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geniusboy [140]
2 years ago
12

Why are prefixes used in naming covalent compounds

Mathematics
1 answer:
Nataly_w [17]2 years ago
6 0

Answer:

the atoms can have different numbers of valence electrons

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chef Diana purchase 10 1/2 pounds of beef and 5 1/2 pounds of pork to make meatloaf for her restaurant on the weekend she uses 1
natita [175]
Add the total purchase then subtract the used amount from it. U'll get 2 1/3.
3 0
3 years ago
IV.Activity
Elanso [62]

Answer:

bat and pad is correct answer

5 0
3 years ago
The sum of two consecutive ODD integers is -76. Find the integers.​
alexandr1967 [171]

Answer:

First number: -39

Second number: -37

Step-by-step explanation:

An odd number can be written as 2n+1 where n is a whole number.

Let's call our first number 2n+1.

Our second, consecutive number will be 2 more than our first number, since it has to be odd. All numbers go: odd -> even -> odd -> even. If we have an odd number, and add 2, we'll get the next odd number.

First number: 2n+1

Second number: 2n+1+2 = 2n+3

The sum of these two numbers, 2n+1 and 2n+3 will be -76.

(2n+1) + (2n+3) = -76

2n + 2n + 1 + 3 = -76

4n + 4 = -76

4n = -80

n = -20

Since our first number is 2n+1:

2 * (-20) + 1 = -40 + 1 = -39

First number: -39

Our second number is 2n+3, or 2 more than our first number.

-39 + 2 = -37

Second number: -37

We can double check this:

-39 + (-37) = -39 - 37 = -76

7 0
3 years ago
Which equation has a graph that is a parabola with a vertex at (5,3)?
lara [203]

Answer:

y =  (x -5)² + 3.

Step-by-step explanation:

Given : parabola with a vertex at (5,3).

To find : Which equation has a graph that is a parabola.

Solution : We have given vertex at (5,3).

Vertex form of parabola : y = (x -h)² + k .

Where, (h ,k )  vertex .

Plug h = 5  , k= 3 in vertex form of parabola.

Equation  :y =  (x -5)² + 3.

Therefore, y =  (x -5)² + 3.

6 0
3 years ago
Chloe drives from her house to her grandmas house 48 miles away in an hour and 12 minutes. How fast was she driving on average?
mestny [16]

Answer:

40 miles per hour

Step-by-step explanation:

change hours and minutes to hours

12 minutes  = 12 minutes * 1 hr/ 60 minutes = 12/60 hrs

12/60 = 1/5 = .2 hours

1 hours 12 minutes = 1.2 hours


48 miles in 1.2 hours

48/1.2 = 40 miles/hour


5 0
3 years ago
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