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Elden [556K]
3 years ago
12

Solve the following equation for x: 6( 4X +5) = 3( X +8) +3

Mathematics
2 answers:
Luda [366]3 years ago
6 0

Answer:

x= -1/7

Step-by-step explanation:

 

Lubov Fominskaja [6]3 years ago
5 0
The answer is x= -1/7
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50 points please help i need it so bad
ki77a [65]

Answer:

D

Step-by-step explanation:

Recall that for a function f such that f:X \to Y, where X is the Domain and Y is the Codomain, the function has a inverse, if and only if, \forall y \in Y exist an unique x\in X such that f(x)=y.

\therefore f^{-1}(y)=x \iff f(x)=y

Therefore, the inverse of f for f(x)=\dfrac{3-x}{7} is

f^{-1} =3-7x

==============================================

f(x)=\dfrac{3-x}{7} \implies y= \dfrac{3-x}{7} \implies x=\dfrac{3-y}{7}

x=\dfrac{3-y}{7} \implies 7x = 3-y  \implies 7x -3 = -y   \implies -7x +3 = y  \implies f(x)=3-7x

6 0
2 years ago
CAN SOME ONE HELP ME WITH THIS HURRY PLEASE
Nina [5.8K]
7) x= men
x+6= women

x + (x+6)= 30
2x + 6= 30
2x= 24
x= 12
x+6= 18

8) x= first integer
x+1= second integer
x+2= third integer

x + (x+1) + (x+2)= 153
3x + 3= 153
3x= 150
x= 50

Second integer
= x+1
= x+50
= 51

9) x= first integer
x+2= second integer
x+4= third integer

x + (x+2) + (x+4)= 54
3x + 6= 54
3x= 48
x= 16

x + (x+2)= 34
16 + 16 + 2= 34
34=34

10) rate= 356 km/hr
distance= 1424 km

Distance= rate * time
D= rt
1424= 356 * t
divide both sides by 356
4 hrs= t


ANSWERS:
7) 18 (B - second choice down)
8) 51 (B - second choice down)
9) 16 (D - fourth choice down)
10) 4 (B- second choice down)

Hope this helps! :)
6 0
3 years ago
(3x-8)° (4x-23)° fine the x
Veronika [31]

You cannot find x.

Because both phrases are to the power of 0, we know that it is essentially 1*1

So:

(3x - 8)^0 (4x - 23)^0 = 1

7 0
3 years ago
Please answer the image below .
mojhsa [17]
There u just needed to search the formula

8 0
3 years ago
Read 2 more answers
Determine the value of a so that A = 2i+aj+k and B = 4i-2j-2k are perpendicular​
Digiron [165]
In order to make them perpendicular, their dot product must result in zero. so:

4 \times 2 - 2a - 2 \times 1 = 0

2a = 8 - 2 = 6

a = 3
7 0
3 years ago
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