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34kurt
3 years ago
11

What is the product of 2x + 3 and 4x2 − 5x + 6

Mathematics
1 answer:
tia_tia [17]3 years ago
6 0

Answer:

x is 1.5 and 2.8

Step-by-step explanation:

1. 2x + 3

2x = 3

x = 3/2

x = 1.5

2.  4 × 2 - 5x +6

8 - 5x + 6

-5x + 6 + 8

-5x + 14

-5x = -14

Divide both sides by -5, we will have

x = -14/-5

x = 2.8

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#19 please I’m literally failing math
ankoles [38]

Answer:

$51.12

Step-by-step explanation:

Hello there!

In number 19, we want to find the total price of a sweatshirt that costs $48 dollars but has 6.5% sales tax

Sales tax is a small percentage of the cost of an item that is added to items when they are being sold.

In this problem, 6.5% of the cost of the sweatshirt will be added to the cost of the sweatshirt in the form of sales tax. The price of the sweatshirt plus the amount in sales tax will be the total cost of the sweatshirt.

Translating that as an equation,

48 + 48*6.5%=total cost

You can calculate 48*6.5% as \frac{48*6.5}{100}, which is equal to 3.12

So that means that $3.12 will be added to the cost of the sweatshirt.

Therefore,

48 + 3.12=<u>$51.12</u>, which will be the total cost of the sweatshirt, including sales tax

Hope this helps!

7 0
2 years ago
Suppose an airplane climbs 15 feet up for every 40 feet it moves forward. What is the slope of this airplanes ascent?
Anastasy [175]

the rise over run is 15/40 so the slope of the airplanes ascent is 0.375 feet per foot is move forward

5 0
3 years ago
50 POINTS PLZ ANSWER CORRECTLY
belka [17]
Hey there! :D

So, we want to multiply that by 2. The table represents one year at Weatherford College. 

8,965*2= 17,930 

I heard the question mention 'reasonable'. It also said 'meet the cost'. So I would assume that 17,930 meets most of the cost. I think that's what it wanted to have. A couple thousand dollars may be reasonable, but will it meet the cost? Probably not. 

I would say "A" is the best answer.

I hope this helps!
~kaikers
7 0
3 years ago
For the equation: 3x+1=2x+7 what are the 1 st and 2 nd opposite operations?
qaws [65]

Answer:

Step-by-step explanation:

3x +1 = 2x +7  subtract 1 from both sides ( first)

3x +1 -1 = 2x + 7 -1

3x = 2x + 6 subtract 2x brom both sides (second)

3x -2x = 2x -2x +6

5x = 6

4 0
3 years ago
Order the numbers from least to greatest: 0.8, 8% 18% 1/8 8/18
DiKsa [7]
From least to greatest: 8%, 1/8, 18%, 8/18, 0.8
4 0
3 years ago
Read 2 more answers
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