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3 years ago

PLS HELP ME WITH THE ANSWER !!!

Mathematics

2 answers:

Sladkaya [172]3 years ago

7 0

Answer: m is less than or equal to -7

Step-by-step explanation:

Tema [17]3 years ago

4 0

Step-by-step explanation:

$-2m - 3 \leq 11$

$-2m \leq 14$ (adding 3 to both sides)

$m\geq -7$ (dividing by a negative switches the sign around)

Hope this helps!

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If i pay 1.59 for 12 taco shells? whats the answer please?

Inessa [10]

Answer:

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Step-by-step explanation:

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3 years ago

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What is the equation of a quadratic function p with rational coefficients that has a zero of 3-i

Kryger [21]

Answer:

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Step-by-step explanation:

Complex roots come in conjugate pairs. So if 3−i is a root, then 3+i is also a root.

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p = x² − (3+i)x − (3−i)x + (3−i)(3+i)

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You can check your answer using the quadratic formula.

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6 0

3 years ago

There is no prior information about the proportion of Americans who support the gun control in 2018. If we want to estimate 99%

Romashka-Z-Leto [24]

Answer: 13

Step-by-step explanation:

If the prior population proportion is unavailable then the formula to find the sample size is given by :-

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

, where z* = Critical z-value

E = margin of error

Let p be the proportion of Americans who support the gun control in 2018.

As per given , we have

Confidence level = 99%

The critical z-value for 99% confidence interval is 2.576 ( BY z-table)

Margin of error : E= 0.36

Since there no prior information about the proportion of Americans who support the gun control in 2018.

So , the required sample size to estimate 99% confidence interval would be:

$n=0.25(\dfrac{2.576}{0.36})^2=0.25(7.16)^2$

$n=0.25(51.2656)=12.8164\approx13$

Hence, 13 Americans should be surveyed.

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3 years ago

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grigory [225]

Answer:

Step-by-step explanation:

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Have a good day and a good rest of your week!

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3 years ago