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Sidana [21]
3 years ago
6

Can you do numbers 2 and 4 please?

Mathematics
2 answers:
matrenka [14]3 years ago
5 0
Question is 2 is -2,3 and I’m sorry but I don’t know number 4
solmaris [256]3 years ago
3 0

Answer:

Question 2 I believe is (-2,3)

-----------------------------------------------------------------------------------------------------------------

Question 4

Independent variable-  the number of minutes mike uses on his cell phone

Dependent Variable- The number of minutes that are left

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What value of x makes the equation 3(x - 6) - 8x = -2 + 5(2x + 1) true ?
Romashka-Z-Leto [24]

Answer:

x = -3

Step-by-step explanation:

3(x - 6)= -2 + 5(2x + 1)

= 3x - 18 = -2 + 10x + 5

= -18 = -2 + 7x + 5

= -18 = 7x + 3

= -21 = 7x

= -3 = x

= x = -3

5 0
3 years ago
What the answer to this <br><br><br> -3+u=-20
yawa3891 [41]
- 3 + u = - 20

u = - 20 + 3

u = -17 

hope this helps!.
5 0
3 years ago
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A roller coaster begins at 418 feet above sea level. Then it descends 384 feet. What is the height of the roller coaster after i
Ainat [17]

Answer:

34 feet

Step-by-step explanation:

418 - 384 = 34 feet above sea level

3 0
3 years ago
The area of a circle is 16π cm2. What is the circle's circumference?
agasfer [191]

Answer:

C = 8 pi cm

Step-by-step explanation:

The area of a circle is given by

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16 pi = pi r^2

Divide each side by pi

16 = r^2

Taking the square root

4 = r

The circumference is

C = 2 * pi *r

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C = 8 pi cm

4 0
2 years ago
Y=1/2x+3<br> -x+27=-6 <br><br> solve using substitution
Nat2105 [25]

Answer:

y= 19.5    x=33

Step-by-step explanation:

-x + 27= -6

(subtract 27 on both sides)

-x= -33

(divide by negative 1 on both sides)

x= 33

(substitute x into the first equation)

y= 1/2x + 3

y= 1/2(33) +3

y= 16.5 +3

y= 19.5

hope this helps :))

3 0
3 years ago
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