Deepak wants to tile his bathroom using 1 m square tiles.

His bathroom measures 7 m x 7 m.

How many tiles will he need?

The graph of the inequaity expression is added as an attachment

Inequality expressions are mathematical statements that are represented by variables, coefficients and operators where the opposite sides are not equal

The mathematical statement is given as

"2.5 greater than the product of -0.5 and a number"

Product means times

So, we have the following representation

"2.5 greater than the product of -0.5 and a number" ⇒  2.5 greater than -0.5 * a number

Let the number be x

So, we have

"2.5 greater than the product of -0.5 and a number" ⇒  2.5 greater than -0.5x

Greater than is represented by >

So, we have

"2.5 greater than the product of -0.5 and a number" ⇒  2.5 > -0.5x

Next, we plot the graph of the inequality expression

See attachment for the graph of the inequality expression

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Let:

We can find the slope m, using the following formula:

Answer:

0

Answer:

[tex]y+1=\frac{1}{2}(x-6)[/tex]

Step-by-step explanation:

Perpendicular lines have slopes that are negative reciprocals, so the slope of the line to be found is 1/2.

Substituting into point-slope form, the equation is

[tex]y+1=\frac{1}{2}(x-6)[/tex]

Answer:

3

Step-by-step explanation:

1 = 1

The outcome of the quotient between the two fractions 3/4 and 2/3 is 9/8

So let's define two fractions as:

a/b and c/d.

The quotient between the fractions a/b and c/d can be written as:

(a/b)÷(c/d).

Now, the quotient is equal to the product with the inverse, so we can rewrite this as:

(a/b)÷(c/d) = (a/b)*(d/c)

Now, in this case, we want to find 3/4 divided by 2/3, this will be:

(3/4)÷(2/3) = (3/4)*(3/2) = 9/8

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a. The length is (3b) meters

b. length of hall is 36m.

We have given,

a. Breadth of the rectangle = b meters,

Since, length of a rectangular hall is 3 times the breadth of the hall,

⇒ Length = 3 × Breadth

⇒ Length = 3b

Hence, the length of the rectangle is (3 b) meters.

b. if the breadth is 12 m

Then, the length of the hall = [tex]3\times 12[/tex]

                                           = 36m.

Length is a measure of distance. In the International System of Quantities, length is a quantity that has a measured distance. In most  measurement systems, a base unit of length is chosen from which all other units are derived. In the International System of Units, the basic unit of length is the meter.  Length generally refers to  the widest dimension of a fixed object. However, this does not always happen and may depend on the location of the object.

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Answer:

1:2

Step-by-step explanation:

For every triangle there are two squares.

The first thing we have to know is that 1 kilogram is equal to 1000 grams

if we have 5.4 kilograms

As per the long division, the value of 19 divided by 6,927 is 0.002742

Long division:

Long division is the mathematical method for dividing large numbers into multiple smaller groups or parts. The number which we divide into small groups is called the dividend, the number by which we divide is called the divisor.

Given,

Here  we have to divide the number 19 by 6927.

When we divide the number, we have to following the following steps,

1) Set up the problem with long division bracket. Put dividend inside bracket and divisor on outside left.

2) 6927 goes into 19000 (2-times). Put a 2 in the next place of quotient and multiply 6927 by 2 to get 13854. Subtract 13854 from 19000 to get remainder (19000-13854=5146).

3) Now, bring down 0 from the dividend, to make 51460

4) 6927 goes into 51460 (7-times). Put a 7 in the next place of quotient and multiply 6927 by 7 to get 48489. Subtract 48489 from 51460 to get remainder (51460-48489=2971).

5) Now, bring down 0 from the dividend, to make 29710

6) 6927 goes into 29710 (4-times). Put a 4 in the next place of quotient and multiply 6927 by 4 to get 27708. Subtract 27708 from 29710 to get remainder (29710-27708=2002).

7) Now, bring down 0 from the dividend, to make 20020

8) 6927 goes into 20020 (2-times). Put a 2 in the next place of quotient and multiply 6927 by 2 to get 13854. Subtract 13854 from 20020 to get remainder (20020-13854=6166).

This process is continued so we have to take only up to these one.

Then this can be displayed in the following figure.

Question: Divide the number 19 by 6,927 using the long division method.

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The associative property let us associate different terms or factors in order to solve some expression.

We have to find the expression in which this property is more useful.

The only expression where the associative may be helpful is C, as we can associate this way:

(43 + 60) + 40 = 43 + (60 + 40) = 43 + 100 = 143

In the other expression there is no advantage in applying this property.

Answer: C

Calculate identity exponents using the exponent of the quotient, degree of exponent, and the law of zero exponent equations and evaluate numerical equations with integer exponents.

The following is an equivalent numeric expression with an integer exponent that uses the quotient, the quotient, zero-degree rule, and the identity exponent, and evaluates the numeric expression.

[tex]2^{5} \\[/tex] × [tex]2^{6}[/tex] = [tex]2^{11}[/tex], using the product of powers.

2² × 2³ = (2×3)² = 6², using the power of a product.

[tex](2^{2})^{6}[/tex] = [tex]2^{12}[/tex], using the power of a power.

The seven laws of exponents are the power rule, the power ratio rule, the power rule, the power rule, the power quotient rule, the power zero rule, and the negative exponent rule. Arithmetic questions, as well as how to multiply, divide and add powers.

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Answer:

-868

Step-by-step explanation:

-Absolute change is simply defined as the number by which a change has occurred.

-We therefore determine the difference between the two years by subtracting the new value from the old or reference value

The value of x, so f(x)=7 is 5.

According to the graph, we have a linear function and linear functions have the same slope for all value of x, we can determine the value of  f(x) for x=7 by the means of the equation for the line:

[tex]\frac{y_{b}-y_{a} }{x_{b}-x_{a} }[/tex] = [tex]\frac{y_{c}-y_{a} }{x_{c}-x_{a} }[/tex]  ....................(1)

Where:

 [tex](x_{a},y_{a} )[/tex] = (2,0) and [tex](x_{b},y_{b} )[/tex] = (5,7) are the Known points.

[tex](x_{c},y_{c} )[/tex] is the Expected point.

The value of [tex]y_{c}[/tex] = 7

Then the value of  [tex]x_{c}[/tex] is,

[tex]x_{c}=x_{a} +\frac{ y_{c}-y_{a} }{y_{b}-y_{a} } *(x_{b} - x_{a} )[/tex]

= 2+ [(7-0) / (7-0)] * (5-2)

= 2 + (5-2)

= 2+3

= 5

Therefore, the value of x, so f(x)=7  is 5.

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The radius of the hole to the nearest hundredth of a foot will be 0.20 feet.

The problem we are dealing with here is related to volume, which is referred to as may be a degree of involved three-dimensional space. It is regularly measured numerically utilizing SI-inferred units (such as the cubic meter and liter) or by different majestic units (such as the quart, gallon, and cubic inch) and the volume formula we are referring to is of the cylinder which is,

Volume = πr²h

Where r is the radius of the cylinder, π is the constant which is equal to  3.14 and h is the height of the cylinder.

From the information given to us, the volume of the hole ( cylindrical in  this case ) is  3500 cubic feet and the height is   4.8 miles

So First we Converting  the 4.8 miles to feet,

Since we know 1 mile = 5280 feet

therefore, 4.8 miles = 4.7 × 5280 = 25344 feet

Now putting the desired in the formula,

=>3500 = 3.14 × r² × 25344

=> 79580.16r² = 3500

=>r² = 3500/79580.16

=>r²= 0.04398

=>r = √0.04398

     = 0.2097 feet

    = 0.20 feet

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Answer:

250

Step-by-step explanation:

The roots the the given quadratic equation, will be -1/3 and -5 so the factors will be (3x+1)(x+5). As the value of roots is known, so the value of quadratic equation will be zero (0) for both the roots.

As per the question statement, we are supposed to fill the gaps to factorize the quadratic equation given :

3x² + 16x + 5 = (3x + _)(x + _)

We need to solve the expression for finding out its factors.

y = 3x² + 16x + 5

y = 3x² + 15x + x + 5

y = 3x(x + 5) + 1(x + 5)

y = (3x + 1)(x + 5)

Therefore, the  roots the the given quadratic equation, will be -1/3 and -5 so the factors will be (3x+1)(x+5). As the value of roots is known, so the value of quadratic equation will be zero (0) for both the roots.

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The coordinates of the point that at 7/8 from a to b are (5, -5/8)

On the segment, we have the following endpoints

A = (-2, 2)

B = (6, -1)

Also, we have the line ratio to be

Ratio, m : n = 7/8

Express the ratio as a ratio

So, we have

m : n = 7 : 8 - 7

Evaluate the difference

So, we have

m : n = 7 : 1

The coordinate of the point at the given distance is then calculated as

Point = 1/(m + n) * (mx2 + nx1, my2 + ny1)

So, we have

Point = 1/(7 + 1) * (7 * 6 + 1 * -2, 7 * -1 + 1 * 2)

Evaluate the products

So, we have

Point = 1/8 * (42 -2, -7 + 2)

Evaluate the sum and the difference

So, we have

Point = 1/8 * (40, -5)

Evaluate the products

So, we have

Point = (5, -5/8)

Hence, the coordinates of the point that is 7/8 of the distance from a to b are (5, -5/8)

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In the picture there is a parallel line with the intersection line. ∠5=91° and ∠2=(8x+1)°and x value is 11.

Given that,

In the picture there is a parallel line with the intersection line.

We have to find the x value.

Given ∠5=91° and ∠2=(8x+1)°

We know that if there are 2 parallel line and 1 line is intersecting to the parallel line then the corresponding angles are equal.

∠1=∠5

So, ∠1=91°

Now,

We can write as ∠1+∠2=180° because the ∠1 and ∠2 are on 1 line.

91+8x+1=180

8x+92=180

8x=180-92

8x=88

x=88/8

x=11

Therefore, x value is 11.

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Answer:

C. 1/36

Explanation:

The probability of rolling a 2 in a six-sided die is 1/6 because there are 6 possible outcomes and 1 of them is 2. In the same way, the probability of rolling a 6 is also 1/6 because there are 6 possible outcomes and 1 of them is 6.

Then, the probability of rolling a 2 and then a 6 can be calculated as:

Because they are independent events and each one has a probability of 1/6.

Therefore, the answer is:

C. 1/36

If the amount of money is even, then the item that costs an odd number of money has to be bought an even number of times. Some possible combinations could be 2 lb potato salad and 7 lb Mac salad, or 4 lb potato salad and and 4 lb mac salad, or 6 lb potato salad and 1 lb mac salad.

Explanation

to find the area of the stove that does not include the area of the burnes ( yellow area), we can subtract the area of the 4 circles from the area of the full rectangle

so

Step 1

then, Let

for circle:

diameter= 6 in

for rectangle

length= 24 in

width= 22 in

Step 2

replace,

Answer:

  13

Step-by-step explanation:

You want the sum of f^-1(-7) and f(-7) given the function definition in the table.

The inverse function f^-1(x) consists of ordered pairs that are the reverse of the ordered pairs (x, f(x)). That is ...

  (x, f^-1(x)) ≡ (f(x), x)

Another way to describe f^-1(x) is "the value of z that gives f(z) = x". This means f^-1(-7) is the value of x that gives f(x) = -7. That x-value is 6:

  f^-1(-7) = 6 . . . . . from the 4th column of the table

We can read the function value directly from the table:

  f(-7) = 7 . . . . . . the first column of the table

Then the sum of interest is ...

  f^(-1)(-7) +f(-7) = (6) +(7)

  f^(-1)(-7) +f(-7) = 13

__

Additional comment

The inverse function ordered pairs are ...

  (x, f^-1(x)) = {(7, -7), (12, 11), (8, -13), (-7, 6), (13, 5)}

40° is the value of the angle ∠QPR.

So, PQ ⊥ PS then, ∠QPS = 90°.

According to the given figure: ∠QPR + ∠RPS = ∠QPS

Then,

So, ∠QPR = 7x - 9°

Substitute x = 7 as:

Therefore, 40° is the value of the angle ∠QPR.

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Answer:

the least common denometer for 5/12, 7/16 would be 48.

Step-by-step explanation:

To know if a graph represents a function, we have to use the vertical line test, which consists in drawing a vertical across the curve.

If the vertical line intercepts twice the curve, then it's not a function.

Then, the graph has no function symmetry because the graph is not that of a function.

The difference between the freezing point of seawater and the freezing point of nitric acid is 40 °C.

As per the question, we can write

The freezing point of seawater = −2 °C.

The freezing point of nitric acid = −42 °C.

We were asked to calculate the difference between the freezing point of seawater and the freezing point of nitric acid. We can find the difference between the freezing point of seawater and the freezing point of nitric acid by following the steps mentioned below;

The difference between the freezing point of seawater and the freezing point of nitric acid = Freezing point of Seawater - Freezing point of nitric acid

The difference between the freezing point of seawater and the freezing point of nitric acid = -2 - (-42) = 40 °C.

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The base of the parallelogram is 3

The height of the parallelogram is 8

Let the base be represented as (x+2)

Let the height be represented as (x-2)

The area of the parallelogram is 24

The first step is to get two numbers that can be multiplied together to get 24

= 3 × 8

The two numbers are 3 and 8

Hence the base is 3 and the height is 8

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Two or more expressions with an Equal sign is called as Equation.π=  C/d for equation C = πd

Two or more expressions with an Equal sign is called as Equation.

The given equation is  C = πd

c equal to pi times of d

We need to solve it for  π

To solve for  π we have to separate  π from d. To make this We have to divide both sides by d.

So C/d= π

Hence π=  C/d for equation C = πd

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As The triangles are congruent the value of y = 1 and x = 4

The basic polygonal shape of a triangle has three sides and three interior angles. It is one of the fundamental shapes in geometry and is represented by the symbol. It has three connected vertices. Triangles can be divided into a variety of categories according on their sides and angles.

AS the triangles are congruent

15x-8y = 52.....(i)

6x +14y +142=180

6x +14y = 38

3x +7y =19 ....(ii)

x=[tex]\frac{19-17y}{3}[/tex]

15([tex]\frac{19-17y}{3}[/tex])-8y = 52

5(19-17y)-8y=52

95-85y-8y =52

93y =93

y = 1

x =4

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