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Reptile [31]
2 years ago
6

A school was painted by 8 men in 6 days. How long would it have taken 24 men.

Mathematics
2 answers:
Mariulka [41]2 years ago
5 0

Answer:

18 days

Step-by-step explanation:

M 8/ D 6 = M 24/ D 18

Annette [7]2 years ago
5 0

Answer:

2 days

Step-by-step explanation:

As it took 8 men 6 days, it would take 24 men 2 days. This is because there are 3 times the men, with the same amount of area to paint.

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Marysya12 [62]

Answer:

the quadrilateral must be a rhombus

Step-by-step explanation:

your welcome

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2 years ago
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Find the equation of the line that contains the points (4,2) and (6,10). Write the equation in the form y=mx+b and identify m an
Fantom [35]
Points (4,2) and (6, 10)

Eqn:
y - y = m(x - x)
y - 2 = [(2-10)/(4-6)] (x - 4)
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Therefore the slope (m) would be 4 and the y intercept (b) would be -14.
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3 years ago
What is the equation of the line that passes through the point (-2, 6) and has a slope of -3?
poizon [28]

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y=-3x

Step-by-step explanation:

3 0
3 years ago
What is the solution of sqrt x+2-15=-3
antiseptic1488 [7]

Answer:

Step-by-step explanation:

Without brackets, we are not exactly sure what is under the root sign. There are 3 choices.

sqrt(x) + 2 - 15 = - 3

sqrt(x + 2) - 15 = - 3

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I think the middle one is what you intend. If not leave a note.

sqrt(x + 2) - 15 = - 3                Add 15 to both sides.

sqrt(x + 2) - 15+15 = - 3+15     Combine

sqrt(x + 2) = 12                        Square both sides

x + 2 = 12^2                             Do the right

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x + 2-2 = 144-2

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3 years ago
In parts ​(a) through ​(e)​ below, mark the given statement as True or False. Justify each answer. All vectors are in set of rea
Oxana [17]

Answer:

(c)

"The given statement is true, by definition of length of a vector v, ||v|| = \sqrt{v\bullet v}"

Step-by-step explanation:

(a) v  \bullet v = || v ||^2

That is completely correct Remember that if  v = (x_1,x_2,x_3)\\ then

v \bullet v = x_1*x_1+x_2*x_2+x_3*x_3 = x_1^2+x_2^2+x_3^2 = ||v||^2

Therefore the correct answer would be (c).

"The given statement is true, by definition of length of a vector v, ||v|| = \sqrt{v\bullet v}"

5 0
3 years ago
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