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alexgriva [62]
2 years ago
11

Determine if y=-2x-7 and -y=2x+13 are parallel, perpendicular, coincide or none of these

Mathematics
1 answer:
Goryan [66]2 years ago
4 0
If you move the negative on the left side of the second equation over to the right side, then we can see that the equation is equivalent to y={-2x} - 13.

Remember that an equation y = mx + b represents a line with slope m and y-intercept b. Since both equations given have a slope of -2, but have different y-intercepts, they are parallel.
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See attachment below
KatRina [158]

Answer: Third Option

x=1.469743

Step-by-step explanation:

We have the following exponential equation

3^{x+1}=15

We must solve the equation for the variable x

To clear the variable x apply the log_3 function on both sides of the equation

log_3(3^{x+1})=log_3(15)

Simplifying we get the following:

x+1=log_3(15)

To simplify the expression log_3 (15) we apply the base change property

log_b(y)=\frac{log(y)}{log(b)}

This means that:

log_3 (15)=\frac{log(15)}{log(3)}

Then:

x+1=\frac{log(15)}{log(3)}

x=\frac{log(15)}{log(3)}-1

x=1.469743

6 0
2 years ago
Help please!<br>If you know geometry please help!<br>​
tamaranim1 [39]
50+50=100

180-100=80

X=80
4 0
2 years ago
Which fraction is equivalent to negative 7 over 8 ? (1 point)
Alja [10]
The answer is -7/8\= 7/-8 Thank you!
6 0
3 years ago
Read 2 more answers
Each pound of fruit costs $4. Write an expression that shows the total cost of fruit use the variable you identified in the ques
Gnesinka [82]
The expression would be j • $4
5 0
3 years ago
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Find the product using model or drawing
Ganezh [65]

Answer:

1.2/15

2.4/11

3.1/12

4.2/23

5.3/10

6.51

7. 1

8.30

9.36/55

10.248/15

Step-by-step explanation:

hope it helps

5 0
2 years ago
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