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3 years ago

1/4 subtract by 1 1/2

Mathematics

2 answers:

Harman [31]3 years ago

4 0

Answer:

Step-by-step explanation:

1.5 - 0.25 = 1.25 = 1 1/4

kogti [31]3 years ago

4 0

We can turn both fractions into decimals.

1/4 = 0.25

1 1/2 = 1.5

Subtract.

0.25 - 1.5 = -1.25

Turn back into a fraction.

-1.25 = -1 1/4

Best of Luck!

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Please help me find the answer and explain the process to find the answer of the problem appreciate it :)

Natalka [10]

Answer:

Total distance traveled is 67.653 miles

Step-by-step explanation:

Side a = 14 (miles traveled South)

Side b = 25 (miles traveled East)

side c = $a^{2} + b^{2}$

196 + 625 = $c^{2}$

821 = $c^{2}$

$\sqrt{821} = \sqrt{c^{2} }$

c = 28.653 (rounded to the nearest 1000th)

Now add the three sides to get the total distance:

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3 years ago

Which critical value is appropriate for a 99% confidence level where nequals17, sigma is unknown, and the population appears

My name is Ann [436]

Answer:

t Subscript alpha divided by 2 = 2.921

Step-by-step explanation:

With sample sizes lower than 30, we use the t-test.

Otherwise, we use the z-test.

Here, n = 17

So we use the t-test.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 17 - 1 = 16

Now, we have to find a value of T, which is found looking at the t table, with 16 degrees of freedom(y-axis) and a confidence level of 0.99( $t_{1 - (\frac{1-0.99}{2}}) = 0.995$ ). So we have T = 2.921

So the correct answer is:

t Subscript alpha divided by 2 = 2.921

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3 years ago

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Answer:

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3 years ago

Suppose you are given information about a triangle according to SSS, SAS, and ASA. For which of these can you immediately use th

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Answer:

SSS and SAS

Step-by-step explanation:

Law of cosines: The law of cosines is used for calculating one side of a triangle when the angle opposite and the other two sides are known.

If the information about a triangle according to SSS, SAS and ASA is given, then we will immediately use SSS and SAS by using the law of cosines to find one of the remaining measures because Law of cosines is applied if we know one angle opposite and the other two sides.

Also, in ASA, we know two angles and one side, thus we cannot use Law of cosines in this, rather Law of sines can be accurately use in this case.

if you have two sides, encroaching an angle, then the Law of Cosines can be used to find a missing side, thus SAS will work fine for that, now, if you have no angles given, but you know all sides, you can use the Law of Cosines as well, by solving it for the angle, and get the angles, on which case, SSS will do... .now as far as ASA, if you have two angles and one side known, then... that's not very workable for the law of cosines

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3 years ago

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A point (a, b) in the second Quadrant, is any point where a is negative and b is positive.

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3 years ago