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devlian [24]
3 years ago
7

Add/Subtract: Simplify and state the domain. .

Mathematics
1 answer:
bagirrra123 [75]3 years ago
6 0

Add/Subtract, simplified:

Picture below is simplified / evaluated

Step-by-step explanation for the domain:

Find the domain by finding where the expression is defined.

Interval Notation:

(−∞,0)∪(0,7)∪(7,∞)

Set-Builder Notation:

{x|x≠0,7}

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I need help i can't get the right answer
dimulka [17.4K]

Answer:

x = 50

Step-by-step explanation:

I guess, this diagram tells us that the lines are parallel.

that means that they cut the third line at the exact same angles.

and that means

3x - 26 = 2x + 24

x - 26 = 24

x = 50

4 0
3 years ago
Read 2 more answers
What is the measurement of ∠BAC and ∠ABC? Explain your process of solving.
Paraphin [41]

Answer:

<BAC = 78

<ABC = 68

Step-by-step explanation:

The remote angles theorem states that when one extends a side of a triangle, the angle formed between the extension and one of the sides of the triangle is equal to the sum of the two non-adjacent angles inside the triangle. One can apply this theorem here and state the following,

<BAC + <ABC = <ACD

Substitute,

(5y + 3) + (4y + 8) = (146)

Simplify,

9y + 11 = 146

Inverse operations,

9y + 11 = 146

     -11     -11

9y = 135

/9      /9

y = 15

Now substitute this value back into the expressions to find the numerical measurement of (<BAC) and (<ABC),

<BAC = 5y + 3

5(15) + 3

78

<ABC = 4y + 8

4(15) + 8

68

5 0
3 years ago
The train takes 1 1/2 hours to get from Miami to Orlando. The train takes 5 times as long as that to get from Miami to Tallahass
AleksandrR [38]
'Miami to Orlando' = 1 1/2 hours = 1.5 hours
'Miami to Tallahassee' = 5 times of 'Miami to Orlando',  then
 5 * 1.5 =  7.5
So the train would take 7.5 hours or 7 1/2 hours from Mami to Tallahassee.
7 0
3 years ago
Can you help me find my mistake
Hunter-Best [27]
Sorry i dont know im not that far in school that's like high school stuff sorry


8 0
3 years ago
A man drove 60 km at 30 km/h, 60 km at 40 km/h and 60 km at 50 km/h. What was his average speed for the whole journey?​
Masja [62]

Answer:

the above answer help you guy.

h

,

3 0
3 years ago
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