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Alex787 [66]
3 years ago
8

Will give brainliest ! 15 points please help <3

Mathematics
1 answer:
andrey2020 [161]3 years ago
8 0

Answer:

1. C

2. G, H

3. A, H

4. x=-4.5

5. B, D, F, G

Step-by-step explanation:

pls Mark Brainliest

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The width of a rectangle measures (8x + 2) centimeters, and its length measures
Eddi Din [679]

Answer:

(28x+16)cm

Step-by-step explanation:

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julia-pushkina [17]
We know that 1/2 and above rounds up and below 1/2 rounds down

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2 years ago
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At Best Buy they have a stereo system that sells for $2200 and is on sale for 15% and sales tax is 7% what is the final cost
vlada-n [284]

The sales price is 85% of the original $2,200, which can be calculated as follows: .85(2,200) = 1870 Assuming you meant 15% discount price..

Now we need to find a 7% sales tax, which can be calculated as follows:

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Now we add the sale price and the sales tax: 1870 + 130,90 = $2000.90 for the total cost.

6 0
2 years ago
What is the constant of proportionality<br>help me what does this mean pls tell me​
Fantom [35]

Answer:

The constant value (often written k) relating amounts that rise or fall uniformly together. It is the ratio of the amounts y and x: k = y/x. Put another way: y = kx.

Step-by-step explanation:

The constant value (often written k) relating amounts that rise or fall uniformly together. It is the ratio of the amounts y and x: k = y/x. Put another way: y = kx.

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3 years ago
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