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Alika [10]
2 years ago
15

3x + 5=. X equals six

Mathematics
1 answer:
horsena [70]2 years ago
8 0

Answer:

23

Step-by-step explanation:

3 (6) + 5 =

You would have to multiply first

So,

<h2>3 x 6 = <u><em>18</em></u></h2>

Then add

<h2><u><em>18 </em></u>+ 5 = 23</h2>

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Determina la masa molar y el volumen que ocupa la siguiente sustancia CO2, si su masa es de 28 gr. *
balandron [24]

Answer:

Para el CO₂ sabemos que:

densidad = 0,001976 g/cm³

Sabemos que:

densidad = masa/volumen

Entonces, si tenemos una masa de 28 g, podemos escribir:

volumen = masa/densidad

volumen = (28g)/(0,001976 g/cm³) = 14,170 cm^3

Para obtener la masa molar (es decir, la masa de un mol de esta sustancia) simplemente sumamos la masa de un mol de cada componente.

Carbono: tiene una masa molar de 12 g/mol

Oxígeno: tiene una masa molar de 16 g/mol (y tenemos dos oxígenos)

entonces la masa molar va a ser:

masa molar = 12g/mol + 2*16g/mol = 44 g/mol

Es decir, un mol de CO₂, pesa 44 gramos.

7 0
3 years ago
Can someone answer this please? Okay so it says that something is made 3 times than the other item. The other item uses 13 beads
V125BC [204]

Answer:

13x3= 39

Step-by-step explanation:

10x3=30

3x3=9

30+9=39

Hope it helps!

5 0
2 years ago
Read 2 more answers
What is the inverse of A(r)=15+3r
mel-nik [20]

Answer:

A(r)=15-3r

Step-by-step explanation:

switch the sign of +3r to make it -3r

5 0
2 years ago
Use the substitution method to solve the system of equations. Choose the correct ordered pair. x + y = 11 -x = -y - 9
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The answer is B.
5 0
2 years ago
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What % is 35 of 896?
mixas84 [53]

the percentage of 35 of 896 is 313.6

5 0
3 years ago
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