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Dmitry_Shevchenko [17]
3 years ago
6

How many solutions does the equation 3x-10(x+2)=13-7x

Mathematics
1 answer:
Alex Ar [27]3 years ago
4 0

Answer:

No solution

Step-by-step explanation:

1. Multiply the parenthesis by -10

2. Collect like terms

3. Cancel equal terms

4. You're left with -20=13, which is false. There is no solution.

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PLEASE HELP ILL GIVE BRAINLIEST
iren [92.7K]

The answers are option C) segment and option D) ray

<u>Step-by-step explanation</u>:

Line :

  • A line has arrow mark in the two ends. So, the diagram is not a line.

Point :

  • A point represents particular spot as a small dot. So, the diagram is not a point.

Segment :

  • It is a piece of line that has two end points. This part of line is called line segment and it is shown in the picture. option C is correct.

Ray :

  • A ray is a line with one endpoint and the other end extends with an arrow mark. So, the option D is also correct.
5 0
3 years ago
A worker is installing blue and white square tiles in a kitchen. Blue tiles have different lengths than white tiles. A row of 8
ipn [44]

Answer:

8x + 16y = 39 and

40x + 8y = 42

Step-by-step explanation:

Let the length of the blue tiles is b inches and that of the white tiles is w inches.

So, given that a row of 8 blue tiles and 16 white tiles has a length of 39 inches and a row of 40 blue tiles and 8 white tiles has a length of 42 inches.

Therefore, we can write the system of linear equations that represents the relationship between the length if a blue tile and a white tile in inches as

8x + 16y = 39 and

40x + 8y = 42 (Answer)

4 0
3 years ago
Joe works for a charity. Each year the charity gives money to different projects. The charity has a total of eight thousand nine
baherus [9]

Answer:

Each =\pounds 1121

Step-by-step explanation:

See comment for complete question.

Given

Total =  \pounds 8968

Projects = 8

Required

Determine the amount allotted to each

From the question, we understand that each project gets each allocation.

So, the amount of each is:

Each =\frac{Total}{Projects}

Each =\frac{\pounds 8968}{8}

Each =\pounds 1121

<em>Each project gets £1121</em>

7 0
2 years ago
How do you work out the circumference of a circle using diameter?
azamat
We can get the Circumference of a circle with the diameter by using the formula:

Circumference = Diameter * pie
Where, pie = 22/7 = 3.14

Hope this helps!
5 0
3 years ago
What is the radius of a circle with a diameter of 36ft?
Anarel [89]

Answer:

18 ft

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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