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Citrus2011 [14]
3 years ago
11

Simplify 3 x + 6 x 2 - 5 x - x 2 .

Mathematics
1 answer:
Anastasy [175]3 years ago
5 0
Pretty sure it’s 5x^2 - 2x
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Kevin traveled at a constant speed on the highway from Hickory Hills to Chicago in 20 minutes. The distance from Hickory Hills t
beks73 [17]

Answer: V=51\ \frac{mi}{h}

Step-by-step explanation:

You need to used the following formula:

V=\frac{d}{t}

Where "V" is the speed, "d" is the distance and "t" is the time.

In this case you know that Kevin traveled at a constant speed on the highway from Hickory Hills to Chicago in 20 minutes (which is \frac{1}{3}\ h) and the distance is 17 miles. Then, you can identify that:

t=\frac{1}{3}\ h\\\\d=17\ mi

Therefore, knowing these values, you can substitute them into the formula. Then, you get:

V=\frac{17\ mi}{\frac{1}{3}\ h}\\\\V=51\ \frac{mi}{h}

8 0
3 years ago
Point O is the incenter of ΔABC.<br><br> What is mQBO?<br><br> mQBO is ___ degrees.
natta225 [31]
The answer is 12 degrees
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3 years ago
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4 + 3(4 - 9^0)+ 5^-3i
frutty [35]

Answer:

13.008 or 13 1/125 or 1626/125

Step-by-step explanation:

4 0
3 years ago
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Solve (x + 3)2 – 5 = 0 using the quadratic formula.
Harlamova29_29 [7]

Answer:

Step-by-step explanation:

(x+3)² -5 =0 , use the formula (a+b) ² = a²+b²+2ab

x²+9 +6x -5 =0 , combine like terms

x²+6x +4 =0, use the quadratic formula x = (-b±√b²-4ac)/2a

x= (-6 ±√6²-4*1*4)/2*1

x= (-6 ± √36-16) /2

x= (-6±√20)/2

x=(-6 +2√5)/2 and x=( -6-2√5) /2, factor 2 in the numerator and simplify

x= -3 +√5 and x= -3 -√5

4 0
3 years ago
Write an equivalent expression for 4g+2 using the distributive property.
snow_lady [41]
4 * g + 2 ....... or do u want me to figure what g is 
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3 years ago
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