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3 years ago

Which equation is the correct translation of the following statement?

Mathematics

2 answers:

xxMikexx [17]3 years ago

3 0

Answer: x - 4 = 9 (x will equal 13)

What I did was since 4 is less than 13 we could use 13-4 since 4 is less than 13.

13-4 will get u 9 so that x will equal 13

13-4=9

QveST [7]3 years ago

3 0

Answer:

Answer: x - 4 = 9

Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

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If one zero of the polynomial (a^2+9)x^2+13x+6a is the reciprocal of the other, find the value of a.

mihalych1998 [28]

Answer: a^2x^2+9x^2+13x+6a

Step-by-step explanation:

(a^2+9) x^2+ 13x +6a

x^2(a^2+9)+13x+6a

Expand:x^2(a^2+9): a^2 x^2+9^2

x^2 a^2 +x^2*9

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a^2 x^2+9x^2+13x+6a

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2 years ago

HELP please !!!!!!!!!!!

STatiana [176]

Answer:34

Step-by-step explanation:

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3 years ago

Th the mean of the data is set 15 what number is missing<br> 18,16_,9,12,23

Wittaler [7]

Answer:

The missing number on the given data set is 12.

Step-by-step explanation:

Here, the set of data = 18,16_,9,12,23

Let us assume the missing number in the data = m

The mean of the data = 15

Total number of observations = 6

Now, Sum of the data = 18 + 16 + m + 9+ 12+ 23 = 78 + m

Also, $\textrm{ Mean of the given Data} = \frac{\textrm{Sum of all observation in the data}}{\textrm{Total number of observations}}$

$\implies 15 = \frac{78+ m}{6} \\or, 15(6) = 78 + m\\\implies m = 90 -78 = 12$

or, m = 12

Hence, the missing number on the given data set is 12.

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3 years ago