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3 years ago

Solve for X please help I need this asap

Mathematics

2 answers:

natka813 [3]3 years ago

8 0

Answer:

Step-by-step explanation:

fgbdf

xenn [34]3 years ago

4 0

Answer:

x=3

Step-by-step explanation:

They are isosceles triangles and angle 2=56.

56=53+x

x=3

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A clock radio is on sale for 25% off it’s original retail price of $30. If the delivery charge for the radio is 10% if its purch

Alex17521 [72]

To buy the radio it would cost $22.5 I believe

To have it delivered it would cost $2.5 I believe

So overall that would cost $25

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4 years ago

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2 years ago

Let an denote the nth term of a geometric sequence. let a0=256 and an+1=0.5an .

dusya [7]

The explicit formula is $a_{n-1} = 256 * 0.5^{n-1$ and the sum of the first 25 terms is approximately 512

<h3>The explicit formula</h3>

The given parameters are:

$a_0 = 256$

$a_{n +1} = 0.5a_n$

Set n = 0

$a_1 = 0.5a_0$

Substitute 256 for a0

$a_1 = 0.5 * 256$

$a_1 = 128$

This means that the common ratio is 0.5.

The explicit formula is then represented as:

$a_{n-1} = a_0 * r^{n-1$

This gives

$a_{n-1} = 256 * 0.5^{n-1$

<h3>The sum of the first 25 terms</h3>

This is calculated using:

$S_n = \frac{a_0(r^{n-1} -1)}{r - 1}$

This gives

$S_{25} = \frac{256 * (0.5^{25-1} -1)}{0.5 - 1}$

Evaluate

$S_{25} = 512$

Hence, the sum of the first 25 terms is approximately 512

Read more about geometric series at:

brainly.com/question/24643676

#SPJ1

3 0

2 years ago

What pattern do you notice in the numbers below? 1 = 1 × 1, and 1 × 1 × 1, and 1 × 1 × 1 64 = 8 × 8, and 4 × 4 × 4 729 = 27 × 27

11111nata11111 [884]

Answer:

<h3>C. They are both perfect squares and perfect cubes.</h3>

Step-by-step explanation:

Perfect squares are numbers that their square root can be found easily without any remainder.

Given the following patterns;

1*1 = 1 and 1*1*1 = 1

It can be seen that 1 is 1 perfect square since 1*1 = 1² = 1

Also 1 is perfect cube since 1*1*1 = 1³ = 1 (cube of the value gives 1)

Similarly for the expression;

8*8 = 64

8² = 64 (since the square of 8 gives 64, then 64 is known to be a perfect square)

Also 4*4*4 = 64

i.e 4³ = 64 (This shows that the cube root of 64 is 4 making it a perfect cube since we can get a whole number for the cube root of 64)

The same is applicable for other expressions 729 = 27 × 27, and 9 × 9 × 9, 4,096 = 64 × 64, and 16 × 16 × 16

This values are easily expressed as a constant multiple of a number showing that they are both perfect squares and perfect cubes.

4 0

3 years ago

2) y = x + 3 + 3 A) Domain: x 2-3 Range: y = 3 B) Domain: x 2-3 Range: y s3 C) Domain: x 2 3 Range: y 2-3 D) Domain: x 2-3 Range

morpeh [17]

Domain : Domain of a function is the set of input values for which the function is real and defined.

Given function is :

$y=\sqrt[]{x+3}+3$

Since if x less than - 3 then the square root will be into the form of complex number i,

So x ≥ -3

So Domain will be : x ≥ -3

Interval notation : [ -3, infinity)

Range : Range is the set of all the output values of the function :

The range of the funtion is:

$f(x)\ge3$

Intervale notation : [3, infinity)

Domain = x ≥ -3, [-3, inifinity)

Range : f(x)≥3, Interval notation [ 3, infinity)

Answer : A)

Domain x ≥- 3

Range y ≥ 3

3 0

1 year ago