Answer:
To solve, use a simple one-step equation
Known: Number of coins; Number of Nickles.
Unknown: Number of Dimes.
a) To find the number of Dimes
b) Use x (or virtually any letter) to represent the unknown number of dimes
c) 9+x=13
d) Subtract 9 from both sides to cancel out the 9 and isolate the variable on one side. x=4
e) 9+4=13, so yes, the answer is correct
Answer:
<u>The volume of a mound of salt-sand mixture is 589.05 feet ³ or 589.05 cubic feet.</u>
Step-by-step explanation:
1. Let's check the information given to resolve the question:
Diameter of a mound of the mixture = 15 feet
Height (h) of the mound of the mixture = 10 feet
How much salt-sand mixture is there?
2. Let's find the volume of a mound of mixture with a conical shape:
For doing that, we need to use the volume formula of a cone.
It's: 1/3 * π * r² * h
Replacing with real values, we have:
1/3 * 3.1416 * 7.5 ² * 10 (Diameter = 15, so radius = Diameter/2 = 15/2 = 7.5)
Volume = 1/3 * 3.1416 * 56.25 * 10
Volume = 1/3 * 3.1416 * 562.5 (56.25 * 10 = 562.5)
<u>Volume = 187.5 * 3.1416 = 589.05 feet ³ or 589.05 cubic feet.</u>
Answer:
Step-by-step explanation:
Let
x------> the number of hours
y----> amount in the saving account
we know that
Malik
-----> linear equation A
Linda
-----> linear equation B
To find how many hours will it take for Malik and Linda to have an equal amount of money in their account, equate equation A and equation B
solve for x
Answer:
Should have worked out brackets first then kept it to two subtractions (one being negative number total and the other being positive total number at step 3 ) taking you to step 4 as finish to just add the two numbers a( - 5.3) + (5.5) = 0.2
Step-by-step explanation:
(3.9 − 9.4) − 0.6 + 6.1. To simplify do brackets first so the first error was Step 2 line we show (3.9 − 9.4)− 0.6 + 6.1 below = to (-5 .3) − 0.6 + 6.1 Then to simplify Step 3 line there was a second error as 3.9 was never a simplification of the brackets and here is how it should be ( - 5.3) − 0.6 + 6.1 = ( - 5.3) + (5.5) = ( - 5.3) + (5.5) Then to simplify Step 4 line we wont need a step 5 and are left to just add the two numbers ( - 5.3) + (5.5) = 0.2
Answer:
your answer should be B
Step-by-step explanation:
<u><em>hope you have a great day sir/ma'am</em></u>
