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Viefleur [7K]
2 years ago
7

NEED HELP ASAP!!!

Mathematics
2 answers:
BigorU [14]2 years ago
7 0
I think it is 44 but I am not sure
svet-max [94.6K]2 years ago
6 0

Answer:

The answer is 44!

Step-by-step explanation:

npp, yw!!! hahaha thank me later okay??

love that more me ahaha! np btw ofc!

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Answer number 3 and 4 please. Thank you.
notka56 [123]
3:80
4:20 those are the answers
5 0
2 years ago
​ <br><br> −3x+3y=9<br> 2x−7y=−14<br> ​ <br><br> ​
svet-max [94.6K]
(x, y) = (-7/5, 8/5)
7 0
3 years ago
Can someone plz answer this not in decimals <br> 17 divided by 1,569
nordsb [41]

Answer:

in fraction from it is \frac{17}{1569}

Step-by-step explanation:

7 0
3 years ago
A laboratory scale is known to have a standard deviation of Ï = 0.001 gram in repeated weighings. Scale readings in repeated wei
erica [24]

Answer:

the confidence interval for the true weight of the specimen is;

4.1593 ≤ μ ≤ 4.1611

Step-by-step explanation:

We are given;

Standard deviation; σ = 0.001

Sample size; n = 8

Average weight; x¯ = 4.1602

We are given a 99% confidence interval and the z-value at this interval is 2.576

Formula for confidence interval is;

CI = x¯ ± (zσ/√n)

Plugging in the relevant values, we have;

CI = 4.1602 ± (2.576 × 0.001/√8)

CI = 4.1602 ± 0.000911

CI = (4.1602 - 0.000911), (4.1602 + 0.000911)

CI ≈ (4.1593, 4.1611)

Thus, the confidence interval for the true weight will be expressed as;

4.1593 ≤ μ ≤ 4.1611

Where μ represents the true weight

4 0
3 years ago
ANYONE up???????????????????????????and can i get help with this
Mashcka [7]

Answer:

here's the solution : -

=》2x - 3y = -29

=》x + 6y = 23

=》x = 23 - 6y

now, plugging the value of x in equation 1, we get : -

=》2x - 3y = -29

=》2 (23 - 6y) - 3y = - 29

=》46 - 12y - 3y = -29

=》-15y = -29 - 46

=》y = -75 ÷ -15

=》y = 5

now, plugging the value of y as 5 in equation 2

=》x + 6y = 23

=》x + (6 × 5.2) = 23

=》x = 23 - 30

=》x = - 7

8 0
3 years ago
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