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FromTheMoon [43]
2 years ago
9

A) 3 NIX 01/x b b) = = 8.5

Mathematics
1 answer:
alexandr1967 [171]2 years ago
6 0

Answer:

a = 8.5  

Step-by-step explanation:

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Which best describes the rule for this pattern? 1,-12,12,-1 A.) subtract 13, then add 24 B.) subtract -13, then add 24 C.) subtr
faltersainse [42]
<h2>Answer:</h2>

In this exercise we have the following pattern:

1, -12, 12, -1

So we need to find the rule for this patter. First of all, let's take the first number, which is 1:

1

To find the second number, which is -12, we must subtract 13, because:

1 - 13 = -12

To find the third number, which is 12, we must add 24, because:

-12 + 24 = 12

In conclusion, the correct answer is A.) subtract 13, then add 24

5 0
4 years ago
The perimeter of this figure is 42.5 cm. Find the area of this figure.
11111nata11111 [884]
The picture in the attached figure

let
AB=x

we know that
perimeter of the figure=10*x
perimeter=42.5 cm
so
42.5=10*x
x=42.5/10
x=4.25 cm

area of the figure=area of rectangle +area of square
area of rectangle=4.25*(4.25*3)----> 54.1875 cm²
area of square=4.25²----> 18.0625 cm²

area of the figure=54.1875+18.0625-----> 72.25 cm²

the answer is
72.25 cm²

3 0
4 years ago
A student said that 42% of 78 is 45. Is this answer reasonable? Explain.
I am Lyosha [343]
42% = 0.42   
0.42 * 78 = 32.76
7 0
3 years ago
Read 2 more answers
PLEASE HELP FAST! my problem is in the photo.
Xelga [282]
[c] 70°

40+2x=180
2x=140
x=70

i use 2x since the angle measures of D and C are equivalent since it is an isosceles
7 0
3 years ago
Please help me with this question
marshall27 [118]

Answer:

80,

Step-by-step explanation:

the way to find the volume of a prism is the following, get 3 measurements, the length, the width and the height (in this case you already have all 3) so simply multiply they together(2*5*8=80)

6 0
3 years ago
Read 2 more answers
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