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antoniya [11.8K]
3 years ago
10

Can someone please help this work was due 3 days ago i really need help both questions are for 20 something points!!!!!!!!!!!!!!

Mathematics
1 answer:
konstantin123 [22]3 years ago
3 0

Step-by-step explanation:

what are your questions?

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Julie has 50$ which is eight dollars more than twice what john has. How much does john have
nydimaria [60]

Answer:

John has $21.

Step-by-step explanation:

Let John's "wealth" be w.  Then 2w+8 = 50, or 2w = 42, or w = 21.

John has $21.  Eight more than twice this is 42+8 = 50, as expected.

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3 years ago
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What number is halfway between 8.270 and 8.280? The answer is 8.275 hope this helps
Lilit [14]

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8.275

Step-by-step explanation:

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1.
sweet-ann [11.9K]
1. Multiply the second line by 4: 4x+4y=16. They are the same line so there are infinitely many solutions.

2. Substitute for y.
x+(2x+10)=-2
3x+10=-2
3x=-12
x=-4

Plug x in
-4+y=-2
y=2

Final answer: (-4,2)

3. The answer is the first one because the solution is always where two lines intersect. The crossing of the x axis, y axis, and origin are irrelevant.

4. 2x+4=3x+1. This is because both equations define the value of y and therefore must be equivalent.

5. Infinitely many solutions. If you multiply the second equation by -3, you can tell it's coinciding or the same line.
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3 years ago
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Find the measure of Z. Pls explain ur answer and I will mark brainliest.
11111nata11111 [884]
47 degrees put a protractor to it
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3 years ago
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Graph the line with the slope of 3/5 and goes through the point (1,2)
olga55 [171]

Answer:

Step-by-step explanation:

First put a point at the location (1,2) on the coordinate plane. After that you need to go three points up and five right. Continue until you reach the edge of the plane. If the plane has four quadrants do the same going down, accept it will be starting at (1,2) going down 3 and left 5.

Hope this helps!!

7 0
4 years ago
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