All categories

3 years ago

Solve for 0.5(r +2.75) = 3 Please I really need help I’m stuck

Mathematics

2 answers:

podryga [215]3 years ago

8 0

Answer:

r=3.25

Step-by-step explanation:

3 divided by 0.5=6

6-2.75=3.25

r=3.25

trapecia [35]3 years ago

7 0

Answer:

r = 3.25

Step-by-step explanation:

Isolate the variable, r. Note the equal sign, what you do to one side, you do to the other.

Do the opposite of PEMDAS. PEMDAS is the order of operations, and stands for:

Parenthesis

Exponents (& roots)

Multiplications

Divisions

Additions

Subtractions

First, divide 0.5 from both sides of the equation:

(0.5(r + 2.75))/0.5 = (3)/0.5

r + 2.75 = 3/0.5

r + 2.75 = 6

Next, subtract 2.75 from both sides of the equations:

r + 2.75 (-2.75) = 6 (-2.75)

r = 6 - 2.75

r = 3.25

r = 3.25 is your answer.

You might be interested in

Make x the subject of the formula 6x+a=5(x+t)

Mademuasel [1]

1. Expand
6x + a = 5x + 5t
2. Get x on one side
6x - 5x = 5t - a
3. Simplify
x = 5t - a (I think)

5 0

3 years ago

Read 2 more answers

The population of a town increases at a rate of 5% every year. The population of this town was 10,400 in 2017. What will the pop

galben [10]

Answer:

The population of the town in 2020 will approx. be 12,039.

Step-by-step explanation:

The initial population in the year 2017 = 10,400

Increase in population every yea r = 5%

Now, 5% of 10, 400 = $\frac{5}{100} \times 10, 400 = 520$

Hence, the population in the year 2018 = 10,400 + 520 = 10,920

Now, in the year 2019

5% of 10, 920 = $\frac{5}{100} \times 10, 920 = 546$

Hence, the population in the year 2019 = 10,920 + 546 = 11,466

Now, in the year 2020

5% of 11,466 = $\frac{5}{100} \times 11,466 = 573.3$

or, the population in the year 2020 = 11,466 + 573.3 = 12,039.3

The population of the town in 2020 will approx. be 12,039.

6 0

3 years ago

Avery wants to put blueberry muffins in a display case for the breakfast crowd. There are 60 muffins and 40% are blueberry. How

Alexxandr [17]

$60 \times \frac{40}{100} = 24$

3 0

3 years ago

Can someone please help me? <br><br> -r/3 ≤ 6

lozanna [386]

The answer would be $r \geq 2$

7 0

4 years ago

You roll a six-sided number cube. What is the proability that you will roll a number greater than two.

koban [17]

Answer:

4/6 = 2/3

Step-by-step explanation:

Because, the question that is stated only asks for the probability that is greater than 2 so I think you should not include the 2. So the numbers would be 3,4,5,6. Since it is a 6 sided cube, you would have 4 /6 which simplifies to 2/3

6 0

4 years ago