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bekas [8.4K]
3 years ago
14

If AB=20, then AB+CD=?​

Mathematics
1 answer:
Leona [35]3 years ago
6 0

Answer:

20*20+CD=400+CD

Step-by-step explanation:

Multiply  

20

by  

20

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How do you know if alternate interior angles and alternate exterior angles have the same measure?
AnnZ [28]

Answer:

If the transversal cuts across parallel lines (the usual case) then alternate exterior angles have the same measure. So in the figure above, as you move points A or B, the two alternate angles shown always have the same measure.

Step-by-step explanation:

Hope this helps

5 0
2 years ago
A young child throw a ball upwards with an initial velocity of 20 feet/second. The height of the ball (in feets) after t seconds
Levart [38]
If this is a parabolic motion equation, then it is a negative parabola, which looks like a hill (instead of a positive parabola that opens like a cup). Your equation would be h(t)= -16t^2 + 20t +3. That's the equation for an initial velocity of 20 ft/s thrown from an initial height of 3 ft. And the -16t^2 is the antiderivative of the gravitational pull. Anyway, if you're looking for the maximum height and you don't know calculus, then you have to complete the square to get this into vertex form. The vertex will be the highest point on the graph, which is consequently also the max height of the ball. When you do this, you get a vertex of (5/8, 9.25). The 9.25 is the max height of the ball.
7 0
3 years ago
If 1/2 cup of soup equals 120 milliliters, then how many milliliters are in 3 1/2 cups of soup?
pav-90 [236]
Ok. So since they give you that 1/2 cup of soup equals 120 milliliters it makes this very easy. So since we know 120milliliters=1/2 and that 3 1/2= 7 1/2s (please note that the 7  1/2s doesnt mean seven and 1/2 it means seven 1/2s) you just add 120 to itself 7 times getting an answer of 840. (please vote brainliest ^^)
8 0
3 years ago
I need help pls with this
mr Goodwill [35]
When you are solving an algebraic one-step equation, the goal is to isolate the variable on one side of the equal sign, two-step equations are the same, but with one more step (hence the name)
8 0
3 years ago
There is only one freshman in the cast of a high school play. There are 6 sophomores and 11 juniors. One third of the cast are s
Rudik [331]

Let X = total students in musical


 

Then (1/3) X = number of seniors


 

  1 + 6 + 11 + (1/3)X = X


 

              18 + (1/3)X = X


 

                           18 = (2/3)X


 

                 (3/2)(18) = X


 

                          27 = X


 

27 students in musical of which one third are seniors,  

there are 9 seniors in musical


hope this helped!

6 0
3 years ago
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