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user100 [1]
3 years ago
11

How many solutions exist for the system of equations graphed below

Mathematics
2 answers:
joja [24]3 years ago
5 0
The number of solutions that <span>exist for the system of equations is equal to the number of independent linear equations that consist the matrix. For example, in order to find the values of two independent variables, then we have to provide two independent equations according to law of degree of freedom.</span>
tatiyna3 years ago
5 0

Answer:

Which point is in the solution set of the given system of inequalities?

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Step-by-step explanation:

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Soft drink consumption in New Zealand. A survey commissioned by the Southern Cross Healthcare Group reported that 16% of New Zea
lidiya [134]
<h2>Answer with explanation:</h2>

Given : The proportion of New Zealanders consume five or more servings of soft drinks per week :\hat{p}= 0.16

a) The number of survey respondents reported that they consume five or more servings of soft drinks per week = 2006

b) Confidence interval for population proportion (p) :

\hat{p}\pm z^*\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

, where \hat{p} = Sample proportion.

n= Sample size.

z* = Critical value.

For n= 2006 , \hat{p}= 0.16 and critical value for 95% confidence interval : z* = 1.96

Then , the required confidence interval will be :

0.16\pm (1.96)\sqrt{\dfrac{ 0.16(1- 0.16)}{2006}}

0.16\pm (1.96)\sqrt{ 0.000066999002991}

0.16\pm (1.96)(0.00818529186963)

0.16\pm 0.0160431720645

(0.16-0.0160431720645,\ 0.16+0.0160431720645)

(0.143956827935,\ 0.176043172064)\approx(0.144,\ 0.176)

i.e. A 95% confidence interval for the proportion of New Zealanders who report that they consume five or more servings of soft drinks per week. = (0.144,\ 0.176)

c) (0.144,\ 0.176)=(0.144\times100\%,\ 0.176\times100\%)

=(14.4\%,\ 17.6\%)176\times100\%)[/tex]

d) The estimate might be biased because the survey is taken online that means offline New Zealanders are out of consideration.

6 0
3 years ago
Find the product. (3.2)(6.4)
vfiekz [6]
Answer:

20.48

The parentheses just means multiplication.
8 0
2 years ago
What is at the end of a rainbow? Unscramble the answer to this riddle and explain below. EHT RTTLEE W
icang [17]

Answer:

The Letter W

Step-by-step explanation:

EHT- The

RTTLEE- Letter

W- W

W is at the end of a rainbow.

8 0
3 years ago
You are buying hamburgers and french fries for lunch for you and your friends. It costs $3 for a hamburger and $2 for a basket o
quester [9]

Answer:

both

Step-by-step explanation:

$3x2=$6(for hamburgers) and $2x2=$4(basket of fries.)

6 0
3 years ago
6.4 x 1.2 show your work
zimovet [89]

Answer:

7.68

Step-by-step explanation:

8 0
2 years ago
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