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3 years ago

The sum of two numbers is 57 and the difference is 5. What are the numbers?

Mathematics

2 answers:

igor_vitrenko [27]3 years ago

4 0

Answer:

31 and 26

Step-by-step explanation:

31 + 26 = 57

31 - 26 = 5

Therefore, your answer is 31 and 26

valentinak56 [21]3 years ago

3 0

Answer:

25+22

Step-by-step explanation:

When you subtract 27 to 22

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Serhud [2]

Answer:

1. y

2 x

3 a

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Step-by-step explanation:

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3 years ago

What is the area of a rectangle that is 2 1 centimeter wide and 5 3 centimeter long?

Dominik [7]

Answer: either 1113 or 11.13 i don't know what 5 3 means or 2

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Step-by-step explanation:

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3 years ago

What is the answer of this 5-x=7-2x

shtirl [24]

Answer:

x = 2

Step-by-step explanation:

5 - x = 7 - 2x

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2 years ago

Read 2 more answers

(1 point) A particle starts at the point P=(−2,−1,3)P=(−2,−1,3) when t=0t=0 and moves along a straight line toward Q=(−4,0,6)Q=(

Ahat [919]

Answer:

The position is given by r(t) = (-2 -t √14, 1 + √3.5, 3 + 3√3.5)

Step-by-step explanation:

The direction is given by the difference between the starting point and the end point, thus it is (-4,0,6)-(-2,-1,3) = (-2,1,3). The norm of this vector is √( (-2)²+1²+3²) = √14 = 3.7416 secons

Since the speed is 7 cm/sec, we need to multiply this vector by 7/√14 = √3.5 in order to obtain how much does the particle advance each second.

As a consecuence, it advances (-2,1,3) * √3.5 = (- √14, √3.5, 3 √3.5)

And, as a result, the position after t seconds is given by the function

r(t) = (-2,1,3) + t (-√14, √3.5, 3 √3.5) = (-2 -t √14, 1 + √3.5, 3 + 3√3.5)

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3 years ago

The coordinates of DEF are D(3,4), E(6,4), and F(5,9). If you translate DEF 3 units left and 2 units up, what are the coordinate

grigory [225]

EXPLANATION:

1.We must locate the points that the exercise gives us in the Cartesian plane.

2.The figure that it gives us must be moved 3 units to the left and then 2 units up.

3.To correctly translate a figure, we must add the units that the exercise indicates and towards the correct direction, if it tells us that to the left is towards the negative axis, then each of the points given in the exercise we will transfer 3 units towards the left and then add each of the points two units up, then we see that the triangle takes new coordinates for the points.

4.The new coordinates for point E are (3,6)

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1 year ago