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3 years ago

Evalulate 7 3/4+(-2 1/5) x for x =-10

Mathematics

1 answer:

maksim [4K]3 years ago

6 0

Answer:

2884

Step-by-step explanation:

First plug in -10 for x, which would look like this: 734 + (-215 * (-10) ) =

Then, first you calculate everything in the parenthesis, which is (-215) * (-10)

and the equation would look like this after you multiply: 734 + 2150 =

If you noticed the number turned out positive after we multiplied, that is because - number times a - number would always be positive, just like if you divide - number by a - number your answer would be positive.

Your last step would be adding 734 with 2150. : 734 + 2150 = 2884

+ 734

2150

_____

2884

And the answer would be 2884

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If the total profit per month is Rs 200,000 and the revenue per month can be obtained twice the cost per month minus 50,000, fin

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Answer:

m<ACD = $50^{o}$

Step-by-step explanation:

From the question given, ΔACD is a right angled triangle. Then we can apply one of the properties of a triangle to it.

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3 years ago

7+3√5/3+√5 - 7-3√5/3-√5

Irina-Kira [14]

Answer:

Step-by-step explanation:

We can write the equation in a simpler form so it doesn't look like a mess of numbers:

$7+\frac{3\sqrt{5}}{3}+\sqrt{5} -7 -\frac{3\sqrt{5}}{3}-\sqrt{5}$

Because we are just adding three terms together and then subtracting those exact terms, we have the answer as 0.

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