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den301095 [7]
3 years ago
6

Find value of X. Please show steps:)

Mathematics
1 answer:
Viefleur [7K]3 years ago
4 0
10 degrees is in a 90 degree angle 
90-10 =80
use sin 
sin(80)=9/x
get x alone
x=9/sin(80)

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A bag contains 28 marbles: 9 black, 14 red, and 5 blue. A marble is drawn from the bag at random.
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steps

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Question 1. Which of the following is not true for the equation six times d equals twelve?
Deffense [45]
Q1. The answer is To solve, you must divide both sides by 6

The equation is:   6d = 12
<span>Multiplication is the inverse operation: TRUE -         6d = 12      d = 12/6
Checking the solution involves multiplication: TRUE -    6 * 2 = 12
The equation represents the number that gives twelve when multiplied by 6: TRUE     d is </span>the number that gives twelve when multiplied by 6<span>
To solve, you must divide both sides by 6: false


Q2. The answer is 18
</span><span>
x - the number of students

The students were divided equally among 3 chaperones: 3 chaperones per x
Each chaperone supervised 6 students: 1 chaperone per 6 students
 
3 : x = 1 : 6
x = 3 * 6 : 1
x = 18


Q3. The answer is </span><span>t is greater than or equal to five.
</span>
It will take Harlon at least five years to complete his college degree. The key word is at least. This means that it can include number 5 as well. He may need 5 years, 6 years, 7 years,... Hence, t is greater than or equal to five.


Q4. The answer is <span>1.2
</span>
<span>p over zero point three + 2 = 6
p/0.3 + 2 = 6

multiply both sides by 0.03
p + 2 * 0.3 = 6 * 0.3
p + 0.6 = 1.8
p = 1.8 - 0.6
p = 1.2


Q5. The answer is 2.

</span><span>16w = 32

Divide both sides by 16
16w/16 = 32/16
w = 2</span>
8 0
3 years ago
Wich number does not represent a whole number
erica [24]
C. 20/4 because a fraction isn’t a whole number.
7 0
3 years ago
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