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zavuch27 [327]
2 years ago
12

Help plssss !!!!!!!!!!

Mathematics
1 answer:
spayn [35]2 years ago
8 0

Answer: x=5

Step-by-step explanation:

ABC=ABD+CBD

ABD=CBD         ==> Because they're formed from a bisecting line, meaning the angle ABC is divided into two equal angles.

5x-10=2x+5

3x-10=5

3x=15

x=5

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(10)(11)<br><br> Geometry<br><br> Check Ans<br><br> 10) 5<br> 11) x = 33 y = 38 z = 109
ICE Princess25 [194]
Problem 10

You are correct. You divide 360 over the exterior angle measure to get 360/72 = 5

=========================================================

Problem 11

x = 33 is correct as this angle is an alternate interior angle pair with the 33 degree angle up top

y = 38 is correct since y+33+109 = 180 solves to y = 38. In other words: 38+33+109 = 180

z = 109 is correct. The opposite angles of a parallelogram are congruent

7 0
3 years ago
*PLEASEEEEEE HELP* 12 in Area = ****ANSWER WITH JUST THE NUMBER/ DON'T INCLUDE "pi" or the "square inches" ​
Blababa [14]

Answer:

whats the question?

Step-by-step explanation:

7 0
3 years ago
A cube made of an unknown material has a height of 9 cm. The mass of this cube is 3.645 grams. What is the density of this cube?
ehidna [41]

Answer:

density =  \frac{mass}{volume}

mass = 3.645 g

volume = 9×9×9

= 729 cm³

density = 3.645/729

= 0.005 gcm^-3

Step-by-step explanation:

the volume is 729 cm³ cause the given height is 9cm and it is a cube. cube has equal sides so their lengths are the same.

volume = length × height × width

8 0
3 years ago
The amount $180.00 is what percent greater than $135.00? A. 35% B. 133.33% C. 33.33% D. 25% Mark for review (Will be highlighted
Ivahew [28]
D.) 25% is the answer
8 0
3 years ago
Solve for b.<br> r=9(b+1)
telo118 [61]

Answer:

b=r-9/9

Step-by-step explanation:

First you do the distributive property...

r=9b+9

then you subtract the 9

r-9=9b

then you divide the 9

r-9/9=b

and because of the symetry property you can flip it...

b=r-9/9

4 0
3 years ago
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