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Diano4ka-milaya [45]
3 years ago
8

Please hurry!!!!!!

Mathematics
2 answers:
frozen [14]3 years ago
5 0

Answer:

Answer is y =400(2x)

Step-by-step explanation:

mihalych1998 [28]3 years ago
5 0

Answer:

y = 400(2ˣ)

Step-by-step explanation:

it is that answer because 800-400=400 so that would rule out every answer but this one.

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A square and an equilateral triangle have equal perimeters. the area of the triangle is 
Ivenika [448]

a - length of side of a square

t - length of side of a triangle

The perimeter of a square: P_S=4a

The perimeter of a triangle: P_T=3t

We have the area of a triangle: A_T=16\sqrt3\ cm^2

The formula of an area of an equilateral trinagle: A_T=\dfrac{t^2\sqrt3}{4}

Substitute:

\dfrac{t^2\sqrt3}{4}=16\sqrt3    <em>multiply both sides by 4</em>

t^2\sqrt3=64\sqrt3     <em>divide both sides by \sqrt3</em>

t^2=64\to t=\sqrt{64}\to t=8\ cm

The perimeter of a triangle: P_T=3(8)=24\ cm

Substitute to the formula of a perimeter of a square:

4a=24       <em>divide both sides by 4</em>

a=6\ cm

The formula of a diagonal of a square: d=a\sqrt2

Substitute:

d=6\sqrt2\ cm

3 0
3 years ago
Wha is the name of the line that you use to define a parabola?
Basile [38]

Answer is:

Directrix - D.

8 0
3 years ago
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The angles of a triangle are 99??, 3x??, and x + 5??.
Anit [1.1K]
Since we know a triangle only has 180 degrees we can say:

99+3x+x+5=180

Then we can solve for x:

4x+104=180
4x=76

x=19


3 0
3 years ago
What is the rate of change
kow [346]
The average rate of change between two input values is the total change of the function values (output values) divided by the change in the input values.
3 0
2 years ago
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I don't know who needs to hear this but I wanted to hopefully reach out to someone.
Alex787 [66]

Answer:

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Step-by-step explanation:

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3 years ago
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