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Tema [17]
3 years ago
13

Find the area. Will mark brainliest.

Mathematics
1 answer:
Minchanka [31]3 years ago
3 0

Answer:

a = 70

Step-by-step explanation:

a = h * b / 2

a = 10 * 14 / 2

a = 140/2

a = 70

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use the distributive property to remove parentheses. Simplify your answer as much as possible. 1/2(4y+7)
Anna007 [38]
1/2(4y+7)

Use the distributive property. a(b+c)= ab+ac 

1/2*4y= 2y

1/2*7= 3.5

2y+3.5 <---- simplified expression

I hope this helps!
~kaikers


7 0
3 years ago
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crimeas [40]

Answer:

x2  1-

Step-by-step explanation:

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The surface area of the triangular prism pictured below is 204 square centimeters. What is the height of the prism?
Fudgin [204]
The picture in the attached figure

we know that
surface area=2*area of the base+perimeter*height

area of the base=area of the triangle
area of the base=3*4/2----> 6 cm²

perimeter of the base=perimeter of triangle
perimeter=3+4+5----> 12 cm
height=x cm

surface area=2*6+12*x
surface area=204 cm²
12+12*x=204
12*x=204-12
12*x=192
x=192/12
x=16 cm

the answer is
16 cm

6 0
3 years ago
The moon is about 240000 miles from earth.What is the distance written as a whole number multiplied by a power of ten
Sauron [17]
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its time for everybody's favorite subject maaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
zvonat [6]

Answer:

Step-by-step explanation:

Yessir I love math. I know you were being sarcastic but I love math. just multiply everything and you’ll get the answer

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