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Ierofanga [76]
3 years ago
12

A system of equations is shown below:

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
4 0
The answer is (3,-1). You can also plug it back into the equation to check.
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A plan shows a length 3cm. If the scale is 2cm:5m-what is the actual length?
posledela

Answer:

7.5m

Step-by-step explanation:

1cm:2.5m

3cm:7.5m

8 0
3 years ago
HELP PLEASE! WORTH 30 POINTS! In this diagram, both polygons are regular. What is the value, in degrees, of the sum of the measu
lara [203]

that is the sum of the interior angles of a triangle,or the 3 sided polygons

8 0
3 years ago
Read 2 more answers
We used these functions to represent the two sides of the equation:
katrin [286]

The solution to the system of equation graphed is (-1, -3)

<h3>Solution to system of equation</h3>

Given the system of equations graphed on the plane expressed as:

f(x) = 3x

g(x) = 4x + 1

Equate

f(x) = g(x)

3x = 4x + 1

3x - 4x = 1

-x = 1

x = -1

Determine the value of y

y = 3x

y = 3(-1)

y = -3

Hence the solution to the system of equation graphed is (-1, -3)

Learn more on system of equation here: brainly.com/question/847634

#SPJ1

4 0
2 years ago
Pllzzzz help it’s an exam !!!! A side of the triangle below has been extended to form an exterior angle of 125 . Find the value
Delvig [45]

Answer:

i think it is 105

Step-by-step explanation:

180-125=55

180-(55+25)=105

*second 180 is triangle's total interior angle

5 0
2 years ago
If 3x^2 -2x+7=0, then(x-1/3)^2=
Harman [31]
3x² - 2x + 7 = 0.

Using method of completing the square.

3x² - 2x = 0 - 7

3x² - 2x = -7          Divide through by 3.

x² - 2/3x = -7/3   ...........(d)

Coefficient of x = -2/3,  half of it = 1/2*-2/3 = -1/3    square of it = (-1/3)² = 1/9

We add (1/9) to both sides of equation (d)

<span>x² - 2/3x = -7/3 
</span>
<span>x² - 2/3x + 1/9 = -7/3 + 1/9

We factorize it by making using of half of the coefficient,  -1/3
</span>
(x - 1/3)² = -7/3 + 1/9

<span>(x - 1/3)² = -20/9
</span>
That's the answer as asked by the question.   -20/9
5 0
3 years ago
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