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VladimirAG [237]
2 years ago
13

Are All rectangles are quadrilaterals? Explain.

Mathematics
2 answers:
nadezda [96]2 years ago
6 0

Answer:

yes because all rectangles have 4 sides

alisha [4.7K]2 years ago
6 0

Answer:

yes

Step-by-step explanation:

A quadrilateral is any polygon with four sides. Every rectangle is a quadrilateral because all rectangles <u>must </u>have four sides, which is the definition of a quadrilateral.

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An 11-ft ladder leans against the side of a house. The bottom of the ladder is 9-ft from the side of the house. How high is the
bulgar [2K]

Answer:

6.3 ft.

Step-by-step explanation:

This requires the pythagorean theorem: a^2+b^2=c^2 where "a" and "b" are legs and c is the hypotenuse(longest side of the triangle which is opposite to the 90 degree angle.) If we fill the equation where c is the ladder length(11) and "a" is the distance from the house(), and "b" is the height, 9^2+b^2=11^2 or 81+b^2=121. This is equivalent to b^2=40. b=6.3 when rounded to the nearest tenth.

4 0
3 years ago
Find the slope of (-7,-2) and (-4,7)
algol [13]

Answer:

9/3=3

Step-by-step explanation:

the formula is y2(7) minus y1(-2)

divided by x2(-4) minus x1(-7)

5 0
3 years ago
Read 2 more answers
Please answer this &amp;<br><br><br> will mark brainliest
zvonat [6]

Answer:

the first 1

Step-by-step explanation:

Im pretty sure

8 0
3 years ago
ou watch a roulette wheel spin 3 consecutive times and each time the ball lands in a red slot. What is the | probability that th
spayn [35]

Answer:

The probability is \frac{18}{38}=0.4736

Step-by-step explanation:

The game of roulette wheel consists in spinning a wheel with 38 slots : 18 red, 18 black and 2 green.

If we suppose that the roulette is a fair roulette, then each slot has an equal chance of capturing the ball and given that the ball lands in a red, black or green slot this event doesn't give us information about the following spin. Meaning that exists independence between each spin of the roulette wheel.

In our exercise, we spin the roulette wheel 3 consecutive times and each time the ball lands in a red slot. This doesn't give us information about the fourth spin (because of the independence).

Given that each slot has an equal chance of capturing the ball we can calculate the probability of the ball landing on a red slot on the next spin as :

P(Red)=\frac{18}{38}=0.4736

We divide the favourable cases (18 red slots) by the total cases (38 slots) in order to calculate the probability.

The probability is \frac{18}{38}=0.4736

6 0
2 years ago
What is the area of a cone that has a diameter of 45ft. and the height of the cone is 96 ft.
jarptica [38.1K]

The formula for area of a cone is A=πr(r+√h²+r²). The radius is half the diameter, so 22.5.

Plug our numbers into the formula.

A=π22.5(22.5+√96²+22.5²)

the answer is 8560.16

6 0
3 years ago
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