3 years ago

Which transformation of a scalene triangle produces an image that is similar, but not congruent, to the original

Mathematics

2 answers:

Firlakuza [10]3 years ago

7 0

i believe the answer is B

denpristay [2]3 years ago

5 0

Answer:

C: A dilation of magnitude 2 centered at the origin.

(for anyone in the future, this is correct!)

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Find the inverse function of f(x)= <img src="https://tex.z-dn.net/?f=%20%5Csqrt%7Bx%2B4%7D%20%2B7" id="TexFormula1" title=" \sqr

natita [175]

$f(x)=\sqrt{x+4}+7\\
y=\sqrt{x+4}+7\\
y-7=\sqrt{x+4}\\
(y-7)^2=x+4\\
x=(y-7)^2-4\\
f^{-1}(x)=(x-7)^2-4\ \text{ for } x\geq4$

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3 years ago

ABC bookstore sells one customer 12 used books and 4 new books for $120.

Ede4ka [16]

Answer:

One used book cost 5$ and a new book cost 15$

Step-by-step explanation:

$\left \{ {{12u + 4n = 120} \atop {14u + 2n = 100}} \right. \\$

lets multiply the second equation ×(-2)

× $\left \{ {{12u + 4n = 120} \atop {(-2)*(14u + 2n = 100)}} \right. \\\\\left \{ {{12u + 4n = 120} \atop {-28u - 4n = -200}} \right. \\\\\\\left \ {{-16u + 0n = -80} \\,\\\left \ {{16u = 80}\\,\left \ {{u = 5} \\\\$

if u = 5 then from equation 1

12*u + 4n = 120, 60 +4n = 120, 4n=120-60, n=60/4, n=15

7 0

3 years ago

Read 2 more answers

Algebra solving 3v-9=7+2v-v

mezya [45]

Answer:

Step-by-step explanation:

3v-9=7+2v-v

3v-9=7+v

3v-v-9=7

2v-9=7

2v=7+9

2v=16

v=16/2

v=8

5 0

3 years ago

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I’m so confused. Can someone please help?

matrenka [14]

i can't help you really, but i use google so yeah

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3 years ago

Work out 6z - 4z .what is the answer?

Reika [66]

Answer:

4 is the answer

Step-by-step explanation:

you can - or + the equation only then when the letter is same z and z both are same so you can - them and get the answer.

4 0

2 years ago