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Aleonysh [2.5K]
2 years ago
10

3x^2 + 6x + 4 axis of symmetry

Mathematics
1 answer:
Natasha_Volkova [10]2 years ago
5 0
Considering the axis of symmetry formula is x = -b / 2a , we can fill in this with the equation given, making it x = -(6) / 2(3) which comes out to -1

So the axis of symmetry for 3x^2 + 6x + 4 is -1
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Solve this equation: x-17\25=-3\5
ExtremeBDS [4]
The answer is x = 2/25
8 0
3 years ago
1. Find 3 consecutive integers whose sum is 33.
statuscvo [17]

Answer: 10, 11, 12

Step-by-step explanation: Think of the integers like this:

1st integer: x

2nd integer: x+1

3rd integer: x+2

That is necessary because they are consecutive integers. Since the sum is 33, we need to create an equation.

x+x+1+x+2=33.

Simplify:

3x+3=33.

Opposite operations:

3x=-3+33.

To get the 3 close to the 33, we needed to make it negative, which is the opposite operation of the positive 3.

So,

3x=30.

Divide by 3:

x=10.

The first integer, x, equals 10.

To go with the guide that we already created,

1st integer: x=10

2nd integer: x+1=11

3rd integer:x+2=12.

Therefore, the three consecutive integers are 10, 11, and 12.

To check that, add them up. They all equal 33 and they are consecutive, which means this is the right answer!

5 0
3 years ago
Read 2 more answers
Can someone help me answer this, thanks
Ivahew [28]

Answer:

<em></em>Height = 173.8ft<em></em>

<em></em>

Step-by-step explanation:

Given

\theta = 40^o

d = 200ft --- distance from building

h=6ft--- height of the building

Let the height of the building be H. So:

\tan(\theta) = \frac{Opposite}{Adjacent}

\tan(40) = \frac{H}{200}

Make H the subject

H = 200 * \tan(40)

H = 167.82

The required height s:

Height = H + h

Height = 167.82 + 6

Height = 173.82ft

<em></em>Height = 173.8ft<em> --- approximately</em>

5 0
3 years ago
If s = the number of students in a PE class , which algebraic expression represents the phrase below ?
Reika [66]

That would be  option D.

A quotient is the result of a division.

4 0
3 years ago
Read 2 more answers
Lindsay fills up the gas tank before beginning a long trip. When the gas gauge shows that she has used three-eights of a tank of
Ksju [112]

Answer:

440miles

Step-by-step explanation:

We are told that mileage of 165 = 3/8 of a tank of gas

as inverse 5/8 would be left and the product we seek to add to 165.

We find a ratio to distribute 165 as 3/8

First we double and find 6/8 is an even number and = 330 miles.

= 3/4 ratio and that is 6:8 so 2 extra we seek to make a full tank before we add is 1/3 of 330 miles as 1/3 = 2/8 to make this balance only in this question is this possible as we call it distribution like percentage 10% added to 100 would always be 10 just like it is added, but finding 10% of 110 is different.

Therefore so would 1/3 afterwards once we find 1/3 = 2/8 is not the same as finding 1/3 after we find the full tank.

1/3 of 330 = 110

110 +330 = 440miles

I hope that helps you see how to work out close range distribution.

As now not that it's asking you to see 1/3 of 440miles but in same principal as explained about the 10% theory, you see 1/3 of 440 miles is now more than 110. it is 1/3 x 440 = 146.66 = 1/3. and so we can prove distribution is possible and say 2/8 = 1/3 even though in relation to 1 as a whole number its not true. It's only true in distribution.

4 0
3 years ago
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