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Alecsey [184]
3 years ago
6

(a) for what values of k does the function y = cos(kt) satisfy the differential equation 16y'' = −81y?

Mathematics
1 answer:
sesenic [268]3 years ago
3 0
Try this offered solution.Answer: 3/2

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A large water tank holds 210 liters of water. About how many gallons of water does the same tank hold, if there are approximatel
shusha [124]

Answer:

Step-by-step explanation:

Set up a proportion

15 Liters / 4 gallons = 210 Liters / x      Cross Multiply

15x = 4 * 210                                           Combine the right

15x = 840                                                Divide by 15

x = 840 / 15

x = 56 gallons

4 0
3 years ago
Question 4 <br> please help me and show working out
zimovet [89]
B 12:3 = 4-1=3 C 10- 7=3 And A 2+15x=x=15-2=13
3 0
3 years ago
What is a equivalent expression for -3(7+5g)
bogdanovich [222]

Answer:

= -21 - 15g

Step-by-step explanation:

Given that:

= -3(7+5g)

By simplifying

As "-" sign will invert the inner signs:

= -21 - 15g

I hope it will help you!!

6 0
3 years ago
Find the value of x.
marshall27 [118]

Answer:

  155°

Step-by-step explanation:

The obtuse angle of the large (outside) triangle is the supplement of 60°, so is ...

  180° -60° = 120°

The angle x is the sum of the remote interior angles of that large triangle:

  x = 35° +120° = 155°

__

<em>Check</em>

The other acute angle in the smaller (left) right triangle is 90° -35° = 55°. Then the top acute angle in the larger (bottom, right) right triangle is ...

  180° -55° -60° = 65°

The other acute angle in that triangle is 90° -65° = 25°. It is supplementary to angle x. Hence angle x is 180° -25° = 155°, as above. (Note that x is also the sum of 90° and 65°, the remote interior angles of the nearest right triangle to x.)

5 0
2 years ago
Triangle ABC is a right triangle.
Nastasia [14]

Answer:

mZA=50

mZB=28

mZC=90

value of x is 28 how i got it was 32-4.

5 0
2 years ago
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