1 year ago

What's 1.21 divided by 1.1

1 answer:

3 0

Recall that a number with a comma could be written as a fraction as follows: If the number has a certain amount of decimals, you write the fraction as the same number without the comma, divided by 1 followed by as many zeros as decimal

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i need help on a story problem? Jason ran 5/7 of the distance around the school track. Sara ran 4/5 of Jason's distance. What fr

julia-pushkina [17]

The first thing you do is to find the lowest common multiple of 5 and 7.What you do on the bottom, you must do on the top 25/35 / 28/35. The answer is 25/28. Sara ran 25/28 of the total distance around the track.

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3 years ago

A pyramid has a regular hexagonal base with side links of four and a slant height of six. Find the total area of the pyramid

vova2212 [387]

Area of the Base = 6 * side^2 / 4 * tan (180/6)

Area of the Base = 6 * 16 / 4 * 0.57735

Area of the Base = 96 / 2.3094

Area of the Base = 41.5692387633

Area of 1 Face = 2 * 6 = 12

Area of 6 Faces = 72

Total Area = 41.5692387633 + 72

Total Area = 113.5692387633

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3 years ago

R:{(1,2),(1,−2),(−2,3)} Is this a function?

sdas [7]

Answer:

No, it is not a function because one of the x values have two different y values

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3 years ago

Find the two straight lines represented by x² + 5xy - 6y² = 0

Andreyy89

By factorizing, we have

$x^2 + 5xy - 6y^2 = (x - y) (x + 6y) = 0$

so that

$x - y = 0 \implies \boxed{y = x}$

$x + 6y = 0 \implies \boxed{y = -\dfrac x6}$

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1 year ago

A student wondered if more than 10% of students enrolled in an introductory Chemistry class dropped before the midterm. He noti

Ilia_Sergeevich [38]

Answer:

C.It is a one-tailed test since the alternative hypothesis states that the parameter is greater than the hypothesized value.

Step-by-step explanation:

Let p be the percentage of students enrolled in an introductory Chemistry class dropped before the midterm. Then null and alternative hypotheses are:

$H_{0}$ : p=10%

$H_{a}$ : p>10%

The alternative hypothesis states that the parameter is greater than the hypothesized value.

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2 years ago