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RUDIKE [14]
3 years ago
12

Evaluate a^2b^2? when a = 5 and b = 3.

Mathematics
1 answer:
kvasek [131]3 years ago
5 0

Answer:

D) 7

Step-by-step explanation:

a^{2} -2b^{2}

a=5

b=3

\left(5\right)^2-2\left(3\right)^2

Calculate 5 to the power of 2 and get 25:-

25-2\times 3^{2}

Calculate 3 to the power of 2 to get 9 and then multiply 2 and 9 to get 18:-

25-18

=7

<u>OAmalOHopeO</u>

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Please help me and show your wprk
stellarik [79]
This is how I find the GCF.

I find the prime factors. 

63/3 = 21
21/3 = 7
7/7 = 1 

81/3 = 27
27/3 = 9
9/3 = 3
3/3 = 1

Then I find the common prime factors:
63: 3 x 3 x 7
81: 3 x 3 x 3 x 3 

Then I multiply the common prime factors:
3 x 3 = 9

The GCF for 63 and 81 (number 3) is 9. 

I bet you can use this method for all the other GCFs! :)

For this one, find the prime factors like before, and if there aren't any besides one, then it's a prime number. 

75/3 = 25
25/5 = 5
5/5 = 1
 
The prime factorization for 75 is 3 x 5 x 5

(I don't know the answer to 7, 8, 9, 10, 11, 12, 25, or 26, sorry!)


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4 years ago
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Marina CMI [18]

Answer:

yes

Step-by-step explanation:

8 0
3 years ago
Let u = &lt;-5, -9&gt;, v = &lt;6, 8&gt;. Find -8u - 2v.
brilliants [131]
If u and v are indeed vectors,
- 8u - 2v =  - 8( - 5, - 9) - 2(6,8) \\  = (40,72) - (12,16) \\  = (28,56)
,
5 0
4 years ago
Read 2 more answers
Find the area of this trapezoid. Be sure to include the correct unit in your answer.14 ft16 ft7 ft17 ft
goblinko [34]

The area of a trapezoid can be found through the formula

A=\frac{a+b}{2}\cdot h

where a and b are the bases and h the height, then,

\begin{gathered} A=\frac{14+7}{2}ft\cdot7ft \\ A=10.5ft\cdot7ft \\ A=73.5ft^2 \end{gathered}

7 0
1 year ago
Pls help!! i beg you
IRISSAK [1]

Answer:

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Hope It Helps!

8 0
3 years ago
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