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nasty-shy [4]
3 years ago
13

Pls help i don’t understand chemistry Also do a step by step thing so I understand it

Mathematics
1 answer:
Svetach [21]3 years ago
7 0

Answer:

CHEMISTRY IS THE BRANCH OF SCIENCE THAT DEALS WITH THE COMPOSITION,PROPERTIES,STRUCTURES AND CHANGES IN MATTER

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Help me I really need to get this done
posledela

Answer:

It’s the second one

Step-by-step explanation:

6 0
2 years ago
Anyone onow the answer. Need help Asap. Please!
Solnce55 [7]

Answer:

51

Step-by-step explanation:

area of the triangle= 1/2 (6-3)(13-7)

=1/2 (3)(6)

=9

area of rectangle= 6×7

= 42

therefore, area of shape = 42+9

=51

3 0
3 years ago
What is the answer in substiution y=2x-9 and y=3
ale4655 [162]

Answer:

x= -6

Step-by-step explanation:

7 0
1 year ago
Read 2 more answers
Find the y value for the point that divides the line segment CD into a ratio of 4:1.
7nadin3 [17]

Answer:

We also drew a graph with 2 examples.

Step-by-step explanation:

If we have the line segment  CD, we can divide it by 4: 1 as follows:

If point C has the coordinates (x1, z1) and point D has the coordinates (x2, z2), we calculate coordinate the points Y as follows:

y1 = (x2-x1) · 4/5

y2 = (z2-z1) · 4/5

In this way we have obtained the point Y with the coordinates (y1, y2), and the point Y divides the line segment  CD by 4:1.

We also drew a graph with 2 examples.

3 0
3 years ago
12 POINTS<br>Simplify i38. <br> i <br> −1 <br> −i <br> 1
Karolina [17]
Are you sure you've copied down the original problem exactly as given?  i38 = 38i can't be simplified.  Perhaps you meant i^38, which is a different matter.

Note that i^38 = i^32 * I^4 * I^2.

Note that i^0, i^4, i^8, etc., all equal 1.  Therefore,

i^38 = (1)(1)i^2 = 1*(-1) = -1 (answer)
3 0
3 years ago
Read 2 more answers
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