2 years ago

Math is hard someone help!!

Mathematics

1 answer:

Firlakuza [10]2 years ago

8 0

Answer:

thanks hope it's will helpful

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To get a final grade of B, a student must have an average mark on five tests that is greater than or equal to 80 and less than 9

yulyashka [42]

Answer:

Lisa must get an 88.75 or higher to stay in between 80 and 90.

Step-by-step explanation:

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2 years ago

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The sum of 6 consecutive even numbers is 270.What is the second number in this sequence?

Finger [1]

Answer: 42

Step-by-step explanation:

Let the six consecutive even numbers be x , x+2 , x+4 ,x+6 ,x+8 ,x+10.

Then According to the question , we have

$x+(x+2)+(x+4)+(x+6)+(x+8)+(x+10)=270\\\\\Rightarrow\ x+x+2+x+4+x+6+x+8+x+10=270\\\\\Rightarrow\6x+30=270\\\\\Rightarrow\ 6x=270-30\\\\\Rightarrow\ 6x=240\\\\\Rightarrow\ x=40$

Now, the second number from the above six consecutive even numbers is x+2.

Substitute the value of x in it, we get

The second number in this sequence = $x+2=40+2=42$

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3 years ago

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Does anyone know this? Please help! ASAP!!!

Fudgin [204]

The answers:
a=4
b=5
c=6
d=1

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2 years ago

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What is the value of sin(60°+0) - sin(60°+0)?

neonofarm [45]

Answer:

Step-by-step explanation:

Let us take sin(60 degree + theta) =x

Substituting x in equation

=> x-x

=> 0

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3 years ago

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Give an example of an addition problem in which you would and would not group the addenda differently to add

Ann [662]

Pemdas if you don't know what they are it looks like this.. (4+5)-5+4
similar to that.....
I am pretty sure you wouldn't add that in a agenda because of the different properties it has but there are plenty more ways i just haven't figured them out

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3 years ago