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Kaylis [27]
3 years ago
5

7-111. write the following number trick as an expression in two ways one with parentheses and one without.

Mathematics
1 answer:
Gnesinka [82]3 years ago
7 0
Ok so basically there are many solutions here but I chose this one because I felt it was a good choice for this specific topic, 3(x+12) and can also be written as 3x+36. Hope this helped, do note that there can be many solutions and that I just picked one. If you have any questions feel free to ask!
You might be interested in
If f(x) = x2 − 1, and f(2a) = 35, then what could be the value of a ?
sdas [7]
F(x) = x² - 1

f(2a) = 35

f(2a) = (2a)² - 1 = 35

4a² - 1 = 35

4a² = 35 + 1

4a² = 36

a² = 36/4

a² = 9

a = √9

a = +3 or -3.
7 0
4 years ago
5sinA=4, find the value of tanA.​
NARA [144]

Answer: tan A=4/3

Step-by-step explanation:

Theo đề ta có: 5sinA=4 suy ra: sinA=4/5, mà ta đã biết là: sinA= cạnh đối/cạnh huyền, suy ra: cạnh đối của góc A =4, cạnh huyền =5

Áp dụng định lí py ta go ta đc:

5^2=4^2+x^2

=) x=3

Vậy cạnh kề của góc A=3

Mà tanA = cạnh đối/cạnh kề

Vậy giá trị của tanA=4/3

(bạn vẽ hình ra thì có thể nhìn rõ hơn đấy, cảm ơn bạn đã tham khảo câu trả lời của mik)

7 0
3 years ago
N is a positive integer.
padilas [110]
Start with the smallest square number, it is zero but assuming they don’t want this answer so we will try with 1:
So n * 10 = 1
n= 1/10
n= 0.1
8 0
3 years ago
In the diagram, the length of segment TR can be represented by 5x – 4. Line n is a perpendicular bisector of line segment T V. I
lakkis [162]

Answer:

15

Step-by-step explanation:

The answer is 15 because you have to solve the equation which gets you 15

first cancel out the x

Then you will get ur answer

HOPE THIS HELP:)

STAY SAFE

5 0
3 years ago
Read 2 more answers
-5 5/6 - (-2 1/3) + 5 1/6
Ket [755]

Answer:

1.6 with the bar on top of the 6

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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