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densk [106]
3 years ago
12

PLZ I NEED QUIVK HELP WHOEVER ANSWERS THIS QUESTION IN 5 MINUTES GETS THE BRAINLIEST!!! Miss Hendersoon, the math teacher at Ber

kmar has a coupon for $2.50 off any item at Sports Academy Inc. What will be the new cost a sports item that costs $13.99 if she were to use her coupon?
Mathematics
1 answer:
zmey [24]3 years ago
4 0

$11.49 should be the answer

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A group of workers can plant 18 acres in 6 days.<br> What is their rate in acres per day?
Kamila [148]

Divide total acres by total days:

18 acres / 6 days = 3 acres per day.

The rate is 3 acres per day.

4 0
3 years ago
Having trouble answering these
tensa zangetsu [6.8K]

Answer:

i can't see clearly

Step-by-step explanation:

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3 years ago
After grabbing some food from the cafeteria, Ray trips causing his food to go up in the air before hitting the ground. The parab
Dahasolnce [82]

The maximum height of the tray is 1.8 meters and the tray is in the air for 2 seconds

<h3>The maximum height of the tray</h3>

The distorted information (i.e. the function) in the question is:

h(t) = -0.2t^2 + 0.4t + 1.6

Differentiate the function

h'(t) = -0.4t + 0.4

Set to 0

-0.4t + 0.4 = 0

Subtract 0.4 from both sides

-0.4t = -0.4

Divide by -0.4

t = 1

Substitute t = 1 in h(t) = -0.2t^2 + 0.4t + 1.6

h(1) = -0.2(1)^2 + 0.4(1) + 1.6

Evaluate

h(1) = 1.8

Hence, the maximum height of the tray is 1.8 meters

<h3>Time spent in the air</h3>

In (a), we have:

t = 1

This represents the time to reach the maximum height.

The time spent in the air is:

T = 2t

This gives

T = 2 * 1

T = 2

Hence, the tray is in the air for 2 seconds

Read more about quadratic functions at:

brainly.com/question/11535666

#SPJ1

7 0
1 year ago
2e=2 solve the question <br><br><br> E=
lukranit [14]

Answer: E=1

Step-by-step explanation:

because 2 times 1 is 2 or any number multiplied by 1 is itself

6 0
2 years ago
Read 2 more answers
10. Given that the total distance travelled is 4 km and that the initial aceleration is 4 m/s², find:a) the value of V.b) the va
andrezito [222]

The initial deceleration is 4 m/s^2, so this means that considering the first line segment, \frac{V-100}{T}=-4 \implies V=100-4T.

The total distance traveled is 4 km, which is equal to 4000 meters. This is equal to the area under the graph, so 400T-\frac{1}{2}(100-V)(5T)=4000.

400(100-4T)-\frac{1}{2}(4T)(5T)=4000\\\\40000-1600T-10T^2=4000\\\\10T^2 +1600T-36000=0\\\\T^2 +160T-3600=0\\\\(T+180)(T-20)=0\\\\T=20 (T > 0)\\\\\therefore V=100-4(20)=20

6 0
1 year ago
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