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4 years ago

What is 35.2 in word form?

Mathematics

2 answers:

12345 [234]4 years ago

8 0

In word form 35.2 is "Thirty five point two"

Mars2501 [29]4 years ago

6 0

You can say this in two ways...

1) "Thirty five point two"

or, because 0.2 = 2/10

2) "Thirty five and two tenths"

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enyata [817]

Answer:

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Step-by-step explanation:

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2 years ago

Jonny has 2 1/2 cupcakes and 1/4 of friends How much will each friend get

CaHeK987 [17]

youll get 2and 3/4 then divide by 2 and you get 1.0375=2 and 3/80

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3 years ago

Keiko invested 2875 in a savings account which earns 3.15 interest compounded semiannually. What will the account be worth in 7

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A=2,875×(1+0.0315÷2)^(2×7)
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4 years ago

The map below shows the location of 3 houses where you had to do lawn work today. Your truck gets 8 miles per gallon of gasoline

Brums [2.3K]

Answer:

$3.80

Step-by-step explanation:

We are given a graph showing the location of 3 houses where you had to do lawn work today, with the distances from your house.

Given that one truck gets 8 miles per gallon of gasoline and gas costs $1.52 per gallon, we are to find the total cost of the gas used.

Total distance = 7 + 3 + 4 + 6 = 20 miles

Gallons of gas used = 20 / 8 = 2.5

Total cost of gas used = 2.5 * 1.52 = $3.80

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3 years ago

The data below were obtained from an experiment were participants were given drinks with or without caffeine and then asked to t

Black_prince [1.1K]

Answer:

The 95% confidence interval is $244.26 < \mu < 246.95$

The pivot function used is

$t = \frac{\=x - \mu}{ \frac{\sigma}{\sqrt{n} } }$

Step-by-step explanation:

From the question we are told that

The data given is 246 242 248 245 250 244 252 248 248 247 250 248 246 242 248 244 245 246 250 242

The sample size is $n= 20$

Given that the confidence level is 95% then the level of significance is

$\alpha = (100 - 95)\%$

$\alpha = 0.05$

The degree of freedom is mathematically represented as

$df = 20 -1$

$df = 19$

From the student t-distribution table the critical value of $\frac{\alpha }{2}$ is

$t_{\frac{\alpha }{2} , 19 } = 2.093$

The mean is mathematically represented as

$\= x = \frac{\sum x_i}{ n}$

$\= x = \frac{246+ 242 +248+245+ 250+ 244+252+ 248 +248 +247+ 250+ 248+ 246+ 242 +248 +244 +245 +246+ 250+ 242}{20}$ $\= x = 246.6$

The standard deviation is mathematically represented as

$\sigma = \sqrt{\frac{\sum (x_i - \= x )^2)}{n} }$

$\sigma = \sqrt{\frac{(246- 246.6)^2 +(242- 246.6)^2 +(248- 246.6)^2 + (248- 245)^2+}{20} } \ ..$

$\ ...\sqrt{\frac{(250-246.6 )^2+ (244- 246.6)^2+(252- 246.6)^2+ (248- 246.6)^2+ (248- 246.6)^2+}{20} } \ ...$

$\ ..\sqrt{\frac{(247- 246.6)^2+ (250- 246.6)^2+ (248-246.6)^2+ (246-246.6)^2+ (242-246.6)^2+ (248-246.6)^2+ (244-246.6)^2+}{20} } \ ...$ $\sqrt{\frac{ (245-246.6)^2+ (246-246.6)^2+ ( 246-246.6)^2 + ( 250-246.6)^2+ ( 242-246.6)^2 +( 246-246.6)^2+ ( 242-246.6)^2 }{20} }$ $\sigma = 2.87411$