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ra1l [238]
4 years ago
9

Which property is illustrated by this number sentence?

Mathematics
1 answer:
pashok25 [27]4 years ago
6 0
The answer is B, The commutative property of multiplication
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PLZ HELP MEE!!!<br> NO LINKS OR WEBSITES!!! YOU WILL GET REPORTED!!!
Mama L [17]

Answer:

90 in^{2}

Step-by-step explanation:

Base is an equilateral triangle

slant hight= 12 in

side of base= 5 in

so, perimeter of base = 3(5)=15 in

lateral area = 1/2 pl =1/2 (15)(12) in

=90 in²

--------

hope it helps..

have a great day!!

3 0
3 years ago
Read 2 more answers
An artist is constructing a piece of art in the shape of rectangle. The artist wants to use string to tightly tie each vertex of
Liula [17]

Answer:

  65.8 ft

Step-by-step explanation:

The number of strings required to tie each vertex to the other three will be ...

  (4)(3)/2 = 6

Those strings will be perimeter strings plus two diagonal strings. The lengths of the perimeter strings are given as 12 ft and 7 ft. The lengths of the diagonal strings can be found using the Pythagorean theorem.

  d² = 12² +7² = 144 +49 = 193

  d = √193 ≈ 13.892

Then the total length of all strings is ...

  L = 2(12.0 +7.0 +13.9) = 65.8 . . . . feet

The artist will need 65.8 feet of string.

4 0
3 years ago
Which measure of central tendency does 4 represent for the data shown?
kondor19780726 [428]

Answer:

4 is the median

Step-by-step explanation:

The mean is the average, the median is the middle value when listed from smallest to largest, and the mode is the value that appears most often

4 is the middle value since they are listed from smallest to largest

4 is the median

7 0
4 years ago
Read 2 more answers
Find the amount of time.<br><br> I=$450, P=$2400, r=7.5%
Aliun [14]
2.5 years
~You need to set this problem up in the I=PRT form. This should be your formula then, 450=2400(.075)(t). Then do 2400 times .075 and then times that by t which equals 180t. To get rid of that t then take 450 divided by 180 and you get 2.5. Remember when working with rates put them in decimal form also but your time in years.

I hope this helps you:)
3 0
4 years ago
R^2+8r=-7<br>solve the equation with the quadratic formula showing work
Yuliya22 [10]

Answer:

Step-by-step explanation:

r²+8r=−7

Step 1: Subtract -7 from both sides.

r²+8r−(−7)=−7−(−7)

r²+8r+7=0

Step 2: Use quadratic formula with a=1, b=8, c=7.

r=r=\frac{-b+or-\sqrt{-4ac}  }{2a}

r=\frac{-8+or-\sqrt{(8})^2-4(1)(7) }{2(1)}

7 0
4 years ago
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