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3 years ago

Ejercicio 3: mi casa tiene medidas 5m de ancho por 15 de largo. Se quieren cubrir 72 m2 con baldosas

Mathematics

2 answers:

In-s [12.5K]3 years ago

6 0

Answer:

Step-by-step explanation:

Mandarinka [93]3 years ago

3 0

A:))))))))))))))))))))))))

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X-2y=-2<br> x+2y=6<br> Its system by elimination

GarryVolchara [31]

Answer:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point Form:

(2,2)

Equation Form:

x=2,y=2

Step-by-step explanation:

4 0

3 years ago

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the vertex of the parabola below is the point (-3,-5). Which of these equations below could be one for this parabola?

Stella [2.4K]

The answer is choice (B).

A standard quadratic written in vertex form is:

y = (x - h)^2 + k, where h and k are the x and y coordinates of the vertex.

So, if h is negative (in this case, -3), then it becomes x + 3.

If k is negative, though, (in this case, -5) then it becomes (x + 3)^2 - 5.

Therefore, the answer is (B).

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4 years ago

Find the x-intercept and

Arlecino [84]

Answer:

x-intercept: (3,0)

y-intercept: (0,9)

6 0

3 years ago

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Which expression is equivalent to 7 to the 3 power × 7 to the −5 power

laila [671]

Answer:

C: 1 over 7 to the 2nd power

Step-by-step explanation:

The question is: $7^{3} \times 7^{-5}$

When multiplying exponents, the base stays the same, while the power is added. In this question, the powers are 3 and -5.

$3+-5=-2$

The exponent will become: $7^{-2}$

Since the power is negative, it is improper. The negative can be removed by moving the power down and making it a fraction over 1.

$7^{-2} \rightarrow \frac{1}{7^{2} }$

The answer is $\frac{1}{7^{2}}$ , also written as "1 over 7 to the 2nd power".

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3 years ago

Find the vaule of x and y

ra1l [238]

5y=95
y=95/5(vertically opppsite angles)

5x=85
x=85/ 5(vertically opppsite angles)

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3 years ago