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Brilliant_brown [7]
2 years ago
10

Kayla buys 5 candles for x dollars each and 5 candle holders for $3.50 each. Kayla spends a total of $27.50 for the candles and

candle holders.
Mathematics
1 answer:
wolverine [178]2 years ago
7 0
What is the question?
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What is v6/v5 in simplest radical form?
ira [324]

Answer: \sqrt{30}/5

Step-by-step explanation:

You should get this answer because the simpliest form of a radical is that you shouldn't have any radical in the denominator. In order to get rid of the radical sign in the denominator, you have to multiply the numerator and the denominator with the \sqrt{5}.

Look at the image below for further explanation

Download pdf
6 0
3 years ago
Someone solve these equations with working really appreciate it
nignag [31]

Answer:

a) t = \sqrt{\frac{d}{4.9} }

b) t = 0.3 seconds

c) d = 4.9t²

d) d = 11 cm.

Step-by-step explanation:

One test involves catching a 1 m ruler and measuring the distance, d in meters, that the ruler will travel before being caught, the reaction time t in seconds is then calculated using the formula

t = \sqrt{\frac{2d}{9.8} } .......... (1)

a) the simplified expression is

t = \sqrt{\frac{d}{4.9} } ......... (2)

b) If d = 44 cm = 0.44 meters, from equation (2) we get,

t = 0.299 seconds ≈ 0.3 seconds (Approximate)

c) If we make d as the subject of the equation, then

t^{2} = \frac{d}{4.9}

⇒ d = 4.9t² .......... (3)

d) Now, if t =  \frac{0.3}{2} = 0.15 seconds, then from equation (3) we get,

d = 4.9 (0.15)² = 0.11 meters = 11 cm (Answer)

4 0
3 years ago
The expression 6(x − 5)
grigory [225]

Answer:

6x-30

Step-by-step explanation:

expand the brackets

6×x

6×-5

5 0
3 years ago
12 batteries cost $17<br><br> Find the unit rate
Vedmedyk [2.9K]

Answer:

Step-by-step explanation:

17/12= 1.4166

Round so it’s 1.42

Unit rate= $1.42 PER battery

8 0
2 years ago
What is the slope of y=4x
zepelin [54]

Answer:

The slope is 4...

Step-by-step explanation:

y = mx + c

y = 4x

compare both..

4 0
3 years ago
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