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3 years ago

BRAINLIEST PLUS 100 POINTS

Mathematics

2 answers:

umka2103 [35]3 years ago

4 0

See the attached picture:

zheka24 [161]3 years ago

3 0

Answer:

Your going great

Step-by-step explanation:

Would help but i use Pythagorean for shapes??

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quadrilateral ABCD is dilated by a scale factor of 2 centered around (2,2). Which statement is true about the dilation?

Setler [38]

Answer:

The vertices of the image will have the coordinates

A(-5, 1) → A'(2x-2, 2y-2) → A'(-12, 0)

B(-4, 3) → B'(2x-2, 2y-2) → B'(-10, 4)

C(1, 2) → C'(2x-2, 2y-2) → C'(0, 2)

D(-3, 0) → D'(2x-2, 2y-2) → D'(-8, -2)

Step-by-step explanation:

<em>Note: You missed to mention the vertices of a quadrilateral ABCD. So, I am assuming the following vertices. It would anyways clear your concept.</em>

<em />

Let us suppose

A(-5, 1)

B(-4, 3)

C(1, 2)

D(-3, 0)

We know that the rule of the dilation with the center of dilation at (2,2) by a scale factor of 2 is:

(x, y) → (2x-2, 2y-2)

Therefore, the vertices of the image will have the coordinates

A(-5, 1) → A'(2x-2, 2y-2) → A'(-12, 0)

B(-4, 3) → B'(2x-2, 2y-2) → B'(-10, 4)

C(1, 2) → C'(2x-2, 2y-2) → C'(0, 2)

D(-3, 0) → D'(2x-2, 2y-2) → D'(-8, -2)

6 0

3 years ago

I need help on number 12, 8th grade math The answer is A, I just don't know how to solve it? Someone come through and help ya gi

snow_tiger [21]

Your answer is A. 38.42

4 0

3 years ago

What is the slant height for given pyramid to the nearest to the whole unit?

koban [17]

Answer:

B 5 cm

Step-by-step explanation:

The bottom leg of the shaded triangle is 1/2 of the length of the side, so is 3 cm. The vertical leg of the shaded triangle is the height of the pyramid, given as 4 cm.

The slant height is the hypotenuse of the shaded triangle, so can be found from your knowledge of the 3-4-5 triangle, or from the Pythagorean theorem.

If s is the slant height, then ...

s^2 = 3^2 + 4^2 = 9 +16 = 25

s = √25 = 5

The slant height is 5 cm.

6 0

3 years ago

Read 2 more answers

Lindy works at a pizza restaurant and gets a 10% employee discount. She knows that if she orders d drinks and a medium pizza wit

timofeeve [1]

Answer:

$17.28.

Step-by-step explanation:

In the expression, d represents the number of drinks she orders and t represents the number of toppings.

In this case, she orders 4 drinks and 3 toppings, so d = 4 and t = 3.

0.90(2.25d + 1.40t + 6)

= 0.9(2.25 * 4 + 1.4 * 3 + 6)

= 0.9(9 + 4.2 + 6)

= 0.9 * 19.2

= 17.28

So, the total cost for Lindy and her friends will be $17.28.

Hope this helps!

8 0

4 years ago

PLEASE HELP, WILL GIVE LOTS OF POINTS & BRAINLY<br> solve the 2 questions!

Thepotemich [5.8K]

Answer:

5) we get a=6

6) we get c=8

Step-by-step explanation:

The triangles given are similar.

When the triangles are similar, the ratio of corresponding sides are also similar.

5) If c = 12, find a

We will use the ratio

$\frac{30}{12}=\frac{15}{a}$

Now cross multiply to find value of a

$30*a=12*15\\a=\frac{180}{30}\\a=6\\$

So, we get a=6

6. If b = 6.4, find c

We will use the ratio

$\frac{30}{c}=\frac{24}{6.4}$

Now cross multiply to find value of b

$30*6.4=24*c\\c=\frac{192}{24}\\c=8\\$

So, we get c=8

4 0

3 years ago