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quester [9]
4 years ago
13

What is 3x/10-2=x/5+2?

Mathematics
1 answer:
Ronch [10]4 years ago
5 0
3x/10-2 = x/5+2
  +2           +2
3x/10  =  x/5+4
 x10          x10
3x    =   x(5 x 4)
 -x        -x
2x    = 20
 /2       /2

x=10
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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
Jacob has 1/2 of a container of trail mix. He is filling snack packs that each use about 1/6 of a container. How many snack pack
kondaur [170]

Answer:

x = 3

Step-by-step explanation:

Jacob has 1/2 of a container of trail mix.

He is filling snack packs that each use about 1/6 of a container

We need to find the number of snack packs can Jacob make. Let he can make x snack packs.

\dfrac{1}{6}x=\dfrac{1}{2}\\\\x=3

Hence, he can make 3 snack packs.

3 0
3 years ago
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Veronika [31]

Answer:

48

Step-by-step explanation:

4 0
3 years ago
PLZ HELP ASAP<br><br>!!!!!!​
notsponge [240]

Answer:

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Step-by-step explanation:

Opposite angles of an inscribed quadrilateral are supplementary.

That means that m<A + m<C = 180.

m<A + m<C = 180

4x + 5 + x + 15 = 180

5x + 20 = 180

5x = 160

x = 32

m<A = 4x + 5

m<A = 4(32) + 5

m<A = 128 + 5

m<A = 133

7 0
3 years ago
Jason owns a party suppy store.
svet-max [94.6K]

Answer: definitely B

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6 0
3 years ago
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