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ElenaW [278]
3 years ago
7

Expand & simplify (x+1)2

Mathematics
1 answer:
stepan [7]3 years ago
4 0

Answer:

(2x+2)

Step-by-step explanation:

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If one side of a square is increase by 10 units, the area of the rectangle formed is 3 times the area of the square. Find the ar
Oksanka [162]

Answer:

75 square units

Step-by-step explanation:

(x+10)x=3x^2

x^2+10x=3x^2

10x=2x^2

5x=x^2

x=5

Plugging in 5 into either of the initial equations yields the answer.

3 0
2 years ago
1) What is the volume of the container?
Sidana [21]

Answer:

600in³

Step-by-step explanation:

8 0
2 years ago
What is the area of the trapezoid to the nearest tenth? <br> PICTURE BELOW ⬇⬇⬇⬇
Nastasia [14]

Answer:

  62.4 ft²

Step-by-step explanation:

The unmarked horizontal dimension at the bottom of the triangle is ...

  (8 ft)sin(30°) = 4 ft

The unmarked vertical dimension of the triangle (the height of the trapezoid) is ...

  (8 ft)cos(30°) ≈ 6.93 ft

Then the area of the trapezoid is given by the formula ...

  A = (1/2)(b1 +b2)h

  A = (1/2)((4 ft+7 ft) +(7 ft))(6.93 ft) ≈ 62.4 ft²

_____

The mnemonic SOH CAH TOA can remind you of the relationships between right triangle dimensions and angles.

  Sin = Opposite/Hypotenuse   ⇒   Hypotenuse×Sin = Opposite

  Cos = Adjacent/Hypotenuse   ⇒   Hypotenuse×Cos = Adjacent

6 0
3 years ago
How do I determine the 50th term for the sequence <br> -5, -1, 3, 7, 11
Mademuasel [1]
The sequence is going up by 4 so u have to multiply each term by four and the -5 is it’s 0th term as well it’s beginning so you have to input that in the equation as well
4(50) - 5 = 200 - 5 = 195
I’m not very good at explaining so I hope u get it
5 0
3 years ago
yolanda makes 3 sweaters a day. she sews 6 buttons onto each sweaters she makes. how many buttons will she sew in 3 day​
KengaRu [80]
Yolanda will sew 54 buttons in 3 days.

If she sews 3 sweaters a day then, by the end of each day she will have 18. After three days she will have 54.

hope this helps and have an awesome day !
4 0
2 years ago
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