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2 years ago

Name the property of real numbers illustrated by the equation. -4(x + 3) = -4x - 12

Mathematics

2 answers:

WINSTONCH [101]2 years ago

6 0

Distributive property then additive inverse

Mars2501 [29]2 years ago

5 0

Answer:

distributive property and idk the other

Step-by-step explanation:

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3x²-9x+1+0 Find the discriminant

Sindrei [870]

Answer:

$\boxed{D = 69}$

Step-by-step explanation:

The given quadratic equation is:

$3x^2-9x+1 = 0$

Comparing it with the standard form of Quadratic Equation $ax^2+bx+c = 0$ , we get:

a = 3, b = -9 and c = 1

Discriminant = b² - 4ac

D = (-9)²-4(3)(1)

D = 81 - 12

D = 69

3 0

2 years ago

Given: f(x) = 3x + 2 and g(x) = 2x - 4

likoan [24]

In f(x) = 3x + 2, the x is being represented in the function. So, if we replace the x with the g(x) functions, we get:

f(g(x)) = 3(2x - 4) + 2

f(g(x)) = 6x - 12 + 2

f(g(x)) = 6x - 10

3 0

2 years ago

Read 2 more answers

Your school wants to take out an ad in the paper congratulating the basketball team on a successful season, as shown to the righ

Greeley [361]

Answer:

$(7 - x)(4 - x) \\ 28 - 7x - 4x + x {}^{2} \\ x {}^{2} - 11x + 28 = 0 \\ x {}^{2} - 7x - 4x + 28 = 0 \\ x (x - 7) - 4(x - 7 )= 0 \\ (x - 4)(x - 7) = 0 \\$

the value of x is 7 or 4

4 0

3 years ago

Read 2 more answers

Solve for < x < 180degrees

Tamiku [17]

Option C: 90° is the value of x.

Explanation:

The given expression is $4+2 \sin x=14-8 \sin x$ for $0^{\circ} \leq x \leq 180^{\circ}$

We need to solve the expression.

Thus, we have,

$4+2 \sin x=14-8 \sin x$

Subtracting both sides by 4, we have,

$2 \sin x=10-8 \sin x$

Adding both sides by 8 sin x, we get,

$10 \sin x=10$

Dividing both sides by 10, we have,

$sin \ x=1$

Taking $sin^{-1}$ on both sides of the equation, we get,

$x=sin^{-1}(1)$

$x=90^{\circ}$

Thus, the value of x is 90°

Hence, Option C is the correct answer.

4 0

2 years ago

How would I translate this algebraic expression?

FromTheMoon [43]

Answer: $\frac{5}{7} (2+\frac{6}{r} )$

Step-by-step explanation:

Since, the quotient of 6 and r = $\frac{6}{r}$

The sum of two and the quotient of 6 and r

= $(2+\frac{6}{r} )$

And, Five-sevenths of the sum of two and the quotient of 6 and r

= $\frac{5}{7} (2+\frac{6}{r} )$

Thus, the required expression is, $\frac{5}{7} (2+\frac{6}{r} )$

3 0

2 years ago