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Iteru [2.4K]
3 years ago
11

20 POINTS!

Mathematics
2 answers:
Molodets [167]3 years ago
8 0

Answer:

(-4, 3)

Step-by-step explanation:

y = -1/2x + 1

This has a y intercept of 1 and a slope of -1/2

Graph a point at x=0 y=1 and go down 1 to the right 2

draw a line from the first point

y = 1/4x + 4

This has a y intercept of 4 and a slope of 1/4

Graph a point at x=0 y=4 and go up 1 to the right 4

draw a line from the first point

as you can see in the graph, the lines intersect at -4,3

lidiya [134]3 years ago
3 0

Answer:

(-4,3)

Step-by-step explanation:

y = -1/2x + 1

y = 1/4x + 4

¼x = y - 4

y = -2(¼x) + 1

y = -2(y - 4) + 1

y = -2y + 8 + 1

3y = 9

y = 3

¼x = 3 - 4

¼x = -1

x = -4

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Simplify this expression: (-2 - 8x) + (-4x - 10)
nevsk [136]

Answer:

The simplified form of expression<u> </u>(-2 - 8x) + (-4x - 10) is

-12(x + 1)

Step-by-step explanation:

It is given an expression (-2 - 8x) + (-4x - 10)

<u>To find the simplified expression of (-2 - 8x) + (-4x - 10)</u>

Let expression is given by

(-2 - 8x) + (-4x - 10) = -2 - 8x -4x -10

     = -2 -10 -4x -8x

     = -12 -12x

     -12(x + 1)   (since -12 is common in both terms)

Therefore simplified form is  -12(x + 1)

5 0
3 years ago
Read 2 more answers
I have this question and I need it done bad... Help please? Picture included I was never taught matrix
____ [38]
Multiply the numbers on the major axis which are 2 and -9 to get -18.  Subtract from that 3*4 = 12.  So -18-12 = -30.  That's the determinant.
6 0
4 years ago
Ok so I have math homework and I need so help ASAP I need to find the average of 35 40 12 16 25 and 10 so could someone plz plz
sleet_krkn [62]

Answer: 23! Add your numbers, and divide that sum by the amount of numbers added to get average!

Step-by-step explanation:

The average is found by adding all numbers of the sample, and diving by the amount of numbers added. For example:

The average of 1, 2, and 3. You first add 1 + 2 + 3 to get 6.

You then divide 6 by the number of numbers added, being 3 (1, 2, and 3.).

6 / 3 = 2. The average of 1, 2, and 3 is 2.

In your case, you have 35, 40, 12, 16, 25, and 10.

First you add 35 + 40 + 12 + 16 + 25 + 10 to get 138.

Then you divide 138 by the amount of numbers you added: 6.

138 divided by 6 = 23 (138/6).

Hope this helps!

Add your numbers, and divide that sum by the amount of numbers added to get average!

4 0
4 years ago
Read 2 more answers
Solve the following equation algebraically:
Reptile [31]

Answer:

Step-by-step explanation:

divide by 3: x^2 = 4

Think you can finish that off now?

5 0
4 years ago
Divide x^4-x^3+4x+2 by x^2+3
Luden [163]

Answer:

i tried on a calculator and it gave me 211.125

7 0
3 years ago
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