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densk [106]
3 years ago
12

Help! I’m awful at graphs and stuff

Mathematics
2 answers:
Brut [27]3 years ago
5 0

Answer: for b: function one has a greater rate of change

Step-by-step explanation: sorry i don't know the first one

Ludmilka [50]3 years ago
3 0

Answer:

a) -2 and 4, b) function 2

Step-by-step explanation:

Rate of change is the same thing as slope. For the first function, the table, we can use two of the points and the slope formula. I'll use (-1,3) and (-2,5). Remember the slope formula:

m=\frac{y2-y1}{x2-x1}

Plug the points in:

m=\frac{5-3}{-2-(-1)}\\m=\frac{2}{-1}\\m=-2

(Remember that subtracting a negative = adding. I look at it like the two 'minus' signs form one plus sign, if that helps)

So the slope of function 1 is -2.

We can do the same thing with the second function. Two points that I notice on the graph are (-1,0) and (0,4). Let's use the same slope formula.

m=\frac{4-0}{0-(-1)}\\m=\frac{4}{1}\\m=4

And the slope of function 2 is 4. That answers the first part. The second part asks about rate of change.

Function 2 has a greater rate of change, since 4>-2.

Hope this helps!

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In a given figure if o is the centre of circle and oabc is a parallelogram find the value of abc
ahrayia [7]

From the given information, we get the value of ABC = 120°.

<h3>How to estimate the value of ABC?</h3>

Given: In the figure, O exists the center of the circle and OABC exists as a parallelogram.

Now, the radius of the circle exists

OA = OB = OC

Opposite sides of a parallelogram are equal

AB = OC and OA = BC

In ∆OAB,

OA = OB = AB and,

In ∆OCB,

OC = OB = BC

Therefore, ∆OAB and ∆OCB exist in equilateral triangles.

All angles of an equilateral triangle are equivalent to 60°.

Hence, ∠ABC = ∠OBA + ∠OBC

∠ABC = 60° + 60°

∠ABC = 120°

Therefore, the value of ∠ABC = 120°.

To learn more about parallelogram refer to:

brainly.com/question/24291122

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6 0
2 years ago
6x - 3y = -6<br> y = 2x + 2
Verizon [17]

Answer:

y=0, x=1

Step-by-step explanation:

6x-3y= -6 ...... equation 1

y =2x+2 ..... equation 2

subtract 2x from both sides

y-2x=2x-2x+2

y-2x=2

6x-3y= -6

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Rearrange

6x-3y= -6 ........x1

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-6x +3y=2

0y=0

y=0

substitute y=0 in equation 1

6x-3xo= -6

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x-6/6

x = -1

4 0
3 years ago
9100 dollard placed into an account with an annual intrest of 5% to the neareast year how long will it take for the account to v
shusha [124]

Answer:

81 years

Step-by-step explanation:

The answer is 81 because 5% of 9100 is 455 and 36900 divided by 455 is rounded to 81.

4 0
3 years ago
Please show work! will mark brainlest!!!!!!!!
GarryVolchara [31]

Answer:

34cm

4+2+5+9+6+3+3+(9-4+3)

6 0
2 years ago
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6x=7-4y
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