Fifty subtracted from a number equals eighty. find the number

Mathematics

2 answers:

Sliva [168]3 years ago

7 0

Answer:

130

Step-by-step explanation:

If you add fifty to eighty then you get 130, to double check just subtract 50 from 130 and then you get 80.

suter [353]3 years ago

6 0

Answer: hope this helps. it's 130.

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Is y = 0.860x + 3.302 a linear function?

gulaghasi [49]

Answer:

yes

Step-by-step explanation:

Yes. The given function has the form y = mx + b, which is that of a linear function. Here the slope, m, is 0.860, and the y-intercept is 3.302.

8 0

3 years ago

Solve the system of linear equations by graphing. Round the solution to the nearest tenth.

jeyben [28]

Answer:

The approximate solution to the system is (1.2, 4.4)

x = 1.2 and y = 4.4

Step-by-step explanation:

The solution of the system of linear equations equation y = –0.25x + 4.7 and y = 4.9x – 1.64 is shown in the attached graph. The red line represents the equation y = –0.25x + 4.7 and the blue line represents the equation = 4.9x – 1.64.

The solution of the system of equations is their point of intersection shown on the graph.

The point of intersection is (1.231, 4.392). To the nearest tenth, it is (1.2, 4,4). So x = 1.2 and y = 4.4.

So the approximate solution to the system is (1.2, 4.4)

6 0

2 years ago

Read 2 more answers

Find the area of this figure (50 points)

Softa [21]

Answer:

$A_{total} = 14\ in^2$

Step-by-step explanation:

Step 1: Determine the area of the left rectangle

We can tell that the total shape seems like two rectangles glued together. We can separate the left rectangle and determine the area of it and then determine the area of the right rectangle and combine them. Lets first solve the left rectangle.

$A = l * w$