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sleet_krkn [62]
3 years ago
7

4 students spent $12 on School lunch at this rate find the amount 10 students would spend on the same school lunch

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
7 0
10 students would pay $30
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A widget company produces 25 widgets a day,5 of which are defective.Find the probability of selecting 5 widgets from the 25 prod
MariettaO [177]

Answer:

0.292

Step-by-step explanation:

Combinations can be used to solve the following problem.

We are choosing 5 widgets from 25 = ²⁵C₅

We want to select zero widgets from defective widgets = ⁵C₀

From the 20 non-defective widgets we want to select 5 = ²⁰C₅

So the probability is:

P = ( ⁵C₀ * ²⁰C₅) / ²⁰C₅

P = (1 * 15504) / 53130

= 15504/ 53130

=0.292 ..

7 0
3 years ago
X/9 > 9 is the question and the answer is 81 but Iḿ not sure how my teacher got the answer 81
Oliga [24]

Answer:

81 < x

Step-by-step explanation:

\frac{x}{9} > 9 → x > 9 \times 9 → x > 81

* The above answer is written in reverse, which is the exact same result.

I am joyous to assist you anytime.

5 0
3 years ago
An amphitheater charges $74 for each seat in Section A, $59 for each seat in Section B, and $28 for each lawn seat. There are th
Ivenika [448]

Answer:

<h2>(4x+z)=13000------1</h2><h2>(4x+z)13000=503000----2</h2>

Step-by-step explanation:

let x be the number of seats in A,

y be the number of seats in B, and

z be the number of lawn seats.

y=3x

the total number of seats is given by

(x+y+z)=13000

put y=3x

(x+3x+z)=13000

(4x+z)=13000------1

also

(4x+z)13000=503000----2

hence the systems of equation is

(4x+z)=13000------1

(4x+z)13000=503000----2

7 0
3 years ago
There were 13,501 visitors to a museum in June.What is this number rounded to the nearest ten thosands?
svet-max [94.6K]

Answer:

10,000

Step-by-step explanation:

hope this helped <3

8 0
2 years ago
What is the solution set?<br><br> ​ 2x−6&gt;12<br><br> ​<br><br> Enter your answer in the box.
irina1246 [14]

Yo sup??

2x-6>12

2x>18

x>9

therefore solution set is

x belongs to (9,infinity)

Hope this helps

3 0
3 years ago
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