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lesantik [10]
2 years ago
12

IM ALMOST DONE WITH MY DIAGNOSTIC YAY!!!!​

Mathematics
2 answers:
Harman [31]2 years ago
8 0
The answer is 27units!! i think i am right
k0ka [10]2 years ago
4 0

Answer:

27 cubic units

hope this helps

have a good day :)

Step-by-step explanation:

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PLEASE HELP! WILL UPVOTE!
bagirrra123 [75]
Just "plug n chug" as my teacher would say. In other words, replace the letters with the values. 

Choice A is (7,19) which means x = 7 and y = 19. Let's replace the x and y value with these numbers in both equations. If we get a true equation, then we found the answer. 

2x-y = -5
2*7-19 = -5
14-19 = -5
-5 = -5 ... true
So that works. Let's try the other equation
x+3y = 22
7+3*19 = 22
7+57 = 22
64 = 22 ... false 
So choice A is NOT the answer because of this. Let's try out choice B
2x-y = -5
2*4-9 = -5
-1 = -5 ... false
so B doesn't work either. How about C? 
2x-y = -5
2*8-21 = -5
-5 = -5 ... that works
x+3y = 22
8+3*21 = 22
71 = 22 ... but this is false
So D has to be the answer. Let's check to confirm or not
2x-y = -5
2*1-7 = -5
-5 = -5 ... true
x+3y = 22
1+3*7 = 22
22 = 22 ... true
BOTH equations are true at the same time so (1,7) is definitely the final answer


6 0
3 years ago
there are 30 students in the classand 24 of these students pass their english test.what percentage of these students pass their
GaryK [48]

Step-by-step explanation:

Total students-30

No.of students pass their English test-24

24/30 X 100=80%

So,80%students pass their test

5 0
2 years ago
se technology to solve 4x−11=3.2x+13. Enter the solutions in the boxes. Write the lesser solution first. Round to the nearest te
Zielflug [23.3K]

Answer: x=30

Step-by-step explanation: if you were looking for the value of x, hope this helps!

first, you have to make sure that the correct values are on the right side to allow us to find the answer faster and easier. your modified formula should look like this: 4x-3.2x=11+13

if you do the operations on each side, it will look like this: 0.8x=24, from here, all you have to do now is divide 24 by 0.8 to get the X value, which will result in 30!

8 0
3 years ago
If a ray divides an angle into two complementary angles, then the original angle is a right angle
lilavasa [31]
No as complementary angles add up to whisk 180 degrees, however supplementary angle would be true for this question
5 0
2 years ago
Read 2 more answers
I need some help pls :'(
Luda [366]

Answer:

a

Step-by-step explanation:

4 0
2 years ago
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