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3 years ago

Solve the equation 51 = x(3.50 + 5.50)

Mathematics

2 answers:

Vilka [71]3 years ago

6 0

FOLLOW ME FOR CLEARING YOUR NEXT DOUBT

Sliva [168]3 years ago

5 0

The answer is x= 17/3

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HELP ASAP 50 POINTS

Nastasia [14]

Answer: x = the quantity of 5 plus or minus the square root of 29 all over 2

Step-by-step explanation:

The given quadratic equation is expressed as

x² - 5x - 1 = 0

The equation is already in the standard form of ax² + bx + c

The general formula for solving quadratic equations is expressed as

x = [- b ± √(b² - 4ac)]/2a

From the given quadratic equation,

a = 1

b = - 5

c = - 1

Therefore,

x = [- - 5 ± √(- 5² - 4 × 1 × - 1)]/2 × 1

x = [5 ± √(25- - 4)]/2

x = [5 ± √29]/ 2

x = ( 5 + √29)/- 2 or x = (5 - √29)/2

4 0

2 years ago

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If quarterly payments are made for 15 years, find the value for n in the following present value ordinary annuity formula.

miss Akunina [59]

Answer:

b. (60)

Step-by-step explanation:

n represents the number of payments. If there are 4 per year for 15 years, that's a total of 4×15 = 60 payments.

n = 60

7 0

2 years ago

Combine like terms to simplify 2xy-xy-y+7y-xy

Papessa [141]

The Answer Is 3 When You Combine Like Terms

5 0

3 years ago

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BD and AC are chords that intersect at point Y.

Sindrei [870]

Answer:

4 units

Step-by-step explanation:

The complete question is

BD and AC are chords that intersect at point Y. A circle is shown. Chords B D and A C intersect at point Y. The length of B Y is 3, the length of Y D is 8, the length of A Y is x, and the length of Y C is 6. What is the length of line segment AY?

The picture of the question in the attached figure

we know that

The Intersecting Chord Theorem states that: When two chords intersect each other inside a circle,the products of their segments are equal.

In this problem

$(BY)(YD)=(AY)(YC)$

substitute the given values

$(3)(8)=(x)(6)$

solve for x

$24=6x\\x=24/6\\x=4\ units$

therefore

The length of segment AY is 4 units

6 0

3 years ago

Read 2 more answers

If f(x) = 2x - 1 and g(x)=x²-3x-2, find (f+ g)(x).

Ira Lisetskai [31]

$\text{Given that,}~ f(x) = 2x -1~ \text{and}~ g(x) = x^2- 3x -2 \\\\\text{Now,}\\\\~~~(f+g)(x)\\\\=f(x) + g(x)\\\\=2x-1 +x^2 -3x -2\\\\=x^2 -x -3$

4 0

1 year ago

Read 2 more answers