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bixtya [17]
2 years ago
10

ILL GIVE BRAINLIST IF U ANSWER THIS QUESTION

Mathematics
1 answer:
Yakvenalex [24]2 years ago
7 0
57 degrees because 180-123= 57 degrees
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45% of the class is girls. There are 90 girls in the class. How many students are<br> in the class?
Stels [109]

Answer:

189

Step-by-step explanation:

45% x2= 90%

10% of 90= 9

90+90=180

plus that 10%

180 + 9 = 189

sorry if I'm wrong I'm trying

8 0
3 years ago
Helpppppppppppppppppp​
UNO [17]

Answer:

<em>2 solutions</em>

Step-by-step explanation:

Given the expression

2m/2m+3 - 2m/2m-3 = 1

Find the LCM of the expression at the left hand side:

2m(2m-3)-2m(2m+3)/(2m+3)(2m-3) = 1

open the bracket

4m²-6m-4m²-6m/(4m²-9) = 1

Cross multiply

4m²-6m-4m²-6m = 4m²  - 9

-12m = 4m²  - 9

4m²  - 9+12m = 0

4m² +12m-9 = 0

<em>Since the resulting equation is a quadratic equation, it will have 2 solutions since the degree of the equation is 2</em>

8 0
3 years ago
Pls help I’ll give brainiest to whoever helps
Gre4nikov [31]

Answer:

K'(-3,-2) and A'(-2,5)

Step-by-step explanation:

180 degree rotation = (x,y)---(-x, -y)

hence, if k=(3,2)

then k' = (-3, -2)

90 degree rotation clockwise= (x,y)--(y,-x)

hence if, A=(-5 , -2)

then, A'= (-2, 5)

7 0
3 years ago
Read the following two statements. Then, if possible, use the Law of Detachment to draw a conclusion.
jeyben [28]
<span>The hypothesis is : If Robbie wants to save money to buy a car. Conclusion : he must get a part-time job. 

Robbie already started the new job yesteday. So, that makes the hypothesis true. 

So, the conclusion would be : Robbie will save money to buy a car/ Robbie will buy a car.</span>
8 0
3 years ago
Read 2 more answers
PLZZZZZZZZZZ HELP ME I REALLY DONT WNA FAIL
anygoal [31]

Answer:

the answer is 1/2 and then 3/4

3 0
3 years ago
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