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sattari [20]
3 years ago
8

210 in stranded form

Mathematics
1 answer:
djyliett [7]3 years ago
6 0
My answer is two-hundred and ten
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Akira receives a prize at a science fair for having the most informative project. Her trophy is in the shape of a
AlekseyPX

Answer:

45 square inches

Step-by-step explanation:

Akira receives the prize at the science fair for having the most informative project her trophy is in the shape of a square pyramid and is covered in shiny gold foil how much gold foil did it take to cover the trophy including the bottom

Total surface  =  surface area of the base square + area of 4 triangles

Calculate the surface area of the base square

surface area of the square =  s^2

where s= side length

s=3 in

The surface area of the base  =s^2

=3^2

= 9 square inches

The surface area of the side triangles

The area of the triangle = (1/2)* side length* slant height

Side length=3 in

Slant height=6 in

substituting the values,

The area of the triangle =1/2*3*6

= 18/2

= 9 square inches

There are 4 triangles

The area of 4 triangles  =  4 x 9  

= 36 square inches

Therefore,

Total surface  =  surface area of the base square + area of 4 triangles

=  9 + 36

= 45 square inches

6 0
3 years ago
A car can travel 24 miles for every 1 gallon of gasoline.
jasenka [17]
The car can travel 235.2 miles on 9.8 gallons. Just multiply 24 by 9.8.
5 0
3 years ago
Neck size, in inches, and number of teeth of 18 randomly selected puppies are compared. Which significance test should be used t
Masteriza [31]

Answer:

D

Step-by-step explanation:

its just obvious

go bucs

4 0
2 years ago
License plates in a particular state display 4 letters followed by 2 numbers. How many different license plates can be manufactu
bezimeni [28]
Depends on how many cars your talking about.Be more descriptive.
7 0
3 years ago
Read 2 more answers
What is (-8.1)-(-8.9)
polet [3.4K]

Answer:

0.8

Step-by-step explanation:

-8.1+8.9=0.8

so the answer is 0.8

5 0
2 years ago
Read 2 more answers
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