MATHEMATICS HIGH SCHOOL

Solve for j 6j+16=4j-10

Answers

Answer 1

Answer:

$\text {Hello! The answer to your problem is j=-13}$

$\text {Subtract 4j:}\n\text {6j+16-4j=4j-10-4j}\n\text {2j+16=-10}$

$\text {Subtract 16:}\n\text {2j+16-16=-10-16}\n\text {2j=-26}$

$\text {DIVIDE both sides by 2:}\n\text {2j/2=-26/2}\n\text {x=-13}$

$\text {Hope this helps!}\n\n\text {-LimitedX}$

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Solve:

n/4-1=n/5

.·(>▂<)·.

Answers

$(n)/(4)-1=(n)/(5)\n5n-20=4n\n5n-4n=20\nn=20$

The perimeter of a rectangle is 30 centimeters. The width of the rectangle is 6 centimeters. How long is the rectangle?

Answers

it is 9 because 9+9=18 and 18+6=24 and 24+6=30

Which is a factor of x2 5x − 24? (x − 6) (x 6) (x − 8) (x 8)

Answers

The factor of the polynomial expression x² + 5x − 24 are (x + 8) and (x - 3) option (D) (x + 8) is correct.

What is a quadratic equation ?

Any equation of the form $\rm ax^2+bx+c=0$ where x is variable and a, b, and c are any real numbers where a ≠ 0 is called a quadratic equation.

As we know, the formula for the roots of the quadratic equation is given by:

$\rm x = (-b \pm√(b^2-4ac))/(2a)$

The question is incomplete.

The complete question is:

Which is a factor of x² + 5x − 24?

(x − 6)
(x + 6)
(x − 8)
(x + 8)

We have a quadratic polynomial:

= x² + 5x − 24

To find the factors of the above polynomial we can use the factor method:

= x² + 8x - 3x − 24

= x(x + 8) - 3(x + 8)

= (x + 8)(x - 3)

The factor of the polynomial expression x² + 5x − 24 is (x + 8) and (x - 3).

Thus, the factor of the polynomial expression x² + 5x − 24 are (x + 8) and (x - 3) option (D) (x + 8) is correct.

Learn more about quadratic equations here:

brainly.com/question/2263981

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Factors of -24 that add up to 5

8 and -3

so (x + 8)(x - 3) are its factors.

The answer would be (x + 8)

If f(x) = 4 – x2 and g(x) = 6x, which expression is equivalent to (g – f)(3)?

Answers

For this case we have the following functions:

The first thing we must do for this case is to subtract both functions.

We have then:

Substituting we have:

Rewriting we have:

Evaluating the obtained function for x = 3 we have:

Answer:

The value of the function evaluated at x = 3 is:

$(g - f) (3) = 23$

f(x) = -x² + 4
g(x) = 6x

(g - f)(3) = 6(3) - (-(3)² + 4)
(g - f)(3) = 18 - (-9 + 4)
(g - f)(3) = 18 - (-5)
(g - f)(3) = 18 + 5
(g - f)(3) = 23

Wes is 4 years older than his sister. Let x be his sister's age. Write an expression that tells how old Wes is.

Answers

x+4

if x is Wes' sister's age, then it would be x + 4 since Wes is 4 years older.

Need help plz!!
XY = -4

Answers

the correct answer is v.

hope this helps!

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