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Neko [114]
3 years ago
8

Solve the quadratic equation x2-10x+49=4x+1

Mathematics
2 answers:
CaHeK987 [17]3 years ago
8 0

Answer:

x=8 & x=6

Step-by-step explanation:

xz_007 [3.2K]3 years ago
3 0

Answer:

X= X2+48/14

Step-by-step explanation:

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1/2 x + 3/4=1 please help me!
Kipish [7]
X=1/2 :)))))))))))))
8 0
3 years ago
Using a graph, table of values, and/or equations solve the following problem.
german

Answer: the cost of the love seat would be $89

Step-by-step explanation:

Let cost of sofa be x

let cost of love seat be y

x + y = 267

x = 2y

2y + y = 267

3y = 267

3/3y = 267/3

y = 89

hope it helps :)

8 0
3 years ago
Evaluate the function f(x) = 2x3 - 6x + 1 for f(-2).
erma4kov [3.2K]

Answer:

- 3

Step-by-step explanation:

f(x) = 2 {x}^{3}  - 6x + 1 \\ plugging \: x =  - 2 \\ f( - 2) = 2( { - 2})^{3}  - 6( - 2)+ 1  \\  = 2 \times ( - 8) + 12 + 1 \\  =  - 16 + 13 \\  =  - 3 \\ f( - 2) =  - 3

7 0
4 years ago
Solve the equation 6w2 – 7w – 20 = 0.
azamat

For this case we have the following quadratic equation:

6w ^ 2-7w-20 = 0

Where:

a = 6\\b = -7\\c = -20

Its roots will be given by:

w = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2 (a)}\\w = \frac {- (- 7) \pm \sqrt {(- 7) ^ 2-4 (6) (- 20)}} {2 (6)}\\w = \frac {7 \pm \sqrt {49 + 480}} {12}\\w = \frac {7 \pm \sqrt {529}} {12}\\w = \frac {7 \pm23} {12}

The roots are:

w_ {1} = \frac {7 + 23} {12} = \frac {30} {12} = \frac {15} {6} = \frac {5} {2}\\w_ {2} = \frac {7-23} {12} = \frac {-16} {12} = - \frac {8} {6} = - \frac {4} {3}

Answer:

w_ {1} = \frac {5} {2}\\w_ {2} = - \frac {4} {3}

7 0
3 years ago
Read 2 more answers
What are the steps to finding the area of a parallelogram? What are the steps to finding the area of an isosceles trapezoid
Elis [28]

Answer/Step-by-step explanation:

To find the area of the parallelogram, multiply the base of the perpendicular by its height. It should be noted that the base and the height of the parallelogram are perpendicular to each other, whereas the lateral side of the parallelogram is not perpendicular to the base.

The area of this parallelogram is its height (half-height of the trapezoid) times its base (sum of the bases of the trapezoid), so its area is half-height × (base1 + base2). Because the parallelogram is made from the same “stuff” as the trapezoid, that's the area of the trapezoid, too.

5 0
3 years ago
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