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Dennis_Churaev [7]
3 years ago
14

Please find the answer my math teacher doesn’t know how to explain!

Mathematics
1 answer:
const2013 [10]3 years ago
8 0

Answer:

68.8

Step-by-step explanation:

(a+b)h/2

12.9+8.6 *6.4/2

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Twelve less than a number is 50.
Katen [24]

Answer:

62

Step-by-step explanation:

another way to write this is

x - 12 = 50

the answer is 62

62 - 12 = 50

7 0
3 years ago
What is 0.550 in fraction form simplest form +fraction​
Kipish [7]

Answer:

550/ 1000

Step-by-step explanation:

1/ 0.550.

0.550 x 1000  and 1 x 1000

=  

550/ 1000

<em>-kiniwih426</em>

7 0
3 years ago
How can I solve (b)?
dsp73
90/3 parts of silver = 30 times multiplied by
tin = 12 × 30 = 360g
lead = 8 × 30 = 240g

12.5 / 23 = 0.5434 parts per metal

tin = 12 × 0.5434 = 6.5kg
lead = 8 × 0.5434 = 4.5kg
silver = 3 × 0.5434 = 1.5kg
5 0
3 years ago
Which expression is equivalent to (4 + 7i)(3 + 4i)?
ANTONII [103]

Answer:

the answer is -16+37i

Step-by-step explanation:

4 0
3 years ago
Help me pls with my mathh
rjkz [21]
Sure let’s see.... I believe it is D, but I’m not 100%. Don’t give low ratings. I tried.
7 0
3 years ago
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