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svetlana [45]
3 years ago
15

Someone please help me solve this. I’ve tried solving it l but my answer is always wrong

Mathematics
1 answer:
sergij07 [2.7K]3 years ago
7 0

Answer:

I think it is 636 pounds

Step-by-step explanation:

if I'm right plz give me brainliest

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The local movie theater collected a total of 8250 last night, of which 45% came from sales at the concession stand. How much mon
mel-nik [20]
The theater collected $3,712.50 at the concession stand. How I determined this answer:

Alright, so you already know the total amount the theater collected ($8,250) and the percent of sales which came from the concession stand (45%). Your first step is to change the given percentage into a decimal, as shown below:

To change 45% into a decimal, you have to move the invisible decimal point two places to the left:
45(.)% becomes .45

Now that you have changed your percent into a decimal, your next step is to multiply the total sales the theater made last night with your decimal, as shown below:

Multiply the total sales ($8,250) x (.45)
$8,250 x .45 = $3,712.50.

So the theater made a total of $3,712.50 at the concession stand last night.
7 0
3 years ago
If a cannonball is shot directly upward with a velocity of 160 ft per​ second, its height above the ground after t seconds is gi
Contact [7]

Step-by-step explanation:

If a cannonball is shot directly upward with a velocity of 160 ft per​ second. Its height as a function of time is given by :

h(t)=160t-16t^2 .......(1)

t is in seconds

(a) Velocity is given by :

v=\dfrac{dh}{dt}\\\\v=\dfrac{d(160t-16t^2)}{dt}\\\\v=(160-32t)\ ft/s  

Acceleration is given by :

a=\dfrac{dv}{dt}\\\\a=\dfrac{d(160-32t)}{dt}\\\\a=-32\ ft/s^2

(b) For maximum height put \dfrac{dh}{dt}=0

i.e.

160-32t=0\\\\t=5\ s

Put t = 5 s in equation (1). So,

h(5)=160t-16t^2\\\\h(5)=160(5)-16(5)^2\\\\h(5)=400\ ft

(c) When the ball reaches ground, its height is equal to 0. So,

h(t) = 0

160t-16t^2=0\\\\t(160-16t)=0\\\\t=0,t=10\ s

Hence, this is the required solution.

4 0
3 years ago
If (x−4)2=7, what values of x make the quadratic equation true?
GrogVix [38]

Answer:

Step-by-step explanation:

Take the square root of both sides.

sqrt(x - 4)^2) = +/- sqrt(7)

x - 4 = +/- sqrt(7)                Add 4 to both sides

x = 4 +/- sqrt(7)

Answer: C

3 0
2 years ago
In an orchard, there are 6 apple trees for every 4 pear trees. Create a ratio table to determine the number of apple trees in th
tamaranim1 [39]

Answer:

Step-by-step explanation:42 divided by 6= 7 and then times 7 by 4 to get 28 which leaves you with the ratio 2:8

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3 years ago
One batch of mint green paint is made by mixing 5 cups of white paint with 1 cup of green paint.
cestrela7 [59]

Answer:

C)Gustavo used a simulation where the data is qualitative.

Step-by-step explanation:

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3 years ago
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