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mel-nik [20]
3 years ago
5

Which best describes a system of equations that has no solution?

Mathematics
2 answers:
pychu [463]3 years ago
8 0

Answer:

consistent and dependant

Step-by-step explanation:

This is how I believe it is

All the equations in the system are consistent because they all give no solution.

They are dependant since they need additional variables ( to give a real solution).

lisov135 [29]3 years ago
7 0

Answer:

Inconsistent equations describes a system of equations that has no solution.

Step-by-step explanation:

Inconsistent equations have no solutions and contain no further classes.

Inconsistent equations are defined as two or more equations that can never be solved, based on using one set of values for the variables.

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Suppose that the cost of a paving stone is $2.50, plus $0.15 for every 4 cubic inches of concrete.
olganol [36]

Answer:

6 different sized paving stones,$16

Complete question:

What if the 360 cubic-inch paving stones are 4 inches thick and any whole number length and width are possible? How many different paving stones could be made? Suppose that the cost of having stone is $2.50, plus $0.15 for every 4 cubic inches of concrete how much would each paving stone cost?

Step-by-step explanation:

V= B x h

B= V / h=> 360 / 4  

B= 90 sq inch

Considering the factors of 90: 1,2,3,5,6,9,10,15,18,30,45,90

Now, make table with base height and volume for each pair of factors. (see figure in the attachment)

We'll have 6 different sized paving stones.

As each stone has a vol of 360 inches³. Diving by 4 in order to find how many 4 inch³ per stone

Concrete=$0.15 x (360/4) => $0.15 x 90

Concrete= $13.5

The cost of the stone plus the concrete will be:

cost= $2.50 + concrete

cost= $2.50 + $13.5

cost=$16

8 0
3 years ago
Read the above and answer​
nalin [4]

Answer:

47.5 cm^2

Step-by-step explanation:

area of a triangle =1/2(bh)

1/2(19*5)

1/2(95)

47.5

8 0
3 years ago
Read 2 more answers
How do you write (6)^-2 without exponents?
m_a_m_a [10]
(6)^-2 Is equivalent to 1/36
5 0
3 years ago
Read 2 more answers
What’s this answer ? Please help!!!
UNO [17]

Surface area = Area of rectangle + Areas of triangles.

Area of rectangle = 9cm * 15cm = 135cm2.

Areas of triangles = 6cm * 3cm = 18cm2.

Surface area = 135 + 18 = 153cm2

5 0
3 years ago
find the length of a segment indicated. Round your answer to the nearest tenth if necessary. NO LINKS. ​
Mademuasel [1]

9514 1404 393

Answer:

  8.  C) 24.2

  9.  A) 8.1

Step-by-step explanation:

8. The radius is shown as being 7.8 +4.3 = 12.1, so the diameter x is ...

  d = 2r

  x = 2(12.1) = 24.2

__

9. The unknown leg (y) of the right triangle can be found from the Pythagorean theorem.

  y² +11.7² = 12.5² . . . . . the radius is half the diameter

  y = √(156.25 -136.89) = √19.36 = 4.4

Then the segment of interest is ...

  x + y = 12.5

  x = 12.5 -4.4 = 8.1

6 0
3 years ago
Read 2 more answers
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