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Dmitriy789 [7]
3 years ago
3

Al terminar de pintar la puerta de su recamara Gerardo observó que le quedaron 3/4 de litro de pintura, sí utilizó 5/8 de litro

en pintar, ¿cuánta pintura tenía antes de empezar a pintar?
Mathematics
1 answer:
-Dominant- [34]3 years ago
6 0

Answer: Tenias 1 3/8 de litros.

Step-by-step explanation:

Necesitas de sumar lo que quedo y lo que uso Gerardo, pero el 8 y el 4 necesitan de ser iguales. Si multiplicas 4x2 te da 8 y serían iguales. As lo mismo con el tres: 3x2 y te da 6. Suma el 6 por 5 y te da 11/8. Simplifica y te dará 1 litro y 3/8.

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What is the equation of a circle with center (-3, -1) that contains the point (1, 2)? (x + 3)2 + (y + 1)2 = 25 (x − 3)2 + (y − 1
sleet_krkn [62]

Answer:

The answer to your question is the first option

Step-by-step explanation:

Data

C ( -3, -1)

P (1, 2)

Process

1.- Calculate the radius

r = \sqrt{(2 + 1)^{2} + (1 + 3)^{2}}

r = \sqrt{3^{2} + 4^{2}}

r = \sqrt{9 + 16}

r = \sqrt{25}

r = 5

2.- Substitute the center and the radius in the equation of the circle. Remember to change the signs of the center.

Equation

               (x - h)² + (y - k)² = r²

Substitution

                (x + 3)² + (y + 1)² = 5²

                (x + 3)² + (y + 1)² = 25

3 0
4 years ago
Hey please answer the 3 questions attached, thank you very much!
kobusy [5.1K]

Answer:

a) negative correlation b) Diagram C (I think) c) Diagram b

Step-by-step explanation:

a) Negative= line going dow

Positive= line going up

no correlation= no line

b) the dots are to close to each other which mean it has a string correlation.

c)Its no correlation, so line should not be drawn

7 0
3 years ago
Which of the following is the solution to the equation 25(z + 2) = 125?
nordsb [41]

25(z + 2) = 125

apply distributive property

25z + 50 = 125

subtraction property of equality

25z = 75

division property of equality

z = 3

Answer is z = 3

I don't see any matching from the options.

7 0
3 years ago
Read 2 more answers
Customers enter a shop at a rate of four each hour. i. What is the probability that no customer enters from 5 : 30 to 6 : 00pm?
Romashka [77]

Answer:

Step-by-step explanation:

8 0
3 years ago
PLs help with these 2 problems
gavmur [86]

The expressions are simplified to 2x and \frac{2}{(x+ 1)(x - 1)}

<h3>How to simply the expressions</h3>

1.

Given the expression;

\frac{8x^2 - 4x}{4x - 2}

Let's factorize the numerator;

\frac{2x( 4x - 2)}{4x - 2}

Factor the common terms, we have;

2x

2. \frac{1}{x-1} - \frac{2}{x} + \frac{1}{x + 1}

Find the Lowest common multiple

\frac{x(x+ 1) - 2 (x+ 1)(x - 1) + x(x-1)}{x(x-1)(x+ 1)}

expand the brackets

\frac{x^2 + x -2(x^2 -x + x -1) + x^2 -x}{x(x-1)(x+ 1)}

\frac{x^2+x - 2x^2 -2 + 2x + 2 + x^2 - x}{x(x+1) (x -1)}

collect like terms

\frac{2x}{x(x+ 1) (x-1)}

Divide common terms

\frac{2}{(x+ 1)(x - 1)}

Thus, the expressions are simplified to 2x and \frac{2}{(x+ 1)(x - 1)}

Learn more about algebraic expressions here:

brainly.com/question/4344214

#SPJ1

7 0
2 years ago
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