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guapka [62]
3 years ago
5

4.7 is 10 times as much as what number

Mathematics
2 answers:
Paha777 [63]3 years ago
7 0
0.47 is the correct answer, 0.47x10 = 4.7
viktelen [127]3 years ago
4 0

Answer: 4.7 is 10 as much as the number 0.47.

If you multiply 0.47 x 10 it will equal 4.7

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(Grade6math) Can somebody plz help answer all of these in simplify form (if u know how to) thanks so much :)
Gemiola [76]
1.= 1
2.= -15
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4 0
2 years ago
A particle moves on the hyperbola xy=18 for time t≥0 seconds. At a certain instant, y=6 and dydt=8. What is x that this instant?
professor190 [17]

Answer:

The value of x at this instant is 3.

Step-by-step explanation:

Let x\cdot y = 18, we get an additional equation by implicit differentiation:

x\cdot \frac{dy}{dt}+y\cdot \frac{dx}{dt} = 0 (1)

From the first equation we find that:

x = \frac{18}{y} (2)

By applying (2) in (1), we get the resulting expression:

\frac{18}{y}\cdot \frac{dy}{dt}+y\cdot \frac{dx}{dt} = 0 (3)

y\cdot \frac{dx}{dt}=-\frac{18}{y}\cdot \frac{dy}{dt}

\frac{dx}{dt} = -\frac{18}{y^{2}} \cdot \frac{dy}{dt}

If we know that y = 6 and \frac{dy}{dt} = 8, then the first derivative of x in time is:

\frac{dx}{dt} = -\frac{18}{6^{2}} \cdot (8)

\frac{dx}{dt} = -4

From (1) we determine the value of x at this instant:

x\cdot \frac{dy}{dt} = -y\cdot \frac{dx}{dt}

x = -y\cdot \left(\frac{\frac{dx}{dt} }{\frac{dy}{dt} } \right)

x = -6\cdot \left(\frac{-4}{8} \right)

x = 3

The value of x at this instant is 3.

4 0
3 years ago
Please help with these questions!!:))
Sonbull [250]

Answer:

The first one : decay

The second one : growth

When the argument of the exponential expression is bigger that 1 then it represents a growth

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8 0
3 years ago
Please answer correctly !!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!
brilliants [131]
X+20+16=90

x=54

54+20+16=90

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3 years ago
The two triangles formed by the flagpole and the man shown below are similar.
vagabundo [1.1K]
It’s gonna be 51 feet
5 0
3 years ago
Read 2 more answers
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