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fgiga [73]
2 years ago
14

How many solutions does a system of linear equations in three variables have if in solving the system you correctly obtain the e

quation 12=12?
Mathematics
2 answers:
sesenic [268]2 years ago
7 0
Anytime you find an equality that is always true, it means that there are infinitely many solutions.

If you arrive at 12=12, it means that the equations are always equal.
muminat2 years ago
6 0
When you see that one number gives you the same number, that concludes that there are infinite possible ways to write those numbers into an equation.
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Which number line represents the following statement?<br><br> A number is more than negative five.
jarptica [38.1K]
Number Line A, well the first number line.

The open circle shows us that -5 is NOT in the solution. All the numbers greater than -5 ( x > -5) are in the solution.

Faith xoxo
3 0
2 years ago
Read 2 more answers
Part B: Find an irrational number that is between 9.5 and 9.7. Explain why it is irrational. Include the decimal approximation o
fgiga [73]
Irrational number between 9.5 and 9.7...

9.678937... (never ending)...it is irrational because it cannot be made into a fraction because it is infinite.

the decimal approximation to the nearest hundredth is : 9.68

4 0
2 years ago
A new parking lot is being built for a medical office. The expression representing the number of parking spots in the new lot is
docker41 [41]

Answer:

111 spots

Step-by-step explanation:

Let y denote the total number of parking spots expressed as:

y=\frac{15x}{4}-9\\\\

Given that x is the number of spots in the first row.

-Now, given that the first row has 32 spots, we substitute in the expression to solve for y:

y=\frac{15x}{4}-9,\ \ x=32\\\\=\frac{15\times 32}{4}-9\\\\=120-9\\\\=111

Hence, there are 111 spots in the parking lot.

5 0
2 years ago
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Solve for m:<br> -3(1 – 5m) = — 38 + 8m
Solnce55 [7]

Answer:

m = - 5

Step-by-step Explanation:

-3(1-5m)=-38+8m \\  \\  - 3 + 15m =  - 38 + 8m \\  \\ 15m - 8m = 3 - 38 \\  \\ 7m =  - 35 \\  \\ m =  \frac{ - 35}{7}  \\  \\  \huge \purple{ \boxed{m =  - 5}}

3 0
2 years ago
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A hexagonal pyramid is cut by a plane as shown in the diagram. What is the shape of the resulting cross section? see diagram
Alenkasestr [34]

From the diagram you can see that plane cuts each lateral face of hexagonal pyramid and do not cut the base. A hexagonal pyramid has six lateral faces. The intersection of each of these lateral faces with given cutting plane is segment. The figure which consists of these segments is hexagon. This hexagon is not the same as base and even is not similar to the base because the cutting plane is not parallel to the base.

Answer: resulting cross section is a hexagon, correct choice is option 4.

9 0
2 years ago
Read 2 more answers
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