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2 years ago

I dont get it i need help

Mathematics

1 answer:

SOVA2 [1]2 years ago

7 0

Answer:

Perpendicular means like making 4 right angles at the intersection, right? So do a light directly upwards through line t from point a. And for 2, do a line from point a to the center of BC, B to the center of AC, and C to the center of AB

Step-by-step explanation:

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The formula for beryllium fluoride is BeF2. If the fluorine (F) in a quantity of this weighs 95 grams, what is the total weight

antiseptic1488 [7]

The total number is 28

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3 years ago

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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

Complete the factored form of the algebraic expression <br> 18a + 3 = 3 ( + )

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Answer: 0

Step-by-step explanation: 18a + 3 = 3

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3 years ago

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Name the property used in n + 0 = 7.

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The answer is additive property

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4 years ago

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3 substracted from 9 times 2 and 5 is added

anyanavicka [17]

Answer:

Step-by-step explanation:

It is because 9x2=18

3 subtracted from 18 is 15

15+5=20

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