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Tpy6a [65]
3 years ago
14

an art student wants to make a model of an ancient building. the length of the building is 1.6 times its width. The length of th

e students model is 28in. what should the width of the model be?
Mathematics
1 answer:
Ludmilka [50]3 years ago
3 0

I think it would be 17.5in

Hope this helps!!

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HELP ME PLEASE!!!!!!
makvit [3.9K]
A) (0,0) and (3,1)

1-0 divided by 3-0

Slope is 1/3

the slope represents the relationship between x and y

b) (6,2) and (-3,-1)

-1-2 divided by -3-6

Slope is 1/3

c) yes, the two triangles represent the same slope as all of the four points used are collinear (on the same line), making all the slopes equal.
5 0
2 years ago
Write the fraction 8/9 as a percent. Round to the nearest hundredth of a percent where necessary.
irina1246 [14]
8/9 = .88888... = 88.89% after rounding
6 0
3 years ago
How many gallons of water can you put into the pool in five minutes?
Sidana [21]

Answer:

You don't give us any information that is helpful, Sorry.

Step-by-step explanation:

6 0
2 years ago
A tunnel is constructed with a semielliptical arch. The width of the tunnel is 60 feet, and the maximum height at the center of
rusak2 [61]

The height of the tunnel 5 feet from the edge is 13.82 feet option second 13.82 feet is correct.

<h3>What is an ellipse?</h3>

An ellipse is a locus of a point that moves in a plane such that the sum of its distances from the two points called focus adds up to a constant. It is taken from the cone by cutting it at an angle.

We have:

A tunnel is constructed with a semi-elliptical arch. The width of the tunnel is 60 feet, and the maximum height at the center of the tunnel is 25 feet.

2a = 60 (width of the tunnel is 60 feet)

a = 30

And the maximum height at the center of the tunnel is 25 feet

b = 25

Let's assume the center of the ellipse is at the origin.

So the equation of the ellipse:

\rm \dfrac{x^2}{30^2}+\dfrac{y^2}{25^2}=1

Now plug x = a - 5 = 30 - 5 = 25

\rm \dfrac{25^2}{30^2}+\dfrac{y^2}{25^2}=1

After solving:

\rm \dfrac{y^2}{25^2}=1-\dfrac{25}{36}

\rm y^2=\dfrac{6875}{36}

y = ±13.819 ≈ ±13.82

Height cannot be negative

y = 13.82 feet

Thus, the height of the tunnel 5 feet from the edge is 13.82 feet option second 13.82 feet is correct.

Learn more about the ellipse here:

brainly.com/question/19507943

#SPJ1

5 0
2 years ago
Maria and her sister each have a salad and a drink for lunch at a restaurant. A salad costs $4.75 and a drink costs $1.65. What
antiseptic1488 [7]

Answer:7.36

Step-by-step explanation:This one is pretty easy. Add 4.75 to 1.65 which is 6.4 also 6.40. You can make a porportion out of it. 15/100=x/6.40. That way then you'll do

100x=69

96/100

0.96

so, with the meal it will = 7.36

7 0
3 years ago
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