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leonid [27]
3 years ago
7

Which is bigger two thirds or seven eights

Mathematics
2 answers:
lys-0071 [83]3 years ago
4 0
Let's compare apples to apples by finding a common denominator...

2/3
7/8

3×8 = 24 we'll use that

You multiply 3 by 8 to get 24 in the denominator, so multiply the numerator by the same amount...

2/3 × 8/8 = 16/24

Do the same with the other fraction but multiply by 3...

7/8 × 3/3 = 21/24

Now we can compare...

16/24 is less than 21/24 so 2/3 is less than 7/8.
Maslowich3 years ago
3 0
Seven eigths, because if you divide 7/8 you get 0.875 and that is bigger  that dividing 2/3 and getting 0.3333333...
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Please help with these problems! Will mark answer as brainliest and give 30 points. You have to show your work for each problem.
gulaghasi [49]

Answer:

1) (2x + 2)(x + 2)

2)  2(x + 1)(x - 1)

3) (x^2 + 3)(x^2 - 3)

4) 2x(x + 5)(x - 2)

5) (5x + 2y)(5x - 2y)

Step-by-step explanation:

1)

2x^2 + 6x + 4

= 2x^2 + 4x + 2x + 4

= 2x(x + 2) + 2(x + 2)

= (2x + 2)(x + 2)

2)

2x^2 - 2

= 2(x^ 2 - 1) (The difference of two squares)

= 2(x + 1)(x - 1)

3)

x^4 - 9 (The difference of two squares)

=(x^2 + 3)(x^2 - 3)

4)

2x^3 + 6x^2 - 20x

= 2x(x^2 + 3x - 10)

= 2x(x + 5)(x - 2)

5)

25x^2 - 4y^2         (The difference of two squares)

= (5x + 2y)(5x - 2y)

4 0
3 years ago
NEED HELP ASAP 15 POINTS
NeX [460]
Use the app Socratic it helps!!
4 0
3 years ago
Simplify the product -3x(x^2+3x-1)
stepladder [879]

Answer:

Hii, okay so the answer is, -3x^3-9x^2-1

Hope this helps!

Step-by-step explanation:

7 0
2 years ago
Which is the equation of a line that has a slope of -2/3 and passes through point (–3, –1)?
emmainna [20.7K]

Answer:

y = (-2/3)x-3

Step-by-step explanation:

Hello:

equation is the line is : y = ax+b        a is a slope

y = (-2/3)x+b

passing through the point (−3;−1) :   -1 =(-2/3)(-3)+b    so : b = -3

y = (-2/3)x-3

second solution : you can verify (-3 ; -1) in the equation : y = (-2/3)x-3

3 0
3 years ago
Please help Ill give brainy pleas help please -
mars1129 [50]
The answer to this is a=3
4 0
2 years ago
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