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Aleks04 [339]
3 years ago
10

Dalin is 16 years old hey sister is 3/4 of his age How old is his sister

Mathematics
1 answer:
Solnce55 [7]3 years ago
8 0

Answer:

12

Step-by-step explanation:

if 4x4 is 16 and we want to know what is 3/4 of that then we can easily just subtract 4 from it

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Round it to the nearest tenth
Gennadij [26K]

Answer:

none of these

Step-by-step explanation:

4 0
2 years ago
Find the solution r(t)r(t) of the differential equation with the given initial condition: r′(t)=⟨sin9t,sin6t,9t⟩,r(0)=⟨4,6,3⟩
klemol [59]

\mathbf r'(t)=\langle\sin9t,\sin6t,9t\rangle


\mathbf r(t)=\displaystyle\int\mathbf r'(t)\,\mathrm dt


\mathbf r(t)=\left\langle\displaystyle\int\sin9t\,\mathrm dt,\int\sin6t\,\mathrm dt,\int9t\,\mathrm dt\right\rangle


\displaystyle\int\sin9t\,\mathrm dt=\frac19\cos9t+C_1

\displaystyle\int\sin6t\,\mathrm dt=\frac16\cos6t+C_2

\displaystyle\int9t\,\mathrm dt=\frac92t^2+C_3


With the initial condition \mathbf r(0)=\langle4,6,3\rangle, we find


\dfrac19\cos0+C_1=4\implies C_1=\dfrac{35}9

\dfrac16\cos0+C_2=6\implies C_2=\dfrac{35}6

\dfrac92\cdot0^2+C_3=3\implies C_3=3


So the particular solution to the IVP is


\mathbf r(t)=\left\langle\dfrac19\cos9t+\dfrac{35}9,\dfrac16\cos6t+\dfrac{35}6,\dfrac92t^2+3\right\rangle

4 0
3 years ago
This is the last one for the morning and may be some later
kompoz [17]

Answer:

A is correct Please brainliest me

Thus, also saying that it is equivalent.

Step-by-step explanation:

The expression stated- (3m+1-m)

It also states to give a equal amount

What is equalevent expression?- Equivalent expression are those expression  that looks different but are same.

For example, 2+2 is 4 and 1 plus 3 is 4

it is different expression but the same answer.

The Expression- 3m+1-m

Simplify. How?- By adding LIKE terms.

Here- 3m+ 1 - m = (3-1) m + 1

see the same.

To conclude, 3-1) m + 1  = 2m + 1

If you’d wanna write in another way, it would be 2m + 1 can be written as m + m + 2 - 1

so a is correct

4 0
3 years ago
Subtract.<br><br> 14x-(6+7x)<br><br> (Simplify answer)
notsponge [240]
14x-(6+7x)
=14x-6-7x
=14x-7x-6
=(14x-7x)-6
=7x-6x
7 0
3 years ago
Read 2 more answers
A teacher is making identical packets using 92 crayons and 23 sheets of paper. What is the greatest number of packets she can ma
Natali [406]
92 crayons
23sheets of paper
92÷23=4
4 crayons per sheet
Answer is 23 packets
5 0
3 years ago
Read 2 more answers
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