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Kryger [21]
4 years ago
6

Gary tried to solve an equation step by step.

Mathematics
2 answers:
masha68 [24]4 years ago
5 0

Answer:

e/4 = 2.5

e/ 4 × 4 = 2.5 × 4

e = 10

His mistake was in step 2 since

2.5 × 4 = 10

Hope this helps

sergey [27]4 years ago
5 0
The mistake is in step 2, because 2.5*4 is 10 not 8
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Answer: The value of d 62 + 5

4 0
3 years ago
Read 2 more answers
Ln a+3 + ln a-3 = ln 16
Lilit [14]
\bf log_{{  a}}(xy)\implies log_{{  a}}(x)+log_{{  a}}(y)\\\\
and\qquad \textit{difference of squares}
\\ \quad \\
(a-b)(a+b) = a^2-b^2\qquad \qquad 
a^2-b^2 = (a-b)(a+b)\\\\
-----------------------------\\\\
ln(a+3)+ln(a-3)=ln(16)\implies ln[(a+3)(a-3)]=ln(16)
\\\\\\
ln[a^2-3^2]=ln(16)\impliedby \textit{removing ln() from both sides}
\\\\\\
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7 0
3 years ago
Victoria completed 1/8 of her test in 2/5 of an hour if it koreas rate stayed the same how much of her test was finished in 1 ho
dangina [55]

Answer:

<h2>31.25%  or 1/16 of her test</h2>

Step-by-step explanation:

Step one:

given

let the total amount of her test be x

we are told that she complete 1/8x  test in 2/5 of  an hour

hence she completed 1/8x in 0.4 hours

let us find the rate at which she completes are test

rate= 1/8x/0.4

convert the numerator to decimal number for easy computation

rate= 0.125x/0.4

rate=0.3125x per hour

Step two:

Hence 1 hour she can finish 0.3125x *1

=0.3125x

She can finish 31.25 % of her test in 1 hour

or 1/16 of her test

7 0
3 years ago
1.7 degrees Fahrenheit drops every thousand feet. The temperature on the ground is 63.7 Fahrenheit. What will the temperature be
Oksanka [162]

Answer:

The answer to your question is  Final temperature = 60.3°F      

Step-by-step explanation:

I include the process in the attachment

8 0
3 years ago
Which of the following relation is correct
o-na [289]

Answer:

Both the equation and its inverse are functions.

Step-by-step explanation:

In order to solve this problem lets first find the inverse of this function. This is done below:

y = x^2 + 8\\

We first swap x and y.

x = y^2 + 8

We now isolate y.

y^2 = x - 8\\y = \sqrt{x - 8}\\f^{-1}(x) = \sqrt{x - 8}

Functions are relations between two groups of numbers, in such a way that one number on the input group must generate a singular answer from the output group. This holds true for both f(x) and its inverse, therefore both are functions.

7 0
4 years ago
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