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2 years ago

How do you solve (-8)(-5/4)

Mathematics

1 answer:

Ivahew [28]2 years ago

4 0

Answer:

4.8

Step-by-step explanation:

-5/4 changes to -.60 then multiply by -8

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Help, please! 10 points to solve.

sineoko [7]

The answer is B, 7.6-(-1.7)=9.3

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3 years ago

Using L'Hopital's rule, evaluate the limit as x approaches infinity of (sin (8x))/(5x)

sweet-ann [11.9K]

Answer:

45.89

Step-by-step explanation:

This is what is the answer

6 0

2 years ago

Tank 1 initially contains 50 gals of water with 10 oz of salt in it, while tank 2 initially contains 20 gals of water with 15 oz

Naddik [55]

$\dfrac{\mathrm dx_1}{\mathrm dt}=\dfrac{2\text{ oz}}{1\text{ gal}}\dfrac{5\text{ gal}}{1\text{ min}}-\dfrac{x_1(t)\text{ oz}}{50\text{ gal}}\dfrac{5\text{ gal}}{1\text{ min}}$
$\dfrac{\mathrm dx_2}{\mathrm dt}=\dfrac{x_1(t)\text{ oz}}{50\text{ gal}}\dfrac{5\text{ gal}}{1\text{ min}}-\dfrac{x_2(t)\text{ oz}}{20\text{ gal}}\dfrac{5\text{ gal}}{1\text{ min}}$

$\implies\begin{cases}\dfrac{\mathrm dx_1}{\mathrm dt}=10-\dfrac1{10}x_1\\\\\dfrac{\mathrm dx_2}{\mathrm dt}=\dfrac1{10}x_1-\dfrac14x_2\\\\x_1(0)=10\\\\x_2(0)=15\end{cases}$

6 0

3 years ago

SOLVE AND EXPLAIN! b + m = 400?

kap26 [50]

Answer:

b=200 and m=200

Step-by-step explanation:

There are many answers to this problem. You can replace b and n for the number 200. You need to find what two numbers, added up, will give you 400. If b=200 and m=200, when added up, it will give you 400.

5 0

3 years ago

Factor the expression completely.<br> 15x2-5x - 10<br> 15x2-5x - 10 =

AVprozaik [17]

Answer:

x=8

Step-by-step explanation:

30-5x-10

-5x+30-10

-5x+40

-5x= -40

divide both sides by -5

-5x/-5= -40/-5

x=8

5 0

3 years ago