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aleksandrvk [35]
3 years ago
9

Which is not equivalent 1/5 7/35 6/25

Mathematics
1 answer:
Reptile [31]3 years ago
4 0
Find a common denominator...

1/5 = 7/35
7/35 = 7/35
6/25 = ... can't have 35 as a denominator. Not equivalent.
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select the irrational number? A)√9 B)√12 C)√16 D)√20 E)√25 (there should be more than one answer)
GenaCL600 [577]
The answers are:
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    [B]:  "√12 " ;   AND:
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    [D]:  "<span>√20" .
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Note:  "Irrational numbers" have decimals that are:  1) non-terminating;  AND:  2) non-repeating.
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Consider the answer choices given; and consider the given information that there "should be no more than one answer.
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Consider the following answer choices:
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Choice A)  "</span><span>√9"  =  3 .  Rule out this choice.
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Choice C)  "</span><span>√16" = 4 .  Rule out this choice.
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Choice E)  "</span><span>√25" = 5.   Rule out this choice.
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We are left with 2 (two) remaining answer choices:
    [B]:  "</span>√12"  ;  and:  [D]:  "<span>√20" .
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If there are more than one answer, then these two choices should be the correct answer.   However, let us explore these two choices, using a calculator.
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    [B]:  </span>"√12"  =  3.4641016151377546

    [D]:  "√20"  =  4.4721359549995794
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These two answer choices should the correct answers.
6 0
3 years ago
The function f(x) = –x2 – 4x + 5 is shown on the graph. On a coordinate plane, a parabola opens down. It goes through (negative
sertanlavr [38]

The true statement about the function f(x) = -x² - 4x + 5 is that:

  • The range of the function is all real numbers less than or equal to 9.
<h3 /><h3>What is the domain and range for the function of y = f(x)?</h3>

The domain of a function is the set of given values of input for which the function is valid and true.

The range is the dependent variable of a given set of values for which the function is defined.

  • The domain of the function: f(x) = -x² - 4x + 5 are all real number from -∞ to +∞

For a parabola ax² + bx + c  with the vertex \mathbf{(x_v,y_v)}

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  • If a > 0, then the range f(x) ≥  \mathbf{y_v}
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The vertex for an up-down facing parabola for a function y = ax² + bx + c is:

\mathbf{x_v = -\dfrac{b}{2a}}

Thus,

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Range: f(x) ≤ 9

Therefore, we can conclude that the range of the function is all real numbers less than or equal to 9.

Learn more about the domain and range of a function here:

brainly.com/question/26098895

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So buying 150 sheets is the better buy.

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