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stira [4]
3 years ago
13

13) In the proof: STATEMENT: Z1 = Z2 REASON: 13)

Mathematics
1 answer:
jonny [76]3 years ago
6 0

Answer:

tsk i cant help u bud :(

Step-by-step explanation:

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Please help on two math questions. I don’t understand how to do them.
Sidana [21]

When you represent intervals on the number line, you're including full dots, excluding empty dots, and you're considering numbers highlighted by the line.

In the first case, you've highlighted everything before -2 (full dot, thus included), and everything after 1 (empty dot, excluded). So, the set would be

x\leq -2 \lor\ x>1

or, in interval notation,

(-\infty,-2]\cup (1,\infty)

In the second case, you are looking for all numbers between -3 and 5. This interval is symmetric with respect to 1: you're considering all numbers that are at most 4 units away from 1, both to the left and to the right.

This means that the difference between your numbers at 1 must be at most 4, which is modelled by

|x-1|\leq 4

where the absolute values guarantees that you'll pick numbers to the left and to the right of 1.

3 0
3 years ago
What is the product of 8/15 and 2 3/4?
Black_prince [1.1K]
The correct answer is 1 7/15.
4 0
3 years ago
Is this right. If it is thanks
Natali [406]

Answer:

yes

Step-by-step explanation:

yes

4 0
3 years ago
These points are linear.<br> Find the slope.<br> x0 |1 |2|3|4|5<br> y|0|2|4|6|8|10<br> slope = [?]
jolli1 [7]

Answer:

Step-by-step explanation:

x₁ = 0   ; y₁=0  &

x₂ = 1    ; y₂=2

Slope =\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}

         =\dfrac{2-0}{1-0}\\\\\\=\dfrac{2}{1}\\\\\\= 2

Slope = 2

7 0
2 years ago
100 Points<br><br>Which angle is the angle of incident?
PilotLPTM [1.2K]

Answer:

angle c

Step-by-step explanation:

angle c is the angle of incidence.  It is the angle between the perpendicular  ( line that meets the surface at 90 degrees) and the ray that is coming in

8 0
3 years ago
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