3 years ago

How do I do this? I am very confused.

Mathematics

1 answer:

vovangra [49]3 years ago

3 0

What are you trying to do?

You might be interested in

Si el gerente de control de calidad desea estimar la media de vida de lámparas con 20 horas, con un nivel de confianza del 95% y

vfiekz [6]

English translation:

If the quality control manager wants to estimate the average life of lamps with 20 hours, with a confidence level of 95% and an error of 10% is assumed. What is the sample size?

6 0

3 years ago

Temperature fell on one night in London to 12 degrees centigrade. On same night in Moscow temperature fell to -5degrees centigra

galina1969 [7]

Answer:

17(maybe)

Step-by-step explanation:

12-(-5)=17

8 0

3 years ago

3x-2y=18fory thank you if you find the answer

Shkiper50 [21]

Answer:

Step-by-step explanation:

3×8-2×3=18

5 0

3 years ago

Translate the phrase into a numerical expression of One hundred divided by the quantity three times five

dimulka [17.4K]

$\frac{100}{3*5}$

4 0

4 years ago

Select the best possible first step to solving the system by first eliminating the x variable.3x − 9y = 6 2x − 11y = 6?

musickatia [10]

$\left\{\begin{array}{ccc}3x-9y=6&|divide\ both\ sides\ by\ 3\\2x-11y=6&|divide\ both\ sides\ by\ (-2)\end{array}\right\\\\\underline{+ \left\{\begin{array}{ccc}x-3y=2\\-x+5.5y=-3\end{array}\right}\\.\ \ \ 2.5y=-1$

4 0

3 years ago

Read 2 more answers