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Wewaii [24]
3 years ago
15

1) 2a + a + 3b

Mathematics
1 answer:
ivolga24 [154]3 years ago
5 0

Answer:

1) 3a + 3b

2) 3a + 4b

3) 5a +3c

4) 3a + 3b

5) 7a + 2b

6) 4a + 4c

7) 7c +4d

8) 2a + 6b

Step-by-step explanation:

1) 2a + a + 3b  = 3a + 3b

2) 2a + 2b + a + 2b  = 3a + 4b

3) 3a + 2c + 2a + c  = 5a +3c

4) a + 2b + 2a + b  = 3a + 3b

5) 4a + b + 3a + b  = 7a + 2b

6) 3a + 2c + 2c + a  = 4a + 4c

7) 3d + 2c + d + 5c  = 7c +4d

8) a + 2b + a + 3b + b = 2a + 6b

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In a right triangle, one of the exterior angles measures 155°. What is the measure of the non-adjacent, non-right angle?
tangare [24]
180 - 155 = 25
90 - 25 = 65
<span>B: 65 </span>°
3 0
3 years ago
A circus tent is cylindrical upto a height of 3.3 m and conical above it if the diameter of the base is 100m and slant height of
Rina8888 [55]

Total cost of canvas required in making the tent is rupees 79128

<em><u>Solution: </u></em>

Given:

Height of the cylindrical tent = h = 3.3 m

Diameter of it's base = d = 100m

radius = \frac{diameter}{2} = \frac{100}{2} = 50

r = 50 m

<em><u>Curved surface area of cylinder:</u></em>

C.S.A = 2 \pi rh

C.S.A = 2 \times 3.14 \times 50 \times 3.3 = 1036.2

Thus Curved surface area of cylinder = 1036.2 square meter

<em><u>Curved surface area of cone:</u></em>

C.S.A = \pi rl

C.S.A = 3.14 \times 50 \times 56.4 = 8854.8

Thus Curved surface area of cone = 8854.8 square meter

<em><u>Total curved area of tent:</u></em>

⇒ curved area of cone + curved area of cylinder

\rightarrow 8854.8 + 1036.2=9891

Thus total curved area of tent = 9891 square meter

<em><u>find total cost of canvas required in making the tent:</u></em>

The cost of canvas is 8 rupees per square meter

\rightarrow \text{total cost } = 9891 \times 8 = 79128

Thus total cost of canvas required in making the tent is rupees 79128

7 0
3 years ago
Plz help me on question 1 and show your work plz
ozzi
All the edges of a cube are the same length.

Volume = length x width x height

Volume = 9in x 9in x 9in = 729 in³
7 0
3 years ago
Read 2 more answers
Pls help i will mark brainlyest
Sergeeva-Olga [200]

Answer:

∠b=82°

Step-by-step explanation:

143°=∠c+∠b (exterior angle property)

143°=61°+∠b

∠b=143-61

∠b=82°

4 0
2 years ago
What is the slope of y= -4
swat32

Answer:

slope is 0

Step-by-step explanation:

3 0
3 years ago
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