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Leviafan [203]
3 years ago
7

What are the answers please

Mathematics
1 answer:
Viefleur [7K]3 years ago
8 0
They are already answered
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Your paint 1/3 of a wall in 1/4 hour. at this rate, how long will it take to paint one wall
Irina-Kira [14]

1/4 hour is the same as 15 minutes. If it takes 15 minutes to paint 1/3, then it would take 45 minutes to paint the whole wall.

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2 years ago
Simplify each expression -21v^6/-6v^8, v=0
EleoNora [17]

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The correct answer is,

-  \frac{7v {14}^{} }{2}

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3 years ago
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Solve for z. Please show your work. 8z = 2z + 18
Nataly_w [17]

Answer:

x = 3

Step-by-step explanation:

8z = 2x + 18

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3 years ago
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What is the value of ln e^4
sineoko [7]

Answer:

\large\boxed{\ln e^4=4}

Step-by-step explanation:

Use\\\\\log_ab^n=n\log_ab\\\\\log_aa=1\\\\\ln a=\log_e a\to\ln e=1\\====================================\\\\\ln e^4=4\ln e=4(1)=4

3 0
2 years ago
Write an equation in slope-intercept form for the line that passes through (2,-2) and is perpendicular to x + 5y =6
Oksana_A [137]
X + 5y = 6
5y = -x + 6
y = -1/5x + 6/5....the slope here is -1/5. A perpendicular line will have a negative reciprocal slope. All that means is flip the original slope and change the sign. So we flip -1/5 and make is -5/1....and we change the sign...making it 5/1 or just 5. So our perpendicular line will have a slope of 5.

y = mx + b
slope(m) = 5
(2,-2)...x = 2 and y = -2
sub and find b, the y int
-2 = 5(2) + b
-2 = 10 + b
-2 - 10 = b
-12 = b

so ur perpendicular equation is : y = 5x - 12 <=
3 0
3 years ago
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