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Helen [10]
3 years ago
11

Evaluate 3(5 - 8) - 7 02. 0-16 0-7

Mathematics
1 answer:
Valentin [98]3 years ago
7 0

Answer: -16

Step-by-step explanation:

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F=30x+60y<br>6x+4y=204<br>x+y=36<br>​
ikadub [295]

Answer:

x=30,F=1260,y=6

Step-by-step explanation:

is what your looking for

6 0
3 years ago
Using synthetic division, what is the factored form of this polynomial <br> x^3+3x^2-13x-15
kotegsom [21]

Answer:

D.

Step-by-step explanation:

(x-3)(x+1)(x+5)

3 0
3 years ago
what are the solution(s) to the quadratic equation 50 – x2 = 0? x = ±2 x = ±6 x = ±5 no real solution
Darina [25.2K]

Consider the given quadratic equation 50-x^2=0

x^2-50=0

Comparing the given quadratic equation to the general equation ax^2+bx+c=0, we get a= 1, b=0 and c= -50

So, the solution to the quadratic equation is given by:

x = \frac{-b \pm \sqrt{b^2-4ac}}{2a}

x = \frac{-0 \pm \sqrt{0^2-4(1)(-50)}}{2}

x = \frac{\pm \sqrt{200}}{2}

x = \pm \sqrt2 (5)

x = \pm 5\sqrt2

So, the solutions to the given quadratic equation are x = \pm 5\sqrt2.

5 0
3 years ago
Read 2 more answers
Please help with this question!!!
DIA [1.3K]

y = - 3(x + 1 )² + 2

the equation of a quadratic in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

here vertex = (- 1, 2), hence

y = a(x + 1)² + 2

to find a substitute (1, - 10) into the equation

- 10 = 4a + 2 ⇒ 4a = - 12 ⇒ a = - 3

y = - 3(x + 1)² + 2 ← in vertex form





8 0
4 years ago
Solve for x 3 x − 2 = 4 x + 5
Law Incorporation [45]

Answer:

3x - 2 = 4x + 5

3x - 4x = 2 + 5  (move the numbers with the variable x to one side, and the normal numbers to the other side. Switch the signs of the numbers you move. 4x became -4x and -2 became 2.)

-x = 7 (simply add the numbers)

x = 7

8 0
2 years ago
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