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Norma-Jean [14]
2 years ago
7

What is an even number?

Mathematics
2 answers:
Paha777 [63]2 years ago
6 0

Answer:

2,4,6,8,10,12,14 and so on

Step-by-step explanation:

A even number is a number that you can divide in half evenly

Maksim231197 [3]2 years ago
6 0

An even number is any number that ends in a digit divisible by two.

For example... 24 ends in 4. 4 is divisible by 2, so it's even

More examples... 45 ends in a 5. 5 is not divisible by 2, so 45 is not even

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mart [117]

Answer:

Opens upward

Step-by-step explanation:

Since the coefficient of x^{2} is a positive number +8, then it is a parabola that opens upward

5 0
2 years ago
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Solve the inequality 3x - 5 &lt; 4.
lbvjy [14]
<span>3x - 5 < 4.

Add 5 to both sides, 
3x < 9

Divide 3 from both sides, 
x < 3

Hope this helps!</span>
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Help plea i am beg screenshot in
stiv31 [10]

Answer:

SA = 105 in^2

Step-by-step explanation:

To find surface area, find the area of all the shapes and add it all together. This shape has 4 triangle faces. They are all the same. So we can find one of them and times by 4.

Area of a triangle:

A = 1/2b•h

= 1/2• 5 • 8

= 1/2 • 40

= 20

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4•20

= 80

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= 25

Add the areas:

80 + 25

= 105 sq in

7 0
2 years ago
The total cost of $4 sharpeners and $7 folders is $30.05. If the cost of a sharpener is $a, and a folder is $2.80 more expensive
raketka [301]

9514 1404 393

Answer:

  a = $0.95

Step-by-step explanation:

The cost of a sharpener is 'a', and the cost of a folder is $2.80 more, so is a+2.80. The total cost of 4 sharpeners and 7 folders is ...

  4a +7(a+2.80) = 30.05

  11a = 10.45 . . . . . . . . . . . subtract 19.60

  a = 0.95 . . . . . . . . . . . divide by 11

The cost of a sharpener is a = $0.95.

7 0
2 years ago
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
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