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Kisachek [45]
3 years ago
13

Help me plz Plz help please

Mathematics
2 answers:
AysviL [449]3 years ago
6 0
You can try to use the internet for the answer to some of those questions.
Flura [38]3 years ago
5 0
1) 25cm2 = 150cm2 (not sure, sorry)
2) 3 • x = 1.8
x = 0.6
(I replaced the gap with the letter x)
3) 1 + 2 + 3 + 4 = 3 + 7 = 10
4) -5 + - 7 + 10 + 10 = -12 + 20 = 8
5) -3 (4 + a) = -12 - 3a
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Pls help question is in the picture
Tju [1.3M]

Answer:

x = 5

Step-by-step explanation:

Sum up all the angles in a triangle is 180 degree, so 4x + 135 + 25 = 180, solve for x get x = 5

3 0
3 years ago
If the perimeter of a square is 96 inches, what is its area
KonstantinChe [14]
576 sq. inches
divide 96 by 4 to get the length of each side then multiply that answer by itself 


4 0
4 years ago
Help! I asked one of the brainly tutors and they got it wrong! Please help!
sladkih [1.3K]

Step-by-step explanation:

12x-15-4x+1=-6

12x-4x= -6+15-1

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my answer is 100 % correct

5 0
3 years ago
A car used 16 gallons of gasoline and traveled a total distance of 460 miles. The car's fuel efficiency is 30 miles per gallon o
AURORKA [14]

Answer:

12 gallons

Step-by-step explanation:

Total gallons = 16 gallons

Total distance = 460 miles

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h = gallons of gasoline were used on the highway.

460 = 30h + 25(16 - h)

460 = 30h + 400 - 25h

460 - 400 = 30h - 25h

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h = 60/5

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7 0
3 years ago
What is the fraction -176/125 simplified
Mazyrski [523]

Answer:

176 /125 is already in the simplest form. It can be written as 1.408 in decimal form (rounded to 6 decimal places).

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3 years ago
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