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Zina [86]
3 years ago
10

Evaluate the expression 15 - n when n =9

Mathematics
1 answer:
Gnesinka [82]3 years ago
6 0

Answer:

6

Step-by-step explanation:

Don't let the variable confuse you. Replace n with 9. Then, subtract 9 from 15.

You might be interested in
Convert 17.47° to degrees, minutes, and seconds..
never [62]
For this question, this might help.
17.47 degrees is 17 + 0.47 degrees
If you are using minutes instead of decimal degrees, multiply the fraction by 60. So,

0.47 degrees * 60 minutes per degree= 28.2 minutes

Now you have 17 degrees 28.2 minutes but you can replace fractions of a minute with seconds
 
0.2 minutes * 60 seconds per minute= 12 seconds

So the answer for 17.47º is equal to 17º 28' 12".

I hope this helps.

7 0
3 years ago
3. James drives for 5 hours at a certain speed and then for 4 hours at a speed 6 km/h greater than his original speed. If he dri
riadik2000 [5.3K]

Answer:30km/hr

Step-by-step explanation:

Total distance=294km

Speed=s

Distance=d

Time=t

First drive:

t=5

d=s x t

d=s x 5

d=5s

Second drive:

t=4

Speed is 6km/h greater than the first speed

The new speed= s+6

d=4(s+6)

Total distance=294

5s + 4(s + 6)=294

5s + 4s + 24=294

Collect like terms

5s + 4s=294 - 24

9s=270

Divide both sides by 9

9s/9=270/9

s=30

First speed=30km/hr

4 0
3 years ago
A circular swimming pool has a radius of 28 ft. There is a path all the way around the pool that is 4 ft wide. A fence is going
rewona [7]

Answer:

Step-by-step explanation:

4 0
3 years ago
What.is.the.volume....
Molodets [167]

Answer:

180

Step-by-step explanation:

V=lwh

3=10·9·6

3=180

5 0
3 years ago
How do you <br> Write <br> 29/9<br> as a mixed number.
Oksi-84 [34.3K]
To write an improper fraction a mixed number you start by seeing how many times the denominator (bottom number) goes in to the numerator (top number). Since the denominator is 9 and the numerator is 29, 9 goes into 29 3 times. The left over numbers become the fraction of which is in simplest form.
<em>3 x 9 = 27</em>
<em>29 - 27 = 2</em>

<u>Mixed number: 3 2/9</u>
4 0
3 years ago
Read 2 more answers
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