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MariettaO [177]
2 years ago
12

50 points please answer

Mathematics
1 answer:
inn [45]2 years ago
6 0

Answer:

D. 30 kilometers

Step-by-step explanation:

Add all the given distances relative to the map together:

6.5 + 9.5 + 4 = 20

Multiply that by the scale to convert centimeters to kilometers:

20 x 1.5 = <u>30</u>

Your answer is 30 kilometers.

You also could have gotten the same answer by multiplying each number by the scale and then adding those together but that is slightly more work so the way I showed is more convenient.

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D
tamaranim1 [39]

Step-by-step explanation:

you must have left out important pieces of the equation.

what I can see and therefore solve is

-G + 2 = -12

-G = -14

G = 14

7 0
2 years ago
If x^2 + xy = 20 and dx/dt = -4 when x = -5 and y = 1, what is dy/dt
SpyIntel [72]

Answer:

3.2

Step-by-step explanation:

x² + xy = 20

Take the derivative with respect to time:

2x dx/dt + x dy/dt + y dx/dt = 20

(2x + y) dx/dt + x dy/dt = 20

Given x = -5, y = 1, and dx/dt = -4:

(2(-5) + 1) (-4) + (-5) dy/dt = 20

(-10 + 1) (-4) − 5 dy/dt = 20

36 − 5 dy/dt = 20

5 dy/dt = 16

dy/dt = 3.2

7 0
3 years ago
Evaluate 7 sigma n=1 2(-2)^n-1
oksian1 [2.3K]
\[\sum_{n=1}^{7} 2(-2)^{n-1}\]
5 0
3 years ago
Read 2 more answers
if your front yard is 65ft by 45ft and your backyard is 35ft by 45ft. how much fencing should you buy
sveta [45]
If 45' is the width of the house, then the front yard would have 65+45+65 feet = 175 feet, and the back yard would have 35 + 45 + 35 = 115 feet.
the total would be 290 feet.


3 0
3 years ago
What is the value of X in the equation X + 7= 19
Paraphin [41]

Answer:

X is =12

Step-by-step explanation:

8 0
3 years ago
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