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Nataliya [291]
2 years ago
8

Ill give brainliest if you can help me quick!!!!

Mathematics
1 answer:
alexandr402 [8]2 years ago
5 0

Answer:

c?

Step-by-step explanation:

im not a pro but try it

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Kim make 4 cakes in 3 hrs how long will it take to make 48 cakes
wolverine [178]

36 hours use cross multiplication


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3 years ago
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The 1992 world speed record for a bicycle (human-powered vehicle) was set by Chris Huber. His time through the measured 200 m st
Reil [10]

Answer:

a) 30.726m/s and b) 5.5549s

Step-by-step explanation:

a.) What was Chris Huber’s speed in meters per second(m/s)?

Given the distance and time, the formula to obtain the speed is

v=\frac{d}{t}.

Applying this to our problem we have that

v=\frac{200m}{6.509s}= 30.726m/s.

So, Chris Huber’s speed in meters per second(m/s) was 30.726m/s.

b) What was Whittingham’s time through the 200 m?

In a) we stated that v=\frac{d}{t}. This formula implies that

  1. t=\frac{d}{v}.

First, observer that 19\frac{km}{h} =19,000\frac{m}{h}=\frac{19,000}{3,600}m/s= 5.2777m/s.

Then, Sam Whittingham speed was equal to Chris Huber’s speed plus 5.2777 m/s. So, v=30.726\frac{m}{s} +5.2777\frac{m}{s}= 36.003 m/s.

Then, applying 1) we have that

t=\frac{200m}{36.003m/s}=5.5549s.

So, Sam Whittingham’s time through the 200 m was 5.5549s.

5 0
3 years ago
If f(x) = 1/2x^2 - (1/4x +3), what is the value of<br> f(8)?
Mekhanik [1.2K]

Answer:

9

Step-by-step explanation:

4 0
2 years ago
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What is the distance between -12 and 3
lesantik [10]
15 units because I need to have
3 0
3 years ago
Hey can you please help me posted picture of question :)
scoray [572]
X^2-7x+38=5x+3
x^2-7x+38-5x-3=5x+3-5x-3
x^2-12x+35=0
Factoring:
(x-5)(x-7)=0
Two solutions:
x-5=0→x-5+5=0+5→x=5
x-7=0→x-7+7=0+7→x=7
Answer: x=5 and x=7

Answer: Options B. 7  and D. 5
3 0
3 years ago
Read 2 more answers
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