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Lina20 [59]
3 years ago
7

8. Solve the following for z: b = dz + g

Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
3 0

Answer:

\: z =  \frac{b - g}{d}

Step-by-step explanation:

b = dz + g \\ b - g = dz \\  \frac{b - g}{d}  = z \\ hence \: z =  \frac{b - g}{d}

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Which number is a factor of 18 but not a multiple of 9
netineya [11]

Answer:

1,3,9

Step-by-step explanation:


3 0
3 years ago
The theoretical probability of landing on blue on a single spin of a spinner with 1 purple, 1 blue , 1 red , and 1 orange sectio
erik [133]

Hey there!

\large\boxed{25\%}

Assuming that all the sections are the same size, there are four sections of equal size.

Blue would be one out of those four sections, so the probability is 1/4. In decimal form this is .25, and as a percent this is 25%.

Hope this helps!

5 0
3 years ago
Read 2 more answers
Question text You have just won the lottery. The Lottery Corporation offers you two options: 1. a lump-sum payment of $400,000,
igomit [66]
Use present value equation.
If present value of annuity equals 400,000, then you are indifferent.

PV = A(v + v^2 + ...v^{20}) \\  \\ PV = A\frac{v(1-v^{20})}{1-v}

where v = 1/(1+r) and  A = annual payment = 800,000/20 = 40,000

PV = 400,000
After subbing in the numbers, the equation is:
10 = \frac{v(1-v^{20})}{1-v} \\  \\ 10 - 10v = v - v^{21} \\  \\ v^{21} - 11v+10 = 0 \\  \\ v = 0.928034 \\  \\ \frac{1}{1+r} = 0.928034 \\  \\ r = 0.0775

Therefore at interest rate of about 7.75% you are indifferent.
6 0
4 years ago
A cell phone company charges a monthly fee plus $0.25 for each Text message. The monthly fee is $30.00 and you owe $59.50. How m
Travka [436]
They charge $30 per month as a base so that is y
They also charge $0.25 per text message, this is x

so $0.25x+$30y=$59.50
first subtract 30 from both sides to get x alone
$0.25x=$29.50
To find amount of text messages sent, we have to divide
$29.50/$.25
29.50/.25=118
This person sent 118 text messages
5 0
3 years ago
Plzzzz help asap
vlabodo [156]
(x,y) or
(x,f(x))
so just plug the first value in and see if yo get the 2nd value


A. when x=-2, then is f(x)=48?
remember, x^-m=1/(x^m)
3(1/4)^-2=3/((1/4)^2)=3/(1/16)=3*16=48
true

B. x^0=1
so 3(1/4)^0=3(1)=3
true

C. when x=2
3(1/4)^2, 3(1/16), 3/16
true

D. 12
das is obviously false but anyway
3(1/4)^12=3(1/big number)=3/big number=small number but not zero



answer is A,B,C
5 0
3 years ago
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