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Dmitry_Shevchenko [17]
3 years ago
11

Please help me, i’m struggling so bad, il mark you brainliest if you give me the answer

Mathematics
2 answers:
Jet001 [13]3 years ago
7 0

Answer:

210 squared inches, I think

Step-by-step explanation:

21 x 15 = 315 (area of original map)

315 x 2/3 = 210

OverLord2011 [107]3 years ago
5 0
You are correct I just did the mathematical
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Find the slope of a line perpendicular to 3x + 5y = 15.
Zielflug [23.3K]

Answer:

B)5/3

Step-by-step explanation:

"3x + 5y = 15."

Rewrite in slope-intercept form.

The slope-intercept form is  

y=mx+b

where  m is the slope and  b  is the y-intercept.

y=mx+b

Subtract  3x  from both sides of the equation.

5y=15−3x

Divide each term by  "5"  and simplify.

5y/5=15/5−3x/5

"5" and "5" cancel each other out

Divide  15  by  5

y=3-3x/5

Reorder  3  and  −3x/5

y=-3x/5+3

Rewrite in slope-intercept form.

y=−3/5x+3

Slope:-3/5

The equation of a perpendicular line to  y=−3x/5+3  must have a slope that is the negative reciprocal of the original slope.

<em>m</em>perpendicular=−1/(−3/5)

Simplify the result.

mperpendicular=5/3

hope this helps!

8 0
3 years ago
HI. I really Need help. I will Mark Brainliest!
Reptile [31]

Answer:

the first 1 and the last 1 i think

Step-by-step explanation:

4 0
3 years ago
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Biking at 12 mph, it takes Kristen hour to reach the train station to go to work. Kristen then takes the train to work, and it t
LenKa [72]

Answer:

d = 19 mi

Step-by-step explanation:

Total dist = bike dist + train dist

d = 12(.5) + 20(.5)

d = 6 + 13

d = 19 mi

4 0
3 years ago
The perimeter of a square is 192 centimeters. If the square is dilated by a scale factor of 0.25, what is the length of each sid
Ulleksa [173]

Answer:

60cm

Step-by-step explanation:

perimeter of a square=4L

192cm=4L

L=48cm

Dilated by ratio 0.25

1 : 0.25 = 48 : 12

New length = 48+12 = 60cm.

6 0
2 years ago
How do you use math every day?
puteri [66]

Answer:

Figuring out distance, time and cost for travel

shopping for the best price

Step-by-step explanation:

7 0
3 years ago
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