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Over [174]
2 years ago
6

The table shows the relationship between the number of cups of cereal in the number of cups of raisins in a cereal bar recipe ja

ke potter and equivalent ratio on the coordinate grid below which of these explains why the point jake plotted is incorrect
Mathematics
1 answer:
adoni [48]2 years ago
3 0

Answer:

c i think

Step-by-step explanation:

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PLEASE HELP!! WILL GIVE Points Using the known angle, what side is known? What side is unknown? Use opposite, adjacent, or hypot
ruslelena [56]

4.

known side: opposite (150m)

unknown sides: adjacent and hypotenuse

using Tan to find the distance from the tower's base to the key.

why do we use Tan to find the distance?

the tower creates an angle of 72 degrees with the ground, which will be called α, and it is 150m high from the ground which is opposite ∠α. (shown in picture). we can see that the distance from the base of the tower to the key is the adjacent of the ∠α.

Tan α =  opposite / adjacent

=> Tan 72° = 150 / x

=> x = 150 / Tan 72°

=> x = 48.73795443 m = ~48.7m

5.

4.

known side: opposite (150m)

unknown sides: adjacent and hypotenuse

using Sin to find the distance that the ant travelled.

why do we use Sinn to find the distance?

the tower creates an angle of 72 degrees with the ground, which will be called α, and it is 150m high from the ground which is opposite ∠α. (shown in picture). the ant travelled along the tower's body, which is the hypotenuse of the triangle, from the top until reaching the ground.

Sin α =  opposite / hypotenuse

=> Sin 72° = 150 / x

=> x = 150 / Sin 72°

=> x = 157.7193336 m = ~157.7m

6.

(using unrounded numbers to calculate because there is a small difference in results if using the rounded numbers)

c^2 = a^2 + b^2 (pythago)

157.7^2 = 150^2 + 48.7^2

24875.3882 = 24875.3882 (correct)

7 0
3 years ago
Two right triangles, ABD and ACD, were created from ABC by
Ainat [17]

Answer:

Since their corresponding angles are congruent and the corresponding sides are in proportion

Step-by-step explanation:

For ABD,

Sin (B) = (AD ÷ AB) =1

∴ AD = AB

and if AD = AB

⇒ AD = AC   (since AD 1 CB).

From triangle ACD,

Sin(C) = (AD ÷ AC)

Since AD = AC , Hence Sin (B) = Sin (C) = 1

Also From definition of similar triangles ABD and ACD are Similar (i.e their corresponding angles are congruent and the corresponding sides are in proportion)

7 0
3 years ago
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(2x2 + 2x + 3) – (x2 + 2x + 1)
Soloha48 [4]

8x+4 is the answer to your problem
hope this helps
6 0
3 years ago
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Several co-workers carpool to work each day. the daily cost of gas and tolls, $12, is split evenly among the people who carpool
Verizon [17]

Answer:

c(x) = ($12) / x

Step-by-step explanation:

The general formula for inverse proportion is y = k/x.

In this specific problem, y represents the cost per person, k the dailyl cost ($12), and x the number of perople riding.

Then

c(x) = cost per person as a function of the number of people riding

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Note that if only one person rides, that person pays $12/1, or $12; if two people, $12/2, or $6 per person, and so on.

5 0
3 years ago
One and six tenths as a decimal
Brums [2.3K]

Answer:

1.6

Step-by-step explanation:

1 and 6/10 = 1.6 as a decimal

8 0
3 years ago
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