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hichkok12 [17]
4 years ago
9

What is the measure of angle x?

Mathematics
2 answers:
In-s [12.5K]4 years ago
8 0
Hey there k12 student,

Simply just subtract both 102 - 31 to get x

102 - 31 = 71.

Hope this helps.
~Jurgen


sammy [17]4 years ago
4 0
The measure of x is 47 

Hope this helped
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(9)(8/9) in find the product?
liraira [26]
<span>Multiple: 9 * <span>8/9</span> =  (<span>9*8/1*9) </span>= <span>72/9</span> = 8/1 = 8
Multiply both numerators and denominators. Result fraction keep to lowest possible denominator <span>GCD(72, 9) = 9</span></span>
7 0
3 years ago
How much is (+2) + (-12)​
sergey [27]

Answer:

Subtract

2

from

−

12

.

−

14

Step-by-step explanation:

6 0
2 years ago
What is the total amount paid for a $60 meal with a 15% tip and 8% tax?
Taya2010 [7]

Answer:

I believe it would be 73.8 or if they are rounding up 74.

Step-by-step explanation:

15% of 60 is *9* and 8% of 60 is *4.8*

9+4.8=13.8

13.8+60=73.8.

4 0
3 years ago
I need 3 coordinates for this linear equation <br> -5x-18=-4y
Elden [556K]
I'd start by finding the x and y intercepts.  If x = 0, then y = 18/4 so your coordinate would be (0, 18/4).  When y = 0, then x = 18/5 so your coordinate would be (18/5, 0).  Now, if you solve it for y and pick a value for x, like 1 for example, you could find you y very easily.  y= \frac{5}{4} x+ \frac{18}{4}.  Choosing x = 1, you would get y = 5/4 + 18/4 and y = 23/4.  So your 3 coordinates could be (0, 18/4), (18/5, 0), and (1, 23/4)
4 0
3 years ago
In an exam, there is a problem that 60% of students know the correct answer. However, thereis 15% chance that a student picked t
SpyIntel [72]

Answer:

0.231

Step-by-step explanation:

Let the Probability of students that knew the correct answer be: P(A)

P(A) = 60% = 0.6

Let the Probability that the student picked the wrong answer even if he/she knows the right answer be: P(B)

P(B) = 15% =0.15

Let the Probability of the student that do not knew the correct answer Be P(C)

P(C) = 1 - P(A)

P(C) = 1 - 0.6

P(C) = 0.4

Let the Probability that the student does not know the right answer but guessed it correctly be: P(D)

P(D) = 25% = 0.25

Let the Probability that the student picked the right answer even if he/she knows the right answer be: P(E)

P(E) = 1 - P(B)

P(E) = 1 - 0.15

P(E) = 0.85

Probability that the student got the answer wrong = (0.60 X 0.15) + (0.40 X 0.75) = 0.39      

P( Student knew answer given he answered wrong) = \frac{P(Student knew answer) X P(Student answered wrong given he knew the answer}{0.39}

=\frac{0.6*0.15}{0.39}

=\frac{0.09}{0.39}

= 0.23076923077

= 0.231

6 0
4 years ago
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