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KonstantinChe [14]

3 years ago

9

Plz!!! HELP!!! Fast!!! 1. What is the rate of change for each function? Show your work. 2. Which function has a greater rate of

change?

1 answer:

Marysya12 [62]3 years ago

5 0

The change is positive 2

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Please help me with this problem

Rom4ik [11]

y=x^2 + x - 2

x + y = 1

Replace y in the second equation:

x + x^2 + x -2 = 1

Simplify:

x^2 + 2x -2 = 1

Subtract 1 from both sides:

x^2 + 2x -3 = 0

Factor:

(x-1) (x+3) = 0

Solve for both x's:

x = 1 and x = -3

Now replace x in the second equation and solve for y using both x values:

1 + y = 1, y = 0

-3 + y = 1, y = 4

Now you have (1,0) and (-3,4) as solutions for (x,y)

XY = x times y:

1 x 0 = 0

-3 x 4 = -12

The answer would be -12

6 0

3 years ago

3. Write the numbers given below in scientific notation.<br>(a) 3000000000 ms<br><br>

k0ka [10]

Step-by-step explanation:

3×10^10 is the scientific notation of 30000000000

8 0

3 years ago

The Widget Company is planning to produce widgets. The company has rented space for its manufacturing operation at $4,000 per mo

Helen [10]

I'll try to explain in the simplest way possible:

Total cost for a single widget: $32 + $44 = $76 for one widget.

So, since we know the cost of one widget is $76, then the price of 350 widgets would be = $76 x 350 = $26,600.

6 0

3 years ago

Please answer I will be giving out brainliest and 2<br>7 points.

maria [59]

1. 21 peanuts per minute
2. 9 texts per minute
3. 28 pages per hour OR half a page per minute

4. The first option is the cheapest. You can find what one ounce costs for each barrel by dividing the cost by the total ounces.

6 0

3 years ago

Nick bought a video game for $55, which was 20% off the original price. what was the original price?

kifflom [539]

$the \ original \ price : x \\ \\ x\cdot 20\% = 55 \\ \\x\cdot \frac{20}{100}=55\\ \\\frac{1}{5}x=55 \ \ / \cdot 5\\ \\x=\$ \ 275 \\ \\ Answer : \ the \ original \ price \ it \ \$ \ \ 275 .$

6 0

3 years ago

Read 2 more answers