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melamori03 [73]
4 years ago
13

PLZ HELP, GIVING BRAINLIEST!!

Mathematics
1 answer:
SSSSS [86.1K]4 years ago
3 0

Answer:

D. 180° rotation

Step-by-step explanation:

Since it is not a horizontally or vertically symmetric figure, reflections won't produce the very same figure.

I have attached an image where all the given transformations are shown. In fact, I used the very same image as provided.

CW and CCW mean clockwise and counter-clockwise respectively

We can easily see that the only one who matches the original figure is the 180° rotation

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Which of the following is the maximum value of the function y = −x^2 + 2x + 1?
azamat

Answer:

Step-by-step explanation:

We don't need choices to find out the correct answer. Solve this problem by completing the square. Begin by setting the quadratic equal to 0 and moving over the constant, like this:

-x^2+2x=-1 and factor out the -1 in front of the x-squared, since the leading coefficient HAS to be a 1:

-1(x^2-2x)=-1 Now take half the linear term, square it, and add it to both sides. Our linear term is -2. Half of -2 is -1, and squaring that gives us 1. So we add a 1 into both sides. But that -1 out front there on the left is a multiplier, so what we actually added in was -1(1) which is -1:

-1(x^2-2x+1)=-1-1

On the left side we have a perfect square binomial, which is why we do this, and on the right side we have -2:

-1(x-1)^2=-2 and we can move that constant back over and set the quadratic back equal to y:

y=-1(x-1)^2+2  which gives us a max height of 2.

(If this was modeling parabolic motion, we would know that the time it takes to get to that max height is 1 second. The vertex of this parabola is (1, 2))

4 0
4 years ago
Analyze the reflectional symmetry of the letters.
Arada [10]

Answer:

I think the answer is D but im not sure

Step-by-step explanation:

Its a or d i think

5 0
3 years ago
Read 2 more answers
If a fraction is less than what do u know about its reciprocal?
Inga [223]
The reciprocal is the fraction flipped so I guess its less than if the fraction is less than
7 0
3 years ago
Katherine and Crystal do landscaping. They recently earned $1472 for a project. If Katherine earned $5 for every $3 earned by Cr
Degger [83]

Answer:

Katherine: 920

Crystal: 552

Step-by-step explanation:

The total amount earned by each is 1472

The ratio of the earnings is Katherine / Crustal = 5/3

The total number of shares = 5 + 3 = 8

So the proportion for Katherine

5/8 = x / 1472                Cross multiply

8x = 5 * 1472

8x = 7360

x = 7360/8

x = 920

And the proportion for Crystal is

3/8 = x / 1472                 Cross multiply

8x = 3 * 1472

8x = 4416

x = 4416 / 8

x =  552

4 0
3 years ago
I will mark you brainliest!
s344n2d4d5 [400]

Answer:

Rate = 10%

Step-by-step explanation:

We are given with the following details.

Interest earned = $ 116.25

Principal = $ 1550

Interest Rate = r (say)

Time = 9 months

         = \frac{9}{12} years

We are asked to determine the rate of interest for which we can earn 116.25 interest. As we are not specifically given whether it is a compound or simple interest , we assume it to be simple interest and solve .

The formula for simple interest is given as

Interest = Principal \times Rate \times time

116.25=1550 \times r \times \frac{9}{12}

r= \frac{116.25 \times 12}{1550 \times 9}

r=0.1

Hence the r = 0.1

Hence the rate of interest is 10%

3 0
3 years ago
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