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Anon25 [30]
2 years ago
8

Verona is solving the equation -3+4x=9. In order to isolate the variable term using the addition property of equality, which num

ber should she add to both sides of the equation?
Mathematics
1 answer:
TEA [102]2 years ago
5 0

Answer: he should add 3

Step-by-step explanation: he should add 3 because then you have 4x=12 and that simplifies to x=3

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F(x)=8x +5, which function represents f(e-9)
Ronch [10]

Answer:

f(e - 9) = 8e - 67

Step-by-step explanation:

To evaluate f(e - 9) substitute x = e - 9 into f(x)

f(e - 9) = 8(e - 9) + 5 = 8e - 72 + 5 = 8e - 67

7 0
3 years ago
Solve the inequality.Explain all steps and Identify the properties used. n/-3 + 5>4
Virty [35]
N/-3>4-5 
then you can just times by -3 to get n on it's own
n>-3(4-5)
n>-3*-1
n>3
4 0
3 years ago
Read 2 more answers
Suppose we are testing the null hypothesis H 0 mu=20 and the alternative H iu =20 , normal population with sigma=6 A random samp
cupoosta [38]

Answer:

The value of the test statistic is z = -1.5

Step-by-step explanation:

The formula for the test statistic is:

z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

In which X is the statistic, \mu is the mean, \sigma is the standard deviation and n is the number of observations.

In this problem, we have that:

\mu = 20, X = 17, \sigma = 6, n = 9

So

z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

z = \frac{17 - 20}{\frac{6}{\sqrt{3}}}

z = -1.5

The value of the test statistic is z = -1.5

8 0
3 years ago
Onde que eu tô? kkkkkkkkkkkkkkkkk​
slamgirl [31]

Answer:

what does it mean? can you translate it

5 0
3 years ago
Read 2 more answers
Find the exact solution to the equation. Show your work for credit. (1 point) four to the power of quantity twelve minus four x
padilas [110]
4^(12-4x)=256  realize that 256 is 4^4  so we really have:

4^(12-4x)=4^4  taking the natural log of both sides

(12-4x)ln4=4ln4  dividing both sides by ln4

12-4x=4  subtract 12 from both sides

-4x=-8  divide both sides by -4

x=2


7 0
3 years ago
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