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Ivanshal [37]
3 years ago
12

Solve these two equations

Mathematics
1 answer:
tangare [24]3 years ago
8 0

Answer:

a.(2/7,31/7) b.(97,71)

Step-by-step explanation:

im not writing all the work i did its just substitution of the value of x and y from the second equation to the first

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What is the mass of an object that has a density of 8 g/cm3 and a volume of 64 cm3
My name is Ann [436]

Answer:

Step-by-step explanation:

multiply 64 and 8

512

6 0
3 years ago
I need some help plz
scZoUnD [109]

Answer:

  one solution is (0, -2)

Step-by-step explanation:

The line y = -x is the boundary of the solution space of the first inequality. The less-than symbol (<) tells you that the line will be dashed and the shading will be below it. The line has a slope of -1 and goes through the y-intercept point (0, 0).

The line y = x - 2 is the boundary of the solution space for the second inequality. The less-than-or-equal-to symbol (≤) tells you the line will be solid (or equal to) and the shading will be below it (less than). The line has a slope of +1 and goes through the y-intercept point (0, -2).

The area of the graph where the shadings overlap is the solution space for the system of inequalities. Any point in that area will do, including points on the solid line where y < -x. (0, -2) is one such point.

3 0
3 years ago
Does x equal if the problem is negative x -4x - 7 equals 5 negative 2X
Sphinxa [80]

Answer:

X = - 4

Step-by-step explanation:

Given in problem

- x -4x - 7 = 5 -2x

Or, -5x - 7 = 5- 2x

Or, -5x + 2x = 5 + 7

Or, -3x = 12

Or, x = - \frac{12}{3}

∴ X = - 4    Answer

6 0
3 years ago
(–6)² – (–7)²<br><br> I need a step by step process.
Sati [7]
Is the = -13. Is the response
8 0
2 years ago
Suppose g is the function g(x) = 2^x and g : {1, 2, 3} -&gt;{1, 2, 4, 8}
Mashutka [201]

Answer:

Step-by-step explanation:

Given that g is a function from g : {1, 2, 3} ->{1, 2, 4, 8}

by the function

g(x) = 2^x

i.e. we have g(1) =2\\g(2) = 4\\g(3) =8

Range = {2,4,8} Since there is an extra element 1 in the co domain which is not in range , g is not on to

But g is one to one as 1,2,3 have different images.

4 0
3 years ago
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