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3 years ago

How does: 12 + pi - 9pi/8 Become 12 - pi/8 Thanks for your help.

Mathematics

1 answer:

bixtya [17]3 years ago

4 0

9pi/8 = 8pi/8 + pi/8 = pi + pi/8

12 + pi - 9pi/8 = 12 + pi - pi - pi/8

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In the diagram below, triangle abc ~ triangle dec . What is the value of x? A. 28 b. 24 c. 22 d. 26

Lesechka [4]

Answer:

Option A.

Step-by-step explanation:

From the figure attached,

Given : ΔABC ~ ΔDEC

By the property of similarity,

"Corresponding sides of the similar triangles are proportional"

$\frac{\text{AB}}{ED}=\frac{BC}{EC}=\frac{AC}{DC}$

Since, $\frac{\text{AB}}{ED}=\frac{AC}{DC}$

$\frac{42}{6}=\frac{x}{(32-x)}$

6x = 42(32 - x)

6x = 1344 - 42x

6x + 42x = 1344

48x = 1344

x = $\frac{1344}{48}$

x = 28 units

Therefore, Option (A). x = 28 units will be the answer.

4 0

3 years ago

What is 0.35 as a simplified fraction and why??

avanturin [10]

Answer:

7/20

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

8849.87 and 2919.07 equals in scientific notation

sweet-ann [11.9K]

8.8 *10^3 (2 sig fig)

2.9 *10^3 (2 sig fig)

5 0

3 years ago

Pretty pretty please if ur good at geometry!! Help a girl out!!

sweet-ann [11.9K]

Answer:

Yes, They are similar by SSS PMK similar to LMQ.

Step-by-step explanation:

Similar triangles corresponding side lengths are in a proportion.

KM corresponds with MQ

PM corresponds with LM.

Set up this proportion.

$\frac{km}{pm} = \frac{lm}{mq}$

$\frac{15}{28} = \frac{21}{39.2}$

Cross multiply

$588 = 588$

So the triangles ARE Similar.

PM corresponds with LM
KM corresponds with MQ
PK corresponds with LQ
So PMK is similar to LMQ

4 0

3 years ago

What is the image of the point (-6,-8)(−6,−8) after a rotation of 90^{\circ}90

mrs_skeptik [129]

Answer:

(8,-6)

Step-by-step explanation:

The rule is (x,y) becomes (-y,x). You can find all of these rules online.

7 0

2 years ago