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dezoksy [38]
3 years ago
15

Help I will mark your as brainliest or what ever and 10 points

Mathematics
1 answer:
const2013 [10]3 years ago
7 0
Question 20

Total Surface Area = (4 x 8) + (5 x 8) + (8 x 3) +  2(1/2 x 4 x 3)
Total Surface Area = 108 cm²

Question 21

Total Surface Area = 2 (π x 4²) + (π x (4x2) x 20 ) 
Total Surface Area = 603 cm² (Nearest whole number)

Question 22

Total Surface Area = (20 x 5) + (12 x 20) + (20 x 13) + 2 ( 1/2 x 12 x 5)
Total Surface Area = 660 In²

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A triangle can be formed with side lengths 3 in, 5 in, and 9 in. True or False?
Lelechka [254]

Answer:

no this cant form a right triangle but can form a regular triangle

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Think about the units that were used in this lesson. What other objects are commonly measured in kilograms,grams, miles, feet, a
iren [92.7K]

Answer:

What Is Mass? Mass is a constant unit of the amount of matter an object possesses. It stays the same no matter where the measurement is taken. The most common units for mass are the kilogram and gram.

Step-by-step explanation:

6 0
2 years ago
What is the answer of 3[4(2³)-5²+7(8+4²)-16]?
Montano1993 [528]

<span>3[4(23)-52+7(8+42)-16]</span>

<span>3 x (4 x 8 - 52 + 7 x (8 + 42) - 16)</span>

<span>3 x (32 - 52 + 7 x (8 + 42) - 16)</span>

<span>3 x (16 – 52 + 7 x (8 + 42))</span>

<span>3 x (16 - 25 + 7 x (8 + 42))</span>

<span>3 x (-9 + 7 x (8 + 42))</span>

3 x (-9 +7 x (8 + 16))

3 x (-9 + 7 x 24)

3 x (-9 + 168)

3 x 159

477


8 0
3 years ago
Two trucks started toward each other at the same time from towns 500 km apart. One truck traveled at a rate of 65 km per hour wh
ale4655 [162]
They met after (4 hours).
(60+65)*x=500<span />
5 0
3 years ago
Please help me with this question
morpeh [17]

Answer:

19 and 26

Step-by-step explanation:

The other 2 cant work because that would make the total Degrees inside the triangle more than 180 (this is impossible)

7 0
3 years ago
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