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Ksivusya [100]
2 years ago
5

PLEASE HELP IN ALGEBRA

Mathematics
1 answer:
Aleksandr [31]2 years ago
7 0

Sound, earthquakes, the brightness of stars, and chemistry, such as pH balance, a measure of acidity and alkalinity, are all instances of this.

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What is the common difference for this arithmetic sequence?<br> -5, -1, 3, 7, 11, ...
shutvik [7]
It’s 4

7-11= 4
3-7= 4
and so on

Hope it helps:)
3 0
3 years ago
On a snowy day 85% of the students of Wilson high school were present. If 572 of the students were present, how many students we
r-ruslan [8.4K]

Answer:

673

Step-by-step explanation:

okay so uh this is my way and the answer works so like yea teachers dont show like this but ii figured this works

okay so

85/100 = 572/?

so if you divide 85 by 85 its gonna equal 1 and 1 times 100 is gonna be 100

useing the same concept, it should be the same with 572 , but instead of divideing by 572, divide by 85.

basically 572/85

okay now thats gonna give you 6.72941176471 thats vasically 1% of the population.

so multiply 6.72941176471 * 100

so now you have

672.941176471 and you can round this to 673 kids.

and you know its right since 85% of 673 is 572.05 and you can sound to 572

7 0
2 years ago
Read 2 more answers
Who can answer this Algebraic Expression for me?<br><br>3(m-5)+m​
egoroff_w [7]
Simply. 4m - 5.

3(m-5)+m

First, use distributive property

3m-15+ m

Combine like terms

3m + m

The answer

4m - 15


3 0
2 years ago
3x+4y=11 x-2y=2 solve the system of equations
Ghella [55]
Answer
4.667

Step by step explanation

1.1 Solve 14x-3y+2=0
8 0
3 years ago
Find the value of x in the equation below. 3x = 18
Oxana [17]

Answer:

x=6

Step-by-step explanation:

you need to get x alone so you divide by 3 on both sides

hope this helps!!! :)

example:

3x/3= 18/3

x=6

4 0
3 years ago
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