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Rom4ik [11]
3 years ago
5

Multiply the binomials: (x + 3y) (3x - 2y)

Mathematics
1 answer:
4vir4ik [10]3 years ago
7 0

multiply the binomials:

(x + 3y) (3x - 2y)

Answer:

Simplify the expression:

3x^2+7xy−6y^2

Steps:

3x·2+7xy-6y·2

Multiply the numbers: 3·2=6

=6x+7xy-6·2y

Multiply the numbers: 6·2=12

=6x+7xy-12y

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Svet_ta [14]
1day=\frac{1}{7}week\\\\4\ bags\ for\ 1\ week\\
x\ bags\ for\ \frac{1}{7}\ week\\\\
cross\ multipliction:\\
4*\frac{1}{7}=x\\
x=\frac{4}{7}\\\\
In\ one\ bag\ there\ is\ \frac{3}{5}kg\ of\ corn\\
In\ \frac{4}{7}\ of\ bag\ there\ is:\\
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He \ need\ \frac{12}{35}kg\ of\ corn\ each\ day.

3 0
3 years ago
Which graph can be used to find the solution(s) to x ^ 2 - 1 = x + 1 ?
NikAS [45]

Step-by-step explanation:

Step 1 - Separate LHS and RHS of the given polynomial.

--- (1)

y = x + 1 --- (2)

Step 2 - Draw the graph of a line (y = x + 1) that passes through the points (-1,0) and (0,1).

Step 3 - Now, draw the graph of the equation (1). The shape of this graph is the upward parabola.

Step 4 - The two graphs intersect each other at (-1,0) and (2,3).

From the above steps, it can be concluded that the correct option is C).

8 0
3 years ago
A farmer sells 8.8 kilograms of apples and pears at the farmer's market. 1 4 of this weight is apples, and the rest is pears. Ho
Olenka [21]

Answer: She sold 6.6kg of pears in the market.

Step-by-step explanation:

 Weight of apples and pears at the farmer's market.=8.8 kilograms

Weight of apples = 1/4

which is = 1/4 x 8.8kg = 2.2 kg

Weight of Pears =Weight of apples and pears - Weight of apples

= 8.8kg- 2.2kg

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5 0
3 years ago
What is the difference between denominator and numerator?Why do I need to know the difference between the two?
Zielflug [23.3K]

Answer: the numerator is the top number(s) and the denominator is the bottom number(s)

Step-by-step explanation:

7 0
3 years ago
Here is a set of numbers , 10,10,10,10,11,12,13,15,17,find the mode, the median , the mean b there is a mistake in the set of nu
Georgia [21]

First, find the mode, median, and mean of the given set of numbers.

<u>Mode</u>

The mode is the number that shows up frequently within the given set. In this case, it will be 10, as it shows up 4 times, 3 times more than any other number.

Mode: 10

~

<u>Median</u>

The median is the number that is in the middle of the given set. In this case, there are 9 numbers, and so the 5th given number is your median:

10 , 10 , 10 , 10 , 11 , 12 , 13 , 15 , 17

Median: 11

~

<u>Mean</u>

The mean is combining all numbers within the given set and dividing by the amount of numbers in that said set:

(10 + 10 + 10 + 10 + 11 + 12 + 13 + 15 + 17)/9 = 108/9 = 12

Mean: 12

7 0
3 years ago
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