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Anettt [7]
3 years ago
12

What is 21 as a decimal and prevent

Mathematics
2 answers:
qwelly [4]3 years ago
5 0
That would be 2.1 because if it's in decimal it's 2.1
mafiozo [28]3 years ago
3 0
21.0 and 2100% idk if that’s ur question tho
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What is f(x) in the expression?​
gulaghasi [49]

f(x) = 7x {}^{2}  - 3x {}^{4}

8 0
2 years ago
Benjamin has enough icing to cover a 12-square-foot cake. He wants to use the icing to cover 2 equal-sized cakes. Which expressi
nirvana33 [79]

Answer:

       x^2=6ft^2\\\\x=\sqrt{6ft^2} \\\\x=\sqrt{6}ft

Explanation:

The area of each of the 2 equal-sized cakes shall be half of 12 ft²:

  • 12 ft² / 2 = 6 ft²

The area of a square shape is equal to the side length squared. Naming x the side length, you have the expression for the side length:

       area=x^2\\\\x^2=6ft^2\\\\x=\sqrt{6ft^2} \\\\x=\sqrt{6}ft

7 0
3 years ago
What is the difference x/x^2-16-3/x-4
kenny6666 [7]

General Idea:

When simplifying a rational expression, we need to do the below steps:

(i) Factor the Denominator of each fraction

(ii) Identify the Least Common Denominator (It is the product of prime factors involved with its highest exponent)

(iii) Identify and rewrite the equivalent fraction with the desired LCD.

(iv) Once the denominator are same, Combine the numerator.

Applying the concept:

What is the difference x/x^2-16-3/x-4

I assume that you mean to type the expression \frac{x}{x^{2}-16}  -\frac{3}{x-4}

Step 1: Factoring x^{2} -16

x^{2} -16=x^{2} -4^{2} =(x+4)(x-4)

Step 2: Identifying the LCD, we get (x+4)(x-4)

Step 3: Rewriting the second fraction by multiplying x+4 on both top and bottom of second fraction so that we get the LCD.

\frac{x}{x^2-16}-\frac{3}{x-4}=\frac{x}{(x+4)(x-4)}   -\frac{3*(x+4)}{(x-4)*(x+4)} Step 4: Combine like terms since the denominators are same[tex] \frac{x-3(x+4)}{(x+4)(x-4)} =\frac{x-3x-12}{(x+4)(x-4)}=\frac{-2x-12}{(x+4)(x-4)} =\frac{-2(x+6)}{(x+4)(x-4)}

Conclusion:

In factored form the simplified expression =\frac{-2(x+6)}{(x+4)(x-4)}

In expanded form the simplified expression =\frac{-2x-12}{x^2-16}

8 0
3 years ago
Schoolyard has an area of 3,564ft.² the section that is in the shape of a triangle is just for picnic table and what is the area
asambeis [7]

Answer:

The area of the section for the picnic tables is 1,188\ ft^{2}

Step-by-step explanation:

we know that

The area of the schoolyard is equal to the area of a rectangle plus the area of a triangle

so

3,564=44*(2x-x)+\frac{1}{2}(2x-x)*44\\ \\3,564=44x+22x\\\\3,564= 66x\\ \\x=54\ ft

The area of the triangle is equal to

22x=22*54=1,188\ ft^{2}

6 0
3 years ago
A customer service representative earns $13 an hour, and he works 52 hours a week. What is his weekly wage? A. $91 B. $364 C. $6
leva [86]



I'm pretty sure its c
You just multiply 13 and 52


















4 0
3 years ago
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