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larisa [96]
3 years ago
8

Select the number and name of the terms below (select 2): 2121

Mathematics
1 answer:
mihalych1998 [28]3 years ago
6 0
Its a monomial and it has 4 terms
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How do you get the number 43 with the numbers 2,3,6,8 with using all numbers and only using them once.
iren [92.7K]

Answer:

Multiply 8x6 and subtract 2 and 3

Step-by-step explanation:

8x6=48

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45-2=43

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What is the slope and y-intercept for <br> -6x + 4y = -12
Anestetic [448]
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What number must you add to complete the square x^2+2x=9
MAVERICK [17]

Answer:

+ 1

Step-by-step explanation:

Given

x² + 2x = 9

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add ( half the coefficient of the x- term )² to both sides

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If a 24-kg mass stretches a spring 15 cm, what mass will stretch the spring 10 cm
natulia [17]

Answer:

<h2>16kg</h2>

Step-by-step explanation:

 This problem is borers on elasticity of materials.

according to Hooke's law,<em> "provided the elastic limit of an elastic material is not exceeded the the extension e is directly proportional to the applied force."</em>

F= ke

where F is the applied force in N

          k is the spring constant N/m

          e is the extension in meters

Given data

mass m= 24kg

extensnion=15cm in meters= \frac{15}{100}= 0.15m

we can solve for the spring constant k

we also know that the force F = mg

assuming g=9.81m/s^{2}

therefore

24*9.81=k*0.15\\235.44=k*0.15\\k=\frac{235.44}{0.15} \\k=1569.6N/m\\

We can use this value of k to solve for the mass that will cause an extension of  10cm= 0.1m

x*9.81=1569.6*0.1\\\\x= \frac{156.96}{9.81} \\\x= 16kg

5 0
3 years ago
A contractor needs to buy nails to build a house. The nails come in small boxes and large boxes. Each small box has 200 nails an
Dima020 [189]

Answer: 21

Step-by-step explanation:

4 0
3 years ago
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