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Inessa05 [86]
3 years ago
12

How would you write a phrase that represents the expression 7(n - 12)?

Mathematics
1 answer:
NemiM [27]3 years ago
7 0
7n-84 would be your correct answer, 7 times n is 7n. 12 times 7 is 84 so therefore your answer would be 7n-84
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it takes 21 minutes for 5 people to paint 7 walls. how many minutes does it take 3 people to paint 10 walls
tensa zangetsu [6.8K]
21/7=3mins per wall with 5 people.
Because we assume that all of the people paint at the same rate, 3 X 5=15 mins for one person working alone.
15/3=5 mins per wall with 3 people X 10 people= 50 mins for 3 people to paint 10 walls.


The answer is 50 mins.
8 0
3 years ago
Point E is the midpoint of AB and point F is the midpoint
GREYUIT [131]

The options are;

1) AB is bisected by CD

2) CD is bisected by AB

3) AE = 1/2 AB

4) EF = 1/2 ED

5) FD= EB

6) CE + EF = FD

Answer:

Options 1, 3 & 6 are correct

Step-by-step explanation:

We are told that Point E is the midpoint of AB. Thus, any line that passes through point E will bisect AB into two equal parts.

The only line passing through point E is line CD.

Thus, we can say that line AB is bisected by pine CD. - - - (1)

Also, since E is midpoint of Line AB, it means that;

AE = EB

Thus, AE = EB = ½AB - - - (2)

Also, we are told that F is the mid-point of CD.

Thus;

CF = FD

Point E lies between C and F.

Thus;

CE + EF = CF

Since CF =FD

Thus;

CE + EF = FD - - - (3)

5 0
3 years ago
What is the value of (−23) –[(−25) – {(−17) –(−19)}
o-na [289]
The answer is four.
5 0
2 years ago
In Diagram 6, JCK is a tangent to the circle ABC
Igoryamba

Answer:

C

Step-by-step explanation:

if you don't know it choose C

5 0
2 years ago
Find the slope of the line that passes through (2, 4) and (9,5).
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Answer:

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Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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