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Dominik [7]
1 year ago
10

Express the product of 2x^2+7x-10 and x+5 in standard form

Mathematics
1 answer:
zimovet [89]1 year ago
4 0

Answer:

2x³+17x²+25x-50

Step-by-step explanation:

Standard Form: All your numbers and variables in order of the highest exponent.

(2x²+7x-10)(x+5)

We want to distribute x and 5 to every single value.

2x³+7x²-10x+10x²+35x-50

Simplify.

2x³+17x²+25x-50

This is standard form because the highest values are on the left (x³ is larger than x²).

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Answer:

(a) 1, 2, 3, 6, 8

Step-by-step explanation:

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Required

The sequence of hours worked each day

<em>See attachment for options</em>

From the question, we understand that:

Median = 3

This means that, the middle number is 3 (when sorted)

So, we can conclude that (b) and (c) cannot be true because their middle numbers are 6 and 5 respectively

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The mean of a data is calculated as:

\bar x = \frac{\sum x}{n}

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(a)

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