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nlexa [21]
3 years ago
7

What is the vertex of the graph of y= -x^2?

Mathematics
1 answer:
pshichka [43]3 years ago
4 0

Answer:

(0, 0)

Step-by-step explanation:

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A train left Podunk and traveled north at 75 km/h. Two hours later, another train left Podunk and traveled in the same direction
Andreyy89
Answer:

8 hours

Steps:

Train 1:

Hours: 1, 2, 3, 4, 5, 6, 7, 8

Miles: 75, 150, 225, 300, 375, 450, 525, 600

Train 2:

Hours: 1, 2, 3, 4, 5, 6, 7, 8

Miles: 0, 0, 100, 200, 300, 400, 500, 600
6 0
3 years ago
Find the next term for the given sequence.52, 45, 38, 31
valkas [14]
The answer is 24. To get to each term, we can see that the value is decreasing by 7. So 31 - 7 = 24
4 0
3 years ago
John wants to buy a DVD player. The price is $100, and the sales tax is 5 percent. Store A is offering a 10 percent discount and
exis [7]

Answer:

Price of DVD at Store A = $ 94.5

Price of DVD at Store B = $ 95

Step-by-step explanation:

Given that

Price of DVD player = $ 100

Sales Tax = 5%

Now, lets calculate price of of DVD player at store A

The price of DVD player at store A after 10% discount = 100 - 10% of 100

The price of DVD player at store A after 10% discount= 100 - 0.1x100

The price of DVD player at store A after 10% discount= 100 - 10 = $90

Price of DVD player at store A after sales tax = 90 + 5% of 90

Price of DVD player at store A after sales tax = 90 + 0.05x90

Price of DVD player at store A after sales tax = 90 + 4.5

Price of DVD player at store A after sales tax = $94.5

Now, lets calculate price of of DVD player at store B.

The price of DVD player at store B= 100

Price of DVD player at store B after sales tax = 100 + 5% of 100

Price of DVD player at store B after sales tax = 100 + 0.05x100

Price of DVD player at store B after sales tax = 100 + 5

Price of DVD player at store B after sales tax = $ 105

Price of DVD player at store B $10 rebate = 105 - 10

Price of DVD player at store B $10 rebate = $95

4 0
3 years ago
Read 2 more answers
Organize the following expressions from greatest to least by number of terms:
vitfil [10]
To organize the expressions according to the number of terms, you should understand what a term is. A term is either a single number or variable, or numbers and variables multiplied together. Terms are separated by + or − signs. It is organized as follows:

2x2y + x2 - 3x + 4
3x + y + z
x + 2xyz
9x2yz
6 0
3 years ago
A piece of plywood was cut so it's length was 7 feet by 3 feet what is the perimeter of the wood
lozanna [386]
7 times 2 will be 14 and 3 times 2 is 6. So you need to add 14 plus 6 and you get 20 :) Hope you enjoy!
5 0
3 years ago
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