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V125BC [204]
3 years ago
7

What is the value of r? 3/5 ( r - 7 ) = 1

Mathematics
2 answers:
gulaghasi [49]3 years ago
4 0
R = 26/ 3 im pretty sure
REY [17]3 years ago
3 0

Answer:

8.66666666667

Step-by-step explanation:

Step 1:

3/5 ( r - 7 ) = 1      Equation

Step 2:

3/5r - 4.2 = 1     Multiply

Step 3:

0.6r = 5.2     Add 4.2 on both sides

Step 4:

5.2 ÷ 0.6      Divide

Answer:

r = 8.66666666667

Hope This Helps :)

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Write an equation for the statement and then solve
Lunna [17]

Answer:

16.   30 * (30+12)/4*(L)*20

17.  Volume = 6300 * Length of rectangular prism

Step-by-step explanation:

The width of a rectangular prism is <u>30 cm</u>. This is  <u>12 more than one-fourth of the length</u>. Find the  volume of the prism, given the <u>height is 20 cm</u>.

Let L = length of rectangular prisim W = width and H = height

16.  

Volume of a rectangular prism is width * length * height

30 * (30+12)/4*(L)*20

17.  

= 30 * (30+12)1/4(L)*20

= 30 * (42/4)*L * 20

= 600 * 10.5 * L

= 6300 * L

Volume = 6300 * Length of rectangular prism

6 0
3 years ago
You and your friend collect 180 cans for a food drive. The ratio of cans you collected to cans your friend collected is 4 to 5.
marissa [1.9K]
Are you looking for the number of cans you and your friend each collected? If yes, here is the solution:

Let x be the number of cans.

4x + 5x = 180
        9x = 180
     9x/9 = 180/9 (divide both sides of the equation by 9)
          x = 20

Now, substitute the values:
4(20) + 5(20) = 180
       80 + 100 = 180
               180 = 180

Therefore, you collected 80 cans and your friend collected 100 cans.
6 0
3 years ago
What is the answer to -5(-3w-8)=21 for w
Sauron [17]

Answer:

w = -1.266

Step-by-step explanation:

distribute the 5 by everything in the parenthesis and then bring everyhting down then you should have a regular equation to work w

8 0
3 years ago
Eric ordered 6 tacos and 1 large pop. The large pop costs $2.00 and the total cost of his order was
pshichka [43]

Answer: 6x + $2= $21.50

Step-by-step explanation:

To make an equation first we are going to give the cost of each taco the variable x since we don't know what it is. Then we will combine 6 multiplied by x to get 6x and add it to $2 to get $21.50 so the equation will be 6x + $2= $21.50. First we subtract 2 from both sides of the equation which makes the equation become 6x= $19.50. Then we divide both sides of the equation by 6 and get x=$3.25. This means that each taco cost $3.25.

5 0
3 years ago
On the moon, a bag of sugar has a weight of 3.7 Newtons (N) and a mass of 2.26 kilograms (kg). Which of the following describes
ludmilkaskok [199]

Answer:

c

Step-by-step explanation:

mass will never change only weight will as weight is dependent on gravitational field strength

8 0
3 years ago
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