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Eddi Din [679]
3 years ago
13

Bill found a pair of running shoes for $57. The regular price was $68.99. He also found a sweat suit that was originally $37.80.

It was marked down 25% off. Find his total savings . ​
Mathematics
1 answer:
mestny [16]3 years ago
8 0

Answer: i believe bill saved $21.44

Step-by-step explanation: 68.99-57=11.99

37.80-25%=28.35

37.80-28.35=9.45

9.45+11.99=21.44

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How do I write 16,107,320 in expanded form?
Pani-rosa [81]
In expanded form that would be 10,000,000 + 6,000,000 + 100,000 + 7,000 + 300 + 20
3 0
3 years ago
Given functions f(x)=3x^2, g(x)= x^2-4x+5, and h(x)=-2x^2+4x+1<br> Rank them from least to greatest
Sindrei [870]
Ok, ranked by axis of symmetry

basically x=something is the axis of symmetry
the way to find the axis of symmetry is to convert to vertex form and find h and that's the axis of symmetry

but there's an easier way

for f(x)=ax^2+bx+c
the axis of symmetry is x=-b/2a
nice hack my teacher taught me


so

f(x)=3x^2+0x+0
axis of symmetry is -0/(3*2), so x=0 is the axis of symmetry for f(x)

g(x)=1x^2-4x+5,
axis of symmetry is -(-4)/(2*1)=4/2=2, x=2 is axis of symmetry for g(x)


h(x)=-2x^2+4x+1
axis of symmetry is -4/(2*-2)=-4/-4=1, x=1 is the axis of symmetry for h(x)


0<1<2
axisies
f(x)<h(x)<g(x)

order based on their axises of symmetry is f(x), h(x), g(x)
8 0
3 years ago
What do i multiply 36 by to get 24
Yuri [45]

Answer:

its impossible without getting a negative number

Step-by-step explanation:

5 0
3 years ago
Urgent!
Varvara68 [4.7K]

Answer:

See explanation

Step-by-step explanation:

From the graph,

  • After 1 hour passed, 2 inches of show fell
  • After 5 hours passed, 10 inches of snow fell
  • And so on

This means, that points (1,2), (5,10) lie on the graph. This graph passes through the origin, so its equation is

y=kx,

where k is the slope

Find k:

2=k\cdot 1\\ \\k=2,

so the equation is y=2x and the slope is k = 2.

The slope means how many inches of snow fell in 1 hour.

In 1 hour, 2 inches of snow fell.

8 0
3 years ago
The base of an auditorium is in the form of an eclipse 200 feet long and 100 feet wide a pin drop near one focus can clearly be
dedylja [7]

Answer:

Let the coordinate of focus be (\pm c , 0)

As per the statement: The base of an auditorium is in the form of an eclipse 200 feet long and 100 feet wide.

⇒Length of Major axis=base of an auditorium = 200 feet and Length of a minor axis=wide of a auditorium = 100 ft

Semi-major axis (a) = 100 ft and

semi-minor axis(b) = 50 ft

Then, by an equation:

c^2 = a^2-b^2

Solve for c:

Substitute the given values we have;

c^2=(100)^2-(50)^2

Simplify:

c^2 = 7500

or

c=\sqrt{7500} = 86.6025404 ft

Distance between the foci is,  2c = 2 \cdot 86.6025404 = 173.205081

Therefore, the distance between the foci to the nearest 10th of a foot is, 173.2 ft

6 0
4 years ago
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