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Nastasia [14]
2 years ago
8

(За + 2b) (2а — b) HELP ME PLEASE

Mathematics
1 answer:
bazaltina [42]2 years ago
7 0

Answer:

6a^2 + ab - 2b^2

Step-by-step explanation:

[insert something smart]

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F i n d space t h e space s l o p e space g i v e n space t o space p o i n t s. space space m space equals space fraction numer
gulaghasi [49]

Answer:

The correct option is 3.

Step-by-step explanation:

If a line passes through to points (x_1,y_1) and (y_1,y_2), then the slope of line is

m=\frac{y_2-y_1}{x_2-x_1}

Given points are (4,-7) and (6,3).

The slope between given points is

m=\frac{3-(-7)}{6-4}

m=\frac{3+7}{2}

On further simplification we get

m=\frac{10}{2}

m=5

Therefore the correct option is 3.

6 0
3 years ago
Calculate the area of the shaded sector.<br><br> 11.73<br><br> 11.2<br><br> 11.4<br><br> 11.83
laiz [17]
The formula for the area of a circle is

A=πr²
plug in the data we know
A=π4²
A=16π

Since we only we need to find the area of the shaded section, we need to twerk this equation a bit. (remember that the shaded section is 84/360 of the original circle.)

A=84/360*16π
A=11.728
A=11.73 units²


answer: <span>A=11.73 units²</span>
4 0
3 years ago
Answer? 225 or 300?
saveliy_v [14]
-7(x+y=525)-7
3x+7y=2775

-7x-7y=-3675
3x+7y=2775

-4x=-900
X=-900/-4
X=225
Answer is c
6 0
3 years ago
Do even numbers have more factors in odd numbers or do i numbers have more factors than even numbers
Serggg [28]
<span>It is because even numbers always have a factor of two, and therefore, larger composite even numbers will have factors of two and other even numbers based around two, such as 4, 8, 16, 32, and so on. On the other hand, numbers which are odd can have factors of 3, 5, and 7 for example, and their numbers based around them(3, 9, 27; 5, 10, 15; 7, 49, 343; and so on). If we look into it, notice how for odd numbers the space between the numbers based around 3, 5, and 7 are increasingly further apart. This is the reason why less large odd integers to have numerous factors. It is because odd numbers cannot have the prime factor 2, this will reduce their factor number. And is is also because even numbers are already divided by 2, this will give them more factors over the odd numbers.</span>
4 0
3 years ago
What is equivalent to 8/9 divided by 3/4
Pavel [41]

Answer:

Dividing by a fraction is the same as multiplying with the opposite of the fraction. 8/9 / 3/4=8/9×4/3=32/27=1 5/27.

Step-by-step explanation:

3 0
3 years ago
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