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Gnom [1K]
3 years ago
14

Please answer this question only if you know the answer! :(

Mathematics
2 answers:
Ivan3 years ago
7 0
A is not a line of symmetry.
Paul [167]3 years ago
3 0

A is not a line of symmetry

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The weight of an object on mars varies directly is proportional as the weight of the object on earth a 75 pound object on earth
dedylja [7]

Answer:

It weighs 40 pounds on mars

Step-by-step explanation:

Direct proportion is the relationship between two variables when their ratio is equal to a constant value

  • It can be expressed as y = k x, where y varies directly as x and k is constant of variation
  • It can be expressed as  \frac{y_{1}}{x_{1}}=\frac{y_{2}}{x_{2}}=k

∵ The weight of an object on mars varies directly as the weight

    of the object on earth

∴ w(m) = k × w(e)

∵ The weight of the object on earth is 75 pound

∴ w(e) = 75

∵ The weight of this object on mars is 25 pounds

∴ w(m) = 25

- Substitute them in the equation of variation

∵ 25 = k × 75

- Divide both sides by 75

∴ \frac{1}{3} = k

∴ w(m) = \frac{1}{3} × w(e)

∵ An object weighs 120 pounds on earth

∴ w(e) = 120

- Substitute it in the equation of variation

∴ w(m) = \frac{1}{3} × 120

∴ w(m) = 40

∴ It weighs 40 pounds on mars

5 0
3 years ago
Help please <br><br><br> 12345678910<br><br> 12345678910
Vlada [557]

Answer:

4743246

Step-by-step explanation:

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Karens aunt has $2400 in her account. If uses the money to make a monthly car payment of $250 how many whole payments can she ma
shusha [124]

Answer:

9 payments

Step-by-step explanation:

You divides 2400 by 250 and get 9.6. It asks how many WHOLE payments she can make, that would give you 9

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How are the triangles congruent ?<br><br> ASA , SSA , AAS , SAS , or Not enough information
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Step-by-step explanation:

3 0
2 years ago
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write the point-slope form of the equation that represents the line that passes through the point (-1,6) and has a slope of -3
Slav-nsk [51]

Answer:

y-6=-3(x+1)

Step-by-step explanation:

y-y1=m(x-x1)

y-6=-3(x-(-1))

y-6=-3(x+1)

4 0
3 years ago
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