3 years ago

Estimate the difference by rounding to the nearest thousand and 35,792-24,700 to

Mathematics

1 answer:

coldgirl [10]3 years ago

8 0

36,000-25,000= 11,000

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Which expression is equivalent to this expression: 21x + 35

vaieri [72.5K]

Answer: a

Step-by-step explanation: 19x+ 2x=21x. Then 20+15 is 35. So it would be 21x+35

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3 years ago

Find f such that the given conditions are satisfiedf’(x)=x-4, f(2)=-1

kicyunya [14]

Given:

$f^{\prime}\left(x\right)=x-4,\text{ and}f\left(2\right)=-1$

To find:

The correct function.

Explanation:

Let us consider the function given in option D.

$f(x)=\frac{x^2}{2}-4x+5$

Differentiating with respect to x we get,

$\begin{gathered} f^{\prime}(x)=\frac{2x}{2}-4 \\ f^{\prime}(x)=x-4 \end{gathered}$

Substituting x = 2 in the function f(x), we get

$\begin{gathered} f(2)=\frac{2^2}{2}-4(2)+5 \\ =2-8+5 \\ =-6+5 \\ f(2)=-1 \end{gathered}$

Therefore, the given conditions are satisfied.

So, the function is,

$f(x)=\frac{x^{2}}{2}-4x+5$

Final answer: Option D

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2 years ago

At what price must I sell a motor car costing £2680 to make a gain of 5% on the cost? Please help

Papessa [141]

So 2680 divided by 100 is 26.80 which is 1%, times 26.80 by 5 to get 5% = £134, £2680+134= £2814

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4 years ago

A. b. c. d. please help me

Yuliya22 [10]

Answer:

Step-by-step explanation:

the answer is - 11/12

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4 years ago

---8 (-5 + 13) + 12 : 6 x 2

madreJ [45]

Step-by-step explanation:

-8 ( - 5 + 13) + 2 : 1 x 2

-8 ( 8) + 2 : 2

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-63

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3 years ago