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andrew11 [14]
4 years ago
9

How many inches are in a foot

Mathematics
2 answers:
pickupchik [31]4 years ago
8 0
12 inches in foot.......
rjkz [21]4 years ago
5 0
12 inches are in a foot
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I need help on finding the next terms on this pls help
Katena32 [7]

Answer: -5, -7, and -9

Step-by-step explanation:

checking the pattern they are subtracting by two by the next term, so subtracting 2 from -3 would be -5 and so on.

4 0
4 years ago
Atraeus is solving the quadratic equation by completing the square. 7x2 – 14x + 6 = 0 7x2 – 14x = –6 A(x2 – 2x) = –6 What is the
Vedmedyk [2.9K]
So we first minus 6 both sides
7x^2-14x=-6
then we have
A(x^2-2x)=-6
what is A?

hmm (this should be painfully obvous, but if not, here are steps)

7x^2-14x=-6
A(x^2-2x)=-6

7x^2-14x=-6=A(x^2-2x)
7x^2-14x=A(x^2-2x)
undistribute 7
7(x^2-2x)=A(x^2-2x)
divide both sides by (x^2-2x)
7=A

A=7
3 0
4 years ago
Read 2 more answers
Determine whether the given function is a solution to the given differential equation.
lesantik [10]

Given :

A function , x = 2cos t -3sin t               .....equation 1.

A differential equation , x'' + x = 0      .....equation 2.

To Find :

Whether the given function is a solution to the given differential equation.

Solution :

First derivative of x :

x'=\dfrac{d(2cos t - 3sin t)}{dt}\\\\x'=\dfrac{d(2cost)}{dt}-\dfrac{(3sint)}{dt}\\\\x'=-2sint-3cost

Now , second derivative :

x''=\dfrac{d(-2sint-3cost)}{dt}\\\\x''=-\dfrac{d(2sint)}{dt}-\dfrac{d(3cost)}{dt}\\\\x''=-2cost+3sint

( Note : derivative of sin t is cos t and cos t is -sin t )

Putting value of x'' and x in equation 2 , we get :

=(-2cos t + 3sin t ) + ( 2cos t -3sin t )

= 0

So , x'' and x satisfy equation 2.

Therefore , x function is a solution of given differential equation .

Hence , this is the required solution .

8 0
3 years ago
What is the distance between the points (7, 8) and (-8, 0) on a coordinate grid? IM TAKING A TIMED TEST PLEASE ANSWER
lana [24]

Answer:

I don’t know

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Find the mode for the following distribution. Number Frequency 16 3 20 5 24 9 28 7 32 7 36 5 40 3
andreev551 [17]

Answer: Modes: 3, 5, 7

Step-by-step explanation:

The numbers, 3, 5, and 7, all were repeated. This gave them the total of 2 times they appeared in the sample set. Mode is the most frequent number that appears in the set, which in this case is 3, 5, and 7.

7 0
3 years ago
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