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Tatiana [17]
3 years ago
11

X=8, 9, 10 i need help please

Mathematics
1 answer:
gogolik [260]3 years ago
6 0

Answer:

idont know answer

Step-by-step explanation:

male morning esfg

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What are the zeros of the function f(x) = x2 + 8x + 4, expressed in simplest radical form?
Vlada [557]

Answer:

-4 ± 2*sqrt(3)

Step-by-step explanation:

Well I'm not quite sure as to what the x= equations are, but for the solution to this quadratic I just used the quadratic formula. This gave me -8 ± sqrt(48)/2, which can be simplified to -4 ± 2 * sqrt(3). Hope this helps :)

7 0
3 years ago
A man purchased a magazine at the airport for $2.69. The tax on the purchase was $0.13. What is the tax rate at the airport? The
alexdok [17]

We need to find the percent, let's start but making the equation.

The price is 2.69

The tax cost is 0.13

So what percent of 2.69 is = 0.13.

Equation: X/100 x 2.69 = 0.13

Multiply each side by 100 so we can get x alone with the price: 2.69x = 13

Now to get x alone, we must divide both sides by 2.69: x = 4.8

Finally, we just round 4.8 to the nearest whole number, which is 5 (5 or above give it a shove, 4 or below let it go, we have 8 so we give it a shove). This means that the answer will be 5%.

I hope this helps! :)

6 0
3 years ago
If side b is 12 and side c is 31. Round your answer to the nearest hundredth.
Marrrta [24]

Answer:

i think you mean area so 31?

Step-by-step explanation:

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6 0
4 years ago
A bag contains 8 milk and 9 dark chocolates.
Triss [41]

Answer

P(milk)= 8/17

P(not milk)=9/17

Because 8+9=17

hope this was helpful!!!!

4 0
3 years ago
Y=x+5 <br> 4x+y=20<br><br> Solve by substitution
belka [17]
The answer would be x=3
6 0
3 years ago
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