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3 years ago

Solve the inequality. 2(4+2x)>5x+5 O x5-2 O X2-2 x33 O X23

Mathematics

1 answer:

dimulka [17.4K]3 years ago

3 0

Step-by-step explanation:

8 + 4x > 5x + 5

8 - 5 > 5x - 4x

3 > x

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Find the difference. (5x2 - 3x + 7) - (3x2 + 4x - 5)

Katena32 [7]

Answer:

16-7x

Step-by-step explanation:

10x-3x+7-6-4x+5

16-7x

7 0

2 years ago

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Arabella's password consists of 1 letter followed by two digits. What is the probability of correctly guessing Arabella's passwo

Alchen [17]

The answer is 1/2600

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6 0

3 years ago

What fraction is equivalent to 123.5℅

iVinArrow [24]

123.5%
= 123.5/100
= 1235/1000
= (1235/5) / (1000/5)
= 247/200
= 1 47/200

The final answer is 247/200 or 1 47/200~

5 0

2 years ago

I need help with this, neither of my parents can help me and i want to understand.

olga2289 [7]

Answer:

See explanation

Step-by-step explanation:

1. To rewrite the expression

$(4^{\frac{2}{5}})^{\frac{1}{4}},$

use exponents property

$(a^m)^n=a^{m\cdot n}$

So,

$(4^{\frac{2}{5}})^{\frac{1}{4}}=4^{\frac{2}{5}\cdot \frac{1}{4}}=4^{\frac{2}{20}}=4^{\frac{1}{10}}$

2. Why $10^{\frac{1}{3}}=\sqrt[3]{10}?$

Raise both sides to 10 power:

$(10^{\frac{1}{3}})^3=10^{\frac{1}{3}\cdot 3}=10^1=10\\ \\(\sqrt[3]{10})^3=10$

So,

$(10^{\frac{1}{3}})^3=(\sqrt[3]{10} )^3$

3. Simplify $\dfrac{3^4}{9}$

Use the Quotient of Powers Property:

$\dfrac{a^m}{a^n}=a^{m-n}$

Then

$\dfrac{3^4}{9}=\dfrac{3^4}{3^2}=3^{4-2}=3^2$

4. Solve $4\sqrt{2}+5\sqrt{4}$

First, note that $\sqrt{4}=2,$ then

$4\sqrt{2}+5\sqrt{4}=4\sqrt{2}+5\cdot 2=4\sqrt{2}+10$

Number $4\sqrt{2}$ is irrational number, number 10 is rational number. The sum of irrational and rational numbers is irrational number.

5. The same as option 4.

3 0

2 years ago

Solve the following equation. Round solution to the tenths place. 29 = с/7.2 C =

expeople1 [14]

Answer:

c = 208.8

Step-by-step explanation:

a. $\frac{c}{7.2} =29$ To solve for C, you need to get the variable on one side of the equation and the numbers on the other side of the equation.

b. $\frac{c}{7.2} =29$ You need to move the 7.2 to the other side. So, multiply both sides by 7.2, because it's being divided, so multiplying will cancel it out.

c: $c = 29 * 7.2$ Then, multiply 7.2 by 29. (The * symbol means multiply)

d. c. = 208.8 The answer is 208.8, which is rounded to the tenths place.

Hope this helps! I tried to explain it in detail. :)

7 0

3 years ago