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maria [59]
3 years ago
5

Can u guys help rq with this question

Mathematics
1 answer:
ololo11 [35]3 years ago
5 0

Answer:

C and B

Step-by-step explanation:

Parallel is when two lines are exactly parallel from eachother which means they both have to go in the same direction. It has to be two lines that dont meet up with eachother when you continue the lines.

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A jeweler wants to combine a 60% gold alloy with a 20% gold alloy to make 1000 grams of 50% gold alloy. How many grams of 60% al
kramer

Answer:

750 grams of 60% alloy

Step-by-step explanation:

Define x = amount of 60% alloy and y = amount of 20% alloy

Equating the amounts of gold:

0.6x+0.2y = 1000(0.5)

Since there must be 1000 grams total:

x+y = 1000

Writing the 2 resulting equations together:

0.6x + 0.2y = 500

x + y = 1000

Multiply the first equation by 5:

3x + y = 2500

x + y = 1000

Subtracting the 2nd equation from the 1st:

2x = 1500

x = 750

Answer: 750 grams of 60% alloy

7 0
1 year ago
the sum of two numbers is 48, difference is 14. find the numbersthe sum of two numbers is 48 and their difference is 14 what are
Lady_Fox [76]
The answer is 17 and 31
7 0
3 years ago
What is the rate of change of the function represented by the table?
tamaranim1 [39]
I sure I think it is A. -2. 5
7 0
3 years ago
Read 2 more answers
Help guys!!! i have deadline!!!!
svet-max [94.6K]
Answer: 355.49

Step by Step:
82.14+9.77+31.35+41.25=164.51
520-164.51=355.49
8 0
2 years ago
8. Souve sath equation by gracking, Round to the nearest tenth.Z 4B = -7%0-7-6, -16,-11,5
diamong [38]

Step 1: Write out the equation

x^2+6=-7x

Step 2: Rewrite the equation

x^2+7x+6=0

Step 3: Plot the graph of y = x² + 7x + 6

Step 4: Find the solution of the equation x² + 7x + 6 = 0

The solutions of x² + 7x + 6 = 0 are the x-coordinates of the points where the curve y = x² + 7x + 6 cuts the x-axis.

From the graph, we can see that the points are (-6, 0) and (-1, 0)

Hence, the solutions are -6, -1

8 0
1 year ago
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