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scoundrel [369]
3 years ago
12

Solve the following system. y = ()x 2 + 2x - 1 and 3x - y = 1

Mathematics
2 answers:
Neko [114]3 years ago
6 0

Answer:

(0,1) and (2,5)

Step-by-step explanation:


umka21 [38]3 years ago
3 0
Hello here is a solution : 

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Given f(x)=7x-9 and g(x) =x^2, choose the expression for (f*g)(x)
Travka [436]

ANSWER

(f\circ g)(x)=7 {x}^{2}  - 9

EXPLANATION

It was given that;

f(x) = 7x - 9

and

g(x) =  {x}^{2}

We want to find an expression for the composition function;

(f\circ g)(x)=f(g(x))

(f\circ g)(x)=f( {x}^{2} )

We substitute x² into f(x)=7x-9

This will give us:

(f\circ g)(x)=7 {x}^{2}  - 9

6 0
3 years ago
HELPPP....PLEASE...........
kogti [31]

Answer:

9 1/3, 12 1/2, 14 3/4

Step-by-step explanation:

I assume the formula you’re working with is A=b*h since nothing says otherwise...

((Patio 1))

So you have your area (147) and your base (15 3/4), now you need to plug them in, which should look like this:

147= 15 3/4*h

You need to isolate your h in order to get the missing number, so you should divide both sides by 15 3/4 OR 63/4 ((15*3—>60+3=63))

Dividing by a fraction is the equivalent of multiplying by its reciprocal... so

147 * 4/63 = 588/63 which can be simplified to 84/9 once both the numerator and denominator are divided by 7

In mixed number for it is 9 3/9 which simplified becomes 9 1/3

You solve the other similarly

3 0
4 years ago
Is ( 1,-1) a solution to the following system of inequalities:
SVETLANKA909090 [29]

Answer:

No

Step-by-step explanation:

x-y less than -2

4x+y less than 3

4x less than 3+y

4x less than 3y

6 0
3 years ago
2x + 49 = -8 (-x-5)<br> Show your work please :D
melomori [17]

Answer:

2x + 49 = -8 (-x-5)

x=-57/2

x=-28.5

because if you substitute x for 28.5, it makes it equal

Step-by-step explanation:

Hope I Helped!!!

4 0
3 years ago
Convert the following equations from point-slope form to slope-intercept form.
mojhsa [17]
<h2>Answer:</h2>

We need to solve both for y.

<u>#9:</u>

<u />y - 4 = 3(x - 1)\\\\y - 4 = 3x - 3\\\\y = 3x + 1<u />

<u>#10:</u>

<u />y - 1 = -4[x - (-3)]\\\\y - 1 = -4(x + 3)\\\\y - 1 = -4x - 12\\\\y = -4x - 11<u />

7 0
3 years ago
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