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s2008m [1.1K]
3 years ago
5

The two triangles in the sketch below are congruent. Which sequence could transform triangle ABC to triangle DEF? A translation

7 units down followed by a rotation 180° clockwise about the origin A translation 7 units left followed by a rotation 90° clockwise about the origin A translation 7 units right followed by a rotation 180° clockwise about the origin A translation 7 units left followed by a rotation 180° clockwise about the origin

Mathematics
2 answers:
Volgvan3 years ago
8 0

Answer:

Its A

Step-by-step explanation:

postnew [5]3 years ago
3 0

Answer:

The answer is C

Step-by-step explanation:

It obviously can’t be 90° so you can cross B out.

And when you rotate 180° you change both of the signs so since A for example is like this (x,-y) it would be (-x,y)

Then it ends up to the left of where it needs to be so you have to move to the right.

Hope it all made sense! (:

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charle [14.2K]

Answer:

y=\frac{11}{20}x+6

Step-by-step explanation:

Given:

Two points are given

x = number of minutes

y = length of the lin

(x_{1},y_{1} ) ⇒ (0, 6)

(x_{2},y_{2} ) ⇒ (20, 17)

We need to find the equation that represents the relationship between x, y.

Solution:

Using slope formula to find the slope of the equation of the line.

m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

Substitute (x_{1},y_{1} ) = (0, 6) and (x_{2},y_{2} ) = (20, 17) in above equation.

m=\frac{17-6}{20-0}\\m=\frac{11}{20}

So, slope of the line m = \frac{11}{20}

Using point slope formula.

(y-y_{1})=m(x-x_{1}) ------------(1)

Where, m = slope of the line

Substitute (x_{1},y_{1} ) ⇒ (0, 6) and m = \frac{11}{20} in equation 1.

(y-6)=\frac{11}{20} (x-0)

y-6=\frac{11}{20}x

Add 6 both side of the equation.

y-6+6=\frac{11}{20}x+6

y=\frac{11}{20}x+6

Therefore, the equation that represents the relationship between x and y is written as:

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RUDIKE [14]

Answer:

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make n the subject

<u>m</u><u> </u><u>-</u><u>2</u><u>0</u><u> </u><u> </u> =n

4.

inverse function of c(n)= <u>n-20</u><u> </u>

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It is a must that one replaces the m with the n in order to get the final answer

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Answer:

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Step-by-step explanation:

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