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grandymaker [24]
3 years ago
12

A family paid $75 to rent a vacation house for a day plus $28 per person who were staying in the house. They paid $243 for a day

in the house. How many people stayed there?
Mathematics
1 answer:
Vika [28.1K]3 years ago
7 0

Answer:

6

Explanation:

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VashaNatasha [74]

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X+-4

Step-by-step explanation:

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Write an equation for sidewalk one in slope intercept form.
sveta [45]
X   y
2   7
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I figured out how to do it.
2-0=2
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4/2=2 therefore the gradient is 2.
Now we need the y intercept which is already given (the y intercept is when x=0) when x equals 0 x=3 so the equation of the line is:
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Hope this helps :)
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MArishka [77]

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3 years ago
A student stands 20 m away from the foot
Ostrovityanka [42]

Answer:

Height of tree is \approx <em>15 m.</em>

<em></em>

Step-by-step explanation:

Given that student is 20 m away from the foot of tree.

and table is 1.5 m above the ground.

The angle of elevation is: 34°28'

Please refer to the attached image. The given situation can be mapped to a right angled triangle as shown in the image.

AB = CP = 20 m

CA = PB = 1.5 m

\angle C = 34°28' = 34.46°

To find TB = ?

we can use trigonometric function tangent to find TP in right angled \triangle TPC

tan \theta = \dfrac{Perpendicular}{Base}\\tan C= \dfrac{PT}{PC}\\\Rightarrow tan 34.46^\circ = \dfrac{PT}{20}\\\Rightarrow PT = 20 \times 0.686 \\\Rightarrow PT = 13.72\ m

Now, adding PB to TP will give us the height of tree, TB

Now, height of tree TB = TP + PB

TB = 13.72 + 1.5 = 15.22 \approx <em>15 m</em>

7 0
3 years ago
What is the number 21.0384 rounded to the nearest hundredth?
Anton [14]

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21.04

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the 8 is closest to 10 so that would make the 3 a 4.

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