How can I solve this equation.

Answers

Answer 1

Answer: $(b+4)/(2)=5\ \ \ \ \ |multiply\ both\ sides\ by\ 2\n\nb+4=10\ \ \ \ |substract\ 4\ from\ both\ sides\n\n\underline{\underline{b=6}}\leftarrow solution$

Answer 2

Answer: $(b+4)/(2)=5\n b+4=10\n b=6$

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For nitrogen to be a liquid, its temperature must be within 12.78 °F of –333.22 °F. Which equation can be used to find the maximum and minimum temperatures at which nitrogen is a liquid, x?

Answers

Answer:

-320.44 is the maximum temperature at which nitrogen is a liquid.

-346 is the minimum temperature at which nitrogen is a liquid.

Answer:

-320.44

-346

Step-by-step explanation:

just did it

Five elevenths times a number is 55

Answers

5/11x = 55
11/5 * 5/11x = 55 * 11/5
x = 121

Final answer:

The number is found by setting up an algebraic equation and solving for x. The solution to the equation (5/11)x = 55 is x = 121.

Explanation:

The problem states: Five elevenths times a number is 55. This is a typical algebra problem. The first step to solve it is to set up the equation: (5/11)x = 55. In order to isolate x to have it by itself on one side of the equation, you divide 55 by 5/11. When we divide a number by a fraction, we multiply it by the reciprocal of that fraction. So, we have x = 55 * (11/5) = 121.

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What are the solutions of 4(x+6)^2=52 select two answers A) √13 - 6
B) -19
C) -√13-6
D)-2√13-6
E)2√13-6

Answers

Answer:

A and C

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

4x2+48x+144=52

Step 2: Subtract 52 from both sides.

4x2+48x+144−52=52−52

4x2+48x+92=0

For this equation: a=4, b=48, c=92

4x2+48x+92=0

Step 3: Use quadratic formula with a=4, b=48, c=92.

x=−48±√832/8

x=−6+√13 or x=−6−√13

Please hurry!
The figures in each pair are similar. Find the missing length.

Answers

Answer:y=3 1/8

Step-by-step explanation:

Find the total amount of interest earned on this savings account. Time: 7 years Interest Rate: 2.5% Principal: $4,556 Interest:

Answers

Interest rate is a portion of a loan that is charged as interest. Usually, it is expressed as an annual interest rate. It has two types which are the simple interest rate and the compounding interest rate. For this, we have a simple interest rate. Calculations are as follows:

Interest earned = 4556 x 0.025 x 7 = $797.3

Answer:

$797.30

Step-by-step explanation:

I did the assignment .,.

John can service a television and a cable box in one hour. It took him four hours yesterday to service two televisions and ten cable boxes. How many minutes does John need to service a cable box?

Answers

For this item, we let x be the number of minutes he can service a television and y be the minutes he can service a cable box. Then, the system of linear equation that would best represent the given above is,
x + y = 60
2x + 10 y = (4)(60)
The values of x and y from the equations are 45 and 15 minutes, respectively. Therefore, John needs 15 minutes to service a cable box.