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Juliette [100K]
3 years ago
8

Please I need help it’s an emergency

Mathematics
1 answer:
Fofino [41]3 years ago
8 0

Answer:

the answer is 36

Step-by-step explanation:

beacuse if we use the pythagorean theorem for 9 and 12 we get 15 which means that the perimeter is P=9+15+12=36

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HELP!!!ASAP!!!!DO IN 30 MIN!!! 7TH GRADE MATH
oksano4ka [1.4K]

Answer:

b

Step-by-step explanation:

big brain guess

5 0
3 years ago
Y = 4x + 5<br> 2x + y = 17<br><br> Something about substitution to solve a system of an equation
Leto [7]

Answer:

x=2, y=13. (2, 13).

Step-by-step explanation:

y=4x+5

2x+y=17

----------

2x+4x+5=17

6x+5=17

6x=17-5

6x=12

x=12/6

x=2

y=4(2)+5

y=8+5=13

8 0
3 years ago
Which of the following would you add to each side of the equation x-9=12 to get the variable by itself?
VLD [36.1K]
X-9=12
x-9+9=12+9
You need to add 9 to each side of the equation.
x=21
6 0
3 years ago
The square shown has a perimeter of 32 units. The square is rotated about line k. What shape is created by the rotation and what
harkovskaia [24]
The perimeter of the square is calculated through the equation,
                                        4x = P
where P is the perimeter and x is the measure of the sides.

When P is 32 units then,
                                         32 units = 4(x)
                                                 x = 8 inches

This 8 inches is the diameter of the cylinder formed by the rotation. 
The circumference of the base is calculated through,
                            C = 2πr = πD
Substituting the known values,
                              C = π(8 units) = <em>8π units
</em>
<em></em>When π is equal to 3.14, we solve for the numerical value of the cylinder as follows,
<em>                                      C = 8(3.14) = 25.12 units
</em>
<em></em>Thus, the figure formed is a cylinder with base circumference equal to 25 units. The answer is the third choice. <em>
</em>
6 0
3 years ago
Read 2 more answers
Which number line shows the solutions to n &gt; 3?ヽ(°◇° )ノ
balu736 [363]
It is the first number line :)
3 0
3 years ago
Read 2 more answers
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