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soldi70 [24.7K]
3 years ago
10

What is the basic ratio for 30:42

Mathematics
1 answer:
lianna [129]3 years ago
6 0
30:42 is represented as 30/42
The lowest form for that is 5/7. Hope that helped. Good luck
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The 5th grade classes at Brookfield School used 5 identical buses to go on a field trip.
erik [133]

1/8 x 5 = 5/8

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3 years ago
La ecuación de la recta que pasa por los puntos (2,-1) y (1,-5) es:
77julia77 [94]

Given:

A line passes through the points (2,-1) and (1,-5).

To find:

The equation of the line.

Solution:

If a line passes through the two points, then the equation of the line is

y-y_1=\dfrac{y_2-y_1}{x_2-x_1}(x-x_1)

The line passes through the points (2,-1) and (1,-5). So, the equation of the line is

y-(-1)=\dfrac{-5-(-1)}{1-2}(x-2)

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Using distributive property, we get

y+1=4(x)+4(-2)

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y=4x-9

Therefore, the correct option is B.

5 0
3 years ago
Find the measure of AB if B is the midpoint of AC and AB = 2x - 4 and AC = 28
yarga [219]

Answer:

AB=14

Step-by-step explanation:

First you write the equation 2(2x-4)=28 because if b is the midpoint then AB is half of the line so you multiply that half by two the make it equal to the whole line.

Then you distribute the two and get 4x-8=28.

Then you add 8 to 28 and get 36.

Then you divide 36 by 4 because the 4 and x are being multiplied together so you have to divide to get them apart.

So then you get x=9 and you aren't done yet because you have to plug x into 2x-4.

So it is 2(9)-4 which is 18-4 which equals 14.

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600/800 descansos porque mencionaste que se toma un descanso cada 3 cm pero se desliza 1 cm cada vez que se toma un descanso, así que solo cambia los 2 ma cm, que es 200 veces eso a 3 o 4 y obtendrás el número de descansos (acabo de adivinar)
6 0
3 years ago
On the first day of a road trip, Roberto traveled 213 miles from home. On the second day, he drove 149 miles farther. How many m
jek_recluse [69]

The answer would be 362 miles

add the number of miles from day one and day two

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