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GalinKa [24]
2 years ago
9

Please solve 14 and 15 only i will mark brainliest!!!!

Mathematics
1 answer:
morpeh [17]2 years ago
7 0

Answer:

see explanation

Step-by-step explanation:

the exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

∠ 4 , ∠ 5 , ∠ 6 are exterior angles of the triangle

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

(14)

∠ 1 and ∠ 4 are adjacent angles and sum to 180° , then

∠ 1 = 180° - 58° = 122°

∠ 2 + ∠ 3 = ∠ 4

∠ 2 + 32° = 58° ( subtract 32° from both sides )

∠ 2 = 26°

∠ 5 = ∠ 1 + ∠ 3 = 122° + 32° = 154°

∠ 6 = ∠ 1 + ∠ 2 = 122° + 26° = 148°

(15)

∠ 4 = ∠ 2 + ∠ 3 = 11° + 143° = 154°

∠ 1 = 180° - ∠ 4 = 180° - 154° = 26°

∠ 5 = ∠ 1 + ∠ 3 = 26° + 143° = 169°

∠ 6 = ∠ 1 + ∠ 2 = 26° + 11° = 37°

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Marty is 31 years younger than 6 times his friend Warren's age. The sum of their ages is less than 11.
TEA [102]
M = 6w - 31
m + w < 11

6w - 31 + w < 11
7w - 31 < 11
7w < 11 + 31
7w < 42
w < 42/7
w < 6

oldest age warren can be is 5...but I do not see how that is possibly because if warren is 5, then marty is : 6(5) - 31= 30 - 31 = -1

unless u make warrens age 5 1/2....making warrens age 2...wait, that wont work because u need a whole number
4 0
4 years ago
Why does a siren have a higher pitch as it approaches you?
Airida [17]

Answer:

Apparent Increase in Wave Frequency

As the ambulance approaches you, the distance between the source of the waves and the observer decreases. Consequently, the siren sounds more shrill as the pitch of the wailing siren 'sounds' higher than its original value, as sound waves reach you 'more frequently'.

Step-by-step explanation

hope this helps

7 0
3 years ago
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Calculate the area of triangle ABC with altitude BD, given A (−6, 0), B (0, 0), C (0, 6), and D (−3, 3).
nata0808 [166]

Answer:

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Step-by-step explanation:

If BD is altitude then AC is the base.

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<u>The length of BD is:</u>

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4 0
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Find the distance between the points (–2,8) and (–2,3).
Norma-Jean [14]

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storchak [24]

Answer:

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Step-by-step explanation:

Since this is a degree we going to use the arc length formula

2\pi \times( r)( \frac{x}{360)}

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The radius is 6 and the central angle is 48 so let plug that in the formula

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Multiply 2 pi by 6

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\frac{12\pi}{1}  \times  \frac{4}{30}  =  \frac{48\pi}{30}

\frac{8\pi}{5}

8 0
3 years ago
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