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Ede4ka [16]
2 years ago
7

)If there are 6 builders, it takes 80 days to complete the house. How many builders must be employed to build the house in just

16 days?​
Mathematics
1 answer:
LiRa [457]2 years ago
5 0

Answer:

64 builders must be employed to build a house in 16 days

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Using the Multiplication Property of -1
Papessa [141]

A. -(a+5)

Because the negative sign is outside the parenthesis, multiplying by -1 just removes the negative sign:

-(a+5) * -1 = a+5


B. -(-x+31)

Apply the distributive property:

-(-x+31) becomes (- -x +31) which simplifies to (x+31)

multiply that by -1 to get -x+31


C. -(4x+12)

Because the negative sign is outside the parenthesis, multiplying by -1 just removes the negative sign:

-(4x+12) * -1 = 4x+12

7 0
3 years ago
Write the equation of the line that passes through the given point and is perpendicular to the given line
Bumek [7]

Answer:

  • y = 5

Step-by-step explanation:

<u>The line x = 3 is parallel to y- axis, the perpendicular line is going to be parallel to x- axis and will have an equation:</u>

  • y = a

<u>Since it passes through the point (-2, 5), it will have a = 5:</u>

  • y = 5 is the line we need
3 0
2 years ago
Anybody knows how to not procrastinating? I'm struggle with that. thanks
Dafna1 [17]

Explanation:

Here are the few points that might help you to avoid procrastination.

1. Keep your workstation clean, that does not make you feel overburdened with work.

2. Break down your work into pieces.

3. Make short term tasks rather long terms.

4. Prioritize goals with a deadline.

5. More you delay more you will be working under pressure so better not to delay.

6. Some times talk to yourself, tell yourself the more you delay worse it will get for you only.

These points should help.

4 0
3 years ago
Disn
oksian1 [2.3K]

Answer:

A

Step-by-step explanation:

3(5+x)

3(5)+3(x)

15+3x

6 0
3 years ago
What is a reciprocal?
frozen [14]
The reciprocal is the fraction flipped. so the reciprocal of 1/2 is 2/1. It's used when dividing fractions to make it multiplication, so you use the reciprocal for the second fraction.
6 0
3 years ago
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