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PilotLPTM [1.2K]
3 years ago
5

To solve this equation: d/5 + 12 = -15, which step will be performed last?

Mathematics
1 answer:
il63 [147K]3 years ago
3 0

Let's go through the steps.

d/5 +12 = -15

1. Multiply both sides by 5.

Doing this we get:

d + 60 = - 75

2. Subtract 60 from both sides.

d = - 75 - 60

d = -135

Step 2 above is the final step taken to find the value of d.

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Please help me with this question I also need to see the steps if possible!
umka21 [38]

Hi there!

To solve, we must use the following trig identity:

sin(u - v) = sin(u)cos(v) - sin(v)cos(u)

We can rewrite the left hand side of the equation as:

\frac{sin(u)cos(v)-sin(v)cos(u)}{sin(u)cos(v)}

Split the fraction:

\frac{sin(u)cos(v)}{sin(u)cos(v)} - \frac{sin(v)cos(u)}{sin(u)cos(v)} =

First fraction reduces to 1:

1 - \frac{sin(v)cos(u)}{sin(u)cos(v)} =

Simpify each with common arguments:

1 - tan(v)cot(u)

4 0
3 years ago
Please answer this by solving it
mr Goodwill [35]

Answer:

5 5/6

Step-by-step explanation:

Change them into improper fractions.  Multiply the denominator by the whole number and then add the numerator.  Put that number over the denominator.

2 X 3 = 6           3 X 2 = 6

6 + 1 = 7            6 + 1 = 7

7/3                      7/2

New expression:    7/3 + 7/2

Find a common denominator.  Both denominators can go into 6.

14/6 + 21/6 = 35/6

Change this back into a mixed number by dividing.

Answer: 5 5/6

8 0
2 years ago
Answer 6, as quick as you can please​
lisabon 2012 [21]

9514 1404 393

Answer:

  0 ft

Step-by-step explanation:

The line hangs down 15 feet from the top of each pole, so the distance between them must be zero if the total line length is 30 feet.

3 0
3 years ago
The temperature is -2 degree Fearing height if it drops 1 degree every 10 minutes what will the temperature be in an hour 1 hour
ExtremeBDS [4]
-2
1 degree ever 10mins
1 hour = 60mins
1x6
Drops 6°f
-2+-6 = -8 degrees after 1 hours
8 0
3 years ago
Use synthetic division to find the result<br> when (x3 - 2x2 - 19x + 20) is divided by (x +<br> 4).
OLga [1]

Answer:

x^2 - 4x - 3 + 28/x+4

Step-by-step explanation:

5 0
3 years ago
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