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TiliK225 [7]
3 years ago
9

Please help me fast and show all your work please thx ​

Mathematics
1 answer:
lord [1]3 years ago
5 0

Answer:

636 m squared

Step-by-step explanation:

use the formula of rect. prism. ;)

2(L(h+w) + h+w)

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3 2. Write the equation of a line that includes the point (-4, 0) and has a slope of 5 in slope-intercept form- 12 3 y=-=X-2 5 5
Arturiano [62]

Answer:

y= 5x+20

Step-by-step explanation:

Slope intercept form is

y = mx+b where m is the slope and b is the y intercept

The slope is 5 and a point on the line is (-4,0)

Substituting this information into the equation, we can solve for b

0 = 5(-4) +b

0 = -20+b

Add 20 to each side

0+20 = -20+20+b

20 = b

y = 5x+20

8 0
3 years ago
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Step-by-step explanation:

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3 years ago
8. Which of these below correctly solves<br> for yin the equation 3x-4y= 7?
Basile [38]

Answer:

y=\frac{3}{4}x-\frac{7}{4}

Step-by-step explanation:

3x-4y=7\\\\3x-3x-4y=7-3x\\\\-4y=7-3x\\\\\frac{-4y=7-3x}{-4}\\\\y=-\frac{7}{4}+\frac{3}{4}x\\\\  \boxed{y=\frac{3}{4}x-\frac{7}{4}}

Hope this helps.

5 0
4 years ago
Factor completely a2 - 9a + 20
Anastaziya [24]
A^2-9a+20=a^2-5a-4a+20=(a^2-5a)+(-4a+20)
a^2-9a+20=a(a^2/a-5a/a)+(-4)(-4a/(-4)+20/(-4))
a^2-9a+20=a(a-5)-4(a-5)
a^2-9a+20=(a-5)[a(a-5)/(a-5)-4(a-5)/(a-5)]
a^2-9a+20=(a-5)(a-4)
8 0
4 years ago
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Solve by using sign chart <br> 1/5k-1&lt;1/10k-2-k-5/10k-2
-Dominant- [34]

Answer:

K=5

Step-by-step explanation:

3 0
4 years ago
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