MATHEMATICS MIDDLE SCHOOL

What scale factor did he use for the dialation A. 1/3

B. 1/2

C. 2

D. 3
What scale factor did he use for the dialation A. - 1

Answers

Answer 1
Answer: C is the answer I think.
Answer 2
Answer: I think the answer will be C

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Solve the following equation using the quadratic formulax^2-8x 97 = 0
The answer choices are in the picture

Answers

Answer:

Option B

x=4+9i  and  x=4-9i

Step-by-step explanation:

we have

x^(2) -8x+97=0

The formula to solve a quadratic equation of the form ax^(2) +bx+c=0 is equal to

x=\frac{-b(+/-)\sqrt{b^(2)-4ac}} {2a}

in this problem we have

x^(2) -8x+97=0

so

a=1\nb=-8\nc=97

substitute in the formula

x=\frac{-(-8)(+/-)\sqrt{-8^(2)-4(1)(97)}} {2(1)}

x=\frac{8(+/-)√(-324)} {2}

Remember that

i^(2) =-1

i=√(-1)

x=\frac{8(+/-)18i} {2}

x=\frac{8(+)18i} {2}=4+9i

x=\frac{8(-)18i} {2}=4-9i

Final answer:

To solve the equation x^2 - 8x + 97 = 0 using the quadratic formula, substitute the coefficients into the formula and simplify the expression. In this case, the equation has no real solutions.

Explanation:

To solve the equation x^2 - 8x + 97 = 0 using the quadratic formula, first identify the coefficients in the equation. The quadratic formula is given by x = (-b ± sqrt(b^2 - 4ac)) / (2a). In this case, a = 1, b = -8, and c = 97. Substitute these values into the quadratic formula and simplify the expression to find the value(s) of x.

Using the quadratic formula, we have x = (-(-8) ± sqrt((-8)^2 - 4(1)(97))) / (2(1)). Simplifying further, we get x = (8 ± sqrt(64 - 388)) / 2. Continuing the simplification, we have x = (8 ± sqrt(-324)) / 2. Since the square root of a negative number is not a real number, the equation has no real solutions.

Therefore, the answer is that there are no real solutions to the equation x^2 - 8x + 97 = 0.

Learn more about Quadratic Equations here:

brainly.com/question/30098550

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Susan is stacking boxes on a shelf each box is shaped like a rectangular prism it has a length of 2 feet a width of 15 inches and a height of 3 inches. She will stack the boxes on top of each other the space on the shelf is 1 1/2 as a fraction yards high what is the greatest amount of boxes she can stack on the shelf

Answers

i would say you can stack 10 boxes on the shelf

Answer: It should be at least 12.

Step-by-step explanation:

A giraffe is standing 22 feet from a naturalist hiding in the bush. The naturalist sights the animal and finds the angle of elevation is 30 degrees How tall is the giraffe?

Answers

Answer:

height = 12.7 feet

Step-by-step explanation:

To find the height of the giraffe, we just need to use the tangent relation of the angle of elevation.

The opposite side to the angle is the height of the giraffe, and the adjacent side of the angle is the distance between the giraffe and the narutalist.

So, we have that:

tangent(30) = height / distance

0.5774 = height / 22

height = 22 * 0.5774 = 12.7 feet

Answer:

12.7

Step-by-step explanation:

Someone helpppppppppppppp..... Worth 20 pointsssssss it's the last question and I've been confused for the past 2 hours Write your own problem about slopes, lines, and intercepts, and solve for this inequality: 3.75x − 2.3 > 2.75x + 3.8

Answers

this is so easy dud. help is on the way

Answer:

my name jeff

Step-by-step explanation:

Given that f(x)=2/x^2, what is the value of f(x) what x=2A. 2.5
B. 2
C. 1
D. 0.5

Answers

The value of the given function f(x) at x = 2 is 0.5.

What is a function?

A function is a relation between two sets called domain and range. The function between a domain 'x' and a range 'y' is denoted by y = f(x).

Given, f(x) = 2 / x²

Therefore, f(x) at x = 2 is:

= f(2)

= 2 / (2)²

= 2 / 4

= 1 / 2

= 0.5

Learn more about a function here: brainly.com/question/19933604

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It would be D because 2 / 2^2 = 2 / 4 = 1 / 2 = 0.5

What is the value of x?
3(x-2)+5x=18

Answers

3(x-2) + 5x = 18
3x-6+5x=18
8x=18+6
x=24/8
x=3
:)
3x - 6 + 5x = 18
8x - 6 = 18
8x = 24

x = 3
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