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Tpy6a [65]
3 years ago
7

How can you solve y=-2x+20 by substitution?

Mathematics
1 answer:
levacccp [35]3 years ago
8 0

Answer:

subtract from both sides and then multiplying both sides

Step-by-step explanation:

how can you solve y = -2x + 25 by subtraction

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How do I solve this problem?
yulyashka [42]

Answer:

$10,000

Step-by-step explanation:

You can define a variable that represents the answer to the question: the amount invested at 3.5%. Let's say that is x. Then the amount invested at 5% is 16000-x, and the total interest earned is ...

0.035·x + 0.05·(16000 -x) = 650

-0.015x +800 = 650 . . . . . . . . . . . . simplify

-0.015x = -150 . . . . . . . . . . . . . . . . . subtract 800

x = 10,000 . . . . . . . . . . . . . . . . . . . . divide by -0.015

The amount that should be invested at 3.5% is $10,000.

5 0
3 years ago
Write an equation. Then solve.
Inessa05 [86]

Answer: Ur probably cheating

Step-by-step explanation:

All u have to do is divide 182 by 62 and when u get ur answer it will be 6 or a multiple or factor of 6 so make sure you if it's a multiple of six u add on pieces this answer us coming from someone who is in honor classes in middle school

6 0
3 years ago
What is z? -0.25z = -1.25
lora16 [44]
It is (positive) five. divide -1.25 by -0.25.
3 0
3 years ago
Read 2 more answers
The dashed line is given by the equation y=-9/5x-4
Svetlanka [38]

If you're looking for the dashed line, here it is.


8 0
3 years ago
Andrew purchased a coat for $50.00 on sale for 25% off. What was the cost of the coat after the discount not including tax?
satela [25.4K]

Answer:

$ 37.50

Step-by-step explanation:

100% - 25% = 75%

75% = 0.75

50 × 0.75 = $ 37.50

8 0
3 years ago
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