All categories

3 years ago

How do you solve 2/5 (c+8.5) =18

Mathematics

1 answer:

Orlov [11]3 years ago

4 0

Solve for c by simplifying both sides of the equation, then isolating the variable.

C=36.5

You might be interested in

Write 0.342 as a fraction, reduced to lowest terms.

Mrrafil [7]

, 342/1000 = 171/500.

6 0

4 years ago

If f(x)=3x-2 and g(x)=2x+1,find (f-g)(x) A. x - 3 B. 5x - 3 C. 3 - x D. 5x - 1

Nady [450]

Answer:

Step-by-step explanation:

(f - g)(x)

= f(x) - g(x)

= 3x - 2 - (2x + 1)

= 3x - 2 - 2x - 1 ← collect like terms

= x - 3 → A

6 0

3 years ago

Read 2 more answers

Evaluate (x + y)0 for x = -3 and y = 5. A. -1/2 B. 0 C. 1 D. 2

Anastasy [175]

Hello there! With the values of "x" and "y", they fill in the parenthesis. -3 + 5 is 2, because adding into a negative makes the number go up, or just simply subtracting 3 from 5 works as well. However, there is a 0 beside it, so we raise 2 to the 0 power. Anything that is raised to the 0 power is always equal to 1. And there is no other part of the question, so 1 is our answer. The answer is C: 1.

8 0

3 years ago

Read 2 more answers

Given a+b=7 and a-b=3, find the following 3^a÷3^b

gulaghasi [49]

Answer:

Step-by-step explanation:

a + b = 7

a - b = 3

2a = 10

a = 5

b = 7 - 5

b = 2

3⁵ / 3² = 3³ using law of indices

3³ = 27.

3 0

2 years ago

The GRE is an entrance exam that most students are required to take upon entering graduate school. In 2014, the combined scores

Ede4ka [16]

$\mathbb P(286$
$\mathbb P(286$

The empirical rule says that approximately 68% of any normal distributed data set lies within one standard deviation of the mean.

$\mathbb P(-2$
$\implies\mathbb P(-2$

The same rule states that about 95% lies within two standard deviations of the mean. Using this rule, and the fact that any normal distribution is symmetric about its mean, you have

$\mathbb P(-2$
$0.95=2\mathbb P(-2$
$\implies\mathbb P(-2$

$\implies\mathbb P(-2$

8 0

4 years ago