Sharel decided to buy a charm bracelet for her mother. She buys 10 charms for the bracelet. How many arrangements of charms are there?

The answer is:

Work/explanation:

Bear in mind that the sum of all the angles in a triangle is 180°.

Given two angles, we can easily find the third one.

Let's call it x.

Next, we set up an equation:

\(\sf{54+87+x=180}\)

\(\sf{141+x=180}\)

Subtract 141 on each side.

\(\sf{x=180-141}\)

\(\sf{x=39}\)

Answer:8.99 cm

Step-by-step explanation:

Answer:

\(8.995\)cm

Step-by-step explanation:

The circumference formula is: \(C=2\pi r\)

We are given the circumference, which is 56.52cm.

The question wants us to find the radius, r.

To achieve this, we must solve for r.

Plugging in 56.52 for C we get:

\(56.52=2\pi r\)

Dividing both sides by \(2\pi\), we find r:\(8.995\)

\(\frac{56.52}{2\pi } =r\)

\(8.995\)≈\(r\)

If you want to round it up, you can round it to 9cm.

The mean value is 1.19

x           p(x)        x*p(x)        X^2p(x)
1           0.1            0.1               0.1
2           0.15         0.3               0.6
3           0.4          1.2                3.6
4          0.25          1                   4
5           0.1           0.5               2.5
Sum        1            3.1                 10.8

Mean =Σx * p(x)

u=3.1

Variance=σ^2

=Σx*p(x)-u^2

=10.8-(3.1)^2 =1 .19    

A probability distribution is a frequency distribution that has been idealised. A frequency distribution is a description of a particular sample or dataset. It is the number of times each possible variable value appears in the dataset.

The probability of occurrence determines how many times a value appears in a sample. Probability is a number between 0 and 1 that indicates the likelihood of an event occurring:


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The value of x for measure a base angle for the isosceles trapezoid is equal to 25°.

This is a trapezoid in which the base angles are equal and therefore the left and right side lengths are also equal. The opposite angles are supplementary which implies they sum up to 180°.

angle C is equal to angle D so;

3x + 1 = 76°

3x = 76° - 1 {subtract 1 from both sides}

3x = 75°

x = 75°/3 {divide through by 3}

x = 25°

Therefore, the value of x for measure a base angle for the isosceles trapezoid is equal to 25°.

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Answer:

Answer is in attached photo.

Step-by-step explanation:

The solution is in the attached photo, do take note to solve this question, we can assign 2 variables to the 2 conditions stated in the question, and solve them simultaenously.

Answer:

6.4 laps

Step-by-step explanation:

The total value of the furniture sold by Joyce last week is A = $ 6,733.33

Given data ,

Let's call the value of the furniture Joyce sold "x".

She receives 10% commission on the first $1,200 of sales, which is $120:

Commission on first $1,200 = 0.1 * 1200 = 120

The remaining sales that she earns commission on is the difference between the total value of the furniture sold and the first $1,200:

Remaining sales = x - 1200

She earns 15% commission on the remaining sales, which is 0.15 times the remaining sales:

Commission on remaining sales = 0.15 * (x - 1200)

Her total earnings from commission last week was $950. So we can write an equation:

Commission on first $1,200 + Commission on remaining sales = $950

Substituting the expressions we found for the two commissions, we get:

120 + 0.15(x - 1200) = 950

120 + 0.15x - 180 = 950

On simplifying the equation , we get

0.15x - 60 = 950

0.15x = 1010

x = 6,733.33

Hence , the value of the furniture Joyce sold last week was $6,733.33

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In the graph the Inefficient point of production is represented by the point A  , option(a)Point A is correct .

The graph given in the question is for Skateboards vs Bikers.

we need to find the point which represents the Inefficient point of Production.

The points in the Production Possibility Curve are said to be inefficient when the resources are not utilized to the fullest.

The given Production possibility curve between the Skateboards and the Bikers have Point A as the Inefficient Point .

Therefore , the point A represents the Inefficient point of production in the given Production possibility curve , the correct option is (a)Point A.

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Answer:

Step-by-step explanation:

Givens

x2 = 5

x1 = - 1

y2 = 8

y1 = 6

Equation

d = sqrt( (x2 - x1)^2 + (y2 - y1)^2 )

Solution

d = sqrt( (5 - - 1)^2 + (8 - 6)^2 )

d = sqrt( 36 + 4)

d = sqrt(40)

d = 2 * sqrt(10)

Answer:

A. the angular speed is 3771.4 rad/min

b. 5921 rpms

Step-by-step explanation: I just got this same question right on a test.

Answer:

if y=60 then x=5

Step-by-step explanation:

im in college Algebra if you need help just ask

The steps to simplify in the correct order is [(x+1)(x+1)][(x-6)(x+3)] * [(x+1)(x+6)/[x(x-1)]

Simplification is a mathematical process of making an expression look more simpler than it was before;

The given expression is [(x²+2x+1)]/x²-3x-18)]÷[(x²-1)/[(x²-7x+6)]

²The first step is to simplify  [(x²+2x+1)

factorize the equation to get (x+1)(x+1) ......................1

The the second step is to factorize x²-3x-18

= x(x+3)-6(x+3)

=(x-6)(x+3)                           ...............................................2

The next step is to factors x²-1 to get

x(x-1)  .....................................................................................3

The next step is to factorize

x²-7x+6 to get

*x+1) (x+6)   ...........................................................................4

Joining the expressions together we have

[(x+1)(x+1)]/[(x-6)(x+3)] *[(x+1)(x+6)]/x(x-1)

Conclusively the expression becomes [(x+1)(x+1)]/[(x-6)(x+3)] *[(x+1)(x+6)]/x(x-1)

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Answer:

See below.

Step-by-step explanation:

1)

So we have:

\(\exists x\in\mathbb{N},y\in\mathbb{Z}|x^2=y^2\)

This can be interpreted as:

"There exists a natural number x and an integer y such that x² is equal to y²."

2)

So we want even numbers are in the set of integers.

\(\{2n:n\in\mathbb{Z}\}\in\mathbb{Z}\)

This is interpreted as:

"The set of even numbers (2n such that n is an integer) is in the set of integers"

Answer: D

30 60 90 trinagle rules

a=8

b=a sqaure root of 3 or 8square root of 3

c=2a or 2*8 or c=16

Step-by-step explanation:

Step-by-step explanation:

sin30°=8/c

1/2=8/c

8×2=c

16=c

tan30°=8/b

\( \frac{1}{ \sqrt{3} } = \frac{8}{b} \\ 8 \sqrt{3} = b\)

option. d

Yes, there is a difference in the shapes of the displacement-time graphs for uniform acceleration towards the positive direction, uniform acceleration towards the negative direction, uniform deceleration towards the positive direction, and uniform deceleration towards the negative direction.

Uniform acceleration towards the positive direction:

In this case, the object's velocity increases in the positive direction over time. The displacement-time graph will have a concave-upward shape, forming a curve that starts with a small slope and gradually becomes steeper as time progresses.

Uniform acceleration towards the negative direction:

Here, the object's velocity increases in the negative direction, meaning it accelerates in the opposite direction to its positive direction.

The displacement-time graph will have a concave-downward shape, forming a curve that starts with a steep slope and gradually becomes less steep as time progresses.

Uniform deceleration towards the positive direction:

In this scenario, the object's velocity decreases in the positive direction, but it still moves towards the positive direction.

The displacement-time graph will show a curve with a decreasing slope, forming a concave-downward shape, indicating that the object is slowing down.

Uniform deceleration towards the negative direction:

Here, the object's velocity decreases in the negative direction, opposing its initial direction.

The displacement-time graph will have a curve with a decreasing slope, forming a concave-upward shape, indicating that the object is slowing down but still moving in the negative direction.

In summary, the shapes of the displacement-time graphs differ based on the direction and type of acceleration (positive or negative) and whether the object is undergoing uniform acceleration or uniform deceleration. These differences can be observed through the concavity and slope of the graphs.

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The final amount after the 6% increase and Additional payment would be $67,774.

The 6% increase of a given value, we can multiply the value by 1.06. So if the current value is 62900, the 6% increase would be:

62900 x 1.06 = 66774

Therefore, the new value after the 6% increase would be $66,774.

If there is an additional payment on top of this increase, we can simply add that amount to the new value. For example, if the additional payment is $1000, the total amount would be:

66774 + 1000 = 67774

So the final amount after the 6% increase and additional payment would be $67,774.

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Answer:

\((xy)(5x+3y^{2} )\)

Step-by-step explanation:

The terms  5x²y and 3xy³ both have xy in common. We can factor out xy.

Answer:

So the width of the rectangle is 20 units.

Step-by-step explanation:

Since the area of the rectangle is 80 square units and the length of one side is 4 units, we can use the formula for the area of a rectangle (A = lw) to find the width of the rectangle. We can set up the equation like this:

A = lw

80 = 4w

w = 20

So the width of the rectangle is 20 units. This means that the vertices of one of the sides of the rectangle that represents the width could be (0,0), (0,20), (20,0), and (20,20). These coordinates assume that the lower left corner of the rectangle is at the origin (0,0). If the rectangle is not at the origin, the coordinates of the vertices would be different. For example, if the lower left corner of the rectangle was at (-5,5), the coordinates of the vertices would be (-5,5), (-5,25), (15,5), and (15,25).

1.7a+0.3a=0.8

2a=0.8

a=0.4

Answer:

3.8

yep that's the answer

Answer:

a two sample t test

Step-by-step explanation:

The inferential statistical test that would be most appropriate for this scenario is a two-sample t-test option fifth is correct.

A t-test is a hypothesis-testing technique for analyzing the means of one or two populations. A t-test can be used to see if a single group differs from a known value, if two groups differ from each other (an independent two-sample t-test), or if paired measurements show a significant difference.

Based on the information provided, there are two techniques, each with nine technicians. The sample sizes are tiny, in other words. Furthermore, the two samples are unrelated to one another. As a result, a two-sample t-test is appropriate.

Thus, the inferential statistical test that would be most appropriate for this scenario is a two-sample t-test option fifth is correct.

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We are given that a coin is toseed with two possible outcomes (head or tails) and a ball from a ball with balls of three different colors is picked.

We have that the possible outcomes are all possible combinations of the faces of the coin and the color of one of the balls.

Therfore, if:

The possible combinations are:

Therefore, the right answer is C.

Given:

The vertices of a triangle are A(−1,−3) , B(−4,−1) and C(−6,−4).

Transformation: Reflection over the x-axis and a translation of shifting right 10 units.

To find:

The image after glide reflection transformation.

Solution:

The vertices of a triangle are A(−1,−3) , B(−4,−1) and C(−6,−4).

If a figure is reflected over the x-axis, then

\((x,y)\to (x,-y)\)

Using this, we get

\(A(-1,-3)\to A'(-1,3)\)

\(B(-4,-1)\to B'(-4,1)\)

\(C(-6,-4)\to C'(-6,4)\)

If a figure is shifting 10 units right, then

\((x,y)\to (x+10,y)\)

Using this we get

\(A'(-1,3)\to A''(-1+10,3)\)

\(A'(-1,3)\to A''(9,3)\)

Similarly,

\(B'(-4,1)\to B''(-4+10,1)\)

\(B'-4,1)\to B''(6,1)\)

And,

\(C'(-6,-4)\to C''(-6+10,4)\)

\(C'(-6,-4)\to C''(4,4)\)

Therefore, the vertices of the image are A''(9,3), B''(6,1) and C''(4,4).

Answer:

Solving 8x ÷ 4 = 100, we have:

2x = 100

x = 50

So the value of x is 50.

Answer:

x = 50

Step-by-step explanation:

To answer this question, we have to isolate the x. To do this, we have to get rid of any other numbers around it by doing the inverse of the operation.

1)

2)

This means that x is 50!

To check our answer is correct we can substitute 50 to x in the question...

It is correct!

Hope this helps, have a lovely day! :)

The correct expression is 5/a = 1. There is no need to introduce an additional variable "x".

In such a fraction, the value that appears above the horizontal line is referred to as the numerator.

It represents the number of pieces removed from the whole. The denominator of a fraction is the numerical value that comes before the brings together various.

The error in the reasoning is that it assumes that multiplying the second fraction by "x" will result in an equivalent expression to 5/a. However, this is not necessarily true.

To correct the error, we can use the property of reciprocals, which states that if a/b = c/d, then b/a = d/c. Using this property, we can rewrite the given equation as:

a/5 = b/3

5/a = 3/b (multiplying both sides by 5/a)

5/a = (b/3) * (3/b) (multiplying both sides by the reciprocal of b/3)

5/a = 1

Therefore, the correct expression is 5/a = 1. There is no need to introduce an additional variable "x".

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Answer:

y = -32

Step-by-step explanation:

-6(y+15)=-3y+6

Distribute

-6y - 90 = -3y +6

Add 6y to each side

-6y -90+6y = -3y+6y +6

-90 = 3y+6

Subtract 6 from each side

-90 -6 = 3y +6-6

-96 = 3y

Divide by 3

-96/3 = 3y/3

-32 = y

Answer:

-32 !!!!

Step-by-step explanation:

Based on the information, the sample of the supermarket's customers is likely to be biased as only those who said yes we're considered.

In statistics, the term "bias" refers to a consistent departure from the true value. As a simple increase in sample size cannot be used to decrease it, this sampling process may provide the researcher with some major issues. The bias is the discrepancy between the parameter's actual value and its expected value.

It should be noted that based on the information, Megan interviewed the 10 who said yes.

Therefore, the sample of the supermarket's customers is likely to be biased as only those who said yes we're considered.

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Answer:

For a square of side length L, the perimeter is:

P = 4*L

Then if the perimeter of our square is 36 units, we have:

36 units = 4*L

(36 units)/4 = L = 9 units.

Now we know that one vertex of the square is located at (3, 5)

Then another vertex of the square can be at:

A distance of 9 units of this point (such that these vertices are connected by one side of the square)

Some examples can be:

(3 + 9, 5) = (12, 5)

or

(3, 5 + 9) = (3, 14)

These are the simpler options, there are a lot of other possible points that can be another vertes (we can have a circle of radius 9 units centered in the point (3, 5), all these points can be another vertex of the square).

We also can have a vertex that is connected by the diagonal, this point can be:

(3 + 9, 5 + 9) = (12, 14)

or

(3 - 9, 5 - 9) = (-6, -4)

Again, there are a lot of other possible points that can be this vertex (A circle of radius √2*9 units centered in the point (3, 5)).