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Rom4ik [11]
3 years ago
6

Plz help fast will give brainiest

Mathematics
1 answer:
kati45 [8]3 years ago
5 0

Answer:

X has to be 6 or anything bigger than that.

Step-by-step explanation:

18-12=6

Hope this helped

:)

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The cost for 7 dance lessons is 82$. The cost for 11 lessons is 122$. Write and solve an equation to find the cost of 4 lessons
Juliette [100K]

Answer:

$52

Step-by-step explanation:

Using the equation

y=mx+c

82=7x+c

122=11x+c

11x-7x=122-82

4x=40

x=10

To get c

82=7(10)+c

82-70=c

c=12

For 4 lessons

y=10(4)+12=52

6 0
3 years ago
4^(4x-1)=32 <br><br> How do I solve this problem? Do I do 4 to the fourth power first?
yKpoI14uk [10]

Answer:

\large\boxed{x=\dfrac{7}{8}}

Step-by-step explanation:

4^{(4x-1)}=32\\\\(2^2)^{4x-1}=2^5\qquad\text{use}\ (a^n)^m=a^{nm}\\\\2^{2(4x-1)}=2^5\iff2(4x-1)=5\ \ \text{use the distributive property}\ a(b+c)=ab+ac\\\\(2)(4x)+(2)(-1)=5\\\\8x-2=5\qquad\text{add 2 to both sides}\\\\8x=7\qquad\text{divide both sides by 8}\\\\x=\dfrac{7}{8}

7 0
3 years ago
Read 2 more answers
Please answer ASAP<br> Thank you so much!!!!
anzhelika [568]

Answer:

See below

Step-by-step explanation:

Grade is slope =  rise / run

a) horizontal distance 1400 ft  (run)     vertical distance = 40 ft  (rise)

        40 / 1400 = 2.85%

b)   rise / run  =    805.58 / 13780 = 5.84%

3 0
2 years ago
Write the ordered pair that represents yzThen find the magnitude of yz.<br> Y(5,0), Z(7,6)
Annette [7]

Answer: (2,6) ; 2sqrt10 units

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
I need answers quick thanks
Tema [17]
B :) open circle means inequality and it needs to be at least 3 so the line has to increase, meaning the arrow is going right.
8 0
2 years ago
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