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Leokris [45]
4 years ago
7

HELP BROS!! I don’t understand at all soo pls feel free to help

Mathematics
1 answer:
Bess [88]4 years ago
3 0
It will be3:8 and9:64
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Which problem situation id rerpesented by the equation: 10+5x=25?
torisob [31]

Answer:

x = 3

Step-by-step explanation:

10 + 5x = 25

take 10 from both sides 5x = 15

divide both sides by 5  x = 3

7 0
3 years ago
Customers arrive at a movie theater at the advertised movie time only to find that they have to sit through several previews and
Soloha48 [4]

Answer:

n=35

Step-by-step explanation:

From the question we are told that:

Standard Deviation \sigma=4min

Let

CI=95\%

Since

Significance level \alpha

\alpha =1-CI

\alpha =1-0.95

Therefore

Z_{\alpha/2}=Z_{0.025

Z_{\alpha/2}}=1.96

Generally the equation for Sample size is mathematically given by

n = (Z_{\alpha/2}* \frac{\sigma}{E})^2

n= \frac{1.96 * 3}{1}^2

n=35

4 0
3 years ago
Evaluate x+5 if x=9 please help
Charra [1.4K]

Answer:

14

Step-by-step explanation:

if you plug in 9 for x in the equation x+5, you get 9+5

9+5=14

4 0
3 years ago
Read 2 more answers
Someone help me pls
NikAS [45]

Answer:

=a^-13/a^-6

=a^-13+6

=a^-7

6 0
3 years ago
55 + h = -7 h = what
Ira Lisetskai [31]

Answer:

48h

Step-by-step explanation:

55+h=55h

55h-7h=48h

6 0
3 years ago
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