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sveta [45]
3 years ago
15

Please help me plz plz plz

Mathematics
2 answers:
dybincka [34]3 years ago
8 0

Answer:

XY

Step-by-step explanation:

XY

hope this helps. :)

mojhsa [17]3 years ago
8 0

Answer:XY

Step-by-step explanation:

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What are the solutions to the system of equations?<br> y = 2x² + 6x - 10<br> \ y =<br> y = -x + 5
Akimi4 [234]

Answer:

x= 1.5, y= 3.5

or x= -5, y= 10

Step-by-step explanation:

Let's solve by substitution.

Label the two equations:

y= 2x² +6x -10 -----(1)

y= -x +5 -----(2)

Substitute (2) into (1):

2x² +6x -10= -x +5

2x² +6x +x -10 -5= 0

Simplify:

2x² +7x -15= 0

Factorise:

(2x -3)(x +5)= 0

2x -3= 0 or x +5= 0

2x= 3 or x= -5

x= 1.5

Now that we have found the value of x, we can find the value of y through substitution.

Substitute into (2):

y= -1.5 +5 or y= -(-5) +5

y= 3.5 or y= 10

Supplementary:

Do check out the following should you wish to learn more about solving quadratic equations!

  • brainly.com/question/12187987

3 0
2 years ago
In AABC, 2B= 2C, and m_A= 349. Find mzo<br> A. 56°<br> B. 730<br> c. 112°<br> 1460
Leno4ka [110]

Answer:

i think it' =-8abc(a+b-c)

Step-by-step explanation:

7 0
3 years ago
Factorise x cubed - x
kirill [66]

Answer:

= x(x+1)(x-1)

Step-by-step explanation:

Given the expression x³ - x

On factorizing

x³ - x

= x(x²-1)

Using difference of two square

a² - b² = (a+b) (a-b)

x² - 1

= x² - 1²

= (x+1)(x-1)

The complete factor

x³ - x

= x(x²-1)

= x(x+1)(x-1)

7 0
3 years ago
The debate team has 15 members. Each member sold c coupon books as a fundraiser. Write an expression that shows the number of co
Svetllana [295]

15c

The team has fifteen members and each member sells an unknown amount of coupon books.

7 0
4 years ago
What is the slope of (0,6) (0,14)
algol13

Answer:

y=20 cuz the x is 0 so there for its y

3 0
3 years ago
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