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Ilya [14]
3 years ago
9

You need at least 30 cubic feet of sand to fill a sand box. Each bag contains 2.5 cubic feet of sand. What is the minimum number

of bags you need to buy?
Mathematics
1 answer:
strojnjashka [21]3 years ago
6 0

Answer:

12 bags of sand

Step-by-step explanation:

The minimum number of sand to fill the sandbox = 30 cubic feet

The volume or quantity of sand per bag is = 2.5 cubic feet

The minimum number of bags needed to fill the sandbox = 30 / 2.5 = <u>12 bags</u>  

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The algebraic expression 0.07d^3/2 describes the duration of a storm, in hours, whose diameter is d miles. use a calculator to d
Shkiper50 [21]

Answer:

  1.30 hours

Step-by-step explanation:

Put the given number in the formula and do the arithmetic. The value of "d" is given as 7, so you are evaluating the expression ...

  duration = 0.07×7^(3/2) . . . . put 7 where "d" is in the expression

  = 0.07×18.520 . . . . . . . . . . . . evaluate 7^(3/2)

  = 1.2964 . . . . . . . . . . . . . . . . . do the multiplication

  ≈ 1.30 . . . . rounded to hundredth

The duration of a storm 7 miles in diameter is predicted to be 1.30 hours.

___

With a suitable calculator, this can all be done at once.

6 0
3 years ago
Find the value of x. Write your answer in simplest form.
Fittoniya [83]
Answer is: 10
See the workup in photo below.
6 0
3 years ago
Can someone help? This is hard
Licemer1 [7]

CT=90°

BTA=90°

x=29

CT=37

TA=20

CA=57

Step-by-step explanation:

they say BT is an altitude ( or height) . Altitudes are perpendicular meaning that:

BTC =90°

BTA=90°

Therefore:

(3x+3)°=90°

3x=90-3

3x=87°

x=29

CT:

x+8

=29+8

=37

TA:

x-9

=29-9

=20

CA:

=CT+TA

=37+20

=57

7 0
2 years ago
Consider circle y with radius 4 m and m angle xyz=80 degrees
elixir [45]
The answer is a.5.6cm
6 0
3 years ago
What two numbers multiply to get 3 and add to get 6
julia-pushkina [17]

Answer:

3

Step-by-step explanation:

4 0
3 years ago
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