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Jlenok [28]
3 years ago
15

Need help really hard for mev​

Mathematics
1 answer:
kakasveta [241]3 years ago
6 0

Answer:

B  . 7 1/2

Step-by-step explanation:

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4 + 6j + 5j - 5j.
ASHA 777 [7]

Answer:

j=4/6

Step-by-step explanation:

use sadmep to simplify the equation

6 0
3 years ago
Andre tried to solve the equation 1/4(x + 12) = 2. What was his mistake? *
Umnica [9.8K]

Answer:

x=-4

Step-by-step explanation:

x+12=8    

x=8-12

Andre did not multiple both by four to get the exact whole number. He also, didnt subtract 12 which is not possible due to it being multiplied by 1/4.

5 0
3 years ago
Two airplanes leave an airport at the same time and travel in opposite directions. One plane travels 60km\h slower than the othe
DanielleElmas [232]

Answer:

4 V + 4 (V - 60) = D    where D is distance apart after 4 hrs

8 V - 240 = 7304

V = 943 km/hr

and V2 = 943 - 60 = 883 km/hr       where second plane is 60 km/hr slower

6 0
2 years ago
Find the surface area and volume of the cone .
liraira [26]

Answer:

Surface area of a cone = πrs + πr2

Volume of a cone = 1/3πr2h.

The slant of a right circle cone can be figured out using the Pythagorean Theorem if you have the height and the radius.

Answers for volume problems should always be in cubic units.

Step-by-step explanation:

5 0
3 years ago
The perimeter of a rectangular garden is
olganol [36]
Perimeter = 2 ( width + length)
294 = 2 (56 + length)
294/2 = 56 + length
147 = 56 + length
147 - 56 = length
91 = length

so the length is 91 feet
6 0
3 years ago
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