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zmey [24]
3 years ago
13

I'm not sure ic I just leave like since I can't combine

Mathematics
1 answer:
sveticcg [70]3 years ago
5 0
2\sqrt{12} - 7\sqrt{3} 
= 4\sqrt{3} - 7\sqrt{3}
= Since, we have same bases, we can subtract!
= To get,
= -3\sqrt{3} Answer
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Can someone help me with this?
deff fn [24]

Answer:

the answer is 200

Step-by-step explanation:

4 0
3 years ago
4x+7=23. explain the steps you would use to solve the equation for x.​
yaroslaw [1]

Answer:

x=4

Step-by-step explanation:

1. isolate the variable by subtracting 7 on both sides: 4x=23-7

2. simplify: 4x=16

3. divide both sides by 4: x=16/4

4. simplify: x=4

5 0
3 years ago
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Billy’s gave his dad 1/2 of his cookie. How much did billy have left to eat
Ugo [173]

Answer:

literally just 1/2 of the cookie left

4 0
3 years ago
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The pyramid shown has a square base that is 14 centimeters on each side. The slant height is 15 centimeters. What is the surface
Ksenya-84 [330]
We know that

surface area=area of the base+4*[area of one lateral triangle side]

area of the base=b²
b is the side length of the square
b=14 cm
area of the base=14²-----> 196 cm²

area of one lateral triangle side=b*h/2
b is the side length of the square
b=14 cm
h is the height of the lateral triangle side
h is equal to the slant height 
h=15 cm

area of one lateral triangle side=14*15/2----> 105 cm²

surface area=196+4*[105]------> 616 cm²

the answer is
the surface area is 616 cm²
7 0
3 years ago
For an outdoor concert by the city​ orchestra, concert organizers estimate that 16 comma 000 people will attend if it is not rai
Sladkaya [172]

Answer:  13300

========================================

Work Shown:

A = event that it rains

B = event that it does not rain

P(A) = 0.30

P(B) = 1-P(A) = 1-0.30 = 0.70

Multiply the attendance figures with their corresponding probabilities

  • if it rains, then 7000*P(A) = 7000*0.30 = 2100
  • if it doesn't rain, then 16000*P(B) = 16000*0.70 = 11200

Add up the results: 2100+11200 = 13300

This is the expected value. This is basically the average based on the probabilities. The average is more tilted toward the higher end of the spectrum (closer to 16000 than it is to 7000) because there is a higher chance that it does not rain.

3 0
3 years ago
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