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nikitadnepr [17]

3 years ago

10

Please help me ASAP I’m stuck on these questions

1 answer:

kykrilka [37]3 years ago

7 0

Answer:

4, yes through the middle 5, yes through the middle 6, yes through the middle all of them reflect from the center

Step-by-step explanation:

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Pls help I don’t understand this question very well

kiruha [24]

Answer:

$CD = 12.6866616739cm$

$CD \approx12.7cm$

Step-by-step explanation:

$CB = a$

$AB = b$

$AC = c$

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

${a}^{2} = {c}^{2} - {b}^{2}$

$a = \sqrt{ {c}^{2} - {b}^{2} }$

$a = \sqrt{ {12}^{2} - {6}^{2} }$

$a = \sqrt{144 - 36}$

$a = \sqrt{108}$

$CB = \sqrt{108}$

$\sin(D) = \frac{opposite}{hypotenuse}$

$\sin(D) = \frac{CB}{CD}$

$\sin(55) = \frac{ \sqrt{108} }{CD}$

$(CD) \sin(55) = \frac{ \sqrt{108} }{CD} (CD)$

$(CD) \sin(55) = \sqrt{108}$

$\frac{(CD) \sin(55) }{ \sin(55) } = \frac{ \sqrt{108} }{ \sin(55) }$

$CD = \frac{ \sqrt{108} }{ \sin(55) }$

$CD = 12.6866616739cm$

$CD \approx12.7cm$

6 0

3 years ago

There are 3 white counters and 1 black counter in a bag. what is the probability that I take out a black counter?

Oksanka [162]

Answer:

1/4

Step-by-step explanation:

Favorable events/total events

favorable: 1 black counter

total: 1+3=4

5 0

3 years ago

Jacob has 96 books to stick on library shelves. Each shelf can hold 9 books. How many shelves will he need to stack all the book

Andru [333]

Answer:

11 shelves

Step-by-step explanation:

4 0

3 years ago

The table shows the number of tickets sold for the school dance and the amount of money earned.

Darya [45]

Answer:

it does. or show any lines

5 0

3 years ago

At your school, the building is 20 feet tall, a tree's height is 252 inches, and the flagpole is 6 yards high. Which of the thre

timurjin [86]

First, all the heights have to be converted to similar units, say feet.

Therefore,
Building= 20 feet
Tree = 252*0.083333 = 21 feet
Flagpole = 6*3 = 18 feet

The tallest of the three is the tree and thus should cast the longest shadow. However, it should be noted that at exactly noon when the sun is overhead, all the three will have equal length of shadow (that is, 0 feet long).

3 0

4 years ago