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Sonbull [250]
3 years ago
15

Which property is used in the statement? If z=3+1, then 3+1=z

Mathematics
1 answer:
inessss [21]3 years ago
4 0
This is the symmetric property of equality, and in a more general form it can be written  as: if a=b then b=a.

<span>This  is not to be confused with communicative property,  which says that the order doesn't  matter in some operations, such as addition, and can be written as a+b=b+a</span>
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Help and please explain so I can do it on my own. There are a couple more on this sheet.​
Andreas93 [3]

Answer:

(2, -10)

Step-by-step explanation:

so first i find the axis of symmetry using the equation x= -b/2a

in this problem

a=3

b= -12

c= 2

- (-12)/ 2(3) = 2

2 will be the x point for your vertex

you then plug in your x point into the original equation and solve for y

y = 3(2)^2 - 12(2) +2

y = -10

Vertex is then (2, -10)

8 0
2 years ago
If $-2 &lt; x \le 3,$ then find all possible values of $5x + 1.$ Give your answer in interval notation.
kotegsom [21]

Answer: (-9, 16]

This is the interval from -9 to 16. Exclude -9 but include 16.

=====================================================

Work Shown:

The idea is to multiply all sides by 5, then add 1 to all sides

-2 < x \le 3

5(-2) < 5x \le 5(3)

-10 < 5x \le 15

-10+1 < 5x+1 \le 15+1

-9 < 5x+1 \le 16

This converts to the interval notation  (-9, 16]

note: a curved parenthesis means "do not include this value in the solution set"; while a square bracket has us include the value. So we exclude -9 and include 16.

3 0
3 years ago
Can yall help me!! conclude the following data!!
Vinil7 [7]

Answer:

Zoo

4=60

8=120

12=180

16=240

Museum

5=95

10=190

15=285

20=380

ALSOOOO HI BLINK!

5 0
3 years ago
Why can you use Linear Pairs and Vertical Angles to prove lines are parallel?
natta225 [31]

Answer:

The reason why linear pairs and vertical angles are used to prove lines are parallel is because they area transversal drawn through the parallel lines will form angles on each of the two parallel lines including;

1) Supplementary linear pairs  and

2) Vertical angles

3) Alternate angles

Given that either;

a) The corresponding angles that form the linear pairs are congruent

b) The corresponding vertically opposite angles are congruent

c) The corresponding alternate angles are congruent, we have;

The two lines are said to be parallel.

Step-by-step explanation:

5 0
2 years ago
A display order of numbers are called​
Sergeu [11.5K]

Answer:

I think

A display order of numbers are called​ <u>sequences</u>.

7 0
2 years ago
Read 2 more answers
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