Answer:
The answer to the question mark is 95°
Step-by-step explanation:
First let's look at the 155°:
Since a straight line is automatically 180°, to find the other side of the length (aka one of the missing parts of the triangle), you would do 180-155. You will then get 35 as your answer.
Using that same 35 number:
Now, in a triangle, the total number of degrees in ALL triangles is 180 NO MATTER WHAT! Since we now have two angles, we just need to add them together and subtract by 180. 35 + 60 = 95. 180-95 = 85.
Now for the ? mark:
Remember when I said that a straight line equals 180? Well, now that we have one side of the line, (85), all we need is the other. 180-85=95. Therefore, the answer is 95°.
Answer:
0
Step-by-step explanation:
78/17 gives 4.588
In rounding up numbers, 1 to 4 is rounded up to zero, while numbers 5 to 9 will be rounded up to 1.
In the question above, we are asked to round up to the nearest 10. And then 78/17 gives 4.588
This number is between 0 and 10.
The whole number there is 4. Therefore, 4 will be rounded up to Zero.
If the question and us to round up to the nearest whole number, as we have 4.588
The number before the whole number 4 is 5 (the tenth digit), and then 5 will be rounded up to 1. That 1 will hence be added to 4.
4+1= 5. To nearest whole number, it is 5 but to nearest ten, it is 0
Answer:
im gonna assume the 10 - 20 is what the equation is = to if not x wouldnt be = to anything x = -1.5
Step-by-step explanation:
-2.25x + 8.75x = 10-20
-2.25x+ 8.75x = -10
6.50x = -10 divide both sides by 6.5
x = -1.5
Answer:
or
(see explanation)
Step-by-step explanation:
This problem is asking about compound probability, what is the probability of this even happening three times in a row.
Since there are 20 boy's names and 20 girl's names in the hat, one can say that half of the names in the hat. Assume that after drawing it from the hat, the name is put back into the hat. Therefore, on each night, there is a half-chance of the event happening. To find the probability of the event, one must multiply () by itself (3) times,
In this case, assume that after each drawing the name is not replaced into the hat. This means that after every draw, one must subtract (1) from both the numerator and denominator of the fraction when the fraction is in the un-simplified form.
Simplify,
So
C=10
3c+c/2c means
3(10)+10/2(10)
30+10/20
40/20=2