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Gala2k [10]
3 years ago
8

72 is equal to 80% of a number n. Write and solve and equation to find n. Write the percent as a decimal.

Mathematics
1 answer:
Deffense [45]3 years ago
4 0
I'm pretty sure the answer is 90 = n decimal 0.8
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How can you represent all of the solutions to systems of inequalities?​
Dimas [21]

Answer:A closed, or shaded, circle is used to represent the inequalities greater than or equal to (≥) or less than or equal to (≤) . The point is part of the solution. An open circle is used for greater than (>) or less than (<). The point is not part of the solution. Solving" systems of linear inequalities means "graphing each individual inequality, and then finding the overlaps of the various solutions". So I graph each inequality, and then find the overlapping portions of the solution regions.Step 1: Line up the equations so that the variables are lined up vertically. Step 2: Choose the easiest variable to eliminate and multiply both equations by different numbers so that the coefficients of that variable are the same. Step 3: Subtract the two equations. Step 4: Solve the one variable system.

Step-by-step explanation:

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6 0
3 years ago
The perimeter of a stop sign is 99.2 inches. Each side of the stop sign is equal.
san4es73 [151]

Answer: The equation can be written as 8n = 99.2.

Step-by-step explanation:

In my answer, I used the variable n to distinguish itself as one side of the stop sign. 99.2 is the final perimeter in inches.

A stop sign is an octagonal shape (otherwise, it is made up of 8 equal sides). Therefore, with this information, you can interpret that the length of one side would be equal to the length of all of the other sides.

Hence, the answer can be represented as 8n = 99.2.

6 0
3 years ago
3/4-2/3 as fractions​
mihalych1998 [28]

Answer:

2

3

–

3

4

=

– 1

12

Step-by-step explanation: is this the answer?

8 0
3 years ago
Solve.<br><br> y = –4x + 10<br> y = –3x + 5
saw5 [17]
The answers in order are
Y= 10/4
Y=5/3
8 0
2 years ago
Read 2 more answers
Is the answer right?
notsponge [240]

Answer:

one solution.. your answer is correct

Step-by-step explanation:

discriminate = 900 - (4*9*25)  = 0

thus only one solution

8 0
3 years ago
Read 2 more answers
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