someone please help me with my math

Answer:

28

Step-by-step explanation:

Given:

Let [tex]x[/tex] = first number

[tex]\implies \dfrac76x = \textsf{second number}[/tex]

Therefore, as the sum of the two numbers is 52:

[tex]\implies \dfrac76x+x=52[/tex]

[tex]\implies \dfrac76x+\dfrac66x=52[/tex]

[tex]\implies \dfrac{13}{6}x=52[/tex]

[tex]\implies13x=52 \cdot 6[/tex]

[tex]\implies13x=312[/tex]

[tex]\implies x=\dfrac{312}{13}[/tex]

[tex]\implies x=24[/tex]

Therefore, the largest number is:

[tex]\implies \dfrac76\cdot 24 =\dfrac{168}{6}=28[/tex]

Answer:

10.5

Step-by-step explanation:

you half 50 minutes to get 25 so you do the same to the seven to get 3.5 and then you add 7 and 3.5 together

Answer:

Ben

Step-by-step explanation:

Ben is correct. because you have  to start 0° from right hand side.

Answer:

Step-by-step explanation:

Remark.

I take it that this is a calculus question question.

Expand c(x)

c(x) = 0.45 + 0.2x - 0.2        Combine

c(x) = 0.25 + 0.2x/dx

c(x) =  0.2

The third angle measures 30° and two sides have the same length.

A triangle is a polygon with three sides and three angles. The angles in a triangle sum up to 180°.

Types of triangles are scalene, isosceles, equilateral and right angled triangle.

Let x represent the third angle of a triangle with angle measures of 30° and 120°. Hence:

x + 120 + 30 = 180° (sum of angles in a triangle)

x = 30°

Since two angles are the same, hence two sides have the same length.

Find out more on triangle at: https://brainly.com/question/2644832

Answer:

x = 30°

Step-by-step explanation:

Let x represent the third angle of a triangle with angle measures of 30° and 120°. Hence:

x + 120 + 30 = 180° (sum of angles in a triangle)

Since two angles are the same, two sides have the same length.

Answer:

$2.25

Step-by-step explanation:

First, you have to add the amount that Aaron paid. Then, subtract it from 10, which is the amount of the bill he is paying with.

5.25 + 2.50 = 7.75

10-7.75 = 2.25

Answer:

$2.25

Step-by-step explanation:

First, we will find out how much he needs to pay.

$5.25 + $2.50 = $7.75

Then, we will find the amount of change he should receive.

$10.00 - $7.75 = $2.25

Answer:

24.123

Step-by-step explanation:

Simplify  6.7 + 3  to  9.7

9.7 + 9.863 + 4.56

Simplify  9.7 + 9.863   to  19.563

19.563 + 4.56

Simplify

24.123

Answer:

y = -2

Step-by-step explanation:

Y × 9 = -18

Y = -18 / 9

Y = -2

Answer:

I guess it's 6 but I'm not really sure about my answer

Substitute [tex]y = x^{\frac{2n-1}2}[/tex] and [tex]dy = \frac{2n-1}2 x^{\frac{2n-3}2} \, dx[/tex]. Then the integral is

[tex]\displaystyle \int_0^\infty \frac{x^{\frac{2n-3}2} \tan^{-1}\left(x^{2n-1}\right)}{1 + x^{2n-1}} \, dx = \frac2{2n-1} \underbrace{\int_0^\infty \frac{\tan^{-1}\left(y^2\right)}{1 + y^2} \, dy}_I[/tex]

which is to say, the integral is now independent of n. Then

[tex]\displaystyle \sum_{n=1}^\infty (-1)^{n+1} \int_0^\infty \frac{x^{\frac{2n-3}2} \tan^{-1}\left(x^{2n-1}\right)}{1+x^{2n-1}} \, dx = I \sum_{n=1}^\infty \frac{2(-1)^{n+1}}{2n-1}[/tex]

Let's evaluate the sum. Recall that if |x| < 1, we have

[tex]\displaystyle \frac1{1-x} = \sum_{n=0}^\infty x^n[/tex]

which means

[tex]\displaystyle \frac1{1+x^2} = \frac1{1-(-x^2)} = \sum_{n=0}^\infty \left(-x^2\right)^n = \sum_{n=0}^\infty (-1)^n x^{2n}[/tex]

By the fundamental theorem of calculus, integrating both sides gives

[tex]\displaystyle \tan^{-1}(x) = \sum_{n=0}^\infty (-1)^n \frac{x^{2n+1}}{2n+1} = \sum_{n=1}^\infty (-1)^{n+1} \frac{x^{2n-1}}{2n-1}[/tex]

As x approaches 1 from below, we have

[tex]\displaystyle \lim_{x\to1^-} \tan^{-1}(x) = \lim_{x\to1^-} \sum_{n=1}^\infty (-1)^{n+1} \frac{x^{2n-1}}{2n-1}[/tex]

[tex]\displaystyle \frac\pi4 = \sum_{n=1}^\infty \frac{(-1)^{n+1}}{2n-1} \left(\lim\limits_{x\to1^-} x^{2n-1}\right) = \sum_{n=1}^\infty \frac{(-1)^{n+1}}{2n-1}[/tex]

and so

[tex]\displaystyle \sum_{n=1}^\infty (-1)^{n+1} \int_0^\infty \frac{x^{\frac{2n-3}2} \tan^{-1}\left(x^{2n-1}\right)}{1+x^{2n-1}} \, dx = \frac\pi2 I[/tex]

Now compute the remaining integral. First split it at y = 1 :

[tex]\displaystyle I = \int_0^1 \frac{\tan^{-1}\left(y^2\right)}{1 + y^2} \, dy + \int_1^\infty \frac{\tan^{-1}\left(y^2\right)}{1 + y^2} \, dy[/tex]

In the second integral, notice that replacing [tex]z=\frac1y[/tex] and [tex]dy = -\frac{dz}{z^2}[/tex] yields

[tex]\displaystyle \int_1^\infty \frac{\tan^{-1}\left(y^2\right)}{1 + y^2} \, dy = - \int_1^0 \frac{\tan^{-1}\left(\frac1{z^2}\right)}{1 + \frac1{z^2}} \, \frac{dz}{z^2}  = \int_0^1 \frac{\tan^{-1}\left(\frac1{z^2}\right)}{1+z^2} \, dz[/tex]

The inverse tangent function has the property

[tex]\tan^{-1}(x) = \dfrac\pi2 - \tan^{-1}\left(\dfrac1x\right)[/tex]

so it follows that

[tex]\displaystyle \int_0^1 \frac{\tan^{-1}\left(\frac1{z^2}\right)}{1+z^2} \, dz = \frac\pi2 \int_0^1 \frac{dz}{1+z^2} - \int_0^1 \frac{\tan^{-1}(z^2)}{1+z^2} \, dz[/tex]

and hence

[tex]\displaystyle I = \int_0^1 \frac{\tan^{-1}\left(y^2\right)}{1 + y^2} \, dy + \frac\pi2 \int_0^1 \frac{dz}{1+z^2} - \int_0^1 \frac{\tan^{-1}(z^2)}{1+z^2} \, dz[/tex]

[tex]\displaystyle I = \frac\pi2 \int_0^1 \frac{dz}{1+z^2}[/tex]

[tex]I = \dfrac\pi2 \times \dfrac\pi4 = \dfrac{\pi^2}8[/tex]

Then the original expression has an exact value of

[tex]\displaystyle \sum_{n=1}^\infty (-1)^{n+1} \int_0^\infty \frac{x^{\frac{2n-3}2} \tan^{-1}\left(x^{2n-1}\right)}{1+x^{2n-1}} \, dx = \frac\pi2 \times \frac{\pi^2}8 = \boxed{\frac{\pi^3}{16}}[/tex]

Answer:

17%

Step-by-step explanation:

The initial value was 117,000

the final value was 136,900 i assume and not 136,90 like you had typed.

Answer:

about 198 miles

Step-by-step explanation:

183.38

- 18.95

_______

164.45 divided by .87 is 198.0229885057

Answer:

No

Step-by-step explanation:

The ratios are not common

Answer:

No

Step-by-step explanation:

the ratios are not common.

Answer:

0.05x+0.10(35-x)=2.50

(0.05x+3.5-0.10x=2.50) get rid of devimal points by multiplying both sides by 100

check

Answer:

The answer is 56m

Step-by-step explanation:

3696m³÷66m=56m

Hope this help!!

Width be x

ATQ

[tex]\\ \rm\hookrightarrow Area=Length\times breadth [/tex]

[tex]\\ \rm\hookrightarrow 66x=3696[/tex]

[tex]\\ \rm\hookrightarrow x=3696/66[/tex]

[tex]\\ \rm\hookrightarrow x=56m[/tex]

Hello.

First, we have a number k multiplied by 6, so we write

6 times a number k

or

6 times k

Now, we also add 23.

We can write it as

the product of 6 and k plus 23

or

6 times k plus 23

I hope it helps.

Have a nice day.

[tex]\boxed{imperturbability}[/tex]

Answer:

Denominators

Step-by-step explanation:

a. 4

b. 7

c. 3

d. 3

Just divide the denominator of the fractions

Answer:

Step-by-step explanation:

320% 360 = ?

320/100 * 360 =

3.2*360 = 1152

Answer:

three-thirty (3:30)

Step-by-step explanation:

An hour is 60 minutes, so half an hour would be 30 minutes. Half past 3 would also be 30 minutes past 3, or 3:30.

I hope this helps!! :) Have a lovely day!!!

Answer:

3c-6

Step-by-step explanation:

One day is c-2 so we need to multiply by 3. We get 3(c-2) or 3c-6.

Tip: use the variables/numbers in the problem to form an equation. Then, simplify.

Answer:

Step-by-step explanation:

12% of 85 =x                Change the % to a fraction

12/100 * 85 =  x            Divide 100 into 85

12 * 0.85 = x                 Multiply by 12

10.2 = x

Answer:

= 0.25

Step-by-step explanation:

p (A)= 0.4

P (B)= 0.6

P (A and B) = P (A) × P (B)

= ( 0.4 × 0.6 )

= 0.25

A. The mass of the rock in ounce is 22400 ounce.

B. The mass of the rock in ton is 0.7 ton

1 pound = 16 ounce

Therefore,

1400 pound =1400 × 16

1400 pound = 22400 ounce

1 pound = 0.0005 ton

Therefore,

1400 pound =1400 × 0.0005

1400 pound = 0.7 ton

Learn more about conversion:

https://brainly.com/question/2139943

Answer:

Divide by 2.54

Step-by-step explanation:

Because a centimeter is smaller than an inch, you have to divide by 2.54 when converting from cm to inches.

Answer:

7

Step-by-step explanation:

2(3)(0) + 7

6(0) + 7

0 + 7

7

Have an amazing day!

PLEASE RATE!

Answer:

The least common denominator for 1/3 and 5/11 is 33, and the least common denominator for 4/5 and 1/6 is 30! Hope this helps.

Step-by-step explanation:

Answer:

there were 223 child plates and 149 adult plates

Step-by-step explanation:

There were 223 child plates.

Since there were a total of 372 plates, there will be 149 adult plates (223 + 149 = 372)

To verify, the total amount raised would be $2121.50:

3.50c + 9a = 2121.50

3.50*223 + 9*149 = 780.50 + 1341.00= $2121.50

Answer:

area of a deck

A= External area - Internal area

A = length x width

A = ( 44ft x 28ft) - ( 32ft x 16ft)

A = 720ft²