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8_murik_8 [283]
3 years ago
15

- 4x + 8y = 20 ----4x + 2y = -30

Mathematics
1 answer:
snow_tiger [21]3 years ago
5 0

Answer:

40

Step-by-step explanation:

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A student used his place value chart to show a number. After the teacher instructed him to divide his number by 100,the chart sh
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Answer: When you divide by 100 you are essentially moving the decimal of the number two places to the left. In undoing this you would have to move the decimal of the number two places to the right.

28.003 would then turn into 2,800.3

Step-by-step explanation:

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8 0
3 years ago
A pyramid has a regular hexagonal base with side lengths of 4 and a slant height of 6. Find the total area of the pyramid.
CaHeK987 [17]
Area of the Base = 6 * side^2 / 4 * tan (180/6)
Area of the Base = 6 * 16 / 4 * 0.57735
Area of the Base = 96 / <span> <span> <span> 2.3094 </span> </span> </span>
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<span> <span> Total Area = 41.5692387633 </span> + 72</span>
Total Area = 113<span>.5692387633</span>


6 0
3 years ago
Read 2 more answers
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lianna [129]
S = - 1
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3 0
3 years ago
What is three fourths multiplied by five?
Savatey [412]
3/4 times 5=
5 times 3=15
15/4=3 3/4
3 3/4 is answer
7 0
3 years ago
Read 2 more answers
Evaluate: a-2b/c : if a = -8, b = 6.5, and c = -2.<br><br> -1.5<br><br> 10.5<br><br> -9
Mkey [24]
The answer to ur equation is  -1.5
3 0
3 years ago
Read 2 more answers
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