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alexandr402 [8]
3 years ago
13

Can someone please help??

Mathematics
1 answer:
mel-nik [20]3 years ago
4 0

Answer:

Step-by-step explanation:

si...  yono  em usho de cmopu preo sloo estoy usand una jjssjsjsj jsjsj  c

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A carpenter estimates it will take 54 person-hours to build an addition on a house. How long will it take if 3 people work toget
user100 [1]

Answer:

18 hours

Step-by-step explanation:

54hours divides by 3people equals 18hours

7 0
3 years ago
Complete the factoring: <br><br> 5x^2-40x=5x( )<br><br> A) x-8 B)8-x C)x^2-8 D) 8-x^2
dolphi86 [110]

Answer:

A) x-8

Step-by-step explanation:

\mathsf{5x^2-40x=5x(x-8)}

because

\mathsf{5x(x-8)=5x\cdot x-5x\cdot8=5x^2-40x}

4 0
3 years ago
Hi i need help with this
Illusion [34]

Answer:

2 (n + 2) = 2n + 4

n + n + n + n = 4n

2 (3n) = 6n

4n + n = 5n

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
What is 388×63+20-45+21
GrogVix [38]
24440 is you answer :)
5 0
3 years ago
Read 2 more answers
Find the slope of the line on the graph.write your answer as a fraction or a whole number, not a mixed number
Leona [35]

Answer:

slope = -\frac{1}{2}     if it were in an

Step-by-step explanation:

the graph is a negative and will therefore have a negative slope. to find the slope, pick a point on the graph and find the \frac{rise}{run}.

for instance, start with the point (0,1). Then go down 1 and left 2 to get to the next point on the graph (2,0). 1 is the "rise" and 2 is the "run" hence -1/2 being the slope.

you could also use the slope formula: \frac{y_{2} -y_{1} }{x_{2} -x_{1} }

point 1: (0,1)    (x₁ ,y₁)

point 2: (2,0)    (x₂ , y₂)

\frac{0-1}{2-0} =-\frac{1}{2}

3 0
2 years ago
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