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Vikentia [17]
3 years ago
6

URGENT DUE BY 3:30 FOR A HUGE GRADE WILL RATE GOOD:)

Mathematics
1 answer:
mariarad [96]3 years ago
4 0

A = L x W

20 x 20 = 400.

400 x 8 = 3200

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Solve for A. <br><br> -7a + 1.6a = -19.44<br><br> Please show work.
Taya2010 [7]

Answer:

3.6

Step-by-step explanation:

-7a+1.6a=-19.44

-5.4a=-19.44

5.4a=19.44

a=19.44/5.4

a=3.6

3 0
3 years ago
-6 + (1\3) word problem
inessss [21]
-6/3 that is the answer
6 0
3 years ago
PLEASE HELP ASAP! A mountain climber is at an altitude of 2.9 mi above the earth’s surface.
shutvik [7]
You can use Pythagorean theorm to solve.

a^2 + b^2 = c^2
C = 3959 + 2.9 = 3961.9

x = ???? = a
b = 3959
Plugin our data.
a^2 + b^2 = c^2
a^2 + 3959^2 = 3961.9^2
a^2 + 15673681 = 15696651.61
a^2 = 22970.61
\sqrt{a^2} = sqrt{22970.61}
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x = 151.560
x = 151.6

7 0
3 years ago
PLEASE ANSWER ASAP What is the solution of each proportion?
HACTEHA [7]
So first of all they are similar because they are in the same degree and the top and bottom of each one is equal, and so are the left and right. You need to set up a proportion of 10:3.12 and 5:1.2 because those are the sides that match up. They match because if you rotate the second figure to the right it would match the figure on the right. The only available answer then out of 10:3.12 and 5.12 is letter A. Hope this helps comment if you need any more help or it’s confusing.
6 0
3 years ago
11k = -143 I need help with this question
garri49 [273]

Answer:

k = -13

Step-by-step explanation:

-143/11 = -13

7 0
2 years ago
Read 2 more answers
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