Which equations are true? Select all that apply. A. 66 ÷ 10 1 = 6 . 6 B. 660 ÷ 10 0 = 66 C. 6 , 600 ÷ 1 , 000 = 0 . 66 D. 0 . 66 ÷ 10 1 = 0 . 066 E. 6 ÷ 100 = 0 . 06

By using exponent, it can be verified that

[tex](2.9 \times 10^5) \times (3.4 \times 10^3)[/tex] in standard form is [tex]9.86 \times 10^8[/tex]

What are exponent?

Exponent tells us how many times a number is multiplied by itself.

For example : In [tex]2^4 = 2 \times 2 \times 2 \times 2[/tex]

Here, 2 is multiplied by itself 4 times.

If [tex]a^m = a \times a \times a ... \times a[/tex] (m times), a is the base and m is the index.

The laws of index are

[tex]a^{m + n} = a^m \times a^n\\a^{m - n} = \frac{a^m}{a^n}\\(\frac{a}{b})^m = \frac{a^m}{b^m}\\(ab)^m = a^m b^m\\a^0 = 1\\a^{-n} = \frac{1}{a^n}[/tex]

The given exponent is

[tex](2.9 \times 10^5) \times (3.4 \times 10^3)\\9.86 \times 10^{5+ 3}\\9.86 \times 10^8[/tex]

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The percentage of white pumpkin is 25%.

In mathematics, a percentage is a number or ratio that can be expressed as a fraction of 100.

There are three times as many orange pumpkins at the pumpkin patch as there are white pumpkins.

Hence,

let

x = Number of white pumpkin

orange pumpkin = 3x

The percentage of pumpkin that are whiter can be calculated as follows:

The full percentage is 100%.

Therefore, percentage of white pumpkin is 25%.

Orange pumpkin = 25%(3) = 75

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Answer:

82 miles

Step-by-step explanation:

75-29.50 = 45.50

45.50/0.55 = 82.7272727273

82 x 0.55 = 45.10

45.10+29.50 = 74.60

The area of the rectangle can be expressed as [tex](\frac{6x}{5})^2[/tex].

What is the area of the rectangle?

If the length of the rectangle is 'l' and the breadth of the rectangle is 'b', then the area of the rectangle can be computed as

                   Area = l * b

Given data:

        The width of the rectangle is 3x/5 cm.

   And its length is four times its width so length = 4 * 3x/5

                                                                                 = 12x/5 cm.

Then the area will be

              Area = length * breadth

                       = 12x/5 * 3x/5

                       = 36x²/25

                       [tex]=(\frac{6x}{5})^2[/tex]

Hence, the area of the rectangle can be expressed as [tex](\frac{6x}{5})^2[/tex].

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In the fractions given 2/3 + 7/3 * -9/4 and (4/5 - 2) * (3/4 - 2/3) the results of the expressions are -55/12 and -1/10 respectively

A fraction is used to represent the portion/part of the whole thing. It represents the equal parts of the whole. A fraction has two parts, namely numerator and denominator. The number on the top is called the numerator, and the number on the bottom is called the denominator. The numerator defines the number of equal parts taken, whereas the denominator defines the total number of equal parts in a whole.

In the first expression;

2/3 + 7/3 * -9/4

Applying PEDMAS

2/3 + 7/3 * -9/4 = -55/12

In the second expression;

(4/5 - 2) * (3/4 - 2/3) = - 1/10

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The equation of line h that passes through (2,6) and is parallel to a line passing through (-3, 4) and (1, 1) is 4y + 3x = 30

Slope is the ratio of the change in the y-coordinates to the change in the x-coordintes of any two given points.

It is a measure of the steepness of a line.

Slope may be positive or negative

slope of the line joining the the points (-3,4) and (1,1)

slope = [tex]\frac{y_{2} - y_{1} }{x_{2} - x_{1} }[/tex]

[tex]x_{1}[/tex] = -3, [tex]x_{2}[/tex] = 1, [tex]y_{1}[/tex] = 4, [tex]y_{2}[/tex] = 1

slope = 1-4 / 1 - -3

slope = -3/4

since the two lines are parallel their slopes are equal.

equation of first line

y = mx + c

where y = 6, x = 2, m = -3/4

6 = -3/4(2) + c

6 = -3/2 + c

c = 6 + 3/2

c = 15/2

Equation, y = -3/4x + 15/2

multiply through by 4

2y = -3x +30

2y + 3x = 30

In conclusion the equation of the line passing through the given point is 2y + 3x = 30

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Answer:

Yes they are equal

Step-by-step explanation:

First we simplify the left side of the equation

7 x 3,012 = 21084

Next we simplify the right side of the equation. Using PEMDAS we know that we must add whatever is inside the parentheses first.

7 x (3,012)

We then multiply 7 x (3,012) = 21084

21084 = 21084

They are equal.

Answer:

x = -4

Step-by-step explanation:

[tex] \frac{ \sqrt[3]{6x} }{ \sqrt[3]{2x + 5} } = 2[/tex]

[tex] {( \frac{ \sqrt[3]{6x} }{ \sqrt[3]{2x + 5} } )}^{3} = {2}^{3} [/tex]

[tex] \frac{6x}{2x + 5} = 8[/tex]

[tex]6x = 8(2x + 5)[/tex]

[tex]6x = 16x + 40[/tex]

[tex] - 10x = 40[/tex]

[tex]x = - 4[/tex]

[tex] \frac{ \sqrt[3]{6( - 4)} }{ \sqrt[3]{2( - 4) + 5} } = 2[/tex]

[tex] \frac{ \sqrt[3]{ - 24} }{ \sqrt[3]{ - 3} } = 2[/tex]

[tex] \sqrt[3]{ \frac{ - 24}{ - 3} } = 2[/tex]

[tex] \sqrt[3]{8} = 2[/tex]

The constant of proportionality in the equation c = 8m is 8.

A variation is a relation between a set of values of one variable and a set of values of other variables. Direct variation. In the equation y = mx + b, if m is a nonzero constant and b = 0, then you have the function y = mx (often written y = kx), which is called a direct variation.

since C = 8m is an equation and the relationship between c and m is direct.

It means that dividing both sides of the equation by m we have

C/m = 8m/m

c/m = 8

Therefore the constant of proportionality is 8

In conclusion the constant of proportionality for which c = 8m is 8.

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S= 0.0625t² is the composition of a function to represent the area of the puddle as a function of time.

The defined region represents the extent of the area on a plane or curved surface. The area of ​​a planar region refers to the area of ​​a shape or planar layer, while surface area refers to the area of ​​an open surface or boundary of a three-dimensional object. Area can be defined as the amount of material of a certain thickness required to model the mold, or the amount of paint required to cover the surface in a single layer. This is a two-dimensional equivalent of the length of a curve or the volume of a solid..

We obtain the data from the equation.

The radius is increased by 0.25 Cm for each t min.

Assume that the puddle's area is S.

We all know that.

Circle area =  πr²

So, S= πr²

S= π(0.25t)²

S= π0.0625t²

S= 0.0625πt²

Therefore, the area of the puddle is S= 0.0625πt²

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when the correlation coefficient has a positive value , it means that when x increases , y increases and when x decreases , y decreases , the correct option is (b) .

in the question ,

it is given that

the value of correlation coefficient has a positive value .

it means that the variables have a direct relation with each other,

which means when one variable increases , the other variable also increases and when one variable decreases  , the other variable also decreases ,

Therefore , the positive value of correlation coefficient means that  When x increases, y increases, and when x decreases, y decreases.

The given question is incomplete , the complete question is

Select the correct answer. What does it mean when the correlation coefficient has a positive value?

(a) When x increases, y decreases, and when x decreases, y increases.

(b) When x increases, y increases, and when x decreases, y decreases.

(c) When x increases, y decreases, and when x is constant, y equals zero.

(d) When x increases, y increases, and when x is constant, y decreases.

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The coordinates of the other 3​ vertice s are; Vertex 2 =  (0.5​, 2.5)

Vertex 3 =  (2, 1), Vertex 4 =(2, 2.5 )

Its the sum of length of the sides used to made the given figure.

Given that the Perimeter, P = 6 units

The Perimeter of a square = 4s ; s = side length

6 = 4s

s = 6/4

s = 1.5 units

If Vertex 1 =(0.5​,1​) and all vertexes are located in Quadrant​ I

Vertex 2 = (0.5​,1 + 1.5​) =(0.5​, 2.5)

Vertex 3 = (0.5 + 1.5 ​,1​) = (2, 1)

Vertex 4 = (2, 1 + 1.5) = (2, 2.5 )

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The value of the expression, (-3x)(-6)*(-10)/(-9), after simplification is 20x.

According to the question,

We have the following expression:

(-3x)(-6)*(-10)/(-9)

Now, we will first solve the numerator of this expression.

We know that the multiplication of two negative integers always gives us the positive results.

So, the multiplication of -6 and -3x will give us the positive results.

18x*(-10)/(-9)

When two negative integers are in division then their results is also positive.

18x*10/9

Dividing 18 in the numerator by 9 in the denominator, we will get 2as the result:

2x*10

20x

Hence, the value of the expression, (-3x)(-6)*(-10)/(-9), after simplification is 20x.

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The value of x, given the angles m and n can be found to be 30.

Given the fact that m || n, it means that when m and n are added, they equate to 180 degrees.

The reason for this is that m and n are supplementary angles and such angles will always add up to 180 degrees.

This means the value of x can be found as:

180 = m + n

180 =  (6x - 5 ) + ( x - 25 )

180 = 6x + x - 5 - 25

180 = 7x - 30

180 + 30 = 7x

x = 210 /7

x = 30

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The required value of n is [tex]\frac{1}{2}[/tex] .

What is an algebraic equation?

The term "algebraic equation" refers to a formulation of the equality of two expressions using the algebraic operations of addition, subtraction, multiplication, division, raising to a power, and extraction of a root on a set of variables.

Given, [tex]\frac{3}{8} +n=\frac{7}{8}[/tex]

or, [tex]n=\frac{7}{8}- \frac{3}{8}[/tex]

or, [tex]n=\frac{7-3}{8}[/tex]

or, [tex]n=\frac{4}{8} = \frac{1}{2}[/tex]

Hence, the value of n is [tex]\frac{1}{2}[/tex] .

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The meaning of the c-value when T=65 is:  The number of times the cricket could be expected to chirp in one minute if it's 65 degrees F

The correct answer is an option (D)

In this question, we have been given a linear relationship.

For a certain type of cricket, this relationship can be expressed using the formula T=34+0.3c,

where T represents the temperature in degrees Fahrenheit and

c represents the number of times the cricket chirps in one minute.

We need to interpret the value of c when T = 65.

T = 34 + 0.3c

65 = 34 + 0.3c

c = 103.33

c = 103.33 represents the number of times the cricket could be expected to chirp in one minute if it's 65 degrees F

Therefore, the meaning of the c-value when T=65 is:  The number of times the cricket could be expected to chirp in one minute if it's 65 degrees F

The correct answer is an option (D)

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Answer:

The 5 consecutive odd integers are 11 , 13 , 15 , 17 , 19

Step-by-step explanation:

The Difference between any odd Integer and its consecutive Integer = 2

So let the 3rd Odd Integer be x

Then the 1st Odd Integer is x - 2

and the 2nd Odd Integer is x - 4

and the 4th Odd Integer is x + 2

and the 5th Odd Integer is x + 4

Since the Sum of the 1st three integers is 3 more than the sum of the last two

Then 1st + 2nd + 3rd = 4th +5th +3

Then (x) + (x - 2) + (x - 4) = (x + 2) + ( x + 4) +3

Then 3x - 6 = 2x + 9

subtract 2x from both sides

3x - 2x -6 = 9

x - 6 = 9

Add 6 for both sides

Then x = 9 + 6 = 15

So the 3rd odd Integer is 15

So the five consecutive odd integers are 11 , 13 , 15 , 17 , 19

Answer:

  1/3

Step-by-step explanation:

You want to know the fraction that are poodles when 5/9 of animals are dogs, and 3/5 of dogs are poodles.

We can write the equations ...

  dogs = (5/9)·(animals)

  poodles = (3/5)·(dogs)

Using the first equation to substitute into the second, we get ...

  poodles = (3/5)·(5/9)·(animals) = 3/9·animals = 1/3·animals

Then the fraction that are animals is found by dividing by "animals":

  poodles/animals = 1/3

1/3 of the animals in the pet show are poodles.

The value of x is=-1

acc to our question-

hence,The value of x is=-1

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A) The number of unsold cans of soup (ending inventory) is 19.

B) The various costs of the ending inventory under LIFO, FIFO, and the weighted average are as follows:

                                    Ending Inventory

LIFO                                  $17.15

FIFO                                 $25.65

Weighted average          $21.47

FIFO assumes that the physical flow of goods sold should follow the chronological sequence of purchases or production.

LIFO assumes that the first goods acquired are the last to be sold.

The Weighted Average uses an average to determine the cost of ending inventory and the cost of goods sold.

Description                 Units Unit Cost  Total

Beginning inventory     12     $0.85     $10.20

Purchases                      4     $0.95       $3.80

Purchases                      6     $1.05        $6.30

Purchases                      7     $1.35        $9.45

Purchases                     8     $1.50       $12.00

Total                            37                     $41.75

Sales                            18

Ending inventory        19 (37 - 18)

Average cost = $1.13 ($41.75/37)

LIFO:

Ending inventory = $17.15 ($10.20 + $3.80 + 3 x $1.05)

Cost of goods sold = $24.60 ($41.75 - $17.15)

FIFO:

Ending inventory = $25.65 (4 x $1.05 + $9.45 + $12.00)

Cost of goods sold = $16.10 ($41.75 - $25.65)

Weighted Average:

Ending inventory = $21.47 (19 x $1.13)

Cost of goods sold = $20.34 (18 x $1.13)

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The two ways of forming isosceles triangle by bending the metal strip using length by length by base are

A triangle that have the two sides equal is referred to as an isosceles triangle.

Using a strip of 20 inches long to construct an isosceles triangle means that the perimeter of the triangle is 20 inches

the perimeter is equal to base + length + length

bending 6 inches already means one of the dimensions is gotten then fo the other is based on if

if the 6 is base then minus the 6 from 20 and divide the rest for the length

20 - 6 = 14

the two lengths is 14 one length is 7. so we have 6 + 7 + 7 = 20

If the 6 is length then get another 6 and the rest is base

20 - 6 = 14

14 - 6 = 8

therefore we have 6 + 6 +8 = 20 inches

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Step-by-step explanation:

% in calculations are always represented as hundredths, as 100% represents the whole, and n% = n/100 of the whole.

x = pounds of 35% alloy.

y = pounds of 52% alloy.

x + y = 45

0.35x + 0.52y = 0.47(x + y)

from the first equation we get e.g.

x = 45 - y

now we use this in the second equation :

0.35(45 - y) + 0.52y = 0.47((45 - y) + y)

15.75 - 0.35y + 0.52y = 0.47(45 - y + y)

15.75 + 0.17y = 0.47×45 = 21.15

0.17y = 5.4

y = 5.4/0.17 = 31.76470588... pound

x = 45 - y = 13.23529412... pound

he needs to use

31.76470588... pounds of the 52% alloy

13.23529412... pounds of the 35% alloy.

Here in the rhombus ABCD the value of y is 7.5.

A rhombus is a unique kind of quadrilateral with four equal sides and perpendicular diagonals that cut the angles and one another in half.

So here 4x+15 = 7x+2 and

12y = 90.

To find the remaining values by first solving for each variable, then substituting as necessary.

4x+15=7x+2

15=3x+2

13=3x

13/3 = x

BC is 4x+15

= 4(13/3)+15

= 52/3 + 45/3

= 97/3

CD is 7x+2

= 7(13/3)+2

= 91/3 + 6/3 = 97/3

Then, find 12y=90 and y=7.5.

AFB is a 90° angle (12(7.5)).

BCF is a 4y-1 = 4(7.5)-1 = 29 angle.

Because the diagonal cuts the angle in half, angle BCD is equal to 58. Angle ABC thus becomes 180-58 = 122.

Therefore the value  of  y  is 7.5 .

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Answer:

4

Step-by-step explanation:

slope intercept form is y=Mx+b

4x-y=0

   +y.  +y

4x=y

y=4x

So slope is 4

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The relative percentages of the column-wise frequencies are different, indicating that there is indeed an association between the variables.

A user-defined collection of related groups and items is referred to as a data association. It may include one or more groupings, as well as some, all, or neither of the items found inside those groups. It is helpful to initially identify various groups and components that you believe to be connected in some way before establishing Rules of Visibility.

Because of the differences in the relative percentages of the column-wise frequencies, there is a link between the variables. The animal mascot in the first column has 74% victories and 26% defeats. These percentages fluctuate greatly from one another. The other type of mascot, which similarly has a significant disparity between them, has 49% victories and 51% losses. The association between the variables is stronger the larger the difference.

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Answer:

11 x 6

Step-by-step explanation:

Answer: ima say something so hopefully this gets more noticed

Step-by-step explanation:

Answer: 25

Step-by-step explanation:

10           6

/       =      /

x             15

Just cross multiply, so do 10*15 = 6*x

10*15 = 6*x

150 = 6*x

Divide by 6 on both sides to isolate x.

25 = x

Answer:

x = 25

Step-by-step explanation:

first simplify the 6/15 by dividing 6 and 15 both with 3
10/x = 2/5
then multiply with 5x on both sides to get rid of the fraction:
5x * (10/x) = 5x * (2/5)
then shorten and solve:
5 * 10 = x * 2
50 = x * 2
25 = x

The Scale factor of ΔADC to ΔCDB is 2  .

In the question ,

a right triangle ABC is given (the figure is shown below )

h is the length of the altitude , AD = 12 , DB = 3 ,

to find the scale factor , we first need to find the value of h ,

since triangles ADC is similar to triangle CDB ,

we have , CD / AD = DB / CD

on cross multiplication , we get

CD² = AD × DB

CD² = 12 × 3 = 36

CD = 6

For the scale factor we divide the length of the original triangle ADC with the length of the image triangle CDB .

we get

Scale factor = AD / CD

= 12/6

= 2

Therefore , The Scale factor of triangle ADC to triangle CDB is 2  .

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