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Basile [38]
3 years ago
7

I really need help on my engineering homework.

Mathematics
1 answer:
schepotkina [342]3 years ago
7 0
This is more like math homework
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Van Gogh’s painting Starry Night measures 92 cm long by 73 cm high. You buy two posters, each showing an enlargement of the pain
Nikitich [7]
The first poster is not an accurate representation of the painting, but the second poster is an accurate representation because the ratio between the first and original lengths did not equal the ratio between the first and original widths but the second poster's ratios were equal.

6 0
3 years ago
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Solve the equation for the given variable k/3-11=-20
taurus [48]
\frac{k}{3-11} = - 20

You can subtract the numbers in the parenthesis:
(3-11) = (-8)

Multiply the denominator to both sides so it cancels out and isolates the variable\frac{k}{-8} × -8 = - 20 × -8
-8 and -8 cancels out

k = 160

Quick check:
\frac{160}{(3-11)} = -20
\frac{160}{-8} = - 20
- 20 = - 20
Yes its right

the answer is: k =160
3 0
3 years ago
I need help ASAP tell me the answer to every line.
choli [55]
..........................

8 0
3 years ago
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A scientist wants a 64 milliliter acid solution with a concentration of 8%. She has concentrations of 2% and 10%. How much
skelet666 [1.2K]

Answer:

16 milliliters of 2% solution

48 milliliters of 10% solution

Step-by-step explanation:

x = 2% solution

y = 10% solution

System of Equations:

x + y = 64

.02x + .10y = 64(.08)

use Substitution:  y = 64 - x

.02x + .10(64 - x) = 5.12

.02x + 6.4 - .10x = 5.12

-.08x = -1.28

x = 16

y = 64 - 16 which equals 48

4 0
3 years ago
Write an equation of a line that is perpendicular to y= -3/4x=2 and passes through (-4,1)
topjm [15]

Answer: y= 4/3x + 19/3

Step-by-step explanation: See the attachment below! Sorry, my handwriting is bad on computer, I've also attached notes to this lesson for you!!!

6 0
3 years ago
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