^3.

Given:

Length = Height - 4 = h - 4

Width = 3 in

We need to find the height of the box.

Solution:

We know that the volume of the box.

Volume = Length\times height\times width

Substitute all given value in above formula.

258.75 = (h-4)\times h\times 3

Rewrite the equation as:

258.75 = 3h(h-4)

258.75 = 3h^2-12h

3h^2-12h-258.75=0

whole equation divided by 3.

h^2-4h-86.25=0

Use quadratic formula with a = 1, b = -4,c=-86.25

h=\frac{-b\pm \sqrt{(b)^{2}-4ac}}{2a}

Put these a, b and c value in above equation.

h=\frac{-(-4)\pm \sqrt{(-4)^{2}-4(1)(-86.25)}}{2(1)}

h=\frac{4\pm \sqrt{16+345}}{2}

h=\frac{4\pm \sqrt{361}}{2}

h=\frac{4\pm 19}{2}

For positive sign

h=\frac{23}{2}  

h = 11.5 in

For negative sign

h=\frac{-15}{2}

h = -7.5

We take positive value of h.

Therefore, the height of the box h = 11.5 in

4 0
3 years ago
Approximately how many times greater is 4×107 than 8×103 ?
guajiro [1.7K]
The answer is C. 5000
4 0
3 years ago
Read 2 more answers
It takes you 45 minutes to wash a car
tangare [24]

Answer:

37.5 minutes

Step-by-step explanation:

45+30=75

=<u>7</u><u>5</u><u> </u>=37.5

2

This might help you!!!!

6 0
2 years ago
Read 2 more answers
The product of 11 and 5 times a number mutplied by 4
Vlada [557]
11 + 5 x 4a


Hope this helps! Do you need an explanation?
3 0
3 years ago
10) pls help i’ll give 20 points :)
NikAS [45]

Answer: The blank space in the equation is 4.

Step-by-step explanation: -6 x +2 is -12. -48/-12 is 4. Therefore, the blank space in the equation is 4.

3 0
3 years ago
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