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2 years ago

HELP NEEDED IMMEDIATELY

Mathematics

1 answer:

VMariaS [17]2 years ago

3 0

Answer:

Step-by-step explanation:

B:Convert the fractional part only then add it to the whole number.

C : 9 1/2,3π,92/5,91/10

B : √26,5.5,5.8,31/5

B: -7,20/3, 7.1 ,√51 , 6π

C: -π , -√5 , -3/2,-1.03

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I need help with three and four

mart [117]

Answer:

3: $a^{2}+2ab+b^{2}$

4: $8x^{3} -12x^{2}+6x-1$

Step-by-step explanation:

Question 3 can be re-written as:

$(a+b)(a+b)$

which equals:

$a^{2}+2ab+b^{2}$

Question 4 can be re-written as:

$(2x-1)(2x-1)(2x-1)$

Doing the first 2 brackets gives us:

$(4x^{2} -4x+1)(2x-1)$

Expanding these two:

$8x^{3} -4x^{2} -8x^{2} +4x+2x-1$

Simplifying it:

$8x^{3} -12x^{2}+6x-1$

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2 years ago

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Please help ASAP. Find the volume of the trapezoid as a simplified expression. If correct I will give brainliest.

Leokris [45]

Answer:

2x^2*(2x^3+8x^2+2x) or

4x^5+16x^4+4x^3

Step-by-step explanation:

A=[2x^3-x+(8x^2+3x)]*4x^2/2=2x^2*(2x^3+8x^2+2x)

or A=4x^5+16x^4+4x^3

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2 years ago

Lily buys a sweater that is on sale for $42, which is 75% of the original price of the sweater. What was the original price of t

meriva

So first sivid 42 by 3 to get 14. Then multiply 14 by 4 to get 56. So the answer is C

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3 years ago

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What is the range of this function?

nataly862011 [7]

Answer:

{-4,-1,1,4,7,8,15,18}

Step-by-step explanation:

The range of this function is a universal set that contains all elements of each set

And is;

{-4,-1,1,4,7,8,15,18}

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3 years ago

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5^x=62 Giving 20 points!

Dmitry [639]

Answer:

x = 2.564 ( to 3 dec. places )

Step-by-step explanation:

Using the rule of logarithms

log $x^{n}$ ⇔ n logx

Given

$5^{x}$ = 62 ( take the ln of both sides )

ln $5^{x}$ = ln 62, that is

x ln5 = ln 62 ( divide both sides by ln 5 )

x = $\frac{ln62}{ln5}$ ≈ 2.564

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2 years ago

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