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just olya [345]
3 years ago
15

Math need exact anwser pls!!!!!!

Mathematics
1 answer:
stiks02 [169]3 years ago
6 0
What’s the question
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A group of adults and students went on a class trip to Washington, DC. The number of male students was 1 more than 7 times the n
algol [13]
Alright.
So let's say the number of adults is x.
Therefore, the number of boys is 7x + 1.
And then the total amount of girls is 3.5x + 0.5
So then:
x + 7x + 1 + 3.5x + 0.5 = 82
11.5x + 1.5 = 82
11.5x = 80.5
x = 7
So now we can figure out the number of male and female students.
Male students = 7x + 1
7*7 + 1
49 + 1
50
Male Students = 50
Female students = half of 50
50/2 = 25
Female Students = 25
4 0
3 years ago
a stone falls from a ledge and takes 8 seconds to the hit the ground. the stone has an original velocity of 0 m/s. how tall is t
Verizon [17]
Using equation of motion.

S = ut + (1/2)gt²

Where S = Height, t = time, g = acceleration due to gravity = 9.8 m/s²

time, t = 8 seconds 

Since it was dropped from height, initial velocity, u = 0

S = 0*t + (1/2)gt²

S = (1/2)gt²

S = (1/2)*9.8*8²  = 4.9 * 8 * 8 =  313.6

Therefore the ledge is 313.6 m tall.
6 0
3 years ago
Read 2 more answers
Which expression represents the distance between 1.8 and 9.4 on the number line?
zhuklara [117]

Answer:

|9.4-1.8|

Step-by-step explanation:

To find distance, you take the largest value minus the smallest value and then take the absolute value of that because distance can't be negative.

7 0
3 years ago
1) Moving a figure around a fixed point in the plane is called making a _ _ _
Tasya [4]

Answer:

isometry

Step-by-step explanation:

4 0
3 years ago
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Model rocket is launched from a raised platform at a speed of 176 feet per second. Its height in feet is given by h(t)=-16t^2+17
Marat540 [252]
<span><span>The first step is to find the vertex. You do this by using the formula </span>\frac{-b}{2a}. 
<span>
Plug in b and a into the equation: </span>\frac{-176}{2(-16)}
<span>
You get </span>5.5<span>

So, it takes 5.5 seconds to get to 504 feet
</span><span>
</span></span>
8 0
3 years ago
Read 2 more answers
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