2 years ago

These two figures are the image and pre-image of a

Mathematics

2 answers:

ikadub [295]2 years ago

8 0

The first shape is 60
The second shape is 15

Nadusha1986 [10]2 years ago

5 0

Answer:

Thx luv!!!!!!!!

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Find the solution of 3 times the square root of the quantity of x plus 6 equals negative 12, and determine if it is an extraneou

Anna35 [415]

For this case we have the following equation:
$3 \sqrt{x+6}=-12$
Rewriting we have:
$\sqrt{x+6}= \frac{-12}{3}$
$\sqrt{x+6}=-4$
We raise both members of the equation to the square:
$(\sqrt{x+6})^2=(-4)^2$
Rewriting we have:
$x+6=16$
$x=16-6$
$x=10$
It's a extraneous solution because equality is not met by substituting x = 10 in the original equation:
$3 \sqrt{10+6}=-12$
$3 \sqrt{16}=-12$
$3(4)=-12$
$12=-12$
Answer:
The solution is:
$x=10$
It's a extraneous solution

6 0

3 years ago

Which of the following equations represents the graph shown?

Sonja [21]

Answer:

It's the first one. -x+2

Step-by-step explanation:

The slope is negative and the line intersects the y-intercept at positive 2.

5 0

3 years ago

Read 2 more answers

Mal is putting money into a savings account. She starts with $350 in the savings account, and each week she adds $30.