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klio [65]
3 years ago
5

Solve for x. x + y + z = 4 4x - y - z = 1 x + z = 2

Mathematics
1 answer:
iris [78.8K]3 years ago
7 0

Answer:

5

Step-by-step explanation:

got it right on edg

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Is the line for the equation x = 4 horizontal or vertical? What is the slope of the line? Select the best answer
Arlecino [84]

Answer:

x=4 is vertical line it's an undefined slope

7 0
3 years ago
write two numbers that when rounded to the greatest place value have an estimated sum of 11000 and an estimated difference of 30
Nookie1986 [14]

Answer:

First, we have rounded numbers A and B, and we know that:

A + B = 11000

A - B = 3000

Now we can solve this system of equations as:

Isolating one variable in one of the equations, i will choose A in the second equation:

A = 3000 + B.

Now we can replace this into the other equation:

3000 + B + B = 11000

2*B = 11000 - 3000 = 8000

B = 8000/2 = 4000

and:

A - 4000 = 3000

A = 3000 + 4000 = 7000.

But remember that our original numbers are not exactly whole numbers, they are rounded up, so we could write them as:

A = 6999.8 (that would be rounded up to 7000)

B = 3999.7 (that would be rounded up to 4000)

The sum is:

A + B = 10999.5 (notice that this would be rounded up to 11000)

A - B =  3000.1 (this would be rounded down to 3000)

7 0
3 years ago
How do the graphs of f (x) = x 2 and g (x)= 3/4 x 2? relate?
Agata [3.3K]

Answer:

g(x) is a horizontal stretch of f(x) by \frac{3}{4} units.

Step-by-step explanation:

The given functions are;

f(x)=x^2

and

g(x)=\frac{3}{4}x^2

The parent function is f(x)=x^2.

The  function g(x)=\frac{3}{4}x^2 is a horizontal stretch of  f(x)=x^2 by \frac{3}{4} units.

8 0
4 years ago
Read 2 more answers
On a map, two locations are 0.75 centimeter apart. Their actual distance is 15 kilometers apart.
egoroff_w [7]
If you are working out the number of KM per CM them you divide the KM by the CM:
15/0.75 = 20

This means that it is 20KM per every 1CM

Hope this helps! :)
6 0
4 years ago
Crystal reads 25 pages in 1/2 hour. Write and equation to represent the relationship between the number of pages Crystal reads a
marishachu [46]
50p=1t

doubled to make the amount of hours (t) a whole number...so 50 pgs per hour..
8 0
3 years ago
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