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vazorg [7]
4 years ago
10

When solving p2+5=8p-7, kate wrote p2+12=8p. The property she used is

Mathematics
1 answer:
Mkey [24]4 years ago
7 0

Answer:

She used the addition property of equality:

p2 + 5 = 8p - 7

     +7           +7

p2 + 12 = 8p

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The radius of circle F is 19 cm what is the length of its diameter
aliina [53]

Answer:

38 centimeters

Step-by-step explanation:

Diameter is twice the radius so multiply 19 by 2.

4 0
3 years ago
a)b 256What are the values of a and b in the equation(4x[4x2- ?○ a-2, b-4○ a=-2, b-4○ a-2, b=-4○ a-2, b=-422aaaa0000C日
klasskru [66]
Hi.... your answer is below:

\left( 4.x^{a} \right)^{b}=\dfrac{256}{x^{8}}\rightarrow 4^{b}x^{ab}=256x^{-8}\rightarrow 2^{2b}.\,x^{ab}=2^{8}.\,x^{-8}\rightarrow\\ \text{by comparison}\\ 2^{2b}=2^{8}\rightarrow 2b=8\rightarrow \boxed{b=4}\\ x^{ab}=x^{-8}\rightarrow x^{4a}=x^{-8}\rightarrow 4a=-8\rightarrow \boxed{a=-2}

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8 0
4 years ago
What is a solution for the equation 2x-y=5 PLEASE HELP!!!!
SOVA2 [1]
Y = 2x - 5
You would subtract -2x from both sides, and then divide -y by both sides
6 0
4 years ago
Read 2 more answers
What is 1.8 added 8 times? (IF YOU CAN PLS DO IT IN EXPLANATION) and this is about decimals and pls do it in grade five type, bc
Salsk061 [2.6K]

Answer:

14.4

Step-by-step explanation:

1.8 added 8 times = 1.8 * 8

1.8 * 8

use distributive property

1.8 = 1 + 0.8

1.8 * 8 = (1+0.8) * 8

          = 1*8 + 0.8*8

anything multiplied by 1 equals itself

1*8 + 0.8*8 = 8 + 0.8 * 8

0.8 = 8/10

0.8 * 8 = (8/10) * 8

           = 64/10

            = 6.4

8 + 0.8 * 8 = 8 + 6.4 = 14.4 as our answer

8 0
3 years ago
Find the sum of 5a and -9a
kari74 [83]

Answer:

-4a

Step-by-step explanation:

5a + -9a = -4a

hope this helps

7 0
3 years ago
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