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Dmitrij [34]
3 years ago
11

I used 8 bags of sand for 12m2, how much will I need for 15m2?

Mathematics
1 answer:
vlabodo [156]3 years ago
3 0
That would be . . . (15/12)*8 = 10 bags of sand
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What is the value ?????
worty [1.4K]
Cos x = 15÷17
because cos is adjacent side over hypotenuse.
6 0
3 years ago
Hi, i really need help!<br> Look at the images below:<br> (there is 2 images per question)
ycow [4]

Answer:

The last one

Step-by-step explanation:

The triangle is simply reflected across the x-axis, so the side lengths and angle measures do not change.

7 0
4 years ago
Un grupo de amigos quiere realizar una actividad de recaudación de fondos, para ello han decidido vender pizzas. La primera pizz
trasher [3.6K]

Answer:

Los Amigos deberían comprar pizzas vendidas por la primera pizzería que cuestan S / 0.032 por cm² para obtener más ganancias.

Step-by-step explanation:

Los parámetros dados son;

El diámetro de las pizzas vendidas por la primera pizzería = 40 cm

El precio de las pizzas vendidas por la primera pizzería = S / 40

El diámetro de las pizzas vendidas por la segunda pizzería = 25 cm

El precio de las pizzas vendidas por la segunda pizzería = S / 25

El área de las pizzas vendidas por la pizzería = π × D² / 4

El área de las pizzas vendidas por la primera pizzería = π × 40² / 4≈1256.64 cm²

El costo por unidad de superficie de las pizzas vendidas por la primera pizzería = S / 40 / (1256.64 cm²) ≈ S /0.032/cm²

El área de las pizzas vendidas por la segunda pizzería = π × 25² / 4≈490.87 cm²

El costo por unidad de superficie de las pizzas vendidas por la primera pizzería = S / 25 / (490.87 cm²) ≈ S /0.051/cm²

Las pizzas vendidas por la primera pizzería que cuestan S /0.032/cm² s más baratas y producirán mejores ganancias que las pizzas vendidas por la segunda pizzería que cuestan S /0.051/cm²

Por lo tanto, los amigos deben comprar pizzas vendidas por la primera pizzería que cuestan S /0.032 / cm² para obtener más ganancias.

6 0
3 years ago
Evaluate x^2-x for the value of x satisfying 6 (x - 3) + 3 = 6x - 3 (3 - x)
vladimir2022 [97]

Answer:

2

Step-by-step explanation:

We can first find x:

6 (x - 3) + 3 = 6x - 3 (3 - x)

6x - 18 + 3 = 6x - 9 + 3x

6x - 15 = 9x - 9

We can then islolate x, getting 3x = -6 and x = -2.

We can then plug in -2 for x and solve x^2 - x:

(-2)^2 - 2 = 4 - 2 = 2

4 0
3 years ago
Is it translation,rotation,reflection or dilation?
UkoKoshka [18]

Just looking at it, I can tell it's not a rotation because it's not rotated, it's not a reflection because its not flipped and it's not a translation because it became smaller, didn't just move. That makes this a dilation!

8 0
3 years ago
Read 2 more answers
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