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4 years ago

Write 4% as a fraction or mixed number

Mathematics

2 answers:

Leona [35]4 years ago

8 0

Answer:

4/100 or 2/50 or 1/25.

Step-by-step explanation:

Harrizon [31]4 years ago

4 0

Answer: 4/10

Hope this helps!

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Question 3 (Multiple Choice Worth 6 points)

Alik [6]

Answer:

negative 9 plus or minus the square root of 17 divided by 8

Step-by-step explanation:

move all terms to one side

4x^2 + 9x + 4= 0

Use the quadratic formula

and you get negative 9 plus or minus the square root of 17 divided by 8

4 0

3 years ago

Derivative of these questions

shtirl [24]

Answer: $\bold{y'=\dfrac{1}{2(a-b)^2}\bigg(\dfrac{1}{\sqrt{x+a}}+\dfrac{1}{\sqrt{x+b}}\bigg)}$

Step-by-step explanation:

$y=\dfrac{1}{\sqrt{x+a}-\sqrt{x+b}}\\\\\\\text{Rationalize the denominator:}\\y=\dfrac{1}{\sqrt{x+a}-\sqrt{x+b}}\bigg(\dfrac{\sqrt{x+a}+\sqrt{x+b}}{\sqrt{x+a}+\sqrt{x+b}}\bigg)\\\\\\y=\dfrac{\sqrt{x+a}+\sqrt{x+b}}{x+a-x-b}\\\\\\y=\dfrac{\sqrt{x+a}+\sqrt{x+b}}{a-b}\\\\\\\text{Apply the derivative (derivative of the numerator (top) divided by the}\\\text{denominator (bottom) squared).}$

$\text{Derivative of }\sqrt{x+a}\quad \rightarrow \quad (x+a)^{\frac{1}{2}}\quad = \quad \dfrac{1}{2}(x + a)^{-\frac{1}{2}}\\\\\text{Derivative of }\sqrt{x+b}\quad \rightarrow \quad (x+b)^{\frac{1}{2}}\quad = \quad \dfrac{1}{2}(x + b)^{-\frac{1}{2}}\\\\\\\text{Derivative of}\ \dfrac{\sqrt{x+a}+\sqrt{x+b}}{a-b}:\\\\= \dfrac{\dfrac{1}{2}(x + a)^{-\frac{1}{2}}+\dfrac{1}{2}(x + b)^{-\frac{1}{2}}}{(a-b)^2}$

$\text{Factor out }\dfrac{1}{2}\ \text{from the numerator:}\\\\\dfrac{(x+a)^{-\frac{1}{2}}+(x+b)^{-\frac{1}{2}}}{2(a-b)^2}\\\\\\\text{Move the terms with negative exponents to the denominator:}\\\\=\dfrac{1}{2(a-b)^2}\bigg(\dfrac{1}{\sqrt{x+a}}+\dfrac{1}{\sqrt{x+b}}\bigg)$

3 0

4 years ago

-2(bx - 5) = 16 What’s does b and x equal?

horrorfan [7]

To solve this problem you must apply the proccedure shown below:
You have the following equation given in the problem above:
-2(bx - 5) = 16
 When you solve for bx, you have:
-2(bx - 5) = 16
-2bx-10=16
-2bx=26
bx=26/-2
bx=-13

When you solve for b, you obtain:
-2(bx - 5) = 16
-2bx=26
b=-(26/2x)

When yoo solve for x:
2bx=26
x=-(26/2b)

3 0

3 years ago

How many 3/4 cups are in 6 cups of container of ceral

Kitty [74]

There are 8 3/4 cups in 6 cups of cereal because 3/4 times 8 equals 6

8 0

3 years ago

Find the smallest number that is exactly divisible by 144 192 and 168

svlad2 [7]

Answer:

2 is your answer. hope helpful answer

3 0

3 years ago