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3 years ago

Which graph represents a proportional relationship?

Mathematics

2 answers:

Tju [1.3M]3 years ago

8 0

Answer:

The first one

Step-by-step explanation:

kumpel [21]3 years ago

4 0

Answer:

If the relationship between two quantities is a proportional relationship, this relationship can be represented by the graph of a straight line through the origin with a slope equal to the unit rate. For each point (x, y) on the graph, ž is equal to k, where k is the unit rate. The point (1, k) is a point on the graph.

Step-by-step explanation:

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In 1989 a postage stamp cost $.25. In 1999 a postage stamp cost $.33. Find the average rate of

zalisa [80]

Answer:

0.33-0.25= 0.08

then 1999-1989= 10

lastly 0.008

Step-by-step explanation: so the average rate of

change in postage in<em><u> cents</u></em> per year. is 0.8 of a cent. or 0.008 of a dollar.

7 0

2 years ago

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A percent measures a rate a) per unit b)per 10 unit c) per 100 unit d) per 1000 unit

Artyom0805 [142]

Answer:

$\boxed{Option \ C}$

Step-by-step explanation:

Percentage means "out of hundred" So measuring the rate in percentage we've to find it using "per 100 units".

5 0

3 years ago

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Louise is creating a 1- foot long comic strip if she has marked 0.5 ft on her paper what should she do to find 1 foot? Help plea

Rzqust [24]

Find a straight edge, mark the 0.5ft mark onto the straight edge that way it becomes a 0.5ft "ruler". Move the straight edge next to the mark and add another 0.5 ft.
It may seem unclear so if you have more questions you can ask in the comments :)

6 0

3 years ago

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In somalia, city b is 75 kilometers due north of city

nadya68 [22]

We first approach this problem by forming a diagram. Refer to the attachment.

You might notice a right triangle forming when you connect cities A, B, and C. In this case, we'll just need the Pythagorean theorem when solving for the distance between city B and city A.

$AB^{2}=BC^{2} + AC^{2}= 75^{2} + 42^{2} =7389$
$AB=85.96$

ANSWER: The distance between city B and city A is 85.96 kilometers.

4 0

3 years ago

Can someone help me on finding the measure of each angle please? I'm struggling alot on this! :(

olga_2 [115]

Answer:

Step-by-step explanation:

The protractor has inner and outer readings. The inner reading has graduations with intervals of 10 degrees and the outer reading also has graduations with intervals of 10 degree. We will use the outer graduations to take readings. On the outer reading, the shortest graduations is in intervals of 1 degree while the shorter graduation is in intervals of 5 degrees. Therefore,

a) angle AFB is 55 degrees

b) angle BFE is 180 - 55 = 125 degrees.

c) angle DFA is 126 degrees

d) angle BFD is 60 + 5 + 6 = 71 degrees.

e) angle CFD is 36 degrees

8 0

3 years ago