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Simora [160]
3 years ago
15

Please answer this question only if you know the answer!

Mathematics
1 answer:
Feliz [49]3 years ago
7 0

Answer:

  b.  6 cm

Step-by-step explanation:

Q is the midpoint of PR, so QR = PR/2 = (12 cm)/2 = 6 cm

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H(t) = -16t^2 + 40t +120
stira [4]

Answer:

h(t) = -16t^2 + 40t + 120

h(t) = -16(t^2 - 5/2*t) + 120

h(t) = -16(t^2 - 5/2*t + (5/4)^2 - (5/4)^2) + 120

h(t) = -16(t^2 - 5/2*t + (5/4)^2 - 25/16) + 120

h(t) = -16(t^2 - 5/2*t + (5/4)^2) + 120 + 25

h(t) = -16(t - 5/4)^2 + 145

The rock needs 5/4 = 1.25 seconds to travel to the highest point wich is 145 m high.


6 0
4 years ago
The sum of two numbers is 11. Their difference is 3. Find the numbers
Mademuasel [1]
The answer is 7 and 4/ 7+4+11 and 7-4=3!
8 0
3 years ago
Read 2 more answers
32 divided by 10-8 divided by 2-3
Alja [10]

Answer:

<h2>-3.8</h2>

Step-by-step explanation:

<h2>32÷10-8÷2-3</h2><h2>32÷10-4-3</h2><h2>3.2-4-3</h2><h2>3.2-7</h2><h2>-7.0-3.2</h2><h2>-3.8answer</h2>
8 0
2 years ago
A store has a 10% off sale on pants. With this discount, the price of one pair of pants before tax is $17.10 What was the origin
Leno4ka [110]

Answer:

$171

Step-by-step explanation:

A store has a 10% off sale on pants. With this discount, the price of one pair of pants before tax is $17.10 What was the original price of the pants?

Let x represent the original price of the pair of pants

From the question, we know that:

10% of x = $17.10

10/100 × x = $17.10

10x/100 = $17.10

Cross Multiply

10x = 100 × $17.10

10x = 1710

x = 1710/10

x = $171

Hence, the original price of the pants = $171

6 0
3 years ago
it takes 52 minutes for 5 people to paint 4 walls. how many minutes does it take 20 people to paint 20 walls
Daniel [21]
34 mins until the paint dries
4 0
4 years ago
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