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stira [4]
3 years ago
8

What is the y = –3x2 – 12 Axis of symmetry:

Mathematics
1 answer:
Mashutka [201]3 years ago
7 0

Answer:

This equation y=3x2+12x−2 is in standard form, or ax2+bx+c . To find the axis of symmetry, we do x=−b2a . We know that a=3 and b=12 , so we plug them into the equation. So the axis of symmetry is x=−2 .

Step-by-step explanation:

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Is the volume of a triangular prism one-third the volume of a rectangular prism with the same base area and height?
Vlad [161]

Nope

Step-by-step explanation:

Volume of rectangular prism :

= Base Area × h = l × w × h

Volume of triangular prism :

= Base Area × h

Cuz the base area of triangular prism, the volume is :

(½ × l × w) × h

= ½ lwh

So, the volume of a triangular prism is half of a rectangular prism

3 0
3 years ago
Classify the number -61.
butalik [34]

Answer:

1. Integer, rational, and real

Step-by-step explanation:

Remember:

(This is how my teacher taught it; yours may have done it differently)

Real numbers are numbers that can be plotted on a number line.

Rational numbers can be represented as a fraction (if they can't be represented as such they are irrational).

Integers are natural numbers, the opposite of natural numbers, and zero.

Whole numbers are natural numbers and zero.

Natural numbers are numbers you can count with.

-61 fits under real numbers, rational numbers, and integers. Assuming you want to be as specific as possible, the answer will be 1. Integer, rational, and real.

7 0
3 years ago
What is the distance between (5, -1) and (5, -4)? l' 2 8 --2 -2 I​
Reil [10]

Answer:

3

Step-by-step explanation:

The x value is the same for both. So it's easy. Distance between -1 and -4 is 3

4 0
3 years ago
Read 2 more answers
Find the distance between the points (4,-2) and (0,10)
vagabundo [1.1K]

We can solve this problem by using the distance formula. The distance formula is: \sqrt{(x_{1}-x)^{2} + (y_{1} - y)^{2}} We can now put in values and solve.

\sqrt{(4-0)^{2} + (-2-10)^{2}}  

\sqrt{16 + 144}

\sqrt{160} 

3 0
4 years ago
The 7th-grade class took a survey on their favorite ice cream. 58 people said they prefer vanilla, while 28 people said they pre
zalisa [80]

Answer:

a : b = 14 : 29

Step-by-step explanation:

Given:

Vanilla = 58

Chocolate = 28

Required

Represent as ratio

Let chocolate be represented with a and vanilla be represented with b

So, we have:

a : b

a : b = 28 : 58

Divide ratio by 2

a : b = 14 : 29

Hence, the required ratio is 14:29

3 0
3 years ago
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