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Tom [10]
3 years ago
5

What is the answer and work shown for 9r+r+7b+10+b+r+4n

Mathematics
2 answers:
klio [65]3 years ago
8 0

Answer:

8b + 4n + 11r + 10

Step-by-step explanation:

9r+r+7b+10+b+r+4n

Solve :

9r+r+7b+10+b+r+4n

=9r+r+r+7b+b+4n +10

=11r + 8b + 4n + 10

ladessa [460]3 years ago
7 0
Combine like terms
9r+r=10r^2
7b+b=8b^2
10+10r^2+8b^2+4n
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Help with this two column proof
ddd [48]
We're given LM = NO which will be used in substitution later.

By the segment addition postulate, we can write 
LN = LM+MN
which basically says "glue LM and MN together to get LN". All three segments fall on the same line.

Now substitute or replace LM with NO. This works because LM = NO is given

So we go from this
LN = LM+MN
to this
LN = NO+MN

Rearrange terms to go from 
LN = NO+MN
to 
LN = MN+NO
The formal property used is the "Commutative Property of Addition"

Now notice on the right hand side we can combine MN and NO to get MO. Again this is using the segment addition postulate. 

So the last step is going from 
LN = MN+NO
to 
LN = MO

Have a look at the attached image to see how to format this proof into a two-column proof. 

3 0
3 years ago
Write down the answer for Q 7 and 8
astra-53 [7]

The answers to the given addition operations are

7) 6 Hundredths add to 4 tenths add to 6 ones is equal to 6.46

8) 82 Hundredths add to 9 tenths add to 4 tens is equal to 41.72

<h3>Addition operation </h3>

From the question, we are to add the given numbers

7. 6 Hundredths add to 4 tenths add to 6 ones is equal to

6 Hundredths = 0.06

4 tenths = 0.4

6 ones = 6

Thus, we get

0.06 + 0.4 + 6 = 6.46

8. 82 Hundredths add to 9 tenths add to 4 tens is equal to

82 Hundredths = 0.82

9 tenths = 0.9

4 tens = 40

Thus, we get

0.82 + 0.9 + 40 = 41.72

Hence, the answers to the given addition operations are

7) 6 Hundredths add to 4 tenths add to 6 ones is equal to 6.46

8) 82 Hundredths add to 9 tenths add to 4 tens is equal to 41.72

Learn more on Addition operation here: brainly.com/question/4248979

#SPJ1

7 0
2 years ago
A store has a $489.99 item on sale for 50% off. What is the discount on this item?
kondaur [170]
50% is 1/2 so 2 divided into $489.99 equals $244.995 or $244.99. Hope this helps!
3 0
4 years ago
Read 2 more answers
If correct Brainliest
ElenaW [278]

Answer:

a

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
A lake has a small patch of lily pads and every day the patch grows to double its size. It takes 32 days for the patch to cover
S_A_V [24]

Answer:

<em>It took 31 days for the patch to cover half the lake</em>

<em></em>

Step-by-step explanation:

The patch grows to double its size everyday

the patch completely covers the lake in 32 days

Since the patch doubles itself everyday, this means that the previous day before the 32nd day, the lake was just half covered.

Therefore, the the patch covered half the lake on the 31st day, i.e <em>it took 31 days for the patch to cover half the lake</em>

<em></em>

6 0
3 years ago
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