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faltersainse [42]
3 years ago
11

Find the volume of a pyramid with a square base where the area of the base is 8.3 m 2 and the height of the pyramid is 9.8 m

Mathematics
1 answer:
borishaifa [10]3 years ago
7 0

Answer:

245.56

Step-by-step explanation:

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In the table below, x represents miles traveled and y represents the cost to travel by train.
Anastasy [175]

Answer:

The second equation is correct.

y=2.25x + 4

Step-by-step explanation:

We can systematically eliminate the others.

For equation 3 and 4, 6.5*2 and 12*x is already bigger than 8 of the first set of numbers.

For equation 1, 2*x+8.5 is also bigger than 8 from the first set.

Plugging in the values to equation 2, we always get the correct cost.

5 0
3 years ago
Read 2 more answers
Hello may i please have help with this question
Pani-rosa [81]

Answer:

x=√139-3, x=-√139-3

Step-by-step explanation:

to complete the square, you first move the constant to the other side of the equation-its already done for you!

now, you find the perfect square trinomial. You divide the b value by 2, then square it: 6/2=3, 3^2=9.

What you do to one side has to be done with the other.

x^2+6x+9=130+9

now you can factor the square:

(x+3)^2=139

squareroot both sides:

x+3=√139

x+3=-√139

now subtract both sides by 3

x=√139-3

x=-√139-3

5 0
2 years ago
Can you please help me
svp [43]

ok

1) -2.5, 0.11111...., 1/4, 5 4/5, sqrt51, sqrt 100

2) Using simplification,

-2.5 is smallest because its negative, and no other number is negative. 0.11111 is the second smallest

1/4 is 0.25, and the third smallest

5 4/5 is 5.8 and is the third biggest

sqrt of 51 is around 7.14, so its second largest

lastly, sqrt 100 is 10, making it the largest

3)  10-(-2.5)=12.5

5 0
2 years ago
1. Ms. Franco earned $709.54 in net pay for working 25 hours. She paid $87.45 in federal and state taxes, and $38.45 in FICA tax
ivolga24 [154]
19 sounds about right!
5 0
3 years ago
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Pls help will give brainliest and thanks and 5star pls help
omeli [17]

Answer:

I believe 8 is 19.4, 9 is 49in^2, & 10 Perimeter: 42 cm, Area 108 cm^2

This were a bit difficult, but I'm confident about most of them :)

8 0
3 years ago
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