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tino4ka555 [31]
3 years ago
13

Hurry Please!:Complete the division problem by determining the number that should be placed in the box.

Mathematics
1 answer:
zimovet [89]3 years ago
5 0
Hello What is it that need to be answer ow I see

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Which property of addition is shown?<br> 2+4=4+2<br><br> associative<br> commutative<br> identity
sergejj [24]
2+4=4+2 is an example of commutative property of addition
8 0
3 years ago
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A point H is 20m away from the foot of a tower on the same horizontal ground. From the point H, the angle of elevation of the po
astra-53 [7]

Answer:

a. See Attachment 1

b. PT = 12.3\ m

c. HT = 31.1\ m

d. OH = 28.4\ m

Step-by-step explanation:

Calculating PT

To calculate PT, we need to get distance OT and OP

Calculating OT;

We have to consider angle 50, distance OH and distance OT

The relationship between these parameters is;

tan50 = \frac{OT}{20}

Multiply both sides by 20

20 * tan50 = \frac{OT}{20} * 20

20 * tan50 = OT

20 * 1.1918 = OT

23.836  = OT

OT = 23.836

Calculating OP;

We have to consider angle 30, distance OH and distance OP

The relationship between these parameters is;

tan30 = \frac{OP}{20}

Multiply both sides by 20

20 * tan30 = \frac{OP}{20} * 20

20 * tan30 = OP

20 * 0.5774= OP

11.548 = OP

OP = 11.548

PT = OT - OP

PT = 23.836 - 11.548

PT = 12.288

PT = 12.3\ m (Approximated)

--------------------------------------------------------

Calculating the distance between H and the top of the tower

This is represented by HT

HT can be calculated using Pythagoras theorem

HT^2 = OT^2 + OH^2

Substitute 20 for OH and OT = 23.836

HT^2 = 20^2 + 23.836^2

HT^2 = 400 + 568.154896

HT^2 = 968.154896

Take Square Root of both sides

HT = \sqrt{968.154896}

HT = 31.1\ m <em>(Approximated)</em>

--------------------------------------------------------

Calculating the position of H

This is represented by OH

See Attachment 2

We have to consider angle 50, distance OH and distance OT

The relationship between these parameters is;

tan50 = \frac{OH}{OT}

Multiply both sides by OT

OT * tan50 = \frac{OH}{OT} * OT

OT * tan50 = {OH

OT * 1.1918 = OH

Substitute OT = 23.836

23.836 * 1.1918 = OH

28.4= OH

OH = 28.4\ m<em> (Approximated)</em>

5 0
3 years ago
Can you help me with this problem please?????
Pepsi [2]

Answer:

The answer is the first option I hope it helps

5 0
2 years ago
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What is the area of a parallelogram with a height of 7 feet and a base of 12 feet?
Vesna [10]

Answer:

84ft^2

Step-by-step explanation:

Relying on formula S(area) =a(base) *h(height )

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Juan bought 14 chicken wings for $22.40. If Juan spent 12.80 how many chicken wings did he buy?
aleksklad [387]
14 chicken wings is $22.40
x chicken wings is $12.80

14x12.80 =179,20
179,20/22,40 = 8

he bought 8 chicken wings
8 0
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