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polet [3.4K]
3 years ago
8

Consider the expression 4x-3 what is the value of the expression when x=7. What is the value of the expression when x=22

Mathematics
2 answers:
galben [10]3 years ago
7 0

Answer:

multiply by 4 and subtract by the 3

Step-by-step explanation:

allsm [11]3 years ago
6 0
You just plug in both numbers in the x of the equation and then multiply by 4 and subtract by the 3
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Anybody know the right answer?
Murljashka [212]
Y = -1 is a horizontal line going through "-1" on the y axis

Note that the point (1,2) is exactly 3 units of distance above the line y = -1

When we reflect across this line, the point (1,2) will just move straight down to exactly 3 units of space below the line y = -1.  Since we are not shifting left or right, the x coordinate of our original point will not change.  The y coordinate of our original point will now need to be reduced by 6(3 units down to get to the line of reflection and then 3 more down to get to the image location)   

The coordinates of the image point will be (1, -4)
Now we need to do the same process with (1, -4) being reflected across y=1

Note (1,-4) is 5 units of distance below the line y = 1 , so we need to reflect the point upward so that the image point is located exactly 5 units of distance above the line y = 1  Again, the x coordinate does not change, and our final image coordinates are (1, 6)

I guess more simply stated, if you're just looking for the number in the green box it would be " 1 " .. Reflecting points across horizontal lines only result in changes of the "y" coordinate since there is no shift left or right.
5 0
3 years ago
The regular price of a pair of sneakers is $65. They are on sale for 20% off. What is the sale price?
Fofino [41]
65*0.20=13 (0.20 because 20/100=20% is 0.20 in decimal form)
65-13=52
4 0
3 years ago
Read 2 more answers
Find the solution to quadratic equation X^2+2x+5-0
VladimirAG [237]

Answer:

=x^2+2x+5

Step-by-step explanation:

X^2+2x+5-0

=X^2+2x+5+0

Combine Like Terms:

=X^2+2x+5+0

=(X^2)+(2x)+(5+0)

=X^2+2x+5

Hope this helped!

7 0
3 years ago
Helpppppp<br><br> giving brainliest
Fofino [41]

Answer:

6.25 lb and 100 oz

Step-by-step explanation:

One lb (Pound) is equal to 16 oz (Ounce). Therefore, 100 oz equals...

100 oz / 16 = 6.25 lb

and

100 oz = 100 oz

8 0
3 years ago
Two bowls of pasta at a restaurant serve 3 people. How many bowls of pasta should be ordered for 12 people?
Butoxors [25]
12 people divided by 3 people = 4

so if 2 bowls serve 3 people...2 bowls x 4 = serve 12 people

therefore, 8 bowls serve 12 people
6 0
4 years ago
Read 2 more answers
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