3 years ago

Given that BD is the median of ▵ABC, and that ▵ABC is isosceles,

Mathematics

1 answer:

alexira [117]3 years ago

5 0

Step-by-step explanation:

I think the answer is B because an isosceles triangle has two sides which are equal. And the other options like C and D aren't correct and A can't be proved.

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OLEGan [10]

Answer:

7 for all of them but the last one is 29

Step-by-step explanation:

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2 years ago

A shape is rotated 180° about the origin and then its image is reflected

Blizzard [7]

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2 years ago

Do everything besides the illustration for the word grim plz

aleksandr82 [10.1K]

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4 years ago

Lance and Brandon purchased items at the sporting goods store and spent the same amount of money. Lance bought 18 shirts for his

Shtirlitz [24]

Answer:

$12.50

Step-by-step explanation:

18 - 12 = 6

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75/6 = 12.5

So each shirt costs $12.50.

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4 years ago

In a survey, 18 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped

schepotkina [342]

Answer: 99% confidence interval would be (45.74,54.26).

Step-by-step explanation:

Since we have given that

N = 18

Mean = $50

Standard deviation = $7

At 99% confidence level, z = 2.58

So, Interval would be

$\bar{x}\pm z\dfrac{\sigma}{\sqrt{n}}\\\\=50\pm 2.58\times \dfrac{7}{\sqrt{18}}\\\\=50\pm 4.26\\\\=(50-4.26,50+4.26)\\\\=(45.74,54.26)$

Hence, 99% confidence interval would be (45.74,54.26).

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4 years ago