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2 years ago

How much Greater is 3/4 than 3/8?(Give me lots of answers I am marking Brainlliest)

2 answers:

muminat2 years ago

7 0

Hey there! :D

Make 3/4 have a denominator of 8.

3/4= 6/8

6/8-3/8= 3/8

3/4 is 3/8's bigger than 3/8.

I hope this helps!
~kaikers

irina [24]2 years ago

5 0

2 because you have to draw out a picture if not 5

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Use the distribuative property to create an equivalent expression to 40+4x

vovangra [49]

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3 years ago

alpha and beta are the zeros of the polynomial x^2 -(k +6)x +2(2k -1). Find the value of k if alpha + beta = 1/2 alpha beta(ITS

serious [3.7K]

Answer:

$k=\frac{-11}{2}$ .

Step-by-step explanation:

We are given $\alpha$ and $\beta$ are zeros of the polynomial $x^2-(k+6)x+2(2k-1)$ .

We want to find the value of $k$ if $\alpha+\beta=\frac{1}{2}$ .

Lets use veita's formula.

By that formula we have the following equations:

$\alpha+\beta=\frac{-(-(k+6))}{1}$ (-b/a where the quadratic is ax^2+bx+c)

$\alpha \cdot \beta=\frac{2(2k-1)}{1}$ (c/a)

Let's simplify those equations:

$\alpha+\beta=k+6$

$\alpha \cdot \beta=4k-2$

If $\alpha+\beta=k+6$ and $\alpha+\beta=\frac{1}{2}$ , then $k+6=\frac{1}{2}$ .

Let's solve this for k:

Subtract 6 on both sides:

$k=\frac{1}{2}-6$

Find a common denominator:

$k=\frac{1}{2}-\frac{12}{2}$

Simplify:

$k=\frac{-11}{2}$ .

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3 years ago

A desk is on sale for $438, which is 27% less than the regular price.<br> What is the regular price?

MrMuchimi

118.26 USD hope this helped

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2 years ago

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Step-by-step explanation:

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kolbaska11 [484]

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Convert 87% into a decimal(87/100):

$\sf 55.25\cdot 0.87$

Multiply:

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This is how much they'll mark it up, now let's add it to how much they bought it for to find out the selling price:

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2 years ago