All categories

3 years ago

HELPPP ITS ABOUt DILATION EXPLANATION NEEDED PLZZZ

Mathematics

1 answer:

Lubov Fominskaja [6]3 years ago

7 0

Answer:

It is clear from the co-ordinates of the square that CD is parallel to X axis and BC is parallel to y-axis. So,X=8,y=7

so the co-ordinates of B=(8,7)

Now after dilation of factor 2, all coordinates will be multiplied by 2.

So B'=(16,14)

hope it helps

You might be interested in

Does this graph represent a function?? NEED ASAP PLEASEEE

Goshia [24]

Yes it’s a function and for every hour the fee will go up .50

7 0

3 years ago

Use the Law of Cosines to find the missing angle. In triangle JKL, j=3in., k=4in., and l=2.89., find mJ

slega [8]

Using the law of cosine for Triangle KJL, we can write:

$j^{2} = k^{2} + l^{2}-2(k)(l)cos(J) \\ \\ 
2(k)(l)cos(J)=k^{2} + l^{2}- j^{2} \\ \\ 
cos(J)= \frac{k^{2} + l^{2}- j^{2}}{2(k)(l)}$

Using the values of k,j and l, we can write:

$cos(J)= \frac{ 4^{2} + (2.89)^{2} - 3^{2} }{2(4)(2.89)} \\ \\ 
cos(J)= 0.664 \\ \\ 
J= cos^{-1}(0.664) \\ \\ 
J=48.39$

Rounding to nearest integer, the measure of angle J will be 48 degrees.
So option B gives the correct answer

8 0

3 years ago

Read 2 more answers

HELP PLEASE!!!!!!!!

MaRussiya [10]

The answer is C! I hope this helps

3 0

3 years ago

Read 2 more answers

How would you solve this?

Scrat [10]

Answer:

the answer of the perimeter is B

3 0

2 years ago

Y=2x+10 y=x+1 solve using substitution

Anvisha [2.4K]

Answer:

x = -9

y = -8

Step-by-step explanation:

here's the solution :-

=》y = 2x + 10

=》y = x + 1

plunging the value of y from equation 1 into equation 2

=》2x + 10 = x + 1

=》2x - x = 1 - 10

=》x = -9

value of x = -9

now, plugging the value of x in equation 2, we get :-

=》y = x + 1

=》y = -9 + 1

=》y = -8

6 0

2 years ago