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docker41 [41]
3 years ago
12

What is 3x +99 2(8*3)= 135 what is x equal to?

Mathematics
1 answer:
Ivenika [448]3 years ago
3 0

Answer: -4

Step-by-step explanation: I am guessing you meant ...99  + 2(8*3)...

3x + 99 + 2(8 x 3) = 135

3x + 99 + 2(24) = 135

3x + 99 +48 = 135

3x + 147 = 135

(3x + 147) - 147 = (135) - 147

3x = -12

(3x) ÷ 3 = (-12) ÷ 3

x = -4

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Gonzalo observa que el grifo del lavabo de un año después el goteo se produce una velocidad de una gota por segundo y cada gota
Sergio [31]

Answer:

La familia de Gonzalo ha despilfarrado 15,768 litros de agua.

Step-by-step explanation:

Dado que Gonzalo observa que el grifo del lavabo gotea luego de un año, y el goteo se produce una velocidad de una gota por segundo y cada gota contiene 0.5ml de agua, para determinar cuántos litros de agua ha despilfarrado la familia de Gonzalo desde que ellos se dieron cuenta de la avería se debe realizar el siguiente cálculo:

1 año = 365 dias x 24 horas x 60 minutos x 60 segundos

0.5 x 60 x 60 x 24 x 365 = X

30 x 60 x 24 x 365 = X

1800 x 24 x 365 = X

43,200 x 365 = X

15,768,000 = X

15,768,000 / 1000 = X

15,768 = X

Por lo tanto, la familia de Gonzalo ha despilfarrado 15,768 litros de agua.

5 0
3 years ago
Identify the percent, amount, and base in this problem.<br> What percent of 80 is 40?
STALIN [3.7K]

Answer:

<h2>50</h2>

Step-by-step explanation:

<h3>40: 80x100 =</h3><h3>100 =(40x100): 80 =</h3><h3>100): 80 =4000: 80 = 50</h3>

5 0
3 years ago
Name the Solid.
Soloha48 [4]

Answer:

Pyramid

V= 240 m^3

Step-by-step explanation:

The volume of a pyramid is 1/3 the Base times the height.

1/3x(10x8)x9

7 0
2 years ago
What is the area of a parallelogram whose vertices are A(−1, 12) , B(13, 12) , C(2, −5) , and D(−12, −5) ?
Delicious77 [7]
<span>238 square units. The area of a parallelogram is the base multiplied by the height. You can use any of its four sides as the base, so pick the one that is easiest to deal with. Examining the parallelogram, you'll notice that line segments AB and CD are both parallel to the x axis which makes it extremely easy to calculate the height which is 12 - (-5) = 17. The length of AB is 13 - (-1) = 14. So the area of the parallelogram is 14 * 17 = 238</span>
8 0
3 years ago
What is the value of x
nordsb [41]
Median is half of add the sum ofthe base and first side
17+5x-14=3+5x
divide it by 2
3+5x ÷2=median
(3+5x)/2=x+12
3+5x=2x+24
3x=21
x=7

Answer is D=7

8 0
4 years ago
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