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melisa1 [442]
3 years ago
12

What is the hardest subject in Middle School?

Mathematics
2 answers:
nignag [31]3 years ago
5 0
For me it’s science
Ivanshal [37]3 years ago
4 0

Answer:

in my middle school it was history

Step-by-step explanation:

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Can somebody help me with this problem
soldier1979 [14.2K]
115 degrees because there are 180 degrees in a triangle so let the missing angle in the trinagle be x. Then we have x+75+40=180. Solving for x and subtracting that from 180 (supplementary angles) we get 115 degrees.
4 0
3 years ago
Solve (x + 3)2 – 5 = 0 using the quadratic formula.
Harlamova29_29 [7]

Answer:

Step-by-step explanation:

(x+3)² -5 =0 , use the formula (a+b) ² = a²+b²+2ab

x²+9 +6x -5 =0 , combine like terms

x²+6x +4 =0, use the quadratic formula x = (-b±√b²-4ac)/2a

x= (-6 ±√6²-4*1*4)/2*1

x= (-6 ± √36-16) /2

x= (-6±√20)/2

x=(-6 +2√5)/2 and x=( -6-2√5) /2, factor 2 in the numerator and simplify

x= -3 +√5 and x= -3 -√5

4 0
3 years ago
Below are the graphs of y=|x| and y=|x|-5. How are the functions related? The functions have the shape. The y-intercept of y=|x|
4vir4ik [10]

Answer:

same, 0, -5

Step-by-step explanation:

6 0
2 years ago
Which number is less than 2.167 × 10?
Xelga [282]
Answer: A
Step-by-step explanation
2.167x10^4 = 21,670
= 9,978
1.1x10^6
1100,000
= 56,344,000
2.468×10^5 = 246,800
4 0
1 year ago
Read 2 more answers
Ive been staring at this for a long time now, pls help<br>​
Luba_88 [7]

Answer:

9

Step-by-step explanation:

I replaced the missing variable with x and solved the equation from there.

6 0
2 years ago
Read 2 more answers
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