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Contact [7]
3 years ago
12

Solve for x:

Mathematics
1 answer:
Dafna11 [192]3 years ago
8 0

Step-by-step explanation:

5*(4x+8)=6*(2x+3)

20x+40=12x+18

20x _12x= 18_40

8x = _22

x=_22/8

x= _11/4

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What are the three different kinds of problems we can solve using the percent proportion?
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Answer:

We have now seen solutions method for the three basic types of percent problems ;finding the amount, the rate, and the base

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3 years ago
Which of these do you prove with a geometric proof? Select one of the options below as your answer:. . A.. experiments. B.. opin
kozerog [31]
(D)We can prove THEOREMS with geometric rules........
7 0
3 years ago
Read 2 more answers
Please help me, math
cestrela7 [59]
Hi!
I’d use Pythagora’s theorem here. If PR is 6, PQ is also 6. PQO is a right angle.

OQ^2=6.8^2 - 6^2
OQ^2=46.24 - 36
OQ^2=10.24
OQ= sqrt 10.24
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8 0
2 years ago
2. El perimetro de un rectangulo es 64 pies. Su largo es 12 pies mas que 3 veces su ancho. Halla las dimensiones del rectangulo
Afina-wow [57]
Ancho= x
Largo= 3x+12 ("12 pies más (adición) que 3 veces (multiplicación) su ancho (x)")

<span>En el problema incluyen el perímetro (la suma de todos los lados de una figura). </span>En un rectángulo, los lados opuestos son congruentes, así que para calcular el valor de x, tenemos que sumar nuestras ecuaciones.

(3x+12)+(3x+12)+x+x=64
8x=64-24
x=40/8
x=5

Luego lo único que queda hacer es substituir el valor de x en cada ecuación para calcular los valores que te piden.



4 0
3 years ago
The price of a car increased by 7% which expression can be used to calculate the new price of the car
julsineya [31]

Answer: P * ( 1 + 7%)

Step-by-step explanation:

You included no options but the expression should go something like this:

Pn = P * ( 1 + 7%)

Where Pn is the new price

P is the current price

<em>The above formula will show the new price given the current price. </em>

6 0
3 years ago
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