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4 years ago

11

❤️❤️not sure please help❤️❤️

1 answer:

Tanya [424]4 years ago

8 0

For similar rectangles ratios of their corresponding sides should be equal.

20/3 = 45/9
6 2/3 = 5 False.
So, this rectangles are not similar.
So, the answer is False.

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The"B" isn't part of it, but how do I find x?

mr Goodwill [35]

The 2 angles form a linear pair and angles that form a linear pair have a sum of 180 so

10x + 15 + 5x = 180
15 + 15x = 180
180 - 15 = 15x
165 = 15x
11 = x

4 0

4 years ago

What is 18cm in a scale 1:50?<br>

Pachacha [2.7K]

Answer:

900 cm

Step-by-step explanation:

Proportions

1cm ⇒ 50cm

18cm ⇒ Wcm

W = 18*50/1

W = 900cm

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3 years ago

Really need help with 11 and 12 just started learning this today and I don't quite understand it would really appreciate it

sineoko [7]

11.

Given:

$y=x^2$

Differentiate with respect to x, we get

$\frac{dy}{dx}=2x$

The given point is (3,9)

Substitute x=3 in the derivative, we get

$\frac{dy}{dx}=2\times\times3=6$

Hence the slope is 3.

12.

Given:

$y=x^2+4$

Differentiate with respect to x, we get

$\frac{dy}{dx}=2x+0$

The given point is (0,4)

Substitute x=0 in the derivative, we get

$\frac{dy}{dx}=2(0)+0=0$

Hence the slope is 0.

4 0

1 year ago

cestrela7 [59]

The 3 inside angles of a triangle need to add up to 180 degrees.

You have two angles of 104 and 36.

A = 180 - 104 - 36 - 40

The answer is 40

4 0

4 years ago

Read 2 more answers

What is the depth on the Indian Ocean rounded to the nearest thousand 12,598

hjlf

12598 rounded to 10k = 10000

7 0

3 years ago