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3 years ago

What is 12 14/15 written as a decimal

Mathematics

1 answer:

Marina86 [1]3 years ago

3 0

12.9 i think, not sure. try it though

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Which shows all the values of x that make the rational expression undefined? x = 6 x = 7 x = –6 or x = 6 x = –7 or x = 7

n200080 [17]

<h2>Explanation:</h2>

The rational expression is given by:

$E=\frac{2x^2-72}{5x^2-245} \\ \\ Factor \ out: \\ \\ E=\frac{2(x^2-36)}{5(x^2-49)} \\ \\ E=\frac{2(x-6)(x+36)}{5(x-7)(x+7)} : \ \ \ \ a^2-b^2=(a-b)(a+b)$

The denominator can't be zero, therefore:

$(x-7)(x+7)\neq 0 \\ \\ \\ Thus: \\ \\ \boxed{x\neq 7 \ and x \neq -7}$

Finally,<em> the values of x that make the rational expression undefined are </em>

4 0

3 years ago

Mrs. Alberts has two seventh grade math classes this year. They took their final exam, and Mrs. Alberts just finished grading th

goldfiish [28.3K]

Answer:

these are true = 1, 3, 5

Step-by-step explanation:

overall class a scored better than class b

they're more students in class a compared to class b

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3 years ago

What is the solution set for the inequality?

Sliva [168]

Answer:

the answer is the 2nd one from my point of view u will understand so the solution set for the quality is the 2nd answer either way or

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3 years ago

Given: PRST square

yuradex [85]

There is no difficulty in this problem until you construct the figures. How can we do it is shown in the attached picture. After drawing PRST, from the point P, we can draw PMKD and later we can complete PMCT as a result. From this picture, we can see that the side of PMCT is also a. Then, the area of this square is $A=a^{2}$

6 0

3 years ago

Help me with picture please 70 points.

timurjin [86]

Answer:

Plot the points on:

(1,2)

(3,6)

(5,12)

(9,18)

Thats it.

5 0

2 years ago