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3 years ago

What is ?l4 as a mixed number?

Mathematics

1 answer:

PSYCHO15rus [73]3 years ago

3 0

Answer:

It's a whole number. It cannot be a mixed number. Anyways I would have to know the denominator.

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If triangle ABC = triangle DEC what is the value of x? A. 8 B. 5 C. 4 D. 1 E. 2

Zepler [3.9K]

Answer:

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Pls help question is in the images

hodyreva [135]

The symbol $\displaystyle{ T_{\ \textless \ -4, 2\ \textgreater \ }(\triangle ABC)$ means that:

we translate ( shift ) the triangle ABC -4 units horizontally and 2 units vertically.

This means that the triangle needs to be shifted 4 units left, and 2 units up.

The only figure which displays such a movement of the triangle (left, up) is the one in the attachment below. That is the answer.

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3 years ago

Find an equation of the tangent to the curve at the given point by two methods:

Anna007 [38]

Answer:

1) y = 2x + 1

2) y = 2x + 1

Step-by-step explanation:

The parametric equation given is;

x = 1 + ln t and y = t² + 2 at (1, 3)

1) without eliminating the parameter;

Using, x = 1 + ln t ;

dx/dt = 1/t

Using y = t² + 2;

dy/dt = 2t

Slope which is dy/dx is gotten from;

dy/dx = (dy/dt)/(dx/dt)

dy/dx = 2t/(1/t)

dy/dx = 2t²

For x = 1 + In t, at x = 1, we have;

1 = 1 + In t

In t = 0

t = 1

For y = t² + 2, at y = 3, we have;

3 = t² + 2

t² = 3 - 2

t² = 1

t = ±1

Since t = ±1, then;

dy/dx = 2(±1)²

dy/dx = 2

Equation of the tangent is;

y - 3 = 2(x - 1)

y - 3 = 2x - 2

y = 2x - 2 + 3

y = 2x + 1

2) By eliminating the parameter

x = 1 + In t

Let's make t the subject of the equation.

In t = x - 1

t = e^(x - 1)

Let's put e^(x - 1) for t in y = t² + 2

Thus;

y = e^(x - 1)² + 2

y = e^(2(x - 1)) + 2

Thus, parameter has been eliminated

Equation of the tangent is gotten from;

y - y1 = m(x - x1)

m is gradient = dy/dx = 2e^(2(x - 1))

at (1, 3), we have x = 1. Thus;

m = 2e^(2(1 - 1))

m = 2e^0

m = 2

Thus, equation of tangent at (1,3) is;

y - 3 = 2(x - 1)

y - 3 = 2x - 2

y = 2x - 2 + 3

y = 2x + 1

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3 years ago

Convert 0.97 into a percent

Zielflug [23.3K]

97% is all it is. pretty simple actually.

7 0

4 years ago

Read 2 more answers

What is 1/2 • 1 • 2 please help

BabaBlast [244]

Answer:

Step-by-step explanation:

1/2x1x2

8 0

2 years ago