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Veseljchak [2.6K]
3 years ago
15

3.

Mathematics
2 answers:
sergey [27]3 years ago
4 0

Answer:

B. 60

Step-by-step explanation:

Start by estimating 10% = 40

Then do 1/2 if that = 20

add them to get 60 cars

or 15 for every 100 15x4=60

S_A_V [24]3 years ago
4 0

Answer:

B 60

Step-by-step explanation:

Finding the exact percentage of 395 gets you to 59.25. Rounding it gets you to 60 so that would be your estimate.

To find the percentage of something, you have to take the percentage and move the decimal 2 spots to the left ( %15 = 0.15 )

You then just multiply, ignoring the decimal to get 5925

After that, you have to place the decimal. There's 2 numbers to the right of the decimal so you move the decimal 2 places to the right in your final answer to get 59.25

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murzikaleks [220]

Answer:

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3 years ago
What postulate can be used to prove the triangles are congruent?
Komok [63]
The HL Postulate

You know that the two hypotenuses are congruent and that the two triangles each contain a shared segment in the middle (so by the reflexive property they are congruent). You have two congruent hypotenuses and two congruent legs, so you can conclude congruency by HL.

If you found this helpful, please make this the brainliest answer! :)


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3 years ago
WILL GIVE BRAINLIEST AND 50 POINTS PLEASE ITS TIMED!!
Artist 52 [7]

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4 0
3 years ago
PLZZ GIVING BRAINILEST
ankoles [38]

Answer:

  1. 3.5(1.6 + 4.6 - 8.5) - 9.75
  2. = 3.5(-2.3) - 9.75
  3. = -8.05 - 9.75
  4. = -17.8

Step-by-step explanation:

  1. 1.6 + 4.6 - 8.5 = -2.3
  2. 3.5(-2.3) = 3.5 × -2.3 = -8.05
  3. -8.05 - 9.75 = -17.8

I hope this helps!

3 0
3 years ago
Line M passes through point (3,1) and is perpendicular to the line of the equation y=3x+4. Which equation describes the graph of
zheka24 [161]

Answer:

y = -1/3x + 2

Step-by-step explanation:

The gradient of the given line is 3 because (y = mx +c where m is the gradient)

Therefore, to find the gradient of the perpendicular line (at 90 degrees), you need to find the negative reciprocal.

The negative reciprocal of 3 is -1/3 because imagine if 3 = 3/1, to get the reciprocal, you flip it, and to get the negative, you just flip the sign.

Now we know that Line M is y = -1/3x + c, we need to find the y-intercept.

To do this, just input the point (3,1) into y = -1/3x + c, to get c. This is because we know (3,1) is on the line from the question.

So it would be 1 = (-1/3 x 3) +c

Which would be 1 = -1 +c

And so c = 2

Put everything together and you get y = -1/3x + 2

8 0
3 years ago
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