4 times the sum of 14 + 26

Answers

Answer 1

Answer: that means
4 times (4 times ) the sum (the quantity x+y to be named) of (times ) 14+26 (14+26)
4 times (14+26)
pemdas
paernthasees fors
14+26=40
4 times (40)=160

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When you divide a number by 1/2, the result is A) half the original number. B) twice the original number. C) 50% of the original number. D) 100% of the original number.
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What is the value of the discriminant of the quadratic equation −1 = 5x2 −2x, and what does its value mean about the number of real number solutions the equation has?The discriminant is equal to −16, which means the equation has no real number solutions.
The discriminant is equal to −16, which means the equation has two real number solutions.
The discriminant is equal to 24, which means the equation has no real number solutions.
The discriminant is equal to 24, which means the equation has two real number solutions.

Answers

For the equation:
-1=5 x^2 - 2 x
5 x^2 - 2 x + 1 = 0, then we substitute: a=5, b=-2, c =1
to discriminant formula: D= b^2 - 4 a c = (-2)^2 - 4 * 5 * 1 = 4 - 20 = - 16
Answer:
The discriminant is equal to -16 which means the equation has no real number solutions.

The correct option regarding the discriminant of the quadratic equation is given by:

The discriminant is equal to −16, which means the equation has no real number solutions.

What is the discriminant of a quadratic equation and how does it influence the solutions?

A quadratic equation is modeled by:

$y = ax^2 + bx + c$

The discriminant is:

$\Delta = b^2 - 4ac$

The solutions are as follows:

If $\mathbf{\Delta > 0}$ , and it is a perfect square, it has 2 rational solutions.

If $\mathbf{\Delta > 0}$ , and it is not a perfect square, it has 2 irrational solutions.

If $\mathbf{\Delta = 0}$ , it has 1 rational solutions.

If $\mathbf{\Delta < 0}$ , it has 2 complex solutions.

In this problem, we have that:

5x² - 2x = -1

5x² - 2x + 1 = 0

Hence the coefficients are a = 5, b = -2 and c = 1, while the discriminant is given by:

$\Delta = b^2 - 4ac = (-2)^2 - 4(5)(1) = -16$

No real solutions, hence the first option is correct.

More can be learned about the discriminant of quadratic equations at brainly.com/question/19776811

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15. (a) Work out the value of 25-3

Answers

25 - 3 = 22

This is because subtraction is the operation of finding the difference between two numbers. To subtract 3 from 25, we start from 25 and count backwards 3 units.

The front of a box is a square with an area of 175 square units. What would be the best represents S, the length of the edge of the front of the box in units? Round your answer to the nearest tenth.

Answers

Answer:

13.2

Step-by-step explanation:

√175 ≈ 13.2 . . . units

The area of a square is the square of the edge length. Hence, the edge length is the square root of the area.

Multiply. State any excluded values.

Answers

The answer is D. -2 is an excluded value, because when you simplify the expression, you get -3q - 6 on the bottom. You can't divide by zero, and if q was -2, you would be doing so, so the answer is D.

$(q + 5)/(-3) * (-3q)/(q + 2) = (q + 5)/(1) * (q)/(q + 2) = (q^(2) + 5q)/(q + 2)$

The answer is D.

How do you find the perimeter of triangle ABC?

Answers

Alright, so we'll use the Pythagorean Theorem for this one.
⇒ a²+b²=c²

The hypotenuse of a triangle is represented by c² and we're given the values for a and b. For this triangle, we'll make 15 = a and 20 = b. Plug this into the equation and we'll have (15)² + (20)² = c ². This gives us 625 = c². Solve for c by square rooting both sides of the equation. √(625) = c. We now know that c = 25. To take the perimeter, we add a + b + c ⇒ (15) + (20) + (25) = Perimeter.

-Hope this helps!

do the Pythagorean Theorem - a^2+b^2=c^2

20^2+15^2=c^2
400+225=c^2
625=c^2
sqrt(625)=c
c=25

Add all of the sides up and you get 25+15+20=60

Sean keeps track of his driving so that he can take a tax deduction. Sean drove 260 miles last month, in comparison to 325 miles this month. By what percent has his monthly driving increased?

Answers

Answer:

25%

Step-by-step explanation:

325/260 = 1.25

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