Answer:
55deg
Step-by-step explanation:
Since ABC is similar to DEF,
angle A = angle D
angle B = angle E
angle C = angle F
therefore, angle E = 55deg
this is a topic on congruence and similarity.
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If he multiplied the first equation by 5, that would give us:
10x + 45y = 205
Now we need to get -45y to eliminate the y-terms, So we divide -45 / 5 and we get -9. So we multiply the 2nd equation by -9.
(I'm assuming the first equation is actually 2x + 9y = 41, and not 2x + 9 = 41)
Answer:
A. Cecelia method is exponential becuase the number of minutes increased by an equal number every week
Step-by-step explanation:
Celelias study method went from 20 to 30 to 40 to 50 on the other hand Christopher's method went from 5 to 10 to 20 to 40 my personal thought would be that Cecelias method increased by a equal amount
Correct me if I am wrong ...
Have a great day! :)
Answer:
Shirt #1
x = 63.84 - y - z
Shirt # 2
y = 63.84 - x - z
Shirt # 3
z = 63.84 - x - y
Step-by-step explanation:
First calculate the value of the 3 shirts as follows:
$ 71.83 - $ 7.99 = $ 63.84.
$ 63.84.
The general equation would be, where x is the value of shirt # 1, and the value of shirt # 2 and z is the value of shirt # 3:
x + y + z = 63.84, then for each shirt would be the following equations:
Shirt #1
x = 63.84 - y - z
Shirt # 2
y = 63.84 - x - z
Shirt # 3
z = 63.84 - x - y
For example, if we give values (always the sum of both under 63.84) to two shirts, x = $ 20, y = $ 30 then the value of shirt # 3 would be:
<em>z = 63.84 - 20 - 30 = $ 13.84</em>
