pls help me my problem is how to use square root​

Answer:

SYMMETRICAL DESIGN: A formal, equilateral triangular design. ROUND DESIGNS: Do not require a focal point. HOOK METHOD: Wiring technique in which the wire is inserted through the flower and a small hook is formed in the wire before it is pulled back into the flower.

Step-by-step explanation:

A triangular arrangement is a formal, equilateral triangular design. Option D

A formal, equilateral triangle pattern is referred to as a triangular arrangement. It entails arranging components or things in a configuration that resembles an equilateral triangle.

In a variety of disciplines, including art, architecture, and landscaping, this arrangement is used. All three sides of the equilateral triangle are identical in length, and all three angles are 60 degrees.

As the equilateral triangle is seen as a stable and aesthetically beautiful shape, the triangular arrangement is frequently employed to establish balance, harmony, and aesthetic appeal in a design.

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Answer:

−4x−6

Step-by-step explanation:

Distribute the Negative Sign:

=2(x+2)−x+3(−x−2)+−1(2x+4)

=2(x+2)+−x+3(−x−2)+−1(2x)+(−1)(4)

=2(x+2)+−x+3(−x−2)+−2x+−4

Distribute:

=(2)(x)+(2)(2)+−x+(3)(−x)+(3)(−2)+−2x+−4

=2x+4+−x+−3x+−6+−2x+−4

Combine Like Terms:

=2x+4+−x+−3x+−6+−2x+−4

=(2x+−x+−3x+−2x)+(4+−6+−4)

=−4x+−6

Answer:

-4x - 6

Step-by-step explanation:

2(x+2)−x+3(−x−2)−(2x+4)

Distribute the Negative Sign:

=2(x+2)−x+3(−x−2)+−1(2x+4)

=2(x+2)+−x+3(−x−2)+−1(2x)+(−1)(4)

=2(x+2)+−x+3(−x−2)+−2x+−4

Distribute:

=(2)(x)+(2)(2)+−x+(3)(−x)+(3)(−2)+−2x+−4

=2x+4+−x+−3x+−6+−2x+−4

Combine Like Terms:

=2x+4+−x+−3x+−6+−2x+−4

=(2x+−x+−3x+−2x)+(4+−6+−4)

=−4x+−6

The other two angle measures of a right triangle with side lengths 5, 12, and 13 can be found using trigonometric ratios. Let's label the sides of the triangle as follows:

- The side opposite the angle we are looking for is 5.
- The side adjacent to the angle we are looking for is 12.
- The hypotenuse is 13.

To find the first angle, we will use the inverse tangent function (tan^(-1)). The formula is:
Angle = tan^(-1)(opposite/adjacent)

Plugging in the values, we get:
Angle = tan^(-1)(5/12)

Using a calculator, we find this angle to be approximately 22.6 degrees (rounded to the nearest degree).

To find the second angle, we will use the fact that the sum of the angles in a triangle is 180 degrees. Therefore, the second angle can be found by subtracting the right angle (90 degrees) and the first angle from 180 degrees.
Second angle = 180 - 90 - 22.6

Calculating this, we find the second angle to be approximately 67.4 degrees (rounded to the nearest degree).

Therefore, the other two angle measures of the right triangle are approximately 23 degrees and 67 degrees.

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Answer:

2106

Step-by-step explanation:

Answer:

The triangles are similar, therefore the ratio of 2:1 is constant for all sides as shown in 20:10.

Therefore, x is 14.

The simplified form can be written as -

7.8y + 1.4z

We have the following expression -

6(0.7y + 0.8z) − 4z − 6(−0.1z − 0.6y)

We have -

6(0.7y + 0.8z) − 4z − 6(−0.1z − 0.6y)

(6 x 0.7y + 6 x 0.8z) - 4z + 6 x 0.1z + 6 x 0.6y

4.2y + 4.8z - 4z + 0.6z + 3.6y

7.8y + 4.8z - 3.4z

7.8y + 1.4z

Therefor, the simplified form can be written as -

7.8y + 1.4z

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The probability that one of the scores in the sample is less than 1484 is 0.2437 .

a)Given that mean u = 1403

standard deviation σ = 200

sample size n = 32

P(x>1484) = P(X-u/σ > 1484-1403/200)

                = P (z > 0.405)

P(x>1484) = 0.2437 .

hence the probability that one score is greater than 1484 is 0.405 .

b) Now we have to find the average of the scores of 48 samples.

P(x>1484)

= P(x-μ/ σ/√n> 1484-1403 /200/√48)

= P(z>2.805.)

Now we will use the normal distribution table to calculate the p value to be 0.002516.

p-value = 0.0025

Normal distributions are very crucial to statistics because not only they are commonly used in the natural and social sciences but also to describe real-valued random variables with uncertain distributions.

They are important in part because of the central limit theorem. This claim states that, in some cases, the average of many samples (observations) of a random process with infinite mean and variance is itself a random variable, whose distribution tends to become normal as the number of samples increases.

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Answer:

52°

Step-by-step explanation:

it should always add up to 180°

Answer: 112.5

Step-by-step explanation: When line AB and CD intersect at point E, angle AEC equals BED so you set them equal to each other and find what x is. 5x -20 = x + 50, solving for x, which gives you 17.5. Finding x will tell you what AEC and BED by plugging it in which is 67.5. Angle BED and BEC are supplementary angles which adds up to 180 degrees. So to find angle CEB, subtract 67.5 from 180 and you get 112.5 degrees.

Answer:

it is 47.25 I think :] I'm not the best at that kind of stuff but I think that's the answer

The correct options are:

The sculpture melts 2 inches each hour.

The initial height of the sculpture is 24 inches.

A fraction is a part of a whole. In arithmetic, the number is expressed as a quotient, in which the numerator is divided by the denominator. In a simple fraction, both are integers. A complex fraction has a fraction in the numerator or denominator. In a proper fraction, the numerator is less than the denominator.

The height fraction of this ice sculpture is:

h(t) = - 2t + 24

when t = 0, then

h = -2 . 0 + 24 = 24

So, the initial height of the sculpture is 24 inches.

The slope of this function is -2.

So the sculpture melts 2 inches each hour.

Let h(t) = 0

-2t + 24 = 0

2t = 24

t = 12

So, it takes the sculpture 12 hours to melt completely.

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Answer:

1 kg = 2.205 lb

34 X 2.205 = 74.97lbs

74.97 - 50 = 24.97

25 x 5 = $125

Given that the discharge current decreases to 27% of its initial value in 1.40 ms, we can use the equation of discharge current:

The capacitance of the capacitor is 0 F.

Part A:

Given that the discharge current decreases to 27% of its initial value in 1.40 ms, we can use the equation of discharge current:

I = I₀e^(-t/RC)

Here,

I₀ = initial current

R = resistance

C = capacitance

t = time

We are given that the current is 27% of the initial value, so the equation becomes:

0.27 = \(1e^(-1.40*10^-3/RC)\)

Simplifying the equation, we find:

RC =\(3.28* 10^-3 s\)   ----(1)

Part B:

The time taken to discharge a capacitor through a resistance R is given by:

t = RC ln (Vc/V₀)

where Vc = voltage across the capacitor at time t and V₀ = initial voltage across the capacitor.

Substituting the values, we have:

\(1.40*10^-3\) = C*90 ln (0/100)

Since a fully discharged capacitor has a voltage of 0, we set Vc = 0. Thus, the equation becomes:

\(1.40*10^-3\)= C*90 ln (0)

The natural logarithm of 0 is negative infinity. Therefore, the equation becomes:

\(1.40*10^-3\)= C*90*(-infinity)

Simplifying further, we find:

C = 0

Thus, the value of capacitance is 0 F.

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Step-by-step explanation:

do like the picture I sent

Answer:

11x + 4y - y^2

Step-by-step explanation:

You plus the same variables, in this time you got 9x and 2x so it's 11x!

Answer:

11x + 4y - y²

Step-by-step explanation:

9x + 4y + 2x - y²

combine like terms

11x + 4y - y²

Answer:

SEOT EHT NO TEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEY

Step-by-step explanation:

The product of 2 odd numbers will be odd and any number that is a multiple of 2 is even.

Odd numbers are those numbers that cannot be divided into two equal parts, whereas even numbers are those numbers that can be divided into two equal parts

let the odd number be 2x+ 1

and the even number be 2x

Now, the product of two odd numbers

=(2x + 1)(2x + 1)

= 4x² + 4x + 1.

Here, 4x² is even because 4x² can be expressed as multiple of 2.

Also, 4x is even because 4x can be expressed as multiple of 2.

So, the expression 4x² + 4x + 1 is odd because an even number + 1 is odd.

Hence, the product of 2 odd numbers will be odd.

and any number that is a multiple of 2 is even.

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A conclusion which can be inferred about an individual score that corresponds to a z-value of 1.0 is that: c.) it is likely to come from the healthy distribution.

A z-value is also referred to as a z-score or standard score and it can be defined as a measure of the distance between a raw score and the mean, when standard deviation units are used.

In Statistics, z-values can either be positive or negative and it can be calculated by using this formula:

\(Z=\frac{x\;-\;u}{\delta}\)

Where:

Since the individual score that corresponds to a z-value of 1.0, we can reasonably infer and logically conclude that an individual score is likely to come from the healthy distribution.

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Complete Question:

Scores of healthy adults on a neurological test form a normal distribution with mean = 100 and SD = 15. What conclusion can be inferred about an individual score that corresponds to a z value of 1.0?

a.) it falls in the general region of the population

distribution

b.) it falls in the common region of the distribution

c.) it is likely to come from the healthy distribution

d.) it is unlikely to come from the healthy distribution

Answer:

60

Step-by-step explanation:

(2x+15)=135    They're corresponding angles so they equal/congruent

     -15   -15       Subtract 15 on both sides since you're looking for x

2x = 120       Bring down the remains and subtract 135 from 15

 2        2        Add 2 on both sides

x= 60            Divide.

The median exceeds the mean by more. The histogram is skewed to the right, which shows that lower values are dragging down the mean.

The median of the histogram on the right is higher than the mean. This is evident from the histogram's form, which is tilted to the right. This shows that the lower values tend to drag the mean down. The median is greater than the mean. The right-handed skewness of the histogram indicates that the mean is being pulled down by lesser values and However, because it is the centre number and is only impacted by the higher and lower values equally, the median is unaffected by the lower values. Because of this, the mean in this histogram is less than the median.

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Answer:

375 females

Step-by-step explanation:

150/200 = 75%

375/500 = 75%

Answer:

b > 3

Step-by-step explanation:

\(12b-15>21\\\\12b-15+15>21+15\\\\12b>36\\\\\frac{12b>36}{12}\\\\\boxed{b>3}\)

Hope this helps.

Answer:

25

Step-by-step explanation:

You need to reverse the operations given that 60 is equal to (2x+10)

so first you would subtract 10 from 60 that would equal 50. that divide by two to get 25.

Answer:

x=25

Step-by-step explanation:

60=2x+10

subtract 10 from both sides

50=2x

50/2 = 25

25=x

Answer:

j=4

Step-by-step explanation:

5j+15=12j-13

Answer: j = 4

Step-by-step explanation:

5j + 15 = 12j - 13

5j = 12j - 28                  Subtract 15 from both sides        

-7j = -28                        Subtract 12j from both sides

j = 4                               Divide -7 from both sides

In conclusion  there are no points among the given options that are on the parabola.

why it is?

The vertex of the parabola is the midpoint between the point (6, 2) and the line y = 4, which is at (6, 3). Since the focus is below the vertex and the directrix is a horizontal line, the equation of the parabola is of the form:

(x - h)²2 = 4p(y - k)

where (h, k) is the vertex and p is the distance from the vertex to the focus (and from the vertex to the directrix).

Using the vertex and the given point (6, 2), we can find that p = 1. Therefore, the equation of the parabola is:

(x - 6)²2 = 4(y - 3)

Now we can check which of the given points satisfy this equation:

A. (4, 6)

(4 - 6)²2 = 4(6 - 3)

4 = 12 - 12

This point is not on the parabola.

B. (5, 7)

(5 - 6)²2 = 4(7 - 3)

1 = 16

This point is not on the parabola.

C. (6, 5)

(6 - 6)²2 = 4(5 - 3)

0 = 8

This point is not on the parabola.

D. (7, 6)

(7 - 6)²2 = 4(6 - 3)

1 = 12

This point is not on the parabola.

E. (8, 5)

(8 - 6)²2 = 4(5 - 3)

4 = 8

This point is not on the parabola.

Therefore, there are no points among the given options that are on the parabola.

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Complete question:

Which points are on the parabola defined as the set of points the same distance from (6,2) and the line y=4?

Answer: 8575/2

Step-by-step explanation:

The quota of the weighted voting system is between 14.5 and 29

Given: [15: 13,10,6]

First, find the total:

Total weight = 13 + 10 + 6 = 29

Then, find half of the total weight: 29/2 = 14.5

So the quota must be between 14.5 < q ≤ 29

Remember: The given quota(q) is 15

Since the quota is 15, and 14.5 is between 14.5 and 29. Therefore, this voting system is valid

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Answer: 16

Step-by-step explanation:

Looking at the table, we have to find the pattern. Based on each row, I don't really see the relation, so let's look by columns.

I'm noticing that 4x2=8 and 3x2=6.

In the third row, we can see that 3x4=12. So that means we should do 4x4=16 to find ?

So far, we think it can be 16, but let's check the last row to be sure.

The last row says 4x5=20 and 3x5=15. This is correct, so it's safe to conclude that ? is 16.

Answer:

? = 16

Step-by-step explanation:

All work is shown in the attached screenshot! :)

Step-by-step explanation:

you would do 3 ÷ .99 and then when you get the answer from that you would multiply it by 5.

Answer:0.33 for one

Step-by-step explanation:

How to know is by dividing by 3