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avanturin [10]
3 years ago
7

What is the value of X? Enter your answer in the box. X=__

Mathematics
1 answer:
UNO [17]3 years ago
6 0

x = 19!

Proof:

3x-3\\3(19)-3\\57-3\\54

For the other equation,

6(x-10)\\6(19-10)\\6(9)\\54

⭐ Please consider brainliest! ⭐

✉️ If any further questions, inbox me! ✉️

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L thought that maybe it was *C* but I just want to be sure of my answer
ioda
You are right, it's C. I checked in geogebra bro/girly/dude.

Hope this helps !

Photon
7 0
3 years ago
Data on the blood cholesterol levels of 6 rats give mean = 85, s= 12. A 95% confidence interval for the mean blood cholesterol o
lana [24]

The <em><u>correct answer</u></em> is:

c)75.4 to 94.6

Explanation:

The formula for a confidence interval is:

\mu \pm z*(\frac{\sigma}{\sqrt{n}}),

where μ is the mean, z is the z-score associated with the level of confidence we want, σ is the standard deviation, and n is the sample size.

Our mean is 85, our standard deviation is 12, our sample size is 6, and since we want 95% confidence, our z-score is 1.96:

85\pm 1.96(\frac{12}{\sqrt{6}})=85\pm 9.6=85-9.6, 85+9.6=75.4, 94.6

4 0
3 years ago
Read 2 more answers
Is 1/3x-2y=7 a linear function
Ann [662]

Answer:

The equation is not a linear function.

5 0
3 years ago
Jermaine got an 84% on a math test. If the test had 25 questions, how many
julia-pushkina [17]

Answer:

21

Step-by-step explanation:

why do you use points when you could literally just search it up

6 0
3 years ago
-38--25 +25-50 solve​
adoni [48]

Answer:

<h2>-38</h2>

Step-by-step explanation:

-38-25+25-50

Follow the PEDMAS order of operation

Add and subtract left (left to right )

\mathrm{Apply\:rule\:}-\left(-a\right)\:=\:+a\\-\left(-25\right)=+25\\\\=-38+25+25-50\\=-13+25-50\\-13+25=12\\=12-50\\12-50=-38

4 0
3 years ago
Read 2 more answers
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