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3 years ago

How many feet tall is the taller tree?

Mathematics

1 answer:

Temka [501]3 years ago

8 0

Answer:

16.33 feet

Step-by-step explanation:

17.5 / 11.25 = x / 10.5

x = 17.5 * 10.5 / 11.25 = 16.33

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Choose all the sets containing the number

Sergio [31]

Pi IS an: irrational number, a real number

Pi is NOT a: whole number, natural number, rational number, integer

5 0

2 years ago

A) Find a particular solution to y" + 2y = e^3 + x^3. b) Find the general solution.

Reptile [31]

Answer:

a.P.I= $\frac{e^{3x}}{11}+\frac{1}{2}(x^3-3x)$

b.G.S= $C_1Cos \sqrt2 x+C_2 Sin\sqrt2 x+\frac{1}{11}e^{3x}+\frac{1}{2}(x^3-3x}$

Step-by-step explanation:

We are given that a linear differential equation

$y''+2y=e^{3x}+x^3$

We have to find the particular solution

P.I= $\frac{e^{3x}}{D^2+2}+\frac{x^3}{D^2+2}$

P.I= $\frac{e^{3x}}{3^2+2}+\frac{1}{2} x^3(1+\frac{D^2}{2})^{-2}$

P.I= $\frac{e^{3x}}{11}+\frac{1-2\frac{D^2}{4}+3\frac{D^4}{16}+...}{2}x^3$

P.I= $\frac{e^{3x}}{11}+\frac{x^3-2\frac{\cdot3\cdot 2x}{4}}{2}+0}$ (higher order terms can be neglected

P.I= $\frac{e^{3x}}{11}+\frac{1}{2}(x^3-3x)$

b.Characteristics equation

$D^2+2=0$

$D=\pm\sqrt2 i$

C.F= $C_1cos \sqrt2x+C_2 sin\sqrt2 x$

G.S=C.F+P.I

G.S= $C_1Cos \sqrt2 x+C_2 Sin\sqrt2 x+\frac{1}{11}e^{3x}+\frac{1}{2}(x^3-3x)$

3 0

3 years ago

Allie noticed that to get her test grade, she could take Valerie's grade, multiply it by 2 and subtract 15. If Valerie's test gr

kolbaska11 [484]

Answer is c) 2x - 15 because x is Valerie's grade

Allie's grade is <span>taking Valerie's grade, multiply it by 2 and subtract 15</span>

4 0

3 years ago

out of 30 questions on the maths test tomi knew the answer to 27 of them what percentage of questions did tomi know the answer f

Vedmedyk [2.9K]

Answer:

Step-by-step explanation:

$\frac{27}{30} \times 100$

so after we cut the nessecary we get 90%

Hope this helps you

Mark as the brainlist

thank you

8 0

2 years ago

Point P(−5, 2) is translated using the rule (x+3, y−1).

Natali [406]

p(-5, 2)

the rule is x + 3, so add -5 + 3 = -2

the x coordinate of P' is -2

3 0

3 years ago

Read 2 more answers