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irga5000 [103]
3 years ago
10

7. WILL MARK BRAINLIEST!! HELP! ​

Mathematics
1 answer:
Vilka [71]3 years ago
6 0

Step-by-step explanation:

first factorise the denominator

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Is this a quadratic function 2x+13=13
lys-0071 [83]

Answer:

Step-by-step explanation:

Simplifying

2x + 13 = 0

Reorder the terms:

13 + 2x = 0

Solving

13 + 2x = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-13' to each side of the equation.

13 + -13 + 2x = 0 + -13

Combine like terms: 13 + -13 = 0

0 + 2x = 0 + -13

2x = 0 + -13

Combine like terms: 0 + -13 = -13

2x = -13

Divide each side by '2'.

x = -6.5

Simplifying

x = -6.5

7 0
2 years ago
Explain when each method(graphing, substitution,linear combinations) is a good method to find a solution to a system of equation
PSYCHO15rus [73]
Graphing is a good method when you have small integers or fractions as your slope.
Substitution is a good method when you have two equations, and when one of the coefficient of the variables is one.
Linear combinations is a good method when you have the same coefficient for the same variable in 2 different equations.
6 0
3 years ago
Read 2 more answers
Dora has saved $575 in five months. Express the rate of savings as a unit rate
creativ13 [48]
575 / 5 = 115

Dora has saved $115 per month.
6 0
3 years ago
Help, please I need the answer
laila [671]

Answer: -22

Good Luck!

6 0
3 years ago
Help me with questions 3 & 4
ASHA 777 [7]

3. -4x - 6

-3(x + 2) - x → ( distribute bracket by - 3)

= - 3x - 6 -x → (collect like terms)

=( - 3x - x) - 6 = - 4x - 6

4. A has the smallest value

A =( 2 - 3 ) = -1

B = 2 × 3 = 6

C = 2 + 3 = 5

D = \frac{2}{3}

A is negative while the others are all positive.

Thus A is the smallest value expression


6 0
3 years ago
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