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3 years ago

HELP ME PLS I NEED HELP

Mathematics

2 answers:

steposvetlana [31]3 years ago

4 0

Divide using long division. The whole number portion will be the number of times the denominator of the original fraction divides evenly into the numerator of the original fraction, and the fraction portion of the mixed number will be the remainder of the original fraction division over the denominator of the original fraction.
5 1/3

kolezko [41]3 years ago

4 0

Answer:

Step-by-step explanation:

You muliply the denominater with the whole number first, so like 3 times 5 equals 15. Then you simply add 15 to the numerator which is 1 giving you 16 over 3 as your answer. Hope this helps :)

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A circular fence is being placed around a tree. The diameter of the fence is 4 feet. How much fence is used around the tree? Lea

Step2247 [10]

Answer:

8π

Step-by-step explanation:

If we are given the diameter of this circular fence, then we can solve for the radius. Just take the diameter of 4 and divide by 2 which is 2.

The circumference of a circle is 2πr²

Just plug in the variables and you get 2π(2)² which is 8π

Hope this helps! :)

5 0

3 years ago

NO LINKS OR FILES ONLY ANSWER IF YOU KNOW IT PLEASE

agasfer [191]

Answer:

Step-by-step explanation:

100% is the whole graph so 23% of 100 is 23

5 0

3 years ago

Adair needs $21,150 to purchase a boat. How much money will you need to invest today in a savings account earning 3.2% interest,

emmasim [6.3K]

A=x(1+r/n)^nt
21150=x(1+0.032/12)^84
21150=x(1+0.0026666)^84
21150=x(1.002666666)^84
21150=x(1.25069809)
21150/1.25069809=x
16910.56=x

Hope this helps!

8 0

3 years ago

Assume that 200 babies are born to 200 couples treated with the XSORT method of gender selection that is claimed to make girls m

JulsSmile [24]

Answer:

a) test statistic = 2.12

b) p-value = 0.017

c) we reject the Null hypothesis

Step-by-step explanation:

Given data :

N = 200

girls (x) = 115 , Boys = 85

p = x / n = 115 / 200 = 0.575

significance level ( ∝ ) = 0.1

aim : test whether the proportion of girls births after the treatment is greater than 50% that occurs without any treatment .

A) Determine the test statistic

H0 : p = 0.5

Ha : p > 0.5

to determine the test statistic we will apply the z distribution at ( ∝ ) = 0.1

Z - test statistic = ( 0.575 - 0.5) / $\sqrt{0.5*0.5 / 200}$ = 2.12

b) determine the p-value

The P-value can be determined using the normal standard table

P-value = 1 - p(Z< 2.12 ) = 1 - 0.9830 = 0.017

c) Given that the p value ( 0.017 ) < significance level ( 0.1 )

we will reject the H0 because there is evidence showing that proportion of girls birth is > 50%

3 0

3 years ago

If Jaime is riding at 14 miles per hour and Cori is riding at 0.40 km per minute, how far will each of them bike in two hours? 1

user100 [1]

Answer:

just take speed =distance ÷time

dustance is speedxtime

14x1.61=22.54÷60 to change to min =0.37km per minute

0.40x0.37= 0.148 km

perhaps I may get wrong

5 0

3 years ago