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dexar [7]
3 years ago
5

Evaluate the following expression. 10−9×5+6×(−2)

Mathematics
1 answer:
Svet_ta [14]3 years ago
7 0
According to the order of operations, evaluate all multiplication first.
10-45+-12

Then add and subtract from left to right
-35-12
-47

Final answer: -47
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9)
garri49 [273]

Answer:

tetrahedral

Step-by-step explanation:

According to the valence shell electron pair repulsion theory (VSEPR) the shape of a molecule is dependent on the number of electron pairs on the valence shell of the central atom in the molecule.

The predicted electron pair geometry may sometimes differ from the molecular geometry due to the presence of lone pairs and multiple bonds.

If we consider each nitrogen atom in N2 independently, we will notice that each nitrogen atom has four regions of electron density. Hence the electron pair geometry is tetrahedral.

3 0
3 years ago
Pls help me with this question
nasty-shy [4]

Answer:

Step-by-step explanation:

3x and 8x

6 0
3 years ago
Read 2 more answers
A chess club has 500 members but is losing 30 members each year. A computer club has 130 members and is gaining 20 members per y
zhannawk [14.2K]
Equation:
500-30x=130+20x
Since you want to find when they are the same, you put an equal sign. Also, since one is gaining and the other is losing, you have an addition and subtraction sign.
Solution:
370= 50x
x=7.4
Answer:
After 7.4 years, the clubs will have the same members, which is 278 members.
Tell me if this helps!!

7 0
3 years ago
How to round to the nearest thousandth
djyliett [7]

if the number we were rounding was 2.4784

Number to the right of the thousandth digit is 4.

Since 4 is less than 5 we round down and leave the

thousandth place digit unchanged.

Answer: 2.4780  

Remember: If less than 5, round down. If 5 or greater,  

round up.

Step-by-step explanation:

8 0
3 years ago
a business logo consists of a rectangle and a triangle. The area of the triangle is 36 square units and the area of the rectangl
-Dominant- [34]
It is already given in the problem that the area of the triangle logo is 36 square units and the area of the rectangle is 54 square units. Considering that there are no additional places in the logo except the triangle and the rectangle, we have to determine the percentage of the total area of the logo covered by the triangle.
NOw
Total area covered by the triangle and the rectangle logo = (36 + 54) square units
                                                                                           = 90 square units
Then
The percentage area covered by the triangle logo = (36/90) * 100 percent
                                                                                 = (36/9) * 10 percent
                                                                                 = (4 * 10) percent
                                                                                 = 40 percent
So 40 percent is the area covered by the triangle logo.So option "H" is the correct option in the given problem.
                                                                                
3 0
3 years ago
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