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Strike441 [17]
2 years ago
9

Helppppppppppppppppppp please

Mathematics
2 answers:
riadik2000 [5.3K]2 years ago
8 0
I have worked out the answer to the question, I hope it helps you. Please do not forget to check if this answer if reliable, I am not always correct

Sedbober [7]2 years ago
8 0
A. 60
b. 19
c.79
d.101
e.50
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Solve the equation<br> -3x + 1 + 10x = x + 4<br> 0 x = 1/2<br> х<br> =<br> x = 12<br> X = 18
pav-90 [236]

Answer:

<h3>            x = 1/2</h3>

Step-by-step explanation:

-3x + 1 + 10x = x + 4

      -1                  -1

        7x  = x  + 3  

       -x          -x

        6x = 3

      ÷6      ÷6

         x = 1/2

8 0
3 years ago
Find the value of 4x2 + 2y where y= 0.5 and x= 3
Citrus2011 [14]

Answer:

37

Step-by-step explanation:

substitute the given values for x and y into the expression

4x² + 2y

= 4(3)² + 2(\frac{1}{2} )

= 4(9) + 1

= 36 + 1

= 37

7 0
3 years ago
Lydia graphed ΔXYZ at the coordinates X (0, −4), Y (2, −3), and Z (2, −6). She thinks ΔXYZ is a right triangle. Is Lydia's asser
katrin [286]

Answer:

Option (4)

Step-by-step explanation:

Vertices of the triangle are X(0, -4), Y(2, -3) and Z(2, -6).

Slope of XY (m_{1}) = \frac{y-y'}{x-x'}

                            = \frac{-3+4}{2-0}

                     (m_{1}) = \frac{1}{2}

Similarly, slope of XZ (m_{2}) = \frac{-6+4}{2-0}          

                                   (m_{2}) = (-1)

m_{1}\times m_{2}=-\frac{1}{2}

Which should be (-1) if XY and XZ are perpendicular to each other.

Now we can say that XY and XZ are not perpendicular.

Therefore, Lydia's assertion that ΔXYZ is a right triangle is not correct.

Option (4) will be the answer.

5 0
3 years ago
Find the difference quotient of f(x)=5x+4
Aleonysh [2.5K]
The differnce quotient is basically taking the derivitive (result will be f'(x)=5, but anyway)

here is the disffernce quotient
lim_{h\rightarrow0}\frac{f(x+h)-f(x)}{h}

so
for your equation
lim_{h\rightarrow0}\frac{(5(x+h)+4)-(5x+4)}{h}
lim_{h\rightarrow0}\frac{5x+5h+4-5x-4}{h}
lim_{h\rightarrow0}\frac{5h}{h}
h's cancel and you are left with 5
the differnce quotient is 5
6 0
3 years ago
What does 4.57x0.08
jeka57 [31]

Answer:

0.3656 :)

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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