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meriva
3 years ago
14

Find all possible solutions for the following equation x²+7x+63=63

Mathematics
2 answers:
Ugo [173]3 years ago
8 0

Answer:

Step-by-step explanation:

X^2+7x+63=63

<=> x^2+7x=63-63=0

<=> X(x+7)=0

<=> x1=0

X2=-7

iVinArrow [24]3 years ago
4 0

Answer:

0 or -7

Step-by-step explanation:

     x² + 7x + 63 = 63

⇔ x² + 7x + 63 - 63 = 0

⇔ x² + 7x = 0

⇔ x(x + 7) = 0

So either:  x = 0

            or x + 7 = 0 ⇔ x = -7

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Tools
tresset_1 [31]

Answer:

$81.55

Step-by-step explanation:

$15+15%=15x1.15=$17.25

$23+10%=23x1.1=$27.50

$32+15%=32x1.15=$36.80

Total=$81.55

(Time to find a cheaper shop)

4 0
3 years ago
Help<br> What is an equation of the line that passes through the points (-4, 4) and (8.1)?
Svetach [21]

Answer:

y = -1/4x +3

Step-by-step explanation:

Hope this helps!

3 0
3 years ago
Define the domain of the following
devlian [24]

The domain of the function or relation on the graph is { -2, -1, 0, 2 and 5}

<h3>What is the domain of a function?</h3>

The domain of the function is the set of input values of the graph

<h3>How to determine the domain of the function?</h3>

The function is represented by the set of relation or ordered pairs on the graph

The graph is given as an attachment

The ordered pairs in the relation on the graph are:

(x, y)  = (-2, -3), (-1, -1), (0, 3), (2, 1) and (5, 2)

Remove the y values in the above domain

x = -2, -1, 0, 2 and 5

The x values represent the domain of the function

And the domain of the function is the set of input values of the graph

Hence, the domain of the function or relation on the graph is { -2, -1, 0, 2 and 5}

Read more about domain at:

brainly.com/question/1770447

#SPJ1

7 0
2 years ago
I need this answer ASAP please! The rectangle in the figure is composed of six squares. Find the side length of the largest squa
Sladkaya [172]

Answer:

7

Step-by-step explanation:

the side length of the largest square is x

2x-1=3x-8

    -x=-7

       x=7

3 0
3 years ago
Read 2 more answers
For every hour that Noah studies, his test score goes up 3 points. Explain which is the independent variable and which is the de
Arturiano [62]
The independent variable is hours and the score or points is the dependent variable .equation is s=3h
4 0
3 years ago
Read 2 more answers
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