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enot [183]
3 years ago
11

Please hlelp me I need he fdfdf

Mathematics
2 answers:
MAVERICK [17]3 years ago
8 0

Answer:

21 ft^2

Step-by-step explanation:

5x3=15

3x2=6

15+6=21

Eduardwww [97]3 years ago
8 0

Answer:

21 ft squared

Step-by-step explanation:

Make the rectangle whole: 6x5=30

Find the area of the missing piece: 3x3=9

Subtract the missing piece's area by the whole area: 30-9=21

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I just need help finding h pleasww
SCORPION-xisa [38]

Answer:

  • h = (2/3)√3
  • b = 3√2

Step-by-step explanation:

It is useful to remember the ratios between the side lengths of these special triangles.

  30°-60°-90° ⇒ 1 : √3 : 2

  45°-45°-90° ⇒ 1 : 1 : √2

__

h is the shortest side, and the given length is the intermediate side. This means ...

  h/1 = 2/√3

  h = 2/√3 = (2/3)√3 . . . . . . simplify, rationalize the denominator

__

b is the longest side, and the given length is the short side. This means ...

  b/√2 = 3/1

  b = 3√2 . . . . . multiply by √2

8 0
3 years ago
Please help with this math problem for trig. A 6 m ladder is leaning against a wall. The base of the ladder is 1.5 m from the wa
VladimirAG [237]

Answer:

a = 5.81 m

Step-by-step explanation:

We can use the Pythagorean theorem

a^2 + b^2 = c^2

where b= 1.5 and c= 6

a^2 +1.5^2 = 6^2

a^2 +2.25 = 36

Subtract 2.25 from each side

a^2 +2.25-2.25 = 36-2.25

a^2 = 33.75

Take the square root of each side

sqrt(a^2) = sqrt(33.75)

a = 5.809475019

We only take the positive root because length must be positive

4 0
4 years ago
Im lost help please!!!
aksik [14]
The answer is 1/4
1/4 times 12 would give you 3 which is the value for y

Hope this helps, good luck! :}
3 0
3 years ago
Give the reason for the steps used in solving the equation 3(x - 4) + 5 = 2x - 2(3 - x)
STALIN [3.7K]

3(x - 4) + 5 = 2x - 2(3 - x) \\ 3x - 12 + 5 = 2x - 6 + 2x \\ 3x - 7 = 4x - 6 \\ 3x - 4x - 7 + 6 = 0 \\  - x - 1 = 0 \\ x =  - 1

Please give brainliest

7 0
2 years ago
Read 2 more answers
What is 6 5/8 - 4 3/4 =
Tamiku [17]

Answer:

1.875

Step-by-step explanation:

6 0
3 years ago
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