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Yuki888 [10]
3 years ago
8

Can someone walk me through this step by step to get answer

Mathematics
1 answer:
kakasveta [241]3 years ago
3 0
Can you give me the brainliest ?
take minus 1 out
-1 (12x^2 -31x+ 20)
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A cargo truck weighs 8750 lb the weight limit for a certain bridge is 5 tons how many pounds of cargo can be added to the truck
Vaselesa [24]

Answer:

1,250 lbs

Step-by-step explanation:

There are 2,000 in 1 ton, so 5 * 2,000 = 10,000 lbs weight limit for the bridge.

10,000-8750 = 1,250 lbs can be added to the truck  before they reach the bridge weight limit.

7 0
3 years ago
Read 2 more answers
A science test is worth 100 points and has 25 questions. There are multiple choice questions worth 3 points each and short essay
Dennis_Churaev [7]

Answer:

There can be up to 12 short essay questions

8 0
3 years ago
2x+y-z=7<br> -z-2y+4z=-15<br> x+2y-5z=17
Artyom0805 [142]
Ok
2x + y - z = 7
-2y +3z = -15
x + 2y - 5z = 17
combine 2nd 3rd
x - 2z = 2
x = 2z + 2
double first statement
4x + 2y - 2z = 14
combine with second statement
4x + z = -1
substitute 2z + 2 for x
8z + 8 + z = -1
combine like terms
9z + 8 = -1
sub 8 from both sides
9z = -9
divide both sides by 9
z = -1
substitute -1 for z in second statement
-2y - 3 = -15
add 3 to both sides
-2y = -12
divide both sides by -2
y = 6
substitute -1 for z into the fifth statement
x = -2 + 2
x = 0
8 0
3 years ago
Should I do another 100 point giveaway??
liberstina [14]

Answer:

Yezz, I would like 100 points good sir

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
d = {x|x is a whole number} e = {x|x is a perfect square between 1 and 9} f = {x|x is an even number greater than or equal to 2
Vinil7 [7]
D=\{0;\ 1;\ 2;\ 3;\ 4;...\}\\E=\{4\}\\F=\{2;\ 4;\ 6;\ 8\}\\\\D\ \cap\ F=\{2;\ 4;\ 6;\ 8\}=F\to\boxed{c.}\\conclusion\ F\subset D
8 0
3 years ago
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