What is the value of root 2 into 1?

Answers

Answer 1

0.707 is obtained by multiplying one by root 2 . Commonly used to represent the square root is the symbol '√'. Using this symbol, the number "x" can be represented as the square root of "x" by writing '√x'.

what is square root ?

A mathematical term for a factor that, when multiplied by itself, equals the original value of the original integer is the square root. Early in the second millennium BC, the Babylonians devised effective methods for approximating square roots.

here

=√2 / 2

= 1 / √2

=√2 / √2=1

=1√2 / √2√2

=√2 / 2

= 0.707

so , 0.707 is obtained by multiplying one by root 2.

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Related Questions

The circumference of a circle is C centimeters. The diameter of the circle is 13 centimeters. Which expression best represents the value of π

Answers

Answer:

C6.5

Step-by-step explanation:

LOL B-)

Answer: Its C 6.5 I got it right on a test but not sure if its right for you but i think its B also like the other guy said

someone help and PLEASE make sure it’s right plz

Answers

Answer:

So someone trolled me and deleted my answer. Don’t delete this please!! <3

Step-by-step explanation:

It is a right triangle because it has a 90º angle in it.

Please help meee! Math makes my brain hurt :(

Answers

The answer should be x=-2

5x – 3= 17
X=?
Find what x equals to.

Answers

Answer:

x=4

Step-by-step explanation:

Answer:

x = 4

Step-by-step explanation:

5x – 3= 17 add 3 to both sides

5x = 20 divide both sides by 5

x = 4

bir sayıyı 0,96 ile çarparsak bu sayıyı yüzde kaç azaltmış oluruz
A-96
B-40
C-9,6
D-4

Answers

I hope this helps you

Sayi 100A olsun

100A. 0,96=96A

100A-96A=4A

100A da 4A azaldiysa

100 de 4 azalir

Which recursive sequence would produce the sequence 8, 20, 44, ...?

Answers

Answer: Next number will be 92

Step-by-step explanation:

2×4=8

8×2+4=20

20×2+4=44

44×2+4=92

_____X^2+10x+10_____

Answers

The problem in the picture would be
x^2+10x+21

34, 57, 58, 56, 21. Which measure of center best represents the data? Explain why you chose that measure of center.

Answers

Answer:

Median

Step-by-step explanation:

The measure of center that best represents the data is median because the data is ordinal, that is it is in ranks. The first is 21, the second is 34, third is 56, fourth is 57 and fifth is 58.

do exponential functions have a vertex?​

Answers

I second that. Yes, it does.

Exponential functions do not have a vertex.

What is an exponential function?

"Exponential function, as its name suggests, involves exponents. An exponential function has a constant as its base and a variable as its exponent but not the other way round (if a function has a variable as the base and a constant as the exponent then it is a power function but not an exponential function).

In mathematics, an exponential function is a function of form [tex]f(x) = a^{x}[/tex], where “x” is a variable and “a” is a constant which is called the base of the function and it should be greater than 0."

What is the vertex of a function?

"The standard form of a quadratic equation is y = ax² + bx + c and the vertex form of the same is y = a (x - h)² + k. Here, the vertex form has a square in it. So to convert the standard to vertex form we need to complete the square."

We know that, the graph of an exponential function consists of a horizontal asymptote. However, there is no quadratic function available that consists of a horizontal asymptote.

Hence, exponential functions do not have a vertex.

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City health officials will conduct a two-sample t-test for a difference in means to investigate whether
stray dogs in the city have more fleas, on average, than do stray cats. A random sample of 22 stray dogs
had a mean of 120 fleas and a standard deviation of 20 fleas. A random sample of 15 stray cats had a
mean of 100 fleas and a standard deviation of 30 fleas.
Assuming a null hypothesis of no difference, which of the following is a correct test statistic for the test?

Answers

Answer:

The calculated value     t =   2.366 > 2.0301 at 0.05 level of significance

The null hypothesis is rejected

There is a difference between the means      

Step-by-step explanation:

Step(i):-

Given that the first sample size 'n₁' = 22

Given that the mean of the first sample x₁⁻ = 120

Given that the standard deviation of the sample (s₁) = 20

Given that the mean of the second sample x₂⁻ = 100

Given that the standard deviation of the second sample (S₂) = 30

Step(ii):-

T-test statistic

               [tex]t = \frac{x^{-} _{1} -x^{-} _{2} }{\sqrt{S^{2} (\frac{1}{n_{1} }+\frac{1}{n_{2} } ) } }[/tex]

     where

             [tex]S^{2} = \frac{n_{1} S_{1} ^{2}+n_{2} S_{2} ^{2} }{n_{1} +n_{2}-2 }[/tex]

            [tex]S^{2} = \frac{22( 20)^{2}+ 15(30) ^{2} }{22 +15-2 }[/tex]

           S² =  637.1428

           S = √637.1428 = 25.24168  

The standard deviation of the sample 'S' = 25.24168   

Step(iii):-

Null Hypothesis:H₀:

There is no difference between the means

Alternative Hypothesis:H₁:

There is a difference between the means

         T-test statistic

               [tex]t = \frac{x^{-} _{1} -x^{-} _{2} }{\sqrt{S^{2} (\frac{1}{n_{1} }+\frac{1}{n_{2} } ) } }[/tex]

              [tex]t = \frac{ 120 -100 }{\sqrt{637.14 (\frac{1}{22 }+\frac{1}{15 } ) } }[/tex]

             t =   2.366

Degrees of freedom

           γ = n₁+n₂ -2 = 22+15-2 = 35

     t₀.₀₅ = 2.0301

The calculated value     t =   2.366 > 2.0301 at 0.05 level of significance

The null hypothesis is rejected

There is a difference between the means          

The correct test statistic for the test of the hypothesis for the considered situation is 2.2619 approximately.

How to perform two sample t-test?

If the sample sizes < 30, and we want to test the difference between the sample means, then we perform t-test.

Let we have:

[tex]\overline{x}_1[/tex] = mean of first sample[tex]\overline{x}_2=[/tex] mean of second sample[tex]s_1[/tex] = standard deviation of first sample[tex]s_2[/tex] = standard deviation of second sample.[tex]n_1[/tex] = first sample's size[tex]n_2[/tex] = second sample's size

Then, the value of t-test statistic is obtained as:

[tex]t = \dfrac{\overline{x}_1 - \overline{x}_2}{\sqrt{\dfrac{s_1^2}{n_1} + \dfrac{s_2^2}{n_2}}}[/tex]

If the level of significance is [tex]\alpha[/tex], then as we have:

the degree of freedom (d.f) = [tex]n_1 + n_2 - 2[/tex],

the critical value of t is found to be [tex]t_{\alpha/2}[/tex] , then if we get:

[tex]|t| < t_{\alpha/2}[/tex] we cannot reject the null hypothesis

and if we get [tex]|t| > t_{\alpha/2}[/tex] , then we may reject the null hypothesis and thus, accept the alternate hypothesis.

For this case, we're specified that:

For sample of stray dogs:

[tex]n_1 = 22[/tex] [tex]\overline{x}_1 = 120[/tex][tex]s_1 = 20[/tex]

For sample of stray cats:

[tex]n_2= 15[/tex][tex]\overline{x}_2 = 100[/tex][tex]s_2 = 30[/tex]

Thus, the t-test statistic for the difference of mean of these two samples is calculated as:

[tex]t = \dfrac{\overline{x}_1 - \overline{x}_2}{\sqrt{\dfrac{s_1^2}{n_1} + \dfrac{s_2^2}{n_2}}}\\\\t = \dfrac{120-100}{\sqrt{20^2/22 + 30^2/15}} = \dfrac{20}{\sqrt{200/11 + 60}}\\\\\\t \approx 2.2619[/tex]

Thus, the correct test statistic for the test of the hypothesis for the considered situation is 2.2619 approximately.

Learn more about two sample t-test here:

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Use your plan of dividing both sides by five to solve the equation. What is the value of x?

Answers

where’s the equation

PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!!PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!!

Answers

y=3/4x-2

the y intercept is -2
and the slope is 3/4
slope= change in y/change in x

Will 100% give Brainiest to correct and help, please show work, needed answered asap

Answers

Answer:

x^6/2

Step-by-step explanation:

simplify the expression, 4x^4x^3/8x, you make it 4x^7/8x

and it simplifys to 4x^6/8 which then becomes x^6/2

extra note:

a^x * a^y = a^ x+y

(see attachment below)

I hope this helps :)

2: Solve for x:
2x 2= 4x + 8

Answers

Step-by-step explanation:

2x^2 - 4x - 8 = 0

x^2 - 2x - 8 =0

[tex]x = 2 ( - )(+) \sqrt{2 {}^{2} + 4.1.4 } \div 2.1 \\ x = 2( + )( - ) \sqrt{4 + 16} \div 2 \\ x = 2( - )( + ) \sqrt{20} \div 2 \\ x = 2( - )( + )2 \sqrt{5} \div 2 \\ x = 2(1( - )( + ) \sqrt{5} \div 2 \\ thefore \: x = 1 + \sqrt{5} \: or \: x = 1 - \sqrt{5} [/tex]

2x-4x=8-2
-2x=6
X=6/-2
X=-3

Kya earned $630 per week. If she worked for 30 hours, what is her hourly rate?

Answers

Answer:

$21 per hour

Step-by-step explanation:

To find this answer you do the equation:

630/30 = ?

This equals 21.

Therefore, her hourly rate is $21 per hour.

Answer:

n 1 week, she worked 30 hours. So, she earned $630 for 30 hours. The hourly rate is then 630 / 30 = 21.

HELP PLZ MARKING BRAINLIEST 10 POINTS DONT ANWSER UNLESS U KNOW!!

Answers

Answer:

Y=13/4x-1/4

Step-by-step explanation:

Good luck

It doesn’t have the plus sign

Answers

+

there u go if that helps u can copy and paste it

Answer: +

Step-by-step explanation:

Question is in image

Answers

Answer:

241.8 cm squared

Step-by-step explanation:

since this is a 5 sided pyramid, we would just need the triangle area calculating formula:

base X Height divided by 2

and then multiply it by 5

after you get the results, don't forget to add the area of the base too.

Based on the illustrations and the passage, which sentence tells how swifts and
sparrows are different?

Answers

Answer: Sparrows generally fly shorter distances than swifts do.

Step-by-step explanation: hope this right!

Answer:

What's the difference between a swallow and a swift?

=> Swifts fly in the upper part of the air column as they hunt; swallows pursue insects closer to the ground or water.

=> If the bird is perched on a nest box, power line, or branch, that's a giveaway: Only swallows have the wherewithal to sit upright. Swifts are just stage-five clingers.

=> The swift has a slightly forked tail, not as long as the swallow's.

[tex] \infty \infty [/tex]

Please answer this!!! No links !!!

Answers

My work for your question

helppp i dont get it

Answers

Answer: Your answer will be 8 s = (8,3) but since there isn’t no 3 for your answers choice then it should be 8! Hope this help!

What is the alternative press?

Answers

Answer:

D. A news organization that is not owned by a corporation.

Step-by-step explanation:

your answer is i’ll be d hope this helps you

The measures of angles X and Y are the same, x degrees. The measure of angle Z is twice the measure of angle Y. What is the measure of angle Y


Pls help me‼️‼️‼️‼️‼️

Answers

Don’t believe this link

Y = ½(Z)

Step-by-step explanation:

X = Y = x°Z = 2Y

Y = ½(Z)

help pleaseeeeeeeeeee i dont get it

Answers

Answer:

E=30H

Melissa earns $330 in 11 hours

Step-by-step explanation:

Answer:

Equation = 30h=E

Melissa's earnings for 11 hours : $363

If you need further explaination I'll be happy to help!!

~ PumpkinSpice1 ♥

what can you conclude from the box-and-whisker plot?​

Answers

Answer:

that it is a cat :')

Step-by-step explanation:

remember, whisker = cat

10
10
14
50
50
10
10
NOTE: Figure not drawn to scale.
Which statement can be used to prove that the triangles above are congruent?
A If two triangles have three pairs of corresponding sides that are congruent, then the triangles are congruent.
B If two triangles have three pairs of corresponding angles that are congruent, then the triangles are congruent
If two triangles have two pairs of corresponding sides that are congruent, and the included angles are congru
triangles are congruent.
D
If two triangles have to pairs of corresponding angles that are congruent, and the included sides are congru
triangles are congruent.

Answers

Answer:

do you have a picture or somthing beacuse i dont understand what your asking

Step-by-step explanation:

Answer: prove that two triangles with three congruent, corresponding angles are congruent, you would need to have at least one set of corresponding sides that are also congruent.

Step-by-step explanation:

PLEASE HURRY THIS IS DUE IN 1 HOUR

Answers

Answer:

36

Step-by-step explanation:

Make a big square and a little one by cutting it. 6x5 is 30 and the small one is 3x2 which is 6....add then you get 36

please help me guys I need your help

identify whether the figure labelled below is a triangle or quadrilateral

for example:

A.triangle
that's what I know​

Answers

Answer:

A. triangle, B. quadrilateral, C. triangle, D. quadrilateral, E. quadrilateral, F. triangle, G. triangle, H. quadrilateral, I. triangle, J. triangle

Step-by-step explanation:

triangles have 3 sides, quadrilaterals have 4 sides

Answer:

A-Triangle

B- Quadrilateral

C- Triangle

D- Quadrilateral

E- Quadrilateral

F-Triangle

G-Triangle

H-Quadrilateral

I- Triangle

J-Triangle

Step-by-step explanation:

If it has 3 sides it’s a triangle, if it has 4 it’s a quadrilateral.

Unit 8 7th grade math

Answers

The mean is 9
First you add all the number then you divide by the amount of numbers

Which describes the cross section of the square prism that passes through the vertices A, B, C, and D shown

Below

Answers

Answer:

first of all,

Step-by-step explanation:

In triangle ABC one side equal  and two sides equal  

Step-by-step explanation:

We are given a prism whose base is square with sides 8 in and height 12 in.

If we take cross section through vertices A, B and C

We will get a cross section as triangle.

In triangle ABC, sides are AB, BC and AC

AB is diagonal of top square whose side 8 in.

AC is face diagonal of front face.

BC is face diagonal of right face.

AC=BC≠AB

Hence, In triangle ABC one side equal  and two side equal  

Hope this helps!!

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