Naomi and Peter's teacher receives an order of 127 books.The books are delivered in 10 full cartons and a smaller package containing 7 books.Naomi and Peter determine how many books are in each cartoon using different methods PLEASE ANWSER QUESTIONS BELOW!!!!!!! 1. What is the answer 2.In both solutions the first step is to multiply or divide by 10? 3.The second step is to multiply or divide by 10?

Answer:

(-3, -2)

Step-by-step explanation:

To find the value of y so that the line passing through the two given points has a slope of 1, we can use the formula for the slope of a line, which is given by:

m = (y2 - y1) / (x2 - x1)

In this case, we know that the slope of the line is 1, so we can set up the equation:

1 = (y - (-2)) / (-9 - (-3))

Solving for y, we get:

1 = (y + 2) / 6

Therefore, y = 1 * 6 - 2 = 4, so the value of y that we are looking for is 4.

Alternatively, we can use the two given points to write the equation of the line in slope-intercept form, which is given by:

y = mx + b

In this case, we know that the slope of the line is 1, so we can write the equation as:

y = x + b

We also know the coordinates of one of the points on the line, (-3, y), so we can substitute these values into the equation to solve for b:

y = (-3) + b

Substituting the value of y that we found earlier, 4, we get:

4 = (-3) + b

Solving for b, we get:

b = 4 + 3 = 7

Therefore, the equation of the line that passes through the two given points and has a slope of 1 is y = x + 7. This equation is in slope-intercept form, so it shows us the value of y when x is 0, which is 7. Since the y-coordinate of one of the given points is -2, we know that this point must be (-3, -2), and we can verify that this point satisfies the equation y = x + 7.

Answer: 6.5%

Step-by-step explanation: 312/4 = 78

78/1200 = 0.065

0.065 x 100 = 6.5%

Answer:

Vertex = (0,0)

Focus = (0, -1/8)

Axis of symmetry; x = 0

directrix, y = 1/8

Step-by-step explanation:

Answer:

Vertex = (0,0)

Focus = (0, -1/8)

Axis of symmetry; x = 0

directrix, y = 1/8

Step-by-step explanation:

Answer:

800 m^2

Step-by-step explanation:

= 1250 - 450

= 800 m^2 est la superficie de la terre de M. Vergne

j'espère que ma réponse t'aidera.

When X=3 a polynomial has a value of 61 and when X=3 a value of 143.

Given that,

Let p(x)=3x²−4x²+7x−5 is our polynomial.

Polynomials are algebraic expressions made up of coefficients and variables. Occasionally, variables are referred to as indeterminates. For polynomial expressions, addition, subtraction, multiplication, and positive integer exponents are all possible; however, division by variable is not. x2+x-12 is an illustration of a single-variable polynomial. Three terms are involved in this example: x2, x, and -12.

Substitute x=3 in above expression,

∴p(3)=3(3) 3−4(3) 2 +7(3)−5

=3(27)−4(9)+21−5

=81−36+21−5

=61

Now,

p(−3)=3(−3)

3 −4(−3) 2 +7(−3)−5

=3(−27)−4(9)−21−5

=−81−36−21−5

=−143

So, value of polynomial when X=3 is 61 and when x=−3 is −143

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Answer:

[tex] \displaystyle{\frac{2810}{3}} \pi \: \: \text{cm} ^{3} [/tex]

Step-by-step explanation:

The solid shape is composed of a cone and a hemisphere.

Let's work out the radius of the cone since the hemisphere and the cone share the same radius.

Let the radius be r cm.

Volume of cone= [tex] \displaystyle{\frac{1}{3} \pi {r}^{2} h}[/tex]

Substituting the volume and height of the cone:

[tex]270\pi = \displaystyle{\frac{1}{3} (\pi)( {r}^{2} )(10)}[/tex]

Simplify:

[tex] \frac{10}{3} {r}^{2} = 270[/tex]

[tex]81 = {r}^{2} [/tex]

Square root both sides:

[tex]r = \sqrt{81} [/tex]

r= 9

The volume of a hemisphere is half the volume of a sphere.

Volume of hemisphere

[tex] = \displaystyle{ \frac{1}{2}( \frac{4}{3} )(\pi )( {r}^{3}) }[/tex]

[tex] = \displaystyle{ \frac{2}{3}\pi {r}^{3} }[/tex]

Substituting the value of r:

Volume of hemisphere

[tex] = \displaystyle{ \frac{2}{3} (\pi)(10^{3} )}[/tex]

[tex] = \displaystyle{ \frac{2}{3}(1000)(\pi) }[/tex]

[tex] = \displaystyle{\frac{2000}{3} \pi}[/tex]

Volume of the shape

= volume of cone + volume of hemisphere

[tex] = \displaystyle{(270 + \frac{2000}{3} })\pi[/tex]

[tex] = \displaystyle{ \frac{2810}{3} \pi} \: \: \text{{cm}}^{3} [/tex]

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The pair of linear equations 3x+2y= 5 and 2x-3y= 7 have one unique solution.

The number of solutions for a pair of equations can be determined by looking at the coefficients of the variables in the equations. In particular, the number of solutions will depend on whether the coefficients of the variables are the same or different.

In this case, the pair of equations 3x+2y= 5 and 2x-3y= 7 have different coefficients for the variables x and y. Specifically, the coefficient of x is 3 in the first equation and 2 in the second equation, and the coefficient of y is 2 in the first equation and -3 in the second equation.

When the coefficients of the variables are different, there is exactly ONE solution to the system of equations. This is because the two equations will intersect at a single point in the x-y plane, which is the solution to the system of equations.

Therefore, based on the coefficients of the variables in the equations 3x+2y= 5 and 2x-3y= 7, we can conclude that there is only ONE solution to this system of equations.

--The question is incomplete, answering to the question below--

"How many solutions does the pair of equations 3x+2y= 5 and 2x-3y= 7 have?"

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Answer:

Hi,

The first one is the second one, the one on the top right. This is because you add two branches every step.

I'm not so sure about the second question. sorry ! hope it helps tho

The amount of salt in the tank at the end of one hour is 103 lbs .

Given

Initially there are 100 gal in the tank. There are 6 lbs of salt. The concentration of salt in the tank is 6/100 or 0.06 lbs per gal.

Water flowing in has concentration of 1 lb/gal.

Water flowing out has unknown concentration because mixture is constantly changing.

Tank is losing 1 gal per minute. ( 2 - 2 = 0 )

V ( t ) = 100 - t

s ( t ) = 6 + 2t − 3t ∗ C( t )

C ( t ) = s ( t ) / V ( t )

= 100 - t / 2t − 2t ∗ C( t )

= 6 + 2t / 100 + 2t

After 60 minutes

C ( t ) = 6 + 2 * 60 / 100 + 2 * 60

= 6 + 120 / 100 + 120

= 126 / 220

= 63 / 110

Salt content s( t ) = 6 + 2 * 60 - 3 * 60 * 63 / 110

= 126 - 180 * 63 / 110

= 126 - 103

= 103 lbs

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Answer:

x = 7 - [tex]\sqrt{2}[/tex]

Step-by-step explanation:

note that roots of the form x = a + b[tex]\sqrt{c}[/tex] occur in conjugate pairs, that is

x = a - b[tex]\sqrt{c}[/tex]

given x = 7 + [tex]\sqrt{2}[/tex] is a root then x = 7 - [tex]\sqrt{2}[/tex] is the other root

The theoretical probability is 0.5

the practical probability is 0.5

Given, A coin is tossed 50 times, and it lands on heads 28 times. Theoretically, when a coin is tossed the probability of getting a head is 0.5 since in this question we tossed the same coin so the theoretical probability of the given question is 0.5. as per the given data, the Practical probability of getting a head is event happen divided by total events.

Practical probability = 28/50 = 0.56

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It becomes

[tex]$$\begin{aligned}5: 8: & 6.5: x \\5 \times x & =8 \times 6.5 \\x & =\frac{8 \times 6.5}{5} \\x & =\frac{52}{5} \\x & =10.4\end{aligned}$$[/tex]

Therefore,

5 machines will take $10.4$ hour to produce the same number of parts.

Equivalent interest rates are interest rates that produce the same future value after one year. For example, 10% compounded quarterly and 10.125% compounded semiannually are equivalent nominal interest rates. If you calculate the future value of $100 invested at either rate for one year, you will obtain $110.38.

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Answer:

b

Step-by-step explanation:

Only if two figures can be precisely mapped to one another using transformations are two figures said to be congruent.

A "matching" figure is one that can be placed perfectly on another. The bread has the same size and form when it is stacked. Match refers to objects that are precisely the same size and form. If one of two geometric figures can be consistently overlaid on the other, they are said to be congruent or to be in a congruent relationship.

Only if two figures can be precisely mapped to one another using transformations are two figures said to be congruent. Due to the stiff transformations' preservation of the distance and angle scales, all related sides and angles are congruent.

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Answer: (19,4)

Step-by-step explanation:

Subtract the x axis with the x axis and y with y.

So,

7-(-12)= 19

1-(-3)= 4

Answer:

12 is not a prime number.

Step-by-step explanation:

⭐What is a prime number?

12 is not a prime number because it is divisible by numbers other than 1 and itself, such as...

Answer:

Hello! Natalie earns a fixed amount of $43 per day. She earns $3 more every toy she sells. Basically, you can set up this equation as 43 + 3n >= 70. This is because she wants to make a least $70 and earns $3 each for "n" toys that she sells. When you solve the inequality, the answer is 9. Subtract 43 from both sides to get 3n >= 37 and divide by 3 to get n >= 9. The answer is A.

Step-by-step explanation:

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According to the given figure, we can conclude that ∠LMN is 90° in the given triangle LMN.

A right triangle is a triangle having one right angle or two perpendicular sides.

It is also referred to as a right-angled triangle, right-perpendicular triangle, orthogonal triangle, or originally rectangle triangle.

The relationship between the sides and various angles of the right triangle serves as the basis for trigonometry.

The hypotenuse of a right triangle is its longest side; its "opposite" side is the one that faces the angle in question, and its "adjacent" side is the one that faces it.

We use special terminology to define the sides of right triangles.

The hypotenuse of a right triangle is always the side across from the right angle.

Therefore, according to the given figure, we can conclude that ∠LMN is 90° in the given triangle LMN.

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By using Linear equation, it can be calculated that

Leo's total pay if she doesn’t sell any items = $1900

Option D is correct.

What is linear equation?

At first it is important to know about  equation

Equation shows the equality between two algebraic expressions by connecting the two algebraic expressions by an equal to sign.

A one degree equation is known as linear equation.

Let y represent Leo's total pay (in dollars).

Let x represent the number of items she sells

x and y are related by the equation y=32x+1900.

If Leo does not sell any item, x = 0

y = 32 [tex]\times[/tex] 0  +1900

y = $1900

Leo's total pay if she doesn’t sell any items = $1900

Option D is correct.

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    The correct option is A)289

A polynomial is defined as an expression which is composed of variables, constants and exponents, that are combined using mathematical operations such as addition, subtraction, multiplication and division. For example 3x+2x-5

Given here, x²+74x+2021=y²

                   x²+2×37x + 37² = y²-652

                                 (x+37)²= y²-652

                                 (x+37)²- y² = -652

                       (x+y+37) (x-y+37) = 289 × -2

 thus, x+y+37 = 289 . . . .(1)

         x-y+37  = -2  . , . . . . .(2)

Solving the two equations we get x = 125 & y=164

Thus x+y = 125+164

                = 289

Hence option A) is the correct answer

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Answer:

no

Step-by-step explanation:

x=3, y=1

3≠1

therefore x≠y

To simplify the denominator, we can subtract the common terms - x² and x - leaving us with just x. We can then combine our simplifications to form the final answer of x + 2, then the quotient is  x³ + 3x² + 3x + 2 / x² + x = x + 2

x³ + 3x² + 3x + 2

x² + x

Simplifying the numerator:

x³ + 2x² + 3x + 2 - x² - x = x² + 2x + 2

Simplifying the denominator:

x² + x - x = x

Final Answer:

x + 2

The expression x³ 3x² 3x 2 X² x 1 is a fraction, with the numerator being x³ 3x² 3x 2 and the denominator being X² x 1. To solve this expression, we need to simplify both the numerator and the denominator. To simplify the numerator, we can subtract the common terms - x² and x - leaving us with x² + 2x + 2. To simplify the denominator, we can subtract the common terms - x² and x - leaving us with just x. We can then combine our simplifications to form the final answer of x + 2.

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Answer:

The linear function which is passing through the points (-20, -268) and (-1, -40) is y + 268 = 12(x + 20). Then the correct option is C.

What is the linear system?

A Linear system is a system in which the degree of the variable in the equation is one. It may contain one, two, or more than two variables.

The table represents some points on the graph of a linear function.

Let the linear relationship is given below.

The value of y are when x = -2, -1, 0, 1, 2 are -4, 1, 0, -1, 4. The graph of the function attached.

What is coordinate plane?

A Cartesian coordinate system in a plane is a system of coordinates that uniquely identifies each point by a pair of numerical coordinates. These numerical coordinates are the signed distances from two fixed perpendicular oriented lines to the point, measured in the same unit of length.

Given function is y = x³ - 2x

Putting x = -2 in the equation y = x³ - 2x:

y = (-2)³ - 2×(-2)

y = -4

Putting x = -1 in the equation y = x³ - 2x:

y = (-1)³ - 2×(-1)

y = 1

Putting x = 0 in the equation y = x³ - 2x:

y = (0)³ - 2×(0)

y = 0

Putting x = 1 in the equation y = x³ - 2x:

y = (1)³ - 2×(1)

y = -1

Putting x = 2 in the equation y = x³ - 2x:

y = (2)³ - 2×(2)

y = 4

The points on the equations are (-2,-4), (-1, 1), (0,0), (1,-1), (-2,4).

Plot the points and joint them by curve.

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On solving the provided question, we can say that, A 4 cm Cube has a 96 cm2 total surface area.

Total surface area is the total area, which includes the curved portion and any bases. It refers to the entire surface area of the thing. The total area will be the sum of the two areas if the shape has a curved base and surface.

The cube's surface area is calculated as six times the square of its side lengths. 6a2, where an is the cube's side length, serves as its representation. Basically, it refers to the overall surface area.

total surface area of a cube of 4 cm is 96 cm2

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Answer:

136

Step-by-step explanation:

because 32 times 4 is 128 and 32 divided by 4 is 8 that together is 136 its dived by four because 15 is 1/4 of 60 which is an hour

Answer: 136 copies in 4 minutes and 15 seconds

Step-by-step explanation:

First, we need to find how many copies the machine makes per second

a minute has 60 seconds. Divide the number of copies made per minute by 60

32/60

simplify

8/15

It can make 8/15 copies per second.

It takes a minute to print 32 copies, so multiply the number of copies per minute by 4 minutes

32*4=128

128 copies in 4 minutes

now 8/15 * 15 =120/15 = 8

128+8=136

Answer:

Zero is a real number in math

Step-by-step explanation:

Zero is considered to be both a real and an imaginary number.

The value of the discriminant for 2x² + 5x + 7 = 0 is -31.

The discriminant of a quadratic equation is the part of the equation used to determine the number and type of solutions. It is calculated by subtracting 4 times the coefficient of the squared term, a, from the coefficient of the linear term, b, squared. This is then divided by four times the coefficient of the squared term, a.

In this case, the equation is 2x² + 5x + 7 = 0.

The discriminant for this equation is calculated as follows:

Discriminant = b² - 4ac

Discriminant = (5)² - 4(2)(7)

Discriminant = 25 - 56

Discriminant = -31

Therefore, the value of the discriminant for 2x² + 5x + 7 = 0 is -31.

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The number of intergers between 1 to 100 (i.e two integers) is equals to ninty-eight in count.

The integers are collection of all positive and negative whole numbers. The positive integers are represented by adding (+) symbol in front of number and negative integers by adding (-) sign.

To calculate the number of integers between two integer using the following concept , Subtract the integers of interest i.e, if we have to calculate integer between a to b and then( b-a) and then subtract one .

As a proof of concept, calculate the number of integers that fall between 5 and 10 on a number line. We know there are 4 (6, 7, 8, 9), 10−5−1=4.

We have, to calculate the integers between 1 to 100. Using the above concept, total number of intergers between 1 to 100 are 100 - 1 -1 = 98

Hence, the number of required integers are 98.

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