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valentina_108 [34]
3 years ago
10

How can I find the surface area & the correct answer

Mathematics
1 answer:
Serga [27]3 years ago
6 0
Area of rectangle is base times height
area of triangle is 1/2 times base times height

this shape has 3 rectangular sides and 2 triangular sides

2 sides and 1 bottom
2×(6×5)+1×(6×8) = 108

front and back triangular sides
2×(1/2)×(3×8) = 24

total is 132 cm^2, C
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A price is decreased from £800 to £640. Calculate the percentage change.
Anni [7]
<span>There is a decrease of 20% from ÂŁ800 to ÂŁ640.

    A change from 800 to 640 represents a negative change (decrease) of -20% Using the formula :

   Percent change = [(800 - 640) / 800] x 100 = -20 % (decrease)

       800 is the old value and 640 is the new value. In this case we have a negative change (decrease) of -20 percent because the new value is smaller than the old value.</span>
6 0
3 years ago
Read 2 more answers
What is the value of x
My name is Ann [436]
X=3



Explanation:

A straight line equals 180°, and they give you the one angle of 56°, so you know 56+ the other equation has to equal 180

56+4x+112=180
168+4x=180

Subtract 168 from both sides

4x=12

Divide 4 from both sides

X=3


You can check by filling it in.


56+4*3+112=

12+56+112=180
5 0
3 years ago
Can somebody PLZ HELP ME WITH THIS ASAP I WILL GIVE BRAINIEST IF IT IS CORRECT
KonstantinChe [14]
Allright So you know the answer cannot be A or D because Why.... It says in the text that ur finding the area and area is adding so it has nothing to do with multiplying ok
8 0
3 years ago
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I kind of need help. I completely forgot how to do ratios
lana66690 [7]

Answer:

7:5

Step-by-step explanation:

a:b=4:5

a:c=2:7

c:b=7:5

brainliest please!!!<3

7 0
3 years ago
What is an equation of the line that passes through the points (2, -2) and (8, 4)?
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Answer:

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Step-by-step explanation:

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