18= 3/4d + 6
I keep getting that d=9 but it doesn't check right plz help

Answers

Answer 1
Answer: 18 = 3/4d + 6

First, we can start out by making our goal to get the variable (d) by itself on one side. Let's begin by simplifying the fraction and the variable with each other.
18 =  (3d)/(4)

Second, we can now start our journey to get the variable by itself. Subtract 6 from each side.
18 - 6 =  (3d)/(4)

Third, let's subtract 18 - 6 to get 12.
12 =  (3d)/(4)

Fourth, let's continue by multiplying both sides by 4. 
12 * 4 = 3d

Fifth, we can now multiply 12 times 4 to get 48. This can be done by using a calculator, etc.
48 = 3d

Sixth, we can divide each side by 3. We officially got the variable (d) by itself, so our goal is completed and all we need to do is simplify our fraction we just got.
(48)/(3) = d

Seventh, our last step is to simplify our fraction. In simpler words, what multiples with 3 to equal 48? (3 times 16 = 48), so 48 is our answer. We can also switch sides.
d = 16 

Answer: \fbox {d = 16}

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Answers

1 cubic centimeter = 1 milliliter, so your 8cm cube is 8x8x8 = 512 cubic centimeters. 
This would equate to a volume of 512 milliliters which is equal to just over 1/2 liter (0.512 liters). 


One cellular phone carrier charges 26.50 a month plus .15cents a minute. Another carrier charges 14.50 a month plus .25 cents a minute. For how many minutes is the cost of the plans the same? Please show work thanks

Answers

i'm going to use m for minutes
Cell carrier 1
0.15 per minute (0.15m)
$26.50 first, and then add on for every minute

cost carrier 1 = 0.15m + 26.50

carrier 2
0.25 per minute (0.25m)
$14.50 first, and then add on for every minute. 

cost carrier 2 = 0.25m + 14.50 

to find out when they cost the same, make the two costs equal to each other:

0.15m + 26.50 = 0.25m + 14.50

all that's left is to solve for m

0.15m + 26.50 = 0.25m + 14.50
subtract both sides by 0.15 m
26.50 = 0.2m + 14.50
subtract both sides by 14.50
12 = 0.1 m 
divide both sides by 0.1
m = 120

the phone carriers will have the same cost at 120 minutes


Define the rates of each carrier:

(1) $26.50 + $0.15m
(2) $14.50 + $0.25m

Set the two equations equal to each other and solve for m minutes . . .

26.50 + 0.15m = 14.50 + 0.25m

26.50 - 14.50 = 0.25m - 0.15m

12.00 = (0.25 - 0.15)m

12 = 0.10m

m = 12/0.10 = 120

m = 120 minutes

4h - 6= 22-8s + 1= 33
-4w - 4= 8
5 +1/7b = -2
i need help on these problems!

Answers

4h−6=22
1. Add 6 to both sides.
4h−6+6=22+6
4h=28
2.Divide both sides by 4.
4h/4=28/4
h=7

−8s+1=33
1: Subtract 1 from both sides.
−8s+1−1=33−1
−8s=32
2: Divide both sides by -8.
−8s/−8=32/−8
s=-4


4w
−4
=8
Step 1: Add 4 to both sides.
4w−4+4=8+4
4w=12
2: Divide both sides by -4.
4w/−4=12/−4
w=−3


Step 1: Simplify both sides of the equation.

1/7b+5=−2
 2: Subtract 5 from both sides.
1/7b+5−5=−2−5
17b=−7
3: Multiply both sides by 7.
7*(1/7b)=(7)*(−7)
b=−49

G(1)=0
g(2)=5
g(n)=g(n-2)+g(n-1)

g(3)=

Answers

Answer:

g(3) = 5

Step-by-step explanation:

g(3) = g(3-2) + g(3-1) = g(1) + g(2) = 0 + 5 = 5

Answer:

g(3)=5

Step-by-step explanation:

Khan

What property is shown in the equation?  –53 ÷ 1 = –53   A. division into zero property   B. identity property of division   C. negative one property of division   D. reciprocal property

What property is shown in the equation? 5ac = 5ca   A. Identity Property of Multiplication   B. Reciprocal Property of Multiplication   C. Zero Property of Multiplication   D. Commutative Property of Multiplication

Answers

The first one is negative one property of division, I think.
The second one is commutative property of multiplication.

How is upper and lower quartile and extreme called

Answers

If you mean the name of upper and lower, it would be the interquartile range (IQR). 

The upper and lower is determined by finding the median and making 2 groups either on the left and right of the median if the data set is a odd number, and finding median of those groups

The extreme is the minimum and maximum ranges, on how far the data set number ranges.