If two congruent angles form supplementary, they are acute angles true or false

Mathematics

1 answer:

juin [17]3 years ago

4 0

Answer:

false

Step-by-step explanation:

No, two acute angles cannot form a supplementary angle. By definition, acute angles are the angles that measure the angle greater than 0° and less than 90°. ... Example: 80° +60° = 140° which is not a supplementary angle. But, in the case, if we add more than two acute angles, we can get supplementary angles.

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an artificial lake is in the shape of a rectangle and has an area of 9/20 square mile. the width of the lake is 1/5 the length o

Gnom [1K]

X=length
y=width
Area (rectangle)=length x width
we suggest this system of equations:
y=x/5
xy=9/20
solve this system of equations by substitution method:
x(x/5)=9/20
x²/5=9/20
Least common multiple=20
4x²=9
x²=9/4
x=⁺₋√(9/4)
we have two solutions:
x₁=-3/2 it does not validate
x₂=3/2 ⇒y=x/5=(3/2)/5=3/10

The dimensions of the lake are:
lengh=3/2 miles
width=3/10 miles

to check:
Area=3/2 miles x 3/10 miles=9/20 miles².
width is 1/5 the length of the lake ⇒ 3/10 miles=(3/2) /5 miles

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Which numbered choice shows a set of numbers whose product is -20 and whose sum is +1?

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The yield from silver queen was compared to the yield of country gentlemen. Note: Differences were taken by taking Silver Queen

Mumz [18]

Answer:

$-0.223 \leq \mu_{sylver} -\mu_{Country} \leq 0.988$

We can conclude that the difference between the two means are between -0.223 and 0.988.

And for this case the confidence interval contains the value of 0 so then we have enough evidence to conclude that we don't have significant difference between the means of Silver Queen and the Country Gentlemen.

Step-by-step explanation:

For this case we have the following interval for the difference between Silver Queen - Country Gentlemen:

$-0.223 \leq \mu_{sylver} -\mu_{Country} \leq 0.988$

We can conclude that the difference between the two means are between -0.223 and 0.988.

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4 years ago