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dangina [55]
2 years ago
9

PLEASE HELP ME???? What is the value of the expression below? A. 8 B. 4 C. 1 D. 2

Mathematics
1 answer:
shutvik [7]2 years ago
4 0
I did this in london! Its B. 4 For londons answers! by mate!
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Answer

about 15

Step-by-step explanation:

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2 years ago
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What is the perimeter of the rectangle shown on the coordinate plane, to the nearest tenth of a unit?
Pachacha [2.7K]
What we know:
shape is rectangle which means the 2 long sides have equal distance and the 2 short sides have equal distance
we just need to find the distance of one long side and one short side for the perimeter which is the outline of the rectangle. Imagine the perimeter is the fence around the rectangle  that you would probably have to paint every 3 years and the area would be where the grass would grow in the rectangle which you would probably have to cut every weekend.

perimeter=2l+2w
 
What we need to find: PERIMETER
Using pythagorean method a² +b²=h² to find length:
From point (-6,1) to point (3,8) is a rise of 9 and a run of 9 right to get from one point to another, those are my a and b in the pythagorean formula.
a² +b²=h²
(9)²+(9)²=h²         substitution
81+81=h²            simplified
162=h²
√162=√h2           used radical properties
√162=h               length =√162

Using pythagorean method a² +b²=h² to find width:
From points (-6,-1) to point (-3,-4) is a down 3 units and left 3 units to reach from one point to another, these are my a and b for the pythagorean formula.

a² +b²=h²
(3)²+(3)²=h²
9+9=h²
18=h²
√18=√h²
√18=h           this is the width=√18

Now we find perimeter:
p=2l+2w
p=2(√162)+2(√18)
p≈33.9

D. 33.9 units

5 0
3 years ago
I need help ASAP plz
Korvikt [17]

Answer:

24

Step-by-step explanation:

Mrk me brainliest

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The angle intercepted an arc which measures π feet. The answer is letter A. 
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Let f(x) = 3x + x², find f(4).
xenn [34]
F(4) is equivalent to 28 because when you plug in 4 for the x, you get 28.
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