I need help with this please

mp=n+x the P on the right side cancels out now you want to shift the n to the left side by subtracting it from both sides x=mp-n so that leaves us with the solution. m=n+x/p first you want to move the P over to the left side by x P so that leaves us with the answer. ...

mp=n+X  X=mp-n, where m=n+x/p multiplies p on both sides.

How can you change the formula so that x is the subject?

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x = mp - n ( x as the subject of m= n+ x/p)

How to make x the subject of m = n +x/p ?

[tex]m =\frac{n+x}{p} \\\\mp = n+ x\\\\mp - n = x\\\\x= mp -n[/tex]

What is making x the subject?

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The score required for the exam so that the score is higher than 30.85% is 412 for certain standardized test.

The formula for finding the z-score is;

z = (x - μ)/σ

x = sample size

μ = mean of the population

σ = standard deviation of the population.

The given values are-

μ = 421

σ = 18

Probability = 30.85% = 0.3085

Check the z-score from the negative z table for 0.3085

z score = -0.5

Put the values in z formula and find x.

z = (x - μ)/σ

-0.5 = (x - 421)/18

Simplifying;

x = -9 + 421

x = 412

Thus, the score required for the standardized test is found as 412.

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Answer:

1 1/2 = 3/2

3/2 x 14

= 42/2

=21

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

it is simple.

because AB > AD, their size representations must have the same relationship.

therefore,

9x - 16 > 1.5x + 42

that could be simplified to

7.5x > 58

The inequality that represents AB > AD is B: 9x - 16 > 1.5x + 42.

Inequality is a relation that compares two numbers or other mathematical expressions in an unequal way.

The symbol a < b indicates that a is smaller than b.

When a > b is used, it indicates that a is bigger than b.

a is less than or equal to b when a notation like a ≤ b.

a is bigger or equal value of an is indicated by the notation a ≥ b.

Given, In Rectangle ABCD the length of AB is greater than the length of AD.

∴ The inequality that represents this is AB > AD which is,

9x - 16 > 1.5x + 42.

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dy/dx = -2√e⁴ - 16/e⁴ - 8 is differential equation .

The meaning of a differential equation?

  y = In( x² + y² )

now doing implicit differentiation

  dy/dx  = d/dx In( x² + y² )

dy/dx = 1/(x² + y² )  × d/dx ( x² + y² )

 dy/dx = 1/x² + y²  × ( 2x + 2y dy/dx)

 (x² + y² )dy/dx = 2x + 2y dy/dx

 dy/dx (x² + y²  - 2y) = 2x

  dy/dx = 2x/(x² + y²  - 2y)

 we need to calculate dy/dx at ( - √e⁴ - 16 , 4 )

dy/dx = [tex]\frac{2 * ( - \sqrt{e^{4} - 16} }{-\sqrt{(e^{4 - 16)^{2} }+ ( 4)^{2} - 2 * 4 } }[/tex]

 dy/dx = - 2√e⁴ - 16/e⁴ - 16 + 16 - 8

dy/dx = -2√e⁴ - 16/e⁴ - 8

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Answer:

The answer to the first question is the first option

The answer to the second question is the third option

the answer to the third one is the second option

Step-by-step explanation:

*I'm not 100% sure about these but it's probably right*

Answer:

1. First one

2. Third one

3. Second on

Step-by-step explanation:

(★ ω ★)

Answer:

It would take 75 minutes for Susan to run 10 miles.

Step-by-step explanation:

10 miles divided by 4 = 2.5

30 min. x 2.5 = 75 minutes

Answer:

21 kilograms

Step-by-step explanation:

Every hour she produces 3 kilograms of dough.  9/3 = 3.  So, in 7 hours, she can produce 21 kilograms of dough

Answer:

I want points

Step-by-step explanation:

e

The sum of the first 7 terms for the geometric sequence with first term 3, seventh term 46,875, and common ratio 5 is 58,583.

A geometric progression is a sequence where each and every succeeding term is formed by multiplying the preceding term by a constant number. That constant number is called common ratio.

The common ratio is provided to be 5. While the first term is 3.

The seventh term is 46875.

The formula for sum of n terms of a GP is,

Sn = a(rⁿ-1)/(r-1)

We have to find sum of seven terms,

Sn = a(r⁶.r - 1)/(r-1)

Putting,

a = 3

r = 5

n =6

Sn = 3(5⁶.5 - 1)/(5-1)

Sn = (3.5⁶.5 - 3)/4

Sn = (46875×5 - 3)/4

Sn = (234375-3)/4

Sn = 234372/4

Sn = 58593.

The sum is 58593.

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Answer:

7777777777777777777777770

Step-by-step explanation:

7777777777777777777777770

Answer:

Question A: They should add product B because it has a 69% rate of approval. They can be 69% confident that the addition of product B will be successful.

  Question B: 31% of people would prefer cookie A over cookie B

Step-by-step explanation:

Answer: rotation 90° clockwise about the origin

The missing step is rotation 90° clockwise about the origin.

A translation in math moves a shape left or right and/or up or down. The translated shapes look exactly the same size as the original shape, and hence the shapes are congruent to each other. They just have been shifted in one or more directions.

In the graph, triangle 1 is translated to triangle 2.  

Triangle 1 has three transformations, rotation 90° clockwise, translation 3 units to the right and 4 units down.

Therefore, the missing step is rotation 90° clockwise about the origin.

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Answer:3

Step-by-step explanation:

The current location of the submarine would be -50 feet.

The questions says that the submarine was at -20 feet already.

Now it says that it descended 30 feet. Remember that the descent refers to a fall. Hence the way that it would be represented would be through the use of a negative sign.

This would be -30

The current location of the descent of the submarine would be

-20 - 30

= -50 feet

Therefore the current location of the submarine would be -50 feet.

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Answer: 0.6

Step-by-step explanation: To find the decimal you seek, you put 12 over 20, 12/20. That means you divide it, so 12 divided by 20 is 0.6, or 60%.

[tex]3x + x + (x + 12) = 152[/tex]

<AOD =<COB(VERTICAL OPPOSITE ANGLES)

[tex]3x + x + x = 152 - 12 \\ 5x = 140 \\ \frac{5x}{5} = \frac{140}{5} \\ x = 28[/tex]

x=28°

be reminded that <COB IS MADE OF ALOT OF BRANCH ANGLES THAT WE HAD TO ADD TO GET IT

i.e <COE,<EOF AND <FOB

Answer:x=28°

Step-by-step explanation:

152=3x+x+x+12

152=5x+12

140=5x

x=28

The mean increases by 23 and the median stays the same.

A data set's mean (average) is calculated by summing all of the numbers in the set, then dividing by the total number of values in the set. When a data collection is ranked from least to greatest, the median is the middle value.

Given the data set: 352, 409, 424, 471, 497, 503, 515, 525, 561

(a) Mean = [tex]\frac{352+409+424+471+497+503+515+525+561}{9}[/tex]

Mean = [tex]\frac{4257}{9}[/tex]

= 473

The number 561 from this list changes to 768.

New mean = [tex]\frac{352+409+424+471+497+503+515+525+768}{9}[/tex]

= [tex]\frac{4464}{9}[/tex]

= 496

Thus, the mean increases by 496 - 473 = 23.

(b) Median = mid value

= 497

When the number 561 changes to 768, still the mid value will remain the same i.e. the median remains the same.

Therefore, the mean increases by 23 and the median stays the same.

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An equation in slope-intercept form for the line perpendicular to y = 3x + 9 that contains (-6, 3) is 3 = -1/3(-6) + 1.

The most "popular" type of a straight line is one with a slope-intercept. Due to its simplicity, this is helpful to a lot of students. The slope and y-intercept of the straight line can be easily determined or read off from this form, making it possible to describe its properties without having access to the graph.

The equation for a line written in slope-intercept form

y = mx + b

Where,

m is the slope, and b is the y-intercept.

We know that the slope of a line perpendicular to given equation becomes reciprocal with opposite sign.

So, here slope is 3 and in perpendicular line it will become -1/3.

Now we will go with slope-intercept form and put the values (-6, 3) as x and y in y = mx + b

⇒ 3 = -1/3(-6) + b

Lets solve for b

⇒ b = 3 - ( -1/3(-6))

       = 3 - (2)

       = 1

Now we have the desired equation

3 = -1/3(-6) + 1

Thus, An equation in slope-intercept form for the line perpendicular to y = 3x + 9 that contains (-6, 3) is 3 = -1/3(-6) + 1.

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D. The value of g(-2) is greater than the value of g as a result (4).

What is function?

A mathematical phrase, rule, or law that establishes the link between an independent variable and a dependent variable (the dependent variable). In mathematics, functions exist everywhere, and they are crucial for constructing physical links in the sciences. Numbers, formulae, and related structures, shapes, and the spaces in which they are contained, as well as quantities and their variations, are all covered in the field of mathematics.

Given Data

function g(x) = -3x + 4,compare and contrast g(-2) and g(4)

We have provided that

g(x) = -3x + 4

g (-2) = -3 ( -2) + 4.

g (-2) = 6 + 4

g (-2) = 10 .

Now,

g (4) = -3 ( 4) + 4.

g (4) = -12 +4 .

g (4) = -8.

g (-2) > g (4)

10 > -8 .

D. The value of g(-2) is greater than the value of g as a result (4).

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In order to determine which person is the first to win both prizes, you have to find the least common multiple to both numbers 14 and 10.

To determine what is the least common multiple number you proceed as follow:

You list different multiples of each number 14 and 10.

For 14: 14 28 42 56 70 84 98 112

For 10: 10 20 30 40 50 60 70 80

The least common multiple is 70, becasue is the first common number in each list.

Hence the 70th person in the line will win both prizes.

The magnitude of force is  364.65 Kg / ( m/s²)

An influence that can change the motion of an object. A force can cause an object with mass to change its velocity, i.e., to accelerate.

given:

m = 85 Kg

a= 4.29 m/s²

We know

Force = mass x acceleration

F= 85 x 4.29

Force = 364. 65

Hence, the magnitude of force is 364.65 Kg / ( m/s²)

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The BEST strategy for this proof is (A) Use the Midpoint Formula to find the coordinates of M, then use the Distance Formula to verify that AC= BD

The theorem is given as

Theorem: The diagonals of a parallelogram bisect one another.

Also, we have the following given parameters

AD//BC; AB//CD;

AC and BD intersect at M.

The above means that:

Lines AD and BC are parallel lines, and AB and CD are parallel lines

The statement AC and BD intersect at M implies that

AM = MC and BM = MD.

The above means that we need to calculate the lengths of the above segments, and then make comparison

The lengths of the segments can be calculated using the distance formula

Other than that, the coordinate of the point M needs to be calculated

The option that satisfies the above conditions is (a)

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Answer:

600

Step-by-step explanation:

[tex]R(1)=400 \\ \\ R(2)=1000 \\ \\ R(2)-R(1)=600[/tex]

For the application of the law of sine the true statement is that at least one side length and opposite angle pair must be known.

The law of sine is used to solve the sides and angles of a triangle.

Law of sines defines the ratio of sides of a triangle and their respective sine angles are equivalent to each other.

In other words,  the law of sines is defined as the ratio of side length to the sine of the opposite angle.

It holds for all the three sides of a triangle respective of their sides and angles.

Therefore, the law of sine can be expressed as follows:

a / sin A = b / sin B = c / sine C

Hence, the statement that is true is at least one side length and opposite angle pair must be known.

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After evaluating the limit we have came to find that the limit of      [tex]\lim_{x\rightarrow 2 }\frac{\sqrt{x-1} -1}{x-2}[/tex]as x approaches 2 is 0.5

As an input or as an index approaches a specific value in mathematics, a limit is the value that the function, sequence, or index approaches. The definitions of continuity, derivatives, and integrals all require limits, which are fundamental to calculus and mathematical analysis.

In addition to having a connection to the category theory concepts of limit and direct limit, the idea of a limit of a sequence is further generalized to include the idea of a limit of a topological network.

A limit of a function is typically expressed in formulas as

[tex]{\displaystyle \lim _{x\to c}f(x)=L,}[/tex]

To find the limit we will use L'Hôpital's Rule

Find the derivative

⇒ [tex]\lim_{x\rightarrow 2 }\frac{\sqrt{x-1} -1}{x-2}[/tex]

⇒ [tex]\lim_{x\rightarrow 2 } \frac{1/2(x-1)^{-1/2}}{1}[/tex]

⇒ [tex]\lim_{x\rightarrow 2 } \frac{1}{2\sqrt{x-1} }[/tex]

Evalúe 2 as x

⇒ [tex]\frac{1}{2\sqrt{(2)-1} }[/tex]

⇒ [tex]\frac{1}{2\sqrt{1} }[/tex]

⇒ [tex]\frac{1}{2}[/tex]

⇒ 0.5

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Answer: [tex]\Large\boxed{A. -\dfrac{1}{ 5}}[/tex]

Step-by-step explanation:

Given expression

[tex]-\dfrac{3}{8} \times \dfrac{8}{15}[/tex]

Combine the fractions

[tex]=\dfrac{-3\times 8}{8 \times 15}[/tex]

Cancel out the 8 on both the numerator and denominator

[tex]=\dfrac{-3}{ 15}[/tex]

Divide 3 on both the numerator and denominator

[tex]=\dfrac{-3\div 3}{ 15\div 3}[/tex]

[tex]=\Large\boxed{-\dfrac{1}{ 5}}[/tex]

Hope this helps!! :)

Please let me know if you have any questions

Answer:

0

Step-by-step explanation: