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4 years ago

How are the number 342 and 324 alike

Mathematics

2 answers:

S_A_V [24]4 years ago

8 0

They are alike because the one's and tens places are switched.

Cerrena [4.2K]4 years ago

3 0

They are both evens, both 3 digit numbers, they contain the same integers, and the sum of the digits of both add to 9

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How long will it take you to ski a distance of 25 miles at a speed of 2.5 miles per 30 minutes

lawyer [7]

Answer:

62 .5 minutes or 1 hr, 2 min, and 24 sec.

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

An automobile manufacturer claims that its car has a 57.7 miles/gallon (MPG) rating. An independent testing firm has been contra

vampirchik [111]

Answer:

The value of test statistic

|Z| = |-2.2883| = 2.2883

Step-by-step explanation:

Step(i):-

Given that the mean of the Population = 57.7miles/gallon

The standard deviation of the Population = 1.9

The mean of sample x⁻ = 57.4

Given that the sample size 'n' =210

level of significance = 0.1

Step(ii):-

Test statistic

$Z = \frac{x^{-}-mean }{\frac{S.D}{\sqrt{n} } }$

$Z = \frac{57.4-57.7}{\frac{1.9}{\sqrt{210} } }$

Z = -2.2883

|Z| = |-2.2883| = 2.2883

Final answer:-

The value of test statistic

|Z| = 2.2883

7 0

3 years ago

Y=1/3x-2/3 in standard form

aliya0001 [1]

Answer:

-⅓x + y = -⅔

Step-by-step explanation:

y = ⅓x - ⅔ → Slope-Intercept Form

-⅓x -⅓x

------------

-⅓x + y = -⅔ → Standard Form

I am joyous to assist you anytime.

5 0

3 years ago

Which number is the largest? A. 20.999 B. 21.767 C. 21.76 D. 21.80 E. 21.798

Elza [17]

Answer:

21.80

Step-by-step explanation:

3 0

2 years ago

Given that g(x)=3x-7 Find the value of k <img src="https://tex.z-dn.net/?f=g%5E%7B2%7D%20%284k%2F3%29%3D8" id="TexFormu

frez [133]

Answer:

{ $\frac{7}{4}$ - $\frac{\sqrt{2} }{2}$ , $\frac{7}{4}$ + $\frac{\sqrt{2} }{2}$ }

Step-by-step explanation:

ax² + bx + c = 0

$x_{12}$ = ( - b ± $\sqrt{b^2 -4ac}$ ) ÷ 2a

~~~~~~~~~~~

g(x) = 3x - 7

g²(x) = (3x - 7)²

g²(x) = 9x² - 42x + 49

g²( $\frac{4k}{3}$ ) = 9( $\frac{4k}{3}$ )² - 42( $\frac{4k}{3}$ ) + 49

9( $\frac{4k}{3}$ )² - 42( $\frac{4k}{3}$ ) + 49 = 8

16k² - 56k + 41 = 0

a = 16 , b = - 56 , c = 41

D = b² - 4ac = ( - 56)² - 4(16)(41) = 512 = $2^{9}$

$k_{1}$ = ( 56 + √ $2^{9}$ ) ÷ 32 = $\frac{7}{4}$ + $\frac{\sqrt{2} }{2}$

$k_{2}$ = $\frac{7}{4}$ - $\frac{\sqrt{2} }{2}$

3 0

3 years ago