Lincoln Technical College has 856 students. They expect 700 guests for a special speaker. The custodian has set up 1,500 chairs. How many more chairs are needed if everyone is to have a seat?
Answers
Answer:
the answer would be 56 if you have plato your welcome =)
Step-by-step explanation:
Answer:
A. 56 more
Step-by-step explanation:
856 students + 700 guest = 1,556
The custodian only set out 1,500 chairs so 56 more are needed.
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Help me ♀️Hehdhxjjbduc eirbdudbdu
I need help... How do I work out questions like,6a³ ➗ 5a7r⁴ ➗ 4r²3c⁵ ➗ 2c²Please tell me the method.
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Coplanar is when they are the same plane so i don’t know what else it could be
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slope=-a/b
a paralel line has same slope
4x+y-2=0
4x+1y=2
slope=-4/1=-4
therefor the other line has to have a slopt of -4
y=mx+b
m=slope
b=y intercept
slope=-4
y=-4x+b
input a point tha we ar given (4,-3)
x=4
y=-3
-3=-4(4)+b
-3=-16+b
add 16
13=b
y=-4x+13
get to ax+by=c form
add 4y both sides
4x+y=13 is the euation
Answers
a.)102.02
a.)242.47
The volume of the cone can be expressed as:
where:
V - the volume of the cone,
r - the radius of the cone,
h - the height of the cone.
It is given:
h = 12 in
R = 2r = 5.7 in ⇒ r = 5.7 in ÷ 2 = 2.85 in
π = 3.14
Therefore, the volume of the original conical chamber (V₁)
Further, the new chamber is scaled by a factor of 1.5. That means that radius and height of the original chamber are increased 1.5 times:
r₁ = r · 1.5 = 2.85 in · 1.5 = 4.275 in
h₁ = h · 1.5 = 12 in · 1.5 = 18 in
The volume of the new chamber is:
The difference between two chambers is:
V₁ - V = 344.49 - 102.02 = 242.47
Answer:
a and a
Step-by-step explanation:
Answers
Answer:
6 cm
Step-by-step explanation:
I don't know may I use the trigonometry functions, therefor I'm going to use Pythagorean theorem and property of 30°-60°-90° triangle.
m∠ACB = 120° ⇒ m∠ACD = 60° ⇒ m∠DAC = 30°
DC is opposite to 30° angle ⇒ AC = CB = 8 cm
From ΔADC: AD² = 64 - 16 = 48 ; AD = 4√3 cm
ΔACB is isosceles ⇒ m∠CAB = m∠CBA = 30°
m∠DAH = m∠DAC + m∠CBA = 2(30°) = 60° ⇒ m∠ADH = 30° ⇒ AH = 4√3 ÷ 2 = 2√3 cm
From ΔADH: DH = = √36 = 6 cm
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Answer:
Z (0.10) = 1.282 (the Z-score which has 0.10 to the right, and 0.4000 between 0 and it). As a shorthand notation, the () are usually dropped, and the probability written as a subscript.
Step-by-step explanation:
hope this helped you if it did plz mark brainliest
Answers
Answer:
The correct option is B.
Step-by-step explanation:
It is given that Susan drove an average speed of 30 miles per hour for the first 30 miles of a trip & then at a average speed of 60 miles/hr for the remaining 30 miles of the trip.
Time taken by Susan in first 30 miles is
Time taken by Susan in remaining 30 miles is
Total distance covered by Susan is
Total time taken by susan to complete 60 miles trip is
Susan's avg speed in miles/hr for the entire trip is
The average speed of susan for entire trip is 40. Therefore the correct option is B.