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3 years ago

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Which of the following inequalities is equivalent to 5 > x?

1 answer:

Alexxx [7]3 years ago

3 0

Answer:

x < 5

Step-by-step explanation:

What 5 > x means is that the variable x takes values less than 5, we can notice that because the narrow part of the symbol is pointing towards x, which means x is smaller than 5.

Analyzing the options:

x> 5 this tells us that x takes values greater than 5, which in fact is the opposite of what we are looking for.

5 <x this also tells us that x takes values greater than 5, not what we are looking for.

x < 5 this option does represent the same as 5 > x because in both the narrow part of the symbol points to x, indicating that x is smaller than 5, therefore this is the correct option

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The equation πr²Gives the area,A of a circle with a radius,r,. Solve the function for π

max2010maxim [7]

The solution of the function for π is $\pi =\frac{A}{r^{2}}$

Step-by-step explanation:

The equation πr² gives the area A of a circle with a radius r

To Solve the function for π

Write the function
Keep π in one side and all other terms in other side by using any operation you need (+ , - , × , ÷)

∵ A = πr²

- You need to take r² from the right hand side to the left hand

side to keep π in the right hand side alone

∵ r² is multiplied by π

∴ Divide both sides by r²

∴ $\frac{A}{r^{2}}=\frac{\pi .r^{2}}{r^{2} }$

∴ $\frac{A}{r^{2}}=\pi$

- Switch the two sides

∴ $\pi =\frac{A}{r^{2}}$

The solution of the function for π is $\pi =\frac{A}{r^{2}}$

Learn more:

You can learn more about the functions in brainly.com/question/8243712

#LearnwithBrainly

6 0

2 years ago

1. Considere as funções f e g, ambas com domínio Z, dadas por f(x) = x²- 2x e g(x) = x³-1. Associe as colunas e assinale a alter

Greeley [361]

Answer:

(A)C,D,A,B

Step-by-step explanation:

$f(x) = x^2- 2x\\g(x) = x^3-1$

a)

$f(-2) = (-2)^2- 2(-2)\\=4-(-4)\\=4+4\\=8$ (C)$

b)

$g(-2) = (-2)^3-1\\\=-8-1\\=-9 $(D)$

c)

$f(-1) = (-1)^2- 2(-1)=1+2=3\\g(3) = (3)^3-1=27-1=26\\f(-1) + g(3)=3+26\\=29$ (A)$

d) f(5) : g(2)

$f(5) = (5)^2- 2(5)=25-10=15\\g(2) = (2)^3-1=8-1=7\\f(5) :g(2)=15/7$ (B)$

5 0

2 years ago

Which inequality best represents that ice cream at −3°C is cooler than ice cream at 1°C?

Ymorist [56]

Answer: Choice B

"ice cream at -3 degrees C is cooler than ice cream at 1 degree C"

-3 is smaller than 1

-3 < 1

Keep the order the same even though 1 > -3 is also possible, but fortunately this isn't listed.

7 0

3 years ago

iris [78.8K]

She paid $1.375 per pound of strawberries.

<u>What is the unit rate?</u>

When expressed rate as a fraction, a unit rate has a denominator of 1.

Since 4 pounds cost $5.50, 1 pound of strawberries will cost 5.50/ 4 ≈ $1.375.

To learn more about the unit rate from the given link

brainly.com/question/4895463

#SPJ1

3 0

1 year ago

Akira is folding a piece of paper that is 0.2 millimeters thick in half. The thickness of the paper doubles with each fold.

Pepsi [2]

Answer:

B. t(n) = 0.2(2)ⁿ

Step-by-step explanation:

Initial value is 0.2 and increase rate is powers of 2 as it doubles with each fold.

<u>Correct one is:</u>

t(n) = 0.2(2)ⁿ

3 0

3 years ago