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3 years ago

Todd says (1,4) is a solution to y=2x +2. Is he correct?

2 answers:

6 0

Todd is correct with this answer because when you take 1 times 2x you get 2 then you got add 2 more which gives you 4. So (1,4) is the correct answer.

Alexxandr [17]3 years ago

4 0

Yes, Todd is correct.

y= 2x+2

(1,4)

1=x, 4=y

Plug the numbers in:

4= 2(1)+2

4= 2+2

4=4

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A waitress works 1.75 hours less in the afternoon than in the evening. If she works 5 1/8 hours in the afternoon, how many hours

Marianna [84]

Answer:

She worked $6\frac{7}{8}$ hours in evening.

Step-by-step explanation:

Let x be the hours she worked in evening,

Since, she works 1.75 hours less in the afternoon than in the evening.

So, the number of hours she worked in afternoon = x - 1.75,

According to the question,

$x-1.75 = 5\frac{1}{8}$

$x= \frac{41}{8}+1.75$ ( By adding 1.75 on both sides and change mixed fraction into simple fraction in right side )

$x=\frac{41}{8}+\frac{175}{100}$

$=\frac{1025+350}{200}$

$=\frac{1375}{200}$

$=\frac{55}{8}$

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Hence, she worked $6\frac{7}{8}$ hours in evening.

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3 years ago

Math help please <br> What is the length of AC¯¯¯¯¯ ?

irina1246 [14]

Answer:

AC = 6

Step-by-step explanation:

given ∠A = ∠C then triangle is isosceles with BC = AB, hence

3x - 8 = x + 4 ( subtract x from both sides )

2x - 8 = 4 ( add 8 to both sides )

2x = 12 ( divide both sides by 2 )

x = 6

⇒ AC = x = 6

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