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3 years ago

Pls help me!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

kirza4 [7]3 years ago

3 0

Answer: do you still need help?

Step-by-step explanation:

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Calculate the angle of depression from the

s344n2d4d5 [400]

Answer:

angle of depression ≈ 53.8°

Step-by-step explanation:

the angle of depression is the measure of the angle from the horizontal downwards from the top of the flag pole.

this angle is alternate to ∠ A and is congruent to ∠ A

using the sine ratio in the right triangle

sin A = $\frac{opposite}{hypotenuse}$ = $\frac{25}{31}$ , then

∠ A = $sin^{-1}$ ( $\frac{25}{31}$ ) ≈ 53.8° ( to 1 d.p )

Angle of depression ≈ 53.8°

6 0

2 years ago

What is the third quartile of this data set? 20, 21, 24, 25, 28, 29, 35, 37, 42

nata0808 [166]

Answer:

Step-by-step explanation:

⇒The question is on third quartile

⇒To find the third quartile we calculate the median of the upper half of the data

Arrange the data in an increasing order

20, 21, 24, 25, 28, 29, 35, 37, 42

Locate the median, the center value

20, 21, 24, 25, 28, 29, 35, 37, 42

The values 20, 21, 24, 25 ------------lower half used in finding first quartile Q1

The value 28 is the median

The vlaues 29, 35, 37, 42...............upper half used in finding 3rd quartile Q3

Finding third quartile Q3= median of the upper half

upper half= 29,35,37,42

median =( 35+37)/2 = 36

6 0

3 years ago

I’m confused as to what they packed in 6

PIT_PIT [208]

They packed the bagels in packs of six.

7 0

3 years ago

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an object is 279.4 centimeters wide. if you divide the object into 10 equal parts, how wide will each part be?

Ivenika [448]

Cercel ben Türkçe biliyorum ben Türkçe

8 0

3 years ago

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If the measure of arc FF=47 and the measure of angle ACD=55, determine the measure of arc BD. I really need help with this, than

Llana [10]

Answer:

d. 8°

Step-by-step explanation:

It appears as though you intend ∠ECF and ∠ACB to be vertical angles, hence the same measure, 47°. The angle of interest, ∠BCD, is added to that to make ∠ACD, which is 55°. The added angle must be 55° -47° = 8°.

8 0

3 years ago