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Tems11 [23]
2 years ago
12

Which number is composite?

Mathematics
1 answer:
Triss [41]2 years ago
3 0

Answer:

81

Step-by-step explanation:

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If 4 workers take 900 hours to finish a project, how long will it take 8 workers to complete the same project?
butalik [34]

Answer: 350

Step-by-step explanation: If you multiply the amount of <em>workers</em> by two, then you divide the amount of <em>time </em>by two, and vice versa. So, in other words, whatever number you multiply the workers by, divide the time by that same number. I hope this helps!

6 0
2 years ago
Which of the following lines is perpendicular to the equation given below?
sukhopar [10]

the anser is

x- 2 y =6

x- 2 y =6

thats iit

4 0
2 years ago
a road rises 16 feet for every 50 feet of horizontal distance covered. in percent what is the grade of the road?
weeeeeb [17]

Answer:

32%

Step-by-step explanation:

The slope of the road is measured as

slope = \frac{rise}{run} = \frac{16}{50}

To express as a percentage multiply the fraction y 100% , that is

slope = \frac{16}{50} × 100% = 16 × 2 = 32%

4 0
2 years ago
How do i solve this? (1/3x-11)^(1/2)=5
photoshop1234 [79]
(\frac{1}{3} x-11)^{ \frac{1}{2} }=5\\ ((\frac{1}{3} x-11)^{ \frac{1}{2} })^{2}=(5)^{2}\\ \frac{1}{3} x-11=25\\ \frac{1}{3} x=36\\x=108
4 0
3 years ago
Read 2 more answers
If ∠A and ∠B are vertical angles, and ∠A = 98°, find ∠B.
Arturiano [62]
Answer:  [D]:  98°<span> .
______________________________________
Explanation:
______________________________________
Since vertical angles are congruent; 
and since </span><span>∠A and ∠B are vertical angles; 
 then:  m</span>∡A = m∡B .
______________________________________
So given:  m∡A = 98° ;  then m∡B = 98° .
______________________________________
4 0
2 years ago
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