3 years ago

What is 805 ten equal to

Mathematics

1 answer:

Anna007 [38]3 years ago

7 0

805 tens is equal to 8050 ones

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Pls help !!!!!!!!!!!!!!

garri49 [273]

The x -coordinate of the vertex is the equation of the axis of symmetry of the parabola. For a quadratic function in standard form, y=ax2+bx+c , the axis of symmetry is a vertical line x=−b2a .

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2 years ago

Which is the angle of depression from the lighthouse on the boat ?

Anastaziya [24]

Answer:

∠4

Step-by-step explanation:

An angle of depression is measured from the horizontal downwards.

This is ∠4 in the diagram

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3 years ago

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What is the expression in factored form? <br> 6x^2+4x

storchak [24]

6x^{2}+4x

Factor: 2x out of 6x^{2}

2x (3x) + 4x

Factor: 2x out of 4x

2x (3x) + 2x (2)

Factor: 2x out of 2x (3x) + 2x (2)

2x (3x + 2)

May be wrong

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3 years ago

How do I solve for X?

lidiya [134]

We use the theory of Pythagoras because the triangle is right.

$AB {}^{2} = AC {}^{2} + BC {}^{2}$
since AB = AC = x
$8 {}^{2} = x {}^{2} + x {}^{2}$
$64 = 2x {}^{2}$
$32 = x {}^{2}$
$x = \sqrt{32}$
$x = \sqrt{16 } \times \sqrt{2}$
$x = 4 \sqrt{2}$

6 0

2 years ago

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For the vectors u and v with magnitudes u = 88 and v = 99, find the angle θ between u and v which makes u and v = 77.

WARRIOR [948]

Answer:

Step-by-step explanation:

Using the vector formula $u.v = |u||v|cos\theta$

|u| = magnitude of vector u

|v| = magnitude of vector v

u.v is the dot product of vector u and v

Given |u| = 88, |v| = 99 and u.v = 77, to get $\theta$ we will substitute the given values into the equation above;

$77 = 88*99cos\theta\\cos\theta = \frac{77}{88*99} \\cos\theta = \frac{77}{8712} \\cos\theta = 0.008838\\\theta = cos^{-1} 0.008838\\\theta = 89.5^{0}$

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2 years ago