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Zarrin [17]
2 years ago
6

I NEED HELP URGENTLY

Mathematics
1 answer:
tigry1 [53]2 years ago
5 0

Answer:

30 square millimeters

Step-by-step explanation:

3 x 3 = 9

3 x 1 = 3

there are two sides with the area 9 therefore...

9 x 2 = 18

There are four sides with the area 3 therefore...

3 x 4 = 12

Therefore the suface area is

12 + 18 = 30

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Evaluate the expression 15x + 4 for x = -1 1/2​
olga_2 [115]

Answer:

18.5

Step-by-step explanation:

First we plug in the number

-1 1/2 is the same as -1.5

Plugging this in we will have:

15(-1.5) + 4 =

-22.5 + 4 =

-18.5

5 0
2 years ago
At a local dealership 30% of cars are SUVs, 50% of the cars are painted white, and 15% are white and an SUV. If we randomly sele
alex41 [277]

Answer:

1/8, 0.0625 , or 6.25%

Step-by-step explanation:

50% of the cars are painted white.

1/2 * 1/2 = 1/4 * 1/4 = 1/8

Probability of A occuring 4 time(s) = 0.54 = 0.0625

Probability of A NOT occuring = (1 - 0.5)4 = 0.0625

Probability of A occuring = 1 - (1 - 0.5)4 = 0.9375

6 0
3 years ago
 Neda sells televisions. She earns a fixed amount for each television and an additional $ 15 if the buyer gets an extended warra
Alex Ar [27]

Answer:

$50

Step-by-step explanation:

15x18=270

1170-270=900

900/18=50

7 0
3 years ago
Solve for b......<br> 15b=5
Elis [28]
The answer is b=3. divide 5 into 15                    

8 0
3 years ago
Read 2 more answers
Find the value of n in 2m-3n = 6 and 2m + 6n = 12.​
Nezavi [6.7K]

Answer:

n = 2/3

Step-by-step explanation:

2m - 3n = 6

– 2m + 6n = 12

<u>____-____-___</u>

-9n = -6

n = -6/-9

n = 2/3

Hence, the value of n in the given equations is 2/3.

4 0
2 years ago
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