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dlinn [17]
2 years ago
14

——-GIVING 45 POINTS—— How many dots belong in the electron dot diagram of a boron atom?

Mathematics
2 answers:
Vikki [24]2 years ago
7 0

Answer:The answer is eight electrons

Step-by-step explanation:

Firlakuza [10]2 years ago
4 0

Answer:

how would i know?

Step-by-step explanation:

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On a sunny day, cindy notices that her shadow is 21 inches long. if it is 75 inches from the top of her head to the end of the s
Ray Of Light [21]
Cindy is 72 inches long. Imagine it like a right triangle. Her shadow is the base, she is the side, and the distance between her head and the end of the shadow is the diagonal line connecting the two. Use the Pythagorean theorem to find how tall cindy is.

a²+b²=c²        a=21, the length of the shadow
                       b= ? cindy's height
                     c= 75, the distance from her head to the edge of the shadow
21²+ b²=75²
441 +b² = 5625
-441         -441
------         -------
  0             5184
b² = 5184
√b² =√5184
b= 72

hope it helps
5 0
3 years ago
Lin and andre biked home from sxhool at a steady pace. Lin biked 1.5km and it took her 5 minutes. Andre biked 2km and it took hi
ch4aika [34]
Lin : 1.5 km in 5 minutes = 1.5 / 5 = 0.3 km per minute
Andre : 2 km in 8 minutes = 2 / 8 = 0.25 km per minute

so Lin is biking faster
4 0
3 years ago
Read 2 more answers
The full question is shown below
a_sh-v [17]

Answer:

n = 3

Step-by-step explanation:

Ratio from Triangle A to Triangle B is 2:1.

n+2 = 5

n = 3

8 0
2 years ago
What is the expression that means the same as 7 less than the square of a number? A. 7-2x B. 7-2× C. 7-x2 D. x2-7 ​
damaskus [11]
Answer d is correct!!!!!
4 0
3 years ago
Read 2 more answers
A substance has a density of 0.70 g/mL, if it has a volume of 3.0 mL, what is its mass?
Naddika [18.5K]

Answer:

<h2>2.1 g</h2>

Step-by-step explanation:

The mass of a substance when given the density and volume can be found by using the formula

mass = Density × volume

From the question we have

mass = 0.70 × 3

We have the final answer as

<h3>2.1 g</h3>

Hope this helps you

4 0
3 years ago
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