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gayaneshka [121]
4 years ago
8

The owner of a bike shop sells unicycles and bicycles and keeps inventory by counting seats and wheels. One day, she counts 21 s

eats and 30 wheels. Which equation in slope-intercept form shows that x bicycles and y unicycles together have a total of 30 wheels?
Mathematics
1 answer:
Artemon [7]4 years ago
6 0
U=-2b+30

u+b=21 
<span>in slope intercept form this is </span>
<span>u=-b+21 </span>

<span>The same thing for wheels is </span>
<span>2b+u=30 </span>
<span>or </span>
<span>u=-2b+30</span>
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The diagram shows a portion of a wooden support for the roof of a house. A construction worker says that ∠BDA measures 30° more
guajiro [1.7K]

Answer:

no because if angle ADC is 108 angle BDA would be 72

Step-by-step explanation:

because if angle ADC is 108 angle BDA would be 72

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Is -6 the same as -12?​
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Paladinen [302]
The answer is B, or 2x + 3y - 5 = 0. This is because when you substitute both points in for x and y, you get the values of 0=0, which is true!

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3 years ago
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Len [333]

Answer:

  none of the above. (Talk to your teacher about this question.)

Step-by-step explanation:

The differences between length and width are 4, 6, 12, so are not constant at either 4 or 6.

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4 0
3 years ago
form a height of 38 meters above sea level, two ships are sighted due west. the angles of depression are 53 degrees and 28 degre
Volgvan

Answer:

d(apart are the ships)=42.8 meters

Step-by-step explanation:

Given data

h (height)=38m

Ф₁=53°

Ф₂=28°

d(how far apart are the ships)=?

Solution

d₅₃°(distance to ship at 53°)=h/tanФ₁

d₅₃°=38/tan(53°)

d₅₃°=28.6m

now

d₂₈°(distance to ship at 28°)=h/tanФ₂

d₂₈°=38/tan(28°)

d₂₈°=71.4m

d(apart are the ships)=d₂₈°-d₅₃°

d(apart are the ships)=71.4-28.6

d(apart are the ships)=42.8 meters

4 0
3 years ago
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