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zloy xaker [14]
3 years ago
5

The answer of how to do the question

Mathematics
1 answer:
uysha [10]3 years ago
7 0
[29 + 8 x (13-11) ] / 5

[29 + 8 x 2] / 5

[29 + 16] / 5

[45] / 5

9
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The measure of acidity (pH) can be found with the model where pH is the acidity and H is the hydrogen ion concentration. (Rememb
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Find the interest earned on a $125 investment at a 7.5% simple interest rate for 6 months? Use the formula I = Prt.
fredd [130]
$5,625 is the correct answer for this because of the additional
8 0
3 years ago
Read 2 more answers
La edad de juan es un año menos que la tercera parte de la edad de la madre. si dentro de 5 años, la edad de la madre sera 10 añ
koban [17]

Usando un sistema de ecuaciones, se encuentra que Juan tiene 12 años e su madre tiene 39 años.

<h3>¿Qué es un sistema de ecuaciones?</h3>

Un sistema de ecuaciones es cuando dos o más variables están relacionadas y las ecuaciones se construyen para encontrar los valores de cada variable.

En este problema, las variables son:

  • Variable x: Edad de Juan.
  • Variable y: Edad de su madre.

La edad de juan es un año menos que la tercera parte de la edad de la madre, por eso:

x = \frac{y}{3} - 1

Dentro de 5 años, la edad de la madre sera 10 años mas que el doble de juan, por eso:

y + 5 = 2(x + 5) + 10

y + 5 = 2x + 20

Como x = \frac{y}{3} - 1:

y + 5 = \frac{2y}{3} + 18

3y + 15 = 2y + 54

y = 39

x = \frac{y}{3} - 1 = \frac{39}{3} - 1 = 13 - 1 = 12

Juan tiene 12 años e su madre tiene 39 años.

Puede-se aprender más a cerca de sistema de ecuaciones en brainly.com/question/20178040

#SPJ1

6 0
2 years ago
Question 14
Delicious77 [7]

Answer:

A (5,6)

Step-by-step explanation:

8 0
3 years ago
1.solve for x 3x - 2 = 3 - 4x
Lilit [14]

Answer:

x=\frac{5}{7}

Step-by-step explanation:

3x - 2 = 3 - 4x

Add 2 and 4x on both sides of the equation.

3x - 2 +2+4x= 3 - 4x+2+4x

3x+4x=-4x+5+4x

7x=5

Divide 7 on both sides of the equation.

\frac{7x}{7}=\frac{5}{7}

x=\frac{5}{7}

6 0
3 years ago
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