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In-s [12.5K]
3 years ago
9

A, B, C and D form the vertices of a parallelogram

Mathematics
1 answer:
Inessa05 [86]3 years ago
5 0

AB=8.7 cm. Work out the length of BC. ... 1. Adi. Diagram NOT accurately drawn. POR is a triangle. Angle Q = 90° ... Give your answer correct to 1 decimal place. ton o. Ady ... Ad. POR is a right-angled triangle. PR = 12 cm. OR = 4.5 cm. Angle PRO = 90°. ... AB= 7 cm. BC = 12 cm. Angle BAD= 65°. Calculate the length of AC.

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Jim Tree sells trees. The mean length of the trees purchased was 68 inches with a standard deviation of 10 inches. Jim wants to
Zepler [3.9K]

Step-by-step explanation:

We know that,

Z=\dfrac{X-\mu}{\sigma}

Where,

X = raw score = 84

μ = mean = 68

σ = standard deviation = 10

Putting the values,

Z=\dfrac{84-68}{10}=1.6

The percent of his sales that were less than or equal to 84 inches, is

P(Z\leq 1.6)=0.9452=94.52\%\approx 94.5\%

Therefore, the remaining 100-94.5=5.5% were more than 84 inches.

4 0
3 years ago
2 + (-10) =<br> HELP ME PLEASE T^T
Gala2k [10]

Answer:

The answer would be 8

Step-by-step explanation:

This equals 10-2=8

8 0
3 years ago
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Show that a²x²-ax+1=0 can never have real roots​
Fed [463]

Answer:

I guess you are a futarian

Step-by-step explanation:

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3 years ago
Please help me out!!!!!!!!!!!!!!!!!!<br>true or false
garri49 [273]

It is possible to have a triangle with those lengths

6 0
4 years ago
A tennis ball is in a cylindrical container. The ball has a radius of 5 inches and the cylinder has a height of 8 inches. How mu
Nostrana [21]

Answer:

104.7 in^3

Step-by-step explanation:

Step one:

given data

The ball has a radius of 5 inches and

the cylinder has a height of 8 inches

Step two:

The volume of the cylinder

v= \pi r^2 h

substitute our data

v= 3.142*5^2*8\\\\v=628.4in^3

The volume of the ball

v=4/3 \pi r^3

substitute our data

v= 4/3 *3.142*5^3\\\\v= 523.7 in^3

The space will have a volume of

=628.4-523.7

=104.7 in^3

7 0
3 years ago
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