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avanturin [10]
3 years ago
9

HELPPP!!! WILLBEMARKEDBRAINLIEST 30 POINTSS

Mathematics
1 answer:
Mars2501 [29]3 years ago
5 0

Answer:

Step-by-step explanation:

Base + 4 triangles

(18.4)(27.6) + 2(½×27.7×17.6) + 2(½×18.4×20.4)

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What is the volume of a tank that can hold 18 754 Kg of methanol whose density is 0.788g/cm3
Alenkasestr [34]
Density = Mass / Volume
(0.788) = (18.754) / V
0.788V = 18.754
V = (18.754) / (0.788)
V = 23.799
6 0
3 years ago
Please help (CORRECT ANSWERS ONLY)
german

-2(8m+8) = -16

-16m - 16 = -16

His first mistake lies in his distribution. When multiplying -2 * 8, he made it a positive 16, when he should have made it a negative 16.

-16m - 16 = -16

Add 16 to each side.

-16m = 0

Divide that by -16

m = 0

7 0
3 years ago
A house and a lot cost more than $89,000. The house cost $1000 more than seven times the cost of the lot. How much does the lot
tatyana61 [14]
7x+1000+x=89000

7x+x+1000-1000=89000-1000
8x=88000

8x/8=88000/8
x=$11000
4 0
3 years ago
On Tuesday at 8:00am the temperature was 38 degrees. By 2:30pm, the temperature had fallen to (-12). What was the total drop in
steposvetlana [31]

Answer:

26 degrees

Step-by-step explanation:

so you do 8:00 - 2:30 which is 5:70. then you subtract 12 from 38 to get 26. The total drop was 26 degrees!

pls mark me as brainliest hope this helps!

6 0
3 years ago
Solve the absolute value equation |x| − 2 = 5 to find the distance Mary can walk forward, x, in 5 seconds.
Alisiya [41]

Answer:

x = 7 m and x = −7 m

Step-by-step explanation:

Its a modulus problem

concept

|x|  = x when x>=0

|x| = -x when x < 0

____________________________________

Now given

|x| − 2 = 5

adding 2 both sides

|x| − 2  + 2 = 5 + 2

|x|  = 7

now

x = 7  when x >= 0

x = -7 when x<0

Thus, correct answer is x = 7 m and x = −7 m

7 0
3 years ago
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