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finlep [7]
3 years ago
12

2(x+1) to the second power+ 3

Mathematics
2 answers:
astra-53 [7]3 years ago
7 0
(2(x+1)^2) + 3

The vertex of this parabola is (-1,3), as this equation is already in vertex form.
Musya8 [376]3 years ago
3 0
2(x+1)^{2}+3   2(x+1)(x+1) + 3   2(x^{2} +2x+1)+3   2x^{2}+4x+2+3   2 x^{2} +4x+5
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Jon bought a printer for $189 and a set of printer cartridges for $192. Sales tax on these items was 6.5%. What is Jon's total b
julia-pushkina [17]
So first we need to find the total before tax. Let's add up the two prices:

189+192=381

So we know that the total before tax is $381. Now we are told that the sales tax on these items is 6.5%. It would be easier for us to convert 6.5% to a decimal in order to multiply. Let's convert 6.5% to a decimal by dividing by 100:

\frac{6.5}{100}=0.065

Now that we have the sales tax in decimal form, let's multiply this sales tax by the total amount of the items before tax ($381):

381*0.065=24.77

This means that $24.77 is the tax for this purchase. To find the total amount that Jon paid for these items after tax, you must add the tax to the total amount before tax to give you:

381+24.77=405.77

So now we know that Jon's total bill for these items is $405.77.
4 0
3 years ago
a dog food company sells its canned dog food to stores for $0.35 per can. one of the stores sells the can of dog food for $0.79.
iris [78.8K]
To answer your question its 27.65
6 0
3 years ago
An equation of the horizontal line that passes through the point (-2,5)
Greeley [361]
Y=5 it's a horizontal lines so b in y=mx+b would have to be 5 and since it's horizonal, it doesn't have a slope so it's just y=5
8 0
4 years ago
Dave receives a salary of $200 a week plus a commission of 10% of his weekly sales. An equation y=mx+b represents Dave’s weekly
eduard
<span><u><em>Answer:</em></u>
Dave makes $350 

<u><em>Explanation:</em></u>
In order to find this answer, we must first establish the equation for his earnings.
<u>We use slope intercept form:</u>
 y = mx + b,
where m = slope and b = y-intercept.

Since the problem states that his commission percentage is the slope and his base salary is the y-intercept, we can use them in the equation <u>to get the following: </u>
y = 0.1x + 200.

Now knowing that the x is the amount he sells, we can use the $1500 as x to find his total pay for the week:.
y = 0.1(1500) + 200,
y = 150 + 200,
y = 350. </span>
6 0
3 years ago
Read 2 more answers
3.x4 - 2x2 + 15.x2<br> Which product Is the factored form of the polynomial
Dmitry_Shevchenko [17]

Answer:

3*4=12

12-2=10

10*2=20

20+15=35

35*2=70

Step-by-step explanation:

4 0
3 years ago
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