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3 years ago

If m∠2=95°, what is the the measure of ∠7?

Mathematics

1 answer:

love history [14]3 years ago

3 0

Answer:

Step-by-step explanation:

∠7=∠2 (alternate interior angles)

so m∠7=95°

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a tank 2m tall stands on the top of a concrete pillar. From point P on the same horizontal ground as the foot of the pillar, the

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$3 \times 3$

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2 years ago

The price of a t-shirt is 50$. If you buy 4 shirts, you will get 10% discount. How much do

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360

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3 years ago

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ILL GIVE YOU BRAINLIEST!! Solve `x^{2}-5x+6=0`

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Factoring

Step-by-step explanation:

$x^2-5x+6=0$

$x^2-2x-3x+6=0$

$x(x-2)-3(x-2)$

$(x-3)(x-2)=0$

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2 years ago

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Which quadratic function has Vertex (-1,4) and passes through (4,19) <br> HELP

hichkok12 [17]

Answer:

$f(x)=\frac{3}{5}(x+1)^2+4$

Step-by-step explanation:

The equation of a quadratic function in vertex form is given by:

$f(x)=a(x-h)^2+k$

Where (h,k) is the vertex.

It was given in the question that the vertex of the parabola is (-1,4).

When we substitute the vertex into the formula we get:

$f(x)=a(x+1)^2+4$

The parabola also passes through (4,19) hence it must satisfy its equation.

$19=a(4+1)^2+4$

$19-4=a(5)^2$

$15=25a$

We divide both sides by 25 to get:

$a=\frac{15}{25}= \frac{3}{5}$

Hence the quadratic function is:

$f(x)=\frac{3}{5}(x+1)^2+4$

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2 years ago