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Hoochie [10]
2 years ago
8

The line ax − by + 3 = 0 is parallel to the line 3x + 2y − 4 = 0 and passes through the point (1, −2). Find a and b.

Mathematics
1 answer:
Igoryamba2 years ago
7 0

Answer:

a=9

b=-6

Step-by-step explanation:

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Identify an equation in slope intercept form for the LINE parrelel to y=5x+2 that passes through - 6,-1
nlexa [21]

Answer:

y = 5x-1

Step-by-step explanation:

parallel lines have the same slope.

y intercept: -1

slope: 5

- 1 is the same as +-1

so, y = 5x-1

7 0
3 years ago
HEEELLLLLPPPPPPPPPPPP!!!!!!!
Mademuasel [1]

Answer:

2x³ + 11x² + 8x - 16

Step-by-step explanation:

Multiply:

(x + 4) (2x² +3x - 4)

2x³ + 3x² - 4x + 8x² + 12x - 16

Combine like terms:

2x³ + 11x² + 8x - 16

4 0
3 years ago
Ations with the Distributive Property<br> Solve the equation.<br> -3(y + 5)= 15
AlekseyPX
Y=-3 it is the answer.
6 0
3 years ago
A marketing firm is asked to estimate the percent of existing customers who would purchase a "digital upgrade" to their basic ca
Ugo [173]

Answer: A. 664

Step-by-step explanation:

Given : A marketing firm is asked to estimate the percent of existing customers who would purchase a "digital upgrade" to their basic cable TV service.

But there is no information regarding the population proportion is mentioned.

Formula to find the samples size , if the prior estimate to the population proportion is unknown :

n=0.25(\dfrac{z*}{E})^2

, where E = Margin of error.

z* = Two -tailed critical z-value

We know that critical value for 99% confidence interval = z*=2.576  [By z-table]

Margin of error = 0.05

Then, the minimum sample size would become :

n=0.25(\dfrac{2.576}{0.05})^2

Simplify,

n=0.25\times2654.3104=663.5776\approx664

Thus, the required sample size= 664

Hence, the correct answer is A. 664.

5 0
3 years ago
Store a sells 12 juice bottles for 4 and stor b sells 18 bottles for 6 dollars are they equivalent
patriot [66]

Answer:

Yes

Step-by-step explanation:

They are equivalent because they both have the GCF of 3.                                             3x4=12                            3x6=18


Hope it helps!

8 0
3 years ago
Read 2 more answers
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