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Sergeu [11.5K]
2 years ago
15

5.

Mathematics
1 answer:
Serhud [2]2 years ago
7 0
3•4=12
16-12=4

She has 4feet left
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Please help, this chapter was on derivatives...
Usimov [2.4K]
<h3>Answer:  ds/dt = 11</h3>

================================================

Work Shown:

Before we can use derivatives, we need to find the value of s when (x,y) = (15,20)

s^2 = x^2+y^2

s^2 = 15^2+20^2

s^2 = 225+400

s^2 = 625

s = sqrt(625)

s = 25

-----------

Now we can apply the derivative to both sides to get the following.  Don't forget to use the chain rule.

s^2 = x^2 + y^2

d/dt[s^2] = d/dt[x^2 + y^2]

d/dt[s^2] = d/dt[x^2] + d/dt[y^2]

2s*ds/dt = 2x*dx/dt + 2y*dy/dt

2(25)*ds/dt = 2(15)*5 + 2(20)*(10)

50*ds/dt = 150 + 400

50*ds/dt = 550

ds/dt = 550/50

ds/dt = 11

-----------

Side note: The information t = 40 is never used. It's just extra info.

8 0
2 years ago
Solve the equation. 33= p - 6.71
Amiraneli [1.4K]
P=33+6.71
= 39.71
add 33+ 6.71
6 0
3 years ago
Read 2 more answers
Please help me 5 points Xd
SVEN [57.7K]

Answer:

-6

Step-by-step explanation:

next step is

-10 +4

you move the 4 to the other side

that equals -6

8 0
3 years ago
Read 2 more answers
Complete the pattern 274÷1=
Orlov [11]
The answer 274 because anything divided by one is itself
5 0
3 years ago
How do I draw a visual model using 1/6 of 18? Please help. I'm asking for my 5th grader. Thank you!
svp [43]

Answer:

Theory

Step-by-step explanation:

Take any 18 objects

For example in this case

Take 18 chocolates

\frac{1}{6} means one sixth , which practically means how many groups of 6 can be formed

So, Try to divide 18 into groups of 6

Count how many such groups are formed(it will be 3)

So one sixth of 18 is 3

That is, 18 comprises of 3 groups, each group containing 6 chocolates

5 0
2 years ago
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