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IRINA_888 [86]
3 years ago
15

Solve for z. az + 17 = -4z – b.

Mathematics
1 answer:
Harrizon [31]3 years ago
5 0

Answer:

z = -b - 17 / ( a + 4 )

Step-by-step explanation:

az + 17 = -4z – b

collect like terms

az + 4z = -b -17

z( a + 4 ) = - b - 17

Divide both sides by ( a  + 4 )

z = -b - 17 / ( a + 4 )

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KengaRu [80]

Answer:

47

Step-by-step explanation:

$460 + $90 = $550

4 x $20 = $80

$550 - $80 = $470

$470/10 = 47

they have to wash 47 cars

4 0
3 years ago
The distribution of the weights ofloaves of bread from a certain bakery follow approximately a normaldistribution. Based on a ve
slega [8]

Answer:

D)

Step-by-step explanation:

ASSUMING NORMAL DISTRIBUTION, LESS THAN 10% AT LOWER END

OF 15.34 MEANS     [DENOTING MEAN BY M AND Standard Deviation. BY S]

M±AS=20%....................M-AS=15.34

FOR 20% LEVEL .......A=1.281........FROM TABLES

M-1.281×S=15.34............................1

SIMILARLY

M±BS=40%...................M+BS=16.31

FOR 40% LEVEL .............B=0.841...................FROM TABLES

M+0.841×S=16.31.............................2

EQN.2 - EQN.1

2.122×S=0.97

S=0.457=0.46

M=15.926= 15.93

HENCE, D IS THE ANSWER

that is D. μ = 15.93, σ =.46

8 0
3 years ago
A liter is equal to 100 centiliters.Is a centiliter a greater measure than a milliliter. Explain
borishaifa [10]
Yes. It takes more milliliters than centiliters to fill a liter.
6 0
3 years ago
Read 2 more answers
19.
dmitriy555 [2]

Answer:

293 feet per second

Step-by-step explanation:

1056000 feet per hour

1 hour = 60 minutes

1056000 divided by 60 = 17600 feet per minute

1 minute = 60 seconds

17600 divided by 60 = 293 feet per second

5 0
3 years ago
find the distance of CD if the coordinates of C are (-4,11) and D are ( -3,4) Express your answer in simplest radical form.
Aloiza [94]

Step-by-step explanation:

it's not clear but I tried

4 0
2 years ago
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