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notsponge [240]
3 years ago
7

What are the original substances called in a chemical reaction?

Mathematics
2 answers:
soldi70 [24.7K]3 years ago
7 0
The original substances in a chemical reaction are called reactants.


This is because these substances react with one another to make the “products” in a chemical equation or the end result.
yulyashka [42]3 years ago
3 0

Answer:

reactants

A chemical reaction is the process in which atoms present in the starting substances rearrange to give new chemical combinations present in the substances formed by the reaction. These starting substances of a chemical reaction are called the reactants, and the new substances that result are called the products.

Step-by-step explanation:

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What is fifteen lots of sixteen?
Brilliant_brown [7]

Answer:

240

Step-by-step explanation:

fifteen lots of sixteen = 15x16

15x16=240

4 0
2 years ago
27.) When 7 is added to 3 times a certain number, the result is 22”
ANTONII [103]

The number is 5/2 or 2.5

7 is added to six times a number, the result is 22

The number sentence is interpreted this way:

7+6n=22

6n=22–7

6n=15

The goal here is to find out the value of n.

Let’s divide both sides of the equation with 6

6n/6=15/6

n= 5/2 or 2.5

Let’s check by substituting the value of n to the given equation.

Always remember to follow the PEMDAS rule. We will deal with Multiplication and Addition after.

If n=2.5

7+6n=22

7+6(2.5)=22

7+15=22

22=22

Given the result, this means that the value of the number represented by n is 2.5 or 5/2.

6 0
3 years ago
Read 2 more answers
Use the inverse of the function y = x2 − 18x to find the unknown values.
Lerok [7]

ANSWER

b=1, c=81, and d=9.

EXPLANATION

The given function is:

y={x}^{2}-18x

This function is the same as:

y={(x - 9)}^{2}-81

To find the inverse of this function, we interchange x and y.

x={(y-9)}^{2}-81

Solve for y:

x+81={(y- 9)}^{2}

Take square root of both sides:

\pm \sqrt{x + 81}=y-9

y=\pm \sqrt{x + 81}+9

Hence,

b=1, c=81, and d=9.

7 0
3 years ago
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Write the equation of the line in slope-intercept form.
finlep [7]
Answer
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y=2x-7

Explanation
m = the “common difference” between two points
In this graph, it’s 2 because every time the line moves across the x axis by 1, it increases in 2 in the y axis

b = the point that intercepts the y axis; the y-intercept
In this graph, the point intercepts the y axis at -7 (the y-intercept is -7)
7 0
3 years ago
Subtract :100111²-1101²​
Ulleksa [173]

Answer:

10021000120

i think so ots huge number

4 0
3 years ago
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