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3 years ago

3/8-1/4=? Answer ……..

Mathematics

2 answers:

Vlad1618 [11]3 years ago

5 0

Step 1: Find the LCD (Least Common Denominator)

The LCD between 4 and 8 is 8. Therefore, if I change all of the fractions to have a denominator of 8, the problem is as such:

3/8 - 2/8 = ?

Step 2: Subtract

3/8 - 2/8 = 1/8

Hope this helps!

OLga [1]3 years ago

5 0

Answer:

$\frac{1}{8}$ (1/8)

Step-by-step explanation:

<h2>1. The LCD & basics</h2>

8·1=8

4·2=8

LCD=8

If the denominator is multiplied, the numerator also has to be multipled by the same value.

<h2>2. Solving</h2><h2> $\frac{3}{8} -\frac{2}{8} =\frac{1}{8}$ </h2><h2> $\frac{1}{8}$ </h2><h2></h2>

Hope this helped! Please mark brainliest :)

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What represents the inverse of the function f(x)=4x

Yuki888 [10]

Answer:

$\frac{x}{4}$

Step-by-step explanation:

The given function is

f(x) = 4x

As we know

f(x) = y, which implies x= $f^{-1} (y)$

Therefore,

y = 4x

x = $\frac{y}{4}$

as x= $f^{-1} (y)$

So,

$f^{-1} (y) = \frac{y}{4}$

replacing y by x in the above expression

$f^{-1} (x) = \frac{x}{4}$

So our inverse function is $\frac{x}{4}$

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3 years ago

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6 0

3 years ago

I need the solution

Vikki [24]

Answer:

=3/4

Step-by-step explanation:

3 (c+d) 2c-2d

-------------- * -------------

(c-d) 8c+8d

Factor the right had term. The numerator can factor out a 2 and the denominator can factor out an 8.

3 (c+d) 2(c-d)

-------------- * -------------

(c-d) 8(c+d)

We can cancel the (c+d) in the numerator the left and the denominator on the right. We can cancel the (c-d) in the numerator on the right and the denominator on the left

3 2

-------------- * -------------

1 8

We can divide the fraction on the right by 2 on the top and bottom.

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4 years ago

An ice cream store sells 27 flavors of ice cream. Determine the number of 6 dip sundaes.

xz_007 [3.2K]

Answer:

$\large\boxed{\large\boxed{2.428678219969\times 10^{15}}}$

Explanation:

It is said that the <em>order is not considered</em>, meaning that the order does not matter. For instance, ABCDEF is equal to any combination of those same letters.

Thus, this problem deals with combinations, whose formula is:

$C(m,n)=\dfrac{m!}{n!\cdot (m-n)!}$

For <em>27 flavors of ice cream</em> and <em>6 dip sundaes</em>, m = 27 and n = 6:

$C(27,6)=\dfrac{27!}{6!\cdot (27-6)!}=\dfrac{27!}{6!\cdot 13!}=2.428678219969\times 10^{15}$

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4 years ago

Notes on how to subtract/add with scientific notation

fomenos

Answer:

1)Take the smallest power common

2) simply the bracket

3) multiply with the power taken common

Example:

5×10⁶ - 4×10³

Smaller power is 3, so take 10³ common:

10³[(5×10²) - 4]

10³[500 - 4]

10³(496)

496×10³

4.96×10⁵

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3 years ago