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Nutka1998 [239]
3 years ago
13

(c2−4c+7) -(7c2−5c+3).

Mathematics
1 answer:
Nutka1998 [239]3 years ago
3 0

Answer:

USE CALCUKATOR LAAAAHHH!!!

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Answer if u love cats & dogs
eimsori [14]

Answer:

<em>(7, 5.25)</em> lies on the graph.

Step-by-step explanation:

We are given the following values

x = 4,   6,  8, 12 and corresponding y values are:

y = 3, 4.5, 6, 9

Let us consider two points (4, 6) and (6, 4.5) and try to find out the equation of line.

Equation of a line passing through two points (x_1,y_1) and (x_2,y_2) is given as:

y=mx+c

where m is the slope.

(x,y) are the coordinates from where the line passes.

c is the y intercept.

Here,

x_{1} = 4\\x_{2} = 6\\y_{1} = 3\\y_{2} = 4.5

Formula for slope is:

m = \dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}

m = \dfrac{4.5-3}{6-4}\\\Rightarrow m = \dfrac{1.5}{2}\\\Rightarrow m = \dfrac{3}{4}

Now, the equation of line becomes:

y=\dfrac{3}{4}x+c

Putting the point (4,3) in the above equation to find <em>c</em>:

3=\dfrac{3}{4}\times 4+c\\\Rightarrow 3=3+c\\\Rightarrow c =0

So, final equation of given function is:

y=\dfrac{3}{4}x

OR

4y=3x

As per the given options, the point <em>(7, 5.25) </em>satisfies the equation.

So correct answer is (7, 5.25).

6 0
3 years ago
Im really bad in math so could anyone help me please
emmasim [6.3K]
Answer is
5, the third option
7 0
2 years ago
Read 2 more answers
Help me plz <br><br>76° A B D с What is the measure of ZC? (Hint: just give numerical answer... ​
butalik [34]

Answer:

∠ACB = 38°

Step-by-step explanation:

∠ACB is an inscribed angle while arcAB is its intercepted arc

An inscribed angle is equal to half the length of its intercepted arc

Hence, ∠ACB = 1/2 the measure of arc AB

arc AB = 76°

Hence ∠ACB = 1/2 of 76

76/2 = 38

Therefore ∠ACB = 38°

8 0
2 years ago
Someone please help!!
kifflom [539]
The answer is B hope it helped you
6 0
3 years ago
Read 2 more answers
Anybody good at math that can help?
Nostrana [21]

Answer:

b is the answer

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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