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nata0808 [166]
2 years ago
15

ign="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
KATRIN_1 [288]2 years ago
8 0
Answer:

2262/29=78

:)
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Someone please help
Natasha2012 [34]

Correct Work

4x+8 +3(x-4)

4x +8 + 3x-12

4x+3x+8 -12

7x -4

Mistake Made

  1. 3 wasn't multiplied by the 4 in the bracket
  2. Like terms wasn't combined in the working out
  3. The answer was supposed to be -4, 8-4= -4
6 0
3 years ago
The combined area of two squares is 45 cm². Each side of one square is twice as long as a side of the other square. What is the
12345 [234]

Answer:

6 cm

Step-by-step explanation:

Let the smaller square have side of x then the larger square has side 2x

Sum the areas of the 2 squares and equate to 45

x² + (2x)² = 45

x² + 4x² = 45

5x² = 45 ( divide both sides by 5 )

x² = 9 ( take the square root of both sides )

x = \sqrt{9} = 3

side of smaller square = 3 cm

side of larger square = 2 × 3 = 6 cm

check : 3² + 6² = 9 + 36 = 45 cm² ← correct

5 0
3 years ago
The sides of a triangle have lengths 3, 25, and 27. What kind of triangle is it ?
Andrew [12]

Answer:

Step-by-step explanation:

it's obtuse the sides are to wide

3 0
2 years ago
A group of people were asked whether they watch television or read newspaper to get daily news.
kenny6666 [7]
<span>Watching television and reading newspaper are not independent events because P(A|B)=P(A) and P(B|A)=P(B) .
 I might be wrong so try to look at it a little closer before you take my word for it.
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7 0
3 years ago
Read 2 more answers
Tori wrote the question for the area of the parallelogram 220.44 equals 16.7 what is the height of the parallelogram
AnnyKZ [126]
Area of parallelogram = base x height

220.44 = 16.7 x height
height = 220.44 ÷ 16.7
height = 13.2 units

Answer: 13.2 units
8 0
3 years ago
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