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Paraphin [41]
4 years ago
15

Determine whether the graph represents a proportional relationship. A graph is shown. The x-axis is labeled from 0 to 9. The y-a

xis is labeled from 0 to 10. Four points are shown on the graph on ordered pairs 0, 0 and 1, 3 and 2, 6 and 3, 7. These points are joined by a line. The label on the x-axis is Number of pans. The title on the y-axis is Number of cakes.
Mathematics
2 answers:
brilliants [131]4 years ago
7 0
Propportinal
means that the points are inproportion
ratios
1:3=2:6=3:7
1/3=2/6=3/7
1/3=1/3=3/7
false
therefor it is not poropoortional

another way is to graph the points and see if a straight line can go though all of them
it can go thoruhg the first 3 but not eh 4th pont (3,7)


not proportional
Effectus [21]4 years ago
4 0

Answer:

Not porportional

Step-by-step explanation:

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The perimeter of a triangular field is 84 m, if the ratio of its sides are 13: 14:15, Find the area of the field. *
denis-greek [22]

Answer:

Area = 336\ m^2

Step-by-step explanation:

If the ratio of the sides is 13:14:15, we can say that the length of each side is 13x, 14x and 15x.

Then, if the perimeter is 84 m, we have:

P = 13x + 14x + 15x = 84

42x = 84

x = 2

The length of each side is:

13x = 26\ m

14x = 28\ m

15x = 30\ m

Now, to find the area of the field, we can use the following formula:

Area = \sqrt{p(p-a)(p-b)(p-c)}

Where a, b and c are the sides and p is the semi perimeter:

p = P/2 = 42\ m

So we have that:

Area = \sqrt{42(42-26)(42-28)(42-30)}

Area = 336\ m^2

8 0
3 years ago
Find the values of s1 and r for a geometric sequence with s4 = 18 and s6= 8<br>​
stiv31 [10]

Answer:

  see below

Step-by-step explanation:

The ratio of terms that are two terms apart (s4 and s6) is the square of the common ratio:

  s6/s4 = r^2

  r = √(8/18)

  r = 2/3 . . . . . matches choices A and C

__

Using the formula for the general term, we now know enough to find the first term:

  sn = s1·r^(n-1)

  s4 = s1·(2/3)^(4-1)

Using s4 = 18 and multiplying by (2/3)^-3, we get ...

  18·(2/3)^-3 = s1 = 18·27/8

  s1 = 243/4 . . . . . matches choice A

8 0
3 years ago
A water pitcher holds 3.5 quarts of water. How many liters of water does it hold?
DiKsa [7]
3.5 quarts = 3.31 liters
6 0
3 years ago
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Which function represents transforming ƒ(x) = 3x with a reflection over the x-axis and a vertical shift of 4 units?
Oxana [17]

Answer:

D. h(x)=-3x+4

Step-by-step explanation:

we are given

f(x)=3x

Firstly, it is reflected over x-axis

we know that for reflection about x-axis , we can replace y as -y

we get

g(x)=-f(x)

g(x)=-3x

now, it is vertical shift up by 4 units

so, we can add 4 to y-value

we get

h(x)=g(x)+4

h(x)=-3x+4

4 0
3 years ago
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You have to give a question


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