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Zolol [24]
3 years ago
11

3/18 of the teachers at Naran's school are math teachers, and 30 of the teachers are not math teachers. How many teachers are th

ere at Naran's school?
Mathematics
2 answers:
kolezko [41]3 years ago
5 0

Answer:

36 teachers total

Step-by-step explanation:

pochemuha3 years ago
4 0

Answer: There are 36 teachers total.

Step-by-step explanation:

Beacsue we know there are at least 30 teachers we need to change the fraction 3/18 becasue it is too simplified. So if we multiply the numerator and denominator by 2 we get 6/36. The new denominator is 36 which is the total amount of teachers.  

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Answer:

(x-8) is the factor.

Step-by-step explanation:

The given trinomial is x^{2}-6x-16.

We need to find the factor of this trinomial.

x^{2}-6x-16=x^2-8x+2x-16\\\\=x(x-8)+2(x-8)\\\\=(x+2)(x-8)

The factors of x^{2}-6x-16 is (x-2) and (x-8).

So, the factor of x^{2}-6x-16 is (x-8). Hence, the correct option is (B).

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Step-by-step explanation:

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4 years ago
An airplane travels 290 km between Austin and Dallas in 1 h 15 min. What is it’s average speed?
aniked [119]

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<u>Solution:</u>

Given that,

Total distance traveled by airplane = 290 km

Time taken for travel between Austin and Dallas = 1 hour 15 minute

Let us convert the time taken to hours

\begin{array}{l}{1 \text { minute }=\frac{1}{60} \text { hours }} \\\\ {15 \text { minutes }=\frac{15}{60}=\frac{1}{4}} \\\\ {\text { 1 hour } 15 \text { minutes }=1 \frac{1}{4} \text { hours }=\frac{1 \times 4+1}{4}=\frac{5}{4} \text { hours }}\end{array}

<em><u>The average speed is given as:</u></em>

\text { Average speed }=\frac{\text { total distance }}{\text { total time taken }}

Plugging in the values, we get,

\text { Average speed }=\frac{290}{\frac{5}{4}}=\frac{290}{5} \times 4=232

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Step-by-step explanation:

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xenn [34]

Answer:

Step-by-step explanation:

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