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3 years ago

What’s the answer to the math problem? (3x+2)(2x2+x+3

Mathematics

1 answer:

sergey [27]3 years ago

8 0

${6x}^{3} + {7x}^{2} + 11x + 6$
factor out the function

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BRAINLIEST ASAP!!!!

ivanzaharov [21]

The graph of a quadratic equation is a U-shaped curved called parabola. It is because the parabola makes very easy to find the axis of symmetry to plot selected points and finding the roots and vertex.

Good luck :)

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3 years ago

Please help me compute standard deviation! Here is the problem, as written.

aleksandr82 [10.1K]

Answer:

The standard deviation for the income of super shoppers is 76.12.

Step-by-step explanation:

The formula to compute the standard deviation for the grouped data probability distribution is:

$\sigma=\sqrt{\sum [(x-\mu)^{2}\cdot P(x)]}$

Here,

x = midpoints

$\mu=\sum x\cdot P(x)$

Consider the Excel table attached below.

The mean is:

$\mu=\sum x\cdot P(x)=32.3$

Compute the standard deviation as follows:

$\sigma=\sqrt{\sum [(x-\mu)^{2}\cdot P(x)]}$

$=\sqrt{259.71}\\\\=76.1155204\\\\\approx 76.12$

Thus, the standard deviation for the income of super shoppers is 76.12.

3 0

3 years ago

An unknown number b is 10 more than an unknown number k. the number b is also k less than 8. the equations to find k and b are s

Dmitriy789 [7]

Just add the two equations together.
2b = 18
b = 18/2
b = 9

9 = k + 10
9 - 10 = k
k = - 1

6 0

3 years ago

Read 2 more answers

What is the value of a? 9

Vera_Pavlovna [14]

ΔBED and Δ DEC are similar (AAA). Therefore we have the proportion:

$\dfrac{a}{18}=\dfrac{4}{a}$ cross multiply

$a^2=(18)(4)\\\\a^2=72\to a=\sqrt{72}\\\\a=\sqrt{36\cdot2}\\\\a=\sqrt{36}\cdot\sqrt2\\\\\boxed{a=6\sqrt2}$

6 0

3 years ago

Create a number pattern that follows the rule "subtract 7."

il63 [147K]

Answer:

5, -2, -9, -16, ......

7 0

3 years ago