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Sati [7]
3 years ago
14

Which ratios form a proportion?

Mathematics
1 answer:
shepuryov [24]3 years ago
8 0
5/18 and 25/90. And for the second one it is 6/10
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Select all the points that are on the graph of the equation 4y-6x=12 a (-4, -3) b (3, -4) c (0, -2) d (0, 3) e (6, 4) f (-1, 1.5
Virty [35]

Answer:

a,b,d,f

Step-by-step explanation:

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5 0
3 years ago
Write a linear equation for the line with slope = - 1/4 going through the point: (0, 0)
Serjik [45]

The equation of a line is written as y =Mx + b, where m is the slope and b is the y intercept, which is the y value when x = 0.

You are told the slope is -1/4, so replace m with -1/4. You are also given the point (0,0) which means when x is 0, y is also 0, so replace b with 0.

The equation becomes y= -1/4x + 0

Because y is 0 you aren’t adding anything to the equation so you can remove it from the equation.

Answer is y = -1/4x

5 0
3 years ago
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The ratio of the perimeters of two similar triangles is 4:7. What is the area of each of these triangles if the sum of their are
attashe74 [19]

Answer: 49 cm² and 16 cm²


Step-by-step explanation:

1. If the triangles are similar and the ratio of the perimeter os 4:7, then the areas are in the following ratio:

4^{2}:7^{2}\\16:49

2. You know that the sum of their areas is 65 cm², then, you can calculate the area of the larger triangle as following:

A_1=65(\frac{49}{49+16})=49cm^{2}

3. The area of the smaller triangle is:

A_2=65(\frac{16}{49+16})=16cm^{2}


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3 years ago
There 8 black dogs there 4 fewer black dogs than brown dogs. how many brown dogs are there
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There are 12 brown dogs
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