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2 years ago

Help please!!!!! Thank uuuu

Mathematics

2 answers:

scoundrel [369]2 years ago

7 0

Answer:

The answer should be H, not 100% sure though

alexgriva [62]2 years ago

3 0

Answer:

Step-by-step explanation:

If it was the first two, it would be to small of an angle.

If it were the last two it would be a straight line.

35 degrees is the only possible one.

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nignag [31]

Answer:

1st = 4×10 ^-9

2nd= 4×10^1

3rd = 4×10^7

4th = 4×10^-5

Step-by-step explanation:

for whole numbers you just have to count from the ending till the number indicated beside the x10

for decimals you count from the front starting at the decimal till you cover the whole number

6 0

3 months ago

Fill in the missing terms for the geometric sequence

expeople1 [14]

Step-by-step explanation:

11/2, -11, 22, -44, 88, -176

common ratio : 22/(-11) = -2

4 0

2 years ago

(15 pts) 4. Find the solution of the following initial value problem: y"-10y'+25y = 0 with y(0) = 3 and y'(0) = 13

jolli1 [7]

Answer:

$y(x)=3e^{5x}-2xe^{5x}$

Step-by-step explanation:

The given differential equation is $y''-10y'+25y=0$

The characteristics equation is given by

$r^2-10r+25=0$

Finding the values of r

$r^2-5r-5r+25=0\\\\r(r-5)-5(r-5)=0\\\\(r-5)(r-5)=0\\\\r_{1,2}=5$

We got a repeated roots. Hence, the solution of the differential equation is given by

$y(x)=c_1e^{5x}+c_2xe^{5x}...(i)$

On differentiating, we get

$y'(x)=5c_1e^{5x}+5c_2xe^{5x}+c_2e^{5x}...(ii)$

Apply the initial condition y (0)= 3 in equation (i)

$3=c_1e^{0}+0\\\\c_1=3$

Now, apply the initial condition y' (0)= 13 in equation (ii)

$13=5(3)e^{0}+0+c_2e^{0}\\\\13=15+c_2\\\\c_2=-2$

Therefore, the solution of the differential equation is

$y(x)=3e^{5x}-2xe^{5x}$

5 0

2 years ago

Twice a number is 24 a. 2- n = 24 b. 2 + n = 24 c. 2 / n = 24 d. 2n = 24

Novosadov [1.4K]

Answer:

the answers are

a)-22

b)22

d)12

8 0

2 years ago

Read 2 more answers

2p-7 make p the subject

n200080 [17]

Answer:

making letters subject is only possible

with equations but not expression.

So the question has no solution.

4 0

2 years ago