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Sophie [7]
3 years ago
6

What is the total length of all the seeds that the students measured?

Mathematics
1 answer:
mr_godi [17]3 years ago
8 0

Answer:

525cmlong the length of seeds

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A rock weighs 80 g on a triple beam scale. The same rock is then gently placed inside a graduated cylinder containing 30 mL of w
Alexxandr [17]

Answer:

  • 1.78 g/cm³

Step-by-step explanation:

<u>80 g rock displaces water:</u>

  • 75 ml - 30 ml = 45 ml = 45 cm³

<u>Density = mass / volume:</u>

  • d = 80 g / 45 cm³
  • d = 1.78 g/cm³ (rounded)
3 0
2 years ago
Determine whether or not the two equations below have the same solution. In two or more complete sentences, explain your rationa
Dimas [21]
These equations do match up. All you have to do is find the solution to the first equation. After that, plug in that solution to the second equation. If it makes the equation true, then the equations match. 

Hope this helps!
5 0
3 years ago
Read 2 more answers
Estimate the solution to the system of equations. asap, please!! I will mark for brain list
Darya [45]

Answer:

(1 \frac{1}{3}, 2 \frac{1}{3} )

Step-by-step explanation:

Given the 2 equations

7x - y = 7 → (1)

x + 2y = 6 → (2)

Multiplying (1) by 2 and adding to (2) will eliminate the y- term

14x - 2y = 14 → (3)

Add (2) and (3) term by term to eliminate y

15x = 20 ( divide both sides by 15 )

x = \frac{20}{15} = \frac{4}{3} = 1 \frac{1}{3}

Substitute this value of x into either of the 2 equations and solve for y

Substituting in (2)

\frac{4}{3} + 2y = 6

2y = 6 - \frac{4}{3} = \frac{14}{3} ( divide both sides by 2 )

y = \frac{7}{3} = 2 \frac{1}{3}

7 0
3 years ago
A car originally worth $32,000 is now worth only $14,000. By how much did the car depreciate?
yuradex [85]

Answer:

18,000 because 32+14=18

3 0
2 years ago
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Describe the values of c for which the equation has no solution. explain your reasoning.
Lera25 [3.4K]

Answer:

c=|x-7|

Step-by-step explanation:

5 0
2 years ago
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