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BabaBlast [244]
2 years ago
11

!!!*BRAINLIEST*!!! Edge lengths are given in units. Find the surface area in square units.

Mathematics
1 answer:
dlinn [17]2 years ago
6 0

Answer:

204

Step-by-step explanation:

Triangles:

4*6 = 24/2 = 12 * 2 = <u>24</u>

Rectangles:

12*5 = 60*3= 180

Final:

180+24= 204

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21m-49n factored using gcf
Over [174]
21 and 49 GCF is 7
So then you divide 7 out of both and get 7(3m-7n)
8 0
3 years ago
the sum of three numbers is twenty. the second number is four times the first and the sum of the first and third is eight. what
8090 [49]
Let's call the three numbers x, y, and z. 


The numbers are 3, 12, and 5.
x + y + z = 20
y = 4x
x + z = 8
We can rewrite the first equation because y is 4x, so 
x + 4x + z = 20
5x + z = 20
And now we can use simultaneous equation rules to solve

5x + z = 20
x + z = 8

5x + z = 20
5x + 5z = 40
(subtract)
-4z + -20
÷ -4
z = 5

x + z = 8
x + 5 = 8
x = 3

y = 4x
y = 4 × 3
y = 12

I hope this helps!
4 0
3 years ago
The sum of two numbers is 6, their difference is 4, find the two numbers. What is their product?
Firlakuza [10]

Answer:

The two numbers are 5 and 1. Their product is 5

Step-by-step explanation:

x + y = 6 (*)

x - y = 4 (**)

Let (*) + (**)

--> (x+y) + (x-y) = 6 + 4

<=> 2x = 10 <=> x = 5

Substitute x= 5

(*) <=> 5 + y = 6

<=> y=1

Answer: (x,y) = (5,1)

Their product: x.y = 5x1 = 5

6 0
3 years ago
ILL GIVE BRAINLY THING
Vinil7 [7]

Answer:

the slope is -4/3

Step-by-step explanation:

you can either use the graph or algebra to find the slope.

to use the graph, simply count how many spaces up/down and to the left/right that you go.

to use algebra, take the coordinates of your two points and do (y2-y1)/(x2-x1).

4 0
3 years ago
Which of the following inequalities has a solution x≥−3?
timama [110]
The 2nd one has the following inequality’s that has a solidity on x>-3
5 0
2 years ago
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