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dem82 [27]
3 years ago
13

Which of these equations shows a proportional relationship?

Mathematics
1 answer:
andre [41]3 years ago
3 0

Answer:

I believe it is Oy=4x-1  

I'm sorry if i'm wrong

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I’m not sure about this question can someone help me.
Alisiya [41]

Step-by-step explanation:

tan \: 48 \degree =  \frac{x}{61}  \\  \\ 1.11 =  \frac{x}{61}  \\  \\ x = 1.11 \times 61 \\\\ x = 67.7 feet\:

RP = 67.7 feet

3 0
3 years ago
Identify the percent of change as an increase or a decrease. 4/5 to 3/5
vovikov84 [41]

Answer:

Decrease

Step-by-step explanation:

So, I encourage you to grab a calculator and see for yourself

Put in the function: 4/5 into a standard calculator. You will see that it will come out to .8

Put in the function: 3/5 into a standard calculator. You will see that it will come out to .6

.6 is less than .8, just as 3/5 is less than 4/5.

Another analogy that can be used is seeing the fraction as a real-life object.

Let's say that you make two pies. You cut the pie evenly into five slices. You set them on the table and leave them for whoever wants to eat them. You see that Pie 1 has two slices missing (3/5) and that Pie 2 has one slice missing. (4/5)

3 out of 5 slices are left of Pie 1.

4 out of 5 slices are left of Pie 2.

Pie 1 has less than Pie 2 does.

Hope this has helped!

6 0
3 years ago
The volume of the crate is 72 cubic feet but the length is 3ft the base is 6ft and the height is unknown
k0ka [10]
The volume of a crate is b x l x h. Reverse it to get 3 times 6 times h = 72. 3 times 6 is 18, so you know 18h=72. Divide both sides by 18 to get h = 4 ft.
3 0
2 years ago
A cube made of an unknown material has a height of 9 cm. The mass of this cube is 3,645 grams. Calculate the density of this cub
garik1379 [7]

Answer:

Step-by-step explanation:

Volume of the cube = s^3

s = 9cm

V = 9 * 9 * 9

V = 729 cm^3

d = mass / volume

d = 3645 / 729

d = 5 grams / cm^3

4 0
3 years ago
Hana rents a car for a day. Her car rental company charges $50 per day and $0.40 per mile. Peter rents a car from a different co
erastova [34]

50 + .4x = 70 + .3x

.4x = .3x + 20

.1x = 20

x = 200

Let x be the number of miles.

They have to drive 200 miles.

4 0
3 years ago
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