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Helen [10]
3 years ago
8

Please solve all and work needs to be shown ❤️❤️

Mathematics
1 answer:
Alex73 [517]3 years ago
4 0

1).

a=bh

=(13)(9)

=117in^2

2).

A=1/2h(b1+b2)

=1/2(14)(15+9)

=168cm^2

3).

A=1/2d1d2

=1/2(18)(11)

=99in^2

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PLEASE HELP
Vladimir [108]

Answer:

5.5 inches

Step-by-step explanation:

1) the formula to find the area of a square is l^2= area and l=length

in this case we already know the area but not the length

so we have to find the square root of 30 as the opposite operation needs to be used to find the missing number

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√30= 5.47

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5 0
3 years ago
A model is 4.2 feet tall, the plywood used to make the model is 0.6 inch thick. How many sheets of plywood to make the model?
nadya68 [22]
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4.2feet
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4 0
4 years ago
Solve the equation: 11 = −5x − 2
qwelly [4]

Answer:

x= -13/5

Step-by-step explanation:

3 0
3 years ago
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Is 5 1/2 the same as 5 1/2
crimeas [40]
Answer: B- no
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5 0
3 years ago
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What is the approximate circumference of a circle with 17.4 cm
Natasha_Volkova [10]
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Explanation:
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In this case, the diameter (I am assuming) is 17.4, so in order to solve the circumference you must multiply Pi by 17.4.

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Hope that helps. Happy learning!
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4 years ago
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