2 years ago

Determine the composition of

Mathematics

1 answer:

marta [7]2 years ago

5 0

Answer: translation B to B’

Reason: choices are translation, reflection, rotation, or dilation, this is translation

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A private opinion poll is conducted for a politician to determine what proportion of the population favors adding more national

Ksju [112]

Answer:

n≅376

So sample size is 376.

Step-by-step explanation:

The formula we are going to use is:

$n=pq(\frac{z_{\alpha/2}}{E})^{2}$

where:

n is the sample size

p is the probability of favor

q is the probability of not in favor

E is the Margin of error

z is the distribution

α=1-0.98=0.02

α/2=0.01

From cumulative standard Normal Distribution

$z_{\alpha/2}=2.326$

p is taken 0.5 for least biased estimate, q=1-p=0.5

$n=0.5*0.5(\frac{2.326}{0.06})^{2}\\n=375.71$

n≅376

So sample size is 376

4 0

3 years ago

Solve for a<br>5+14a=9a-5 a=

poizon [28]

Answer:

-2

Step-by-step explanation:

5+14a=9a-5

+5 +5

10+14a=9a

-9a -9a

10+5a=0

-5a -5a

10= -5a

÷5 ÷5

2= -a

*-1 *-1

-2=a

4 0

3 years ago

8^-3x^7y^-11/5x^-19y^17z^-14. Simplify

bazaltina [42]

Y^2/2560x^12z^14........................................

7 0

3 years ago

Please help don’t understand

Volgvan

Answer:

option b is the correct answer .

Step-by-step explanation:

=4^5×4^12

=4^17 is the answer.

3 0

3 years ago

If y varies directly with x and y is 12 when x is 9, what is x when y is 4?

Zolol [24]

Answer:

Step-by-step explanation:

y/x=12/9=4/3

when y is 4 x is 3

8 0

2 years ago