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3 years ago

Solve for x if 523x = 523. please

Mathematics

2 answers:

Olenka [21]3 years ago

8 0

Answer:

x = 1

Step-by-step explanation:

523x = 523

Divide each side by 523 to get the x alone

523/523 = 1

vfiekz [6]3 years ago

7 0

Answer:

x=1

Step-by-step explanation:

To get x by itself you need to divide 523 by the other side of the equal sign so divide 523 by 523 which is 1.

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Which of the following could be used to calculate the area of a sector in the circle shown below

lara [203]

Answer:

Therefore the Last option is correct

$\textrm{Area of Sector ACD}=\pi (8\ in)^{2}\times (\frac{42}{360})$

Step-by-step explanation:

Given:

Radius = r = 8 in

θ = 42°

To Find:

Area of Sector = ?

Solution:

We know that

$\textrm{Area of Sector}=\pi (Radius)^{2}\times \frac{\theta}{360}$

Substituting the given values in the formula we get

$\textrm{Area of Sector ACD}=\pi (8\ in)^{2}\times (\frac{42}{360})$

Which is the required Answer.

Therefore the Last option is correct

$\textrm{Area of Sector ACD}=\pi (8\ in)^{2}\times (\frac{42}{360})$

8 0

3 years ago

Given that P = (-5, 5) and Q = (-13, 10), find the component form and magnitude of 2 vector PQ.

Brut [27]

Define unit vectors along the x-axis and the y-axis as $\hat{i} , \, \hat{j}$ respectively.

Then the vector from P to Q is
$\vec{PQ} = (-13+5)\hat{i} + (10-5)\hat{j} = -8\hat{i} + 5\hat{j}$
In component form, the vector PQ is (-8,5).

The magnitude of vector PQ is
√[(-8)² + 5²] = √(89) = 9.434

Answer:
The vector PQ is (-8, 5) and its magnitude is √89 (or 9.434).

4 0

3 years ago

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Which of the following logarithms do not exist?

Rasek [7]

Answer:

B. logarithms of negative number don't exist

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750.683 the value of 8?

Romashka-Z-Leto [24]

8 is in the tens place. It has a value of 80.