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lubasha [3.4K]
1 year ago
4

Write each expression as a single logarithm. log₄2+log₄8

Mathematics
1 answer:
kolezko [41]1 year ago
4 0

If the expression is log₄2+log₄8, then it will look like log_{4}16 in single logarithm form.

Given that the expression is log₄2+log₄8.

We are required to express the given expression in single logarithm.

Product property of logarithm basically tells that says that the logarithm of a product is equal to a sum of logarithms and because logs are exponents, and we multiply like bases, we can add the exponents.

The expression is log₄2+log₄8.

log₄2+log₄8=log_{4}(8*2) (We are not required to write the base separately)

=log_{4}16

Hence if the expression is log₄2+log₄8, then it will look like log_{4}16 in single logarithm form.

Learn more about product property of logarithm at brainly.com/question/14765705

#SPJ4

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I need the rate of change plz and thank you
gavmur [86]

Answer:

m=4

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Slope Formula: m=\frac{y_2-y_1}{x_2-x_1}

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Find points from table</em>

Point (0, 3)

Point (1, 7)

<u>Step 2: Find slope </u><em><u>m</u></em>

Simply plug in the 2 coordinates into the slope formula to find slope <em>m</em>. Rate of change and slope are the same.

  1. Substitute [SF]:                     m=\frac{7-3}{1-0}
  2. Subtract:                               m=\frac{4}{1}
  3. Divide:                                  m=4
3 0
3 years ago
Y=−2x+5 and y=−12x−3 . Are the lines parallel, perpendicular, or neither?
lina2011 [118]

Answer:

Neither.

Parallel lines have the same slope. Perpendicular lines have the opposite reciprocal slope. Neither of these are the case in this example, so the correct answer is Neither.

Let me know if this helps!

5 0
3 years ago
George has a triangle-shaped garden in his backyard. He drew a model of this garden on a coordinate grid with vertices A(4, 2),
GarryVolchara [31]

The coordinates of triangle A′B′C′ is  A′(2, 1), B′(1, 2), C′(3, 2)

On plotting the coordinates on the graph, it is found :

Option A is the coordinates of a straight line.

Option C is the coordinates of a bigger triangle

Option D has a different shape.

Only option B fulfills the required condition of similar shape and scale factor of 0.5 .

Vertices of a triangular garden:

A(4,2)

B(2,4)

C(6,4)

Scale factor = 0.5

What are the coordinates?

  • A coordinate system in geometry is a system that uses one or more numbers, or coordinates, to determine the position of points or other geometric elements on a manifold such as Euclidean space.
  • Coordinates are numerical distances or angles that uniquely identify points on two-dimensional (2D) surfaces or in three-dimensional (3D) space ( 3D ). Mathematicians, scientists, and engineers use a variety of coordinate schemes.

Learn more about coordinates here: brainly.com/question/24513436

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6 0
2 years ago
The brass strip AB has been attached to a fixed support at A and rests on a rough support at B. Knowing that the coefficient of
Andre45 [30]

Answer:

Decrease in temperature = 4.6714°C

Step-by-step explanation:

We know that the formula fro deflection is:

δ = PL/AE + LαΔT

As deflection is equal to zero in this case, the formula becomes

ΔT = -P/αAE   -------------- equation (1)

Now,

we see that only vertical force acting is weight

W = mg = 100*9.81

W = 981N = ∑F_{y}                                  where 1N = 1kgm/s²

Now,

for horizontal forces

As we know that, Sum of all horizontal forces = 0

P - μN = 0

P - μW = 0

P = μW

P = 0.6 * 981

P = 588.8N or 589N

Now we need to calculate the area

area = width * thickness = 20 * 3

area = 60 mm²

Now by substituting all these values in equation 1, wee get

ΔT = -P/αAE = - 588.6/(20*10⁻⁶*60*10⁻⁶*105*10⁹)

ΔT = - 4.6714°C (negative sign indicates decrease)

7 0
3 years ago
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