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Vadim26 [7]
3 years ago
10

18(5−3w) = can someone help me pls

Mathematics
1 answer:
nika2105 [10]3 years ago
3 0

Answer:

90-54w

Step-by-step explanation:

use the distributive property

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5y+25= -13 help me out please i need help and can you show me how you got the answer
Thepotemich [5.8K]

Answer:

=−38/5

Step-by-step explanation:

Subtract 25 from both sides of the equation

5+25−25=−13−25

5=−13−25

5=−38

Divide both sides of the equation by the same term

5/5 =−38/5

which equal to =−38/5

3 0
2 years ago
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"Two complementary angles are not congruent."
jenyasd209 [6]

Answer:

40 and 50,20 and 70

Step-by-step explanation:

complementary angles are angles that  added equal to an angle of 90 degrees and it says they are not congruent so the two angles are diferent

8 0
3 years ago
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The lower supports are and the area of the two supports is square meters. The upper arch can be decomposed as one semicircle wit
Galina-37 [17]

Answer:

 The lower supports are <u>Congruent Rectangles</u> and the area of the two supports is<u> 24 square meters.</u>

The upper arch can be decomposed as one semicircle with radius<u> 6 </u>meters minus a semicircle with radius 3 meters.

The area of the archway is <u>(13.5 π</u> + 24) square meters.

Step-by-step explanation:

See attachment for the firgure,

In order to determine the area of archway = The area of upper support + area of lower support.

As given, the lower support are two congruent rectangles consists of dimension 3 m × 4 m

Therefore, the area of lower support can be written as,

The area of lower support = 3 × 4 + 3 × 4 = 12 + 12 = 24 square m.

Now, the upper support arch can be decomposed as the two concentric semi circles having radius 3 m and 6 m,

Hence, the area of the upper support = Area of semi circle having radius i.e 6 m - Area of semi circle having radius i.e 3 m

=> π6²/2 - π3²/2= 27π/2= 13.5π square m

Therefore, the area of the archway =  (13.5 π + 24) square meters

4 0
3 years ago
The side of a cube is 9 cm long.What is the cube's surface area? ____ cm2A) 27B) 729 C) 486What is the cube's volume?Lol 729 ___
DedPeter [7]

Answer:C, B

Step-by-step explanation:

3 0
3 years ago
A. 8a - 2b + 12a - 2a -4b
kompoz [17]

Answer:

(8a+12a-2a)-(2b-4b)

18a-(-2b)

18(4)-   -2(-2)

72-4

=68

Step-by-step explanation:

h ttps:/ / pad let. com/du stinnich olson/C arl  

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