3 years ago

Evaluate u + xy, for u = 18, x = 10, and y = 8.

Mathematics

1 answer:

Gnoma [55]3 years ago

3 0

Answer: 98

Step-by-step explanation:

18+(10)(8)= 98

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x= 12.5

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Step-by-step explanation:

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3 years ago

Write a sentence that explains the relationship between the two numbers.

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8²

(8^3)(8^-2)(8^1)

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A pentagon has angle measures of 12x°, 7x°, 16x°, 9xº, and 10x°. Find the<br> value of x.

Musya8 [376]

Answer:

Step-by-step explanation:

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3 years ago

A man sold a fan for Rs. 400. Find the cost price if he incurred a loss of 15%.

statuscvo [17]

Answer:

Cost price of the fan is $\text {Rs. 470.59}$ .

Step-by-step explanation:

Given: A man sold a fan for $\text{Rs.}\:400$ . He incurred a loss of $15\%$ .

To find: The cost price of the fan

Solution:

We have,

Selling price, S.P., of the fan $= \text{Rs.} 400$

Loss $=15\%$

We know that $\text {Loss\%}=\frac{\text{C.P.-S.P.}}{\text{C.P.}}\times100\%$

Now let the C.P. of the fan be $\text{Rs.} \:x$

So, $15=(\frac{x-400}{x})\times 100$

$\implies 15x=100x-40000$

$\implies 100x-15x=40000$

$\implies 85x=40000$

$\implies x=\frac{40000}{85}$

$\implies x= 470.59$

Hence, the cost price of the fan is $\text {Rs. 470.59}$ .

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3 years ago