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sineoko [7]
3 years ago
6

I need help with multiple choice plz help no guess

Mathematics
2 answers:
ozzi3 years ago
7 0
I suggest you go to khan acadamey on youtube and look up this topic.


2: 23

3: B



hold on a sec i will keep answering but i wil post this part ill add the rest in the comments





 
Alex17521 [72]3 years ago
5 0
Answer for number 2 is c
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Need help pls asap. 40 points
tia_tia [17]

Answer:

8.04

Step-by-step explanation:

Solution 1

x= r- 4.5= 25.2/2 - 4.5= 8.1

Solution 2

x= √(25.2/2)² - 9.7²= √64.67= 8.04

refer to attachment

6 0
3 years ago
Is 36/121 a perfect square
Romashka-Z-Leto [24]

Answer:

Step-by-step explanation:

Yes

7 0
3 years ago
Read 2 more answers
in a triangle TRY measure angle R is 3 times measure angle T and measure angle Y is 15 more than measure angle T find the measur
r-ruslan [8.4K]

Answer:

Angle R is 99 degree

Angle Y=48 degrees

Angle T is 33 degrees

Step-by-step explanation:

Let angle T be x

Angle R will be 3x

Angle Y will be x+15

Total=x+3x+x+15=5x+15

5x+15=180

5x=165

x=165/5=33

Therefore, angle T is 33 degrees, angle Y=15+33=48 degrees and angle R=33*3=99 degrees

5 0
3 years ago
What are the number of integral solutions of the equation 2x+2y+z=20 such that x>=0 , y>=0 , z>=0?
zaharov [31]
2x+2y+z=20\\
z=\dfrac{20}{2x+2y}\\
z=\dfrac{10}{x+y}

Now, for z to be an integer, the sum x+y must be a divisor of 10. 
It has to be a positive divisor since z≥0. Also x≠y.

x+y=1 \\
x=1-y\\

x≥0 and y≥0 so y can be equal to either 0 or 1. There are 2 solution in this case.

x+y=2\\
x=2-y\\
In this case, y can be equal to 0,1, or 2, but for y=1 ⇒ x=1, so there are two solutions.

x+y=5\\
x=5-y
y can be 0,1,2,3,4 or 5 - 6 solutions

x+y=10\\
x=10-y
y can be 0,1,2,3,4,5,6,7,8,9,10, but for y=5 ⇒ x=5, so 10 solutions.

2+2+6+10=20 solutions in total.
6 0
3 years ago
Find the measure of the missing angels.
Leviafan [203]

Answer:

'b' and 'c' = 119 degrees

Step-by-step explanation:

Given that this is a basic intersection of straight lines, we can assume 'b' and 'c' are equal as well as the given angle and it's opposite. Given 61 degrees and and two straight lines we can just take 180 degrees - 61 degrees and we get 119 degrees, I solved for 'b', but this will give the same answer for 'c', as 'b' and 'c' are equal.

6 0
3 years ago
Read 2 more answers
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