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Ber [7]
3 years ago
14

Hope u help me pls I love u

Mathematics
1 answer:
QveST [7]3 years ago
8 0

Answer:c= a +b

Step-by-step explanation:

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Find the value of X<br> PLEASE HELP ASAP!!!!!
MAVERICK [17]

Answer:

-10

Step-by-step explanation:

the upper right is the same (105°), therefore the left 75°

now you have 180 = 75 + x + 115

therefore: -10

6 0
3 years ago
PLS HELPP WHAT IS THE ANSWER???
Elena-2011 [213]

Answer:

-220

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
100 POINTS!! OMG YOU NEED TO SOLVE THIS!
natita [175]

Answer:

The correct answer is: \Delta BDE \cong \Delta BFK by <em>rule</em> ASA rule of congruence.

Step-by-step explanation:

First let us prove \Delta BDE \cong \Delta BFK by rule ASA (rule of congruence).

<u>Congruent side:</u>

\overline{BD} \cong \overline{BF} (Given)

<u>Congruent angles:</u>

1. By definition of perpendicular,

\angle{BFK} = 90 \textdegree \ (Since \ \overline{FK} \ is \ perpendicular \ to \ \overline{AB} \ (\overline{FK} \perp \overline{AB} =Given))

Also,

\angle{BDE} = 90 \textdegree \ (Given)

Therefore,

\angle{BDE} \cong \angle{BFK}

or you can say,

\angle{D} \cong \angle{F}

2. Common angle between \Delta BDE \ and \ \Delta BFK is \angle{B}

In a nutshell, in \Delta BDE,

\angle{B} (Angle)

\overline{BD} (Side)

\angle{BDE} (Angle)

are congruent to the following angle, side and angle of \Delta BFK:

\angle{B} (Angle)

\overline{BF} (Side)

\angle{BFK} (Angle)

Therefore, by ASA rule of congruence, we can say \Delta BDE \cong \Delta BFK.

<em>Since both triangles are congruent</em>, the sides \overline{ED} and \overline{FK} are also congruent.

5 0
3 years ago
Read 2 more answers
Dy/dx if y = Ln (2x3 + 3x).
NeTakaya

Answer:

\frac{6x^2+3}{2x^3+3x}

Step-by-step explanation:

You need to apply the chain rule here.

There are few other requirements:

You will need to know how to differentiate \ln(u).

You will need to know how to differentiate polynomials as well.

So here are some rules we will be applying:

Assume u=u(x) \text{ and } v=v(x)

\frac{d}{dx}\ln(u)=\frac{1}{u} \cdot \frac{du}{dx}

\text{ power rule } \frac{d}{dx}x^n=nx^{n-1}

\text{ constant multiply rule } \frac{d}{dx}c\cdot u=c \cdot \frac{du}{dx}

\text{ sum/difference rule } \frac{d}{dx}(u \pm v)=\frac{du}{dx} \pm \frac{dv}{dx}

Those appear to be really all we need.

Let's do it:

\frac{d}{dx}\ln(2x^3+3x)=\frac{1}{2x^3+3x} \cdot \frac{d}{dx}(2x^3+3x)

\frac{d}{dx}(\ln(2x^3+3x)=\frac{1}{2x^3+3x} \cdot (\frac{d}{dx}(2x^3)+\frac{d}{dx}(3x))

\frac{d}{dx}(\ln(2x^3+3x)=\frac{1}{2x^3+3x} \cdot (2 \cdot \frac{dx^3}{dx}+3 \cdot \frac{dx}{dx})

\frac{d}{dx}(\ln(2x^3+3x)=\frac{1}{2x^3+3x} \cdot (2 \cdot 3x^2+3(1))

\frac{d}{dx}(\ln(2x^3+3x)=\frac{1}{2x^3+3x} \cdot (6x^2+3)

\frac{d}{dx}(\ln(2x^3+3x)=\frac{6x^2+3}{2x^3+3x}

I tried to be very clear of how I used the rules I mentioned but all you have to do for derivative of natural log is derivative of inside over the inside.

Your answer is \frac{dy}{dx}=\frac{(2x^3+3x)'}{2x^3+3x}=\frac{6x^2+3}{2x^3+3x}.

3 0
3 years ago
Why do banks pay you interest?
Anastasy [175]

Step-by-step explanation:

option C . they are borrowing your money and rewarding you for keeping money with them

6 0
2 years ago
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