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The meaning of the 2 in the expression 3t + 2c is the weight of each car

Expressions are mathematical statements that are represented by variables, coefficients and operators

The expression is given as

3t + 2c

From the question we have the following parameters:

This means that the weight of each car is 2

Hence, the meaning of the 2 in the expression 3t + 2c is the weight of each car

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Applying the definition of supplementary angles, the measure of angle A is: 47°

The definition of supplementary angles states that two angles are referred to as supplementary angles if they give a sum of 180 degrees when added together.

Given that angle A and angle B are supplementary angles, therefore, based on the definition of supplementary angles, measure of angle A + measure of angle B = 180 degrees.

Measure of angle A = 3x - 10

Measure of angle B = 8x - 19

Substitute

3x - 10 + 8x - 19 = 180

Combine like terms

11x - 29 = 180

11x = 180 + 29

11x = 209

11x/11 = 209/11

x = 19

Measure of angle A = 3x - 10

Plug in the value of x

Measure of angle A = 3(19) - 10

Measure of angle A = 57 - 10

Measure of angle A = 47°

Thus, applying the definition of supplementary angles, the measure of angle A is: 47°

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Answer:Measure of angle A = 3x - 10

Measure of angle B = 8x - 19

Substitute

3x - 10 + 8x - 19 = 180

Combine like terms

11x - 29 = 180

11x = 180 + 29

11x = 209

11x/11 = 209/11

x = 19

Measure of angle A = 3x - 10

Plug in the value of x

Measure of angle A = 3(19) - 10

Measure of angle A = 57 - 10

Measure of angle A = 47°

Thus, applying the definition of supplementary angles, the measure of angle A is: 47°

Step-by-step explanation:

Answer:

-4 is the coefficient to the variable [tex]f[/tex].

[tex]f[/tex] is, as said one line before, a variable.

Answer: -4 is a coefficient, and f is a variable.

Step-by-step explanation: I hope this helps.

The area of each card is 80.05cm^2, and the edge of each card is 8.95cm.

Priti chose a green coloured square paper of 20.5cm, since its a square the length and breadth of the card are equal

l = b

Recall the area of a square is

A = l^2

A = (20.5)^2

A= 20.5 × 20.5

A= 400.25cm^2

Since the paper is to be used for 5 cards, therefore the is divided in 5 equal cards. The are area of each card will be

A = A/5

A = 400.25/5

A = 80.05cm^2

The edge of each card is the side of the each card which can either be the length or the breadth since all the sides are equal for a square.

Recall that

A = l^2

Since the Area of each card is 80.05cm^2. Therefore,

80.05 = l^2

Finding the square root of both sides

(80.05)^1/2 = (l^2)^1/2

l = 8.947cm

Approximate l to 2 decimal place

l = 8.95cm

Therefore, the edge of each card is 8.95cm

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The length of the rectangle is 45 yard and the width of the rectangle is 9 yard.

WE have Given that the length of a rectangle is 5 times its width, and the perimeter is 108 yd.

Let the width of rectangle be 'x' yard and the length of the rectangle is '5x' yd . also the length is five times the width.

we know that,

The Perimeter of the rectangle = 2(length + width)

The perimeter of rectangle is 108 yd.

Therefore the perimeter = 2( 5x + x )

                              108    = 2( 6x )

                              108    = 12x

                         108/12    = x

                               x      = 9

Therefore, the width of given rectangle is 9 yard, and

The length of the rectangle is 5x = 5 * 9 = 45 yd.

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The point that is on the interior of angle CAB is Point E.

A point that is in the interior of an angle or shape is on that is not on the angle, line or shape, and is instead within the shape itself.

Points A, B, and C are all on the line and so are not interior. Point B is outside the shape formed and so is not in the interior.

Point E is not on the line and it is inside the shape formed so it is in the interior.

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Answer:

1 3/10

Step-by-step explanation:

This is an expression testing the knowledge on indices. Solve the like terms and apply the index rule: a^m÷ a^n = a^m-n.

x²/₃ y⁻¹/₄ / x¹/₂ y⁻¹/₂

x²/₃ y⁻¹/₄ ÷ (x¹/₂ y⁻¹/₂)

x²/₃÷ (x¹/₂) . y⁻¹/₄ ÷ (y⁻¹/₂)

x^(2/3-1/2)y^(-1/4--1/2)

x^1/6.y^1/4

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All the roots of the polynomial 2x⁴+ x³-8x²- 4x = 0 are x = -2, x = -0.5, x = 0, x = 2 ( Option A ).

Given polynomial :

2x⁴+ x³-8x²- 4x = 0

The highest power of the polynomial is 4. This implies that this polynomial will have 4 roots or 4 zeroes.

There are numerous ways of finding roots or zeroes of a polynomial of any degree.

A root or zero of a polynomial is a solution or value of the variable which gives the value of the polynomial equal to 0.

Since this is a multiple choice based question, the easiest approach to this question is by eliminating options and finding the correct answer.

Option B and C get eliminated instantly because they have only three roots, however this is a polynomial of degree 4 and should have 4 roots.

For option A and C, we put x= -2, x = -0.5, x = 0, x = 2, and x = 0.5 in the given polynomial to check if the answer is equal to zero.

For x = -2, we get 2x⁴+ x³-8x²- 4x = 0

For x = 2, we get 2x⁴+ x³-8x²- 4x = 0

For x = 0, we get 2x⁴+ x³-8x²- 4x = 0

For x = -0.5, we get 2x⁴+ x³-8x²- 4x = 0

For x = 0.5, we get 2x⁴+ x³-8x²- 4x = -3.75

From this result, option C gets ruled out and all the values in option A check out as a root of the given polynomial.

Therefore, we get all the roots of the polynomial 2x⁴+ x³-8x²- 4x = 0 as x = -2, x = -0.5, x = 0, x = 2

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The proof is shown below:

Angle sum property of triangle states that the sum of interior angles of a triangle is 180°.

Given:

CB || HE

Now using the property of parallel lines.

So,

<HAC = <ACB (alternate interior angles)

<EAB= <ABC (alternate interior angles)

Now, HAE is a straight line then

<HAC + <CAB + <EAB = 180 ( linear pair)

<ACB + <CAB + <ABC = 180

Hence, the sum of the three interior angles of a triangle is 180.

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The midpoint is located at (4,-0.5)

In the problem we are given that

E is located at (2,-1)

F is located at (6,0)

To find the midpoint, add the 2 X values together and divide by two, then do the same with the y values:

X = (2 + 6) /2= 8/2 = 4

Y = (-1+ 0)/2 = -1/2 = -0.5

The midpoint is located at (4,-0.5)

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Answer:

x = 9

A(lol,brainly wont let me post this)F = 19

Step-by-step explanation:

see image. Since F is the midpoint, both halves of the segment must have the same measure.

If AhalfF is 2x+1, then the other half of AD must also be 2x+1.

We were given the length of the whole thing as well, so we can set up an equation to solve. See image.

There will be more than a percentage of 33 % of households that have an interfaith marriage from 2017 onwards.

In this problem we find a linear equation that models the percentage of households with an interfaith marriage in time. The expression indicates that the percentage increases uniformly in time. Herein we must look up for the year, from which the percentage is at least 33 % greater. Then:

I = (1 / 4) · x + 23

(1 + 33 / 100) · 23 = (1 / 4) · x + 23

30.59 = (1 / 4) · x + 23

(1 / 4) · x = 7.59

x = 30.36

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We need to know about percentage to solve the problem. The price of the pair of pants after discount but before tax is $19.8

Percentage of a number gives us a certain part of the quantity, suppose we say that 20% of 100 then we have 20. It can be defined as a given part in every hundred. In this question we know that the store Feng goes to buy a pair of pants offers 40% discount, which means that Feng can save 40% of the price of the pants. The original price on tag is given as $33, we have to find what 40% of $33 is and then subtract that amount from $33 to get the price of the pair of pants after discount but before tax.

Discount=[tex]\frac{40}{100}[/tex]x33=132/10=13.2

The price of the pants after discount =$(33-13.2)=$19.8

Therefore we found that the price of the pair of pants after discount but before tax is $19.8

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The function is f (x) = 3/4 x - 1.

What is Linear equation?

A linear equation is an algebraic equation with slope m is defined as,

y = mx + b

Where, b is the y - intercept.

Given that;

Slope of function (m) = 3/4

f (-12) = -10

Now,

A linear equation with slope m is defined as,

f (x) = mx + b

Substitute m = 3/4,

f (x) = 3/4 x + b

Apply the condition f (-12) = -10 we get,

f (-12) = 3/4 * (-12) + b

- 10 = 3 * (-3) + b

- 10 = - 9 + b

b = - 10 + 9

b = - 1

Substitute value of m and b in linear equation we get;

The function is,

⇒ f (x) = 3/4 x - 1.

Hence, The function is f (x) = 3/4 x - 1.

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Answer:

x=−4y+9

Step-by-step explanation:

Let's solve for x.

x+4y=9

Step 1: Add -4y to both sides.

x+4y+−4y=9+−4y

x=−4y+9

Answer:

x = 9 - 4y

Step-by-step explanation:

Answer:

1152

Step-by-step explanation:

32 * 36 lol

every yard is 36 inches

Answer:

- 67

Step-by-step explanation:

note that + (-) = -

- 56 - 8 + (- 3)

= - 64 - 3

= - 67

To solve this problem, you need to use PEMDAS.

Parentheses, exponents, multiplication, division, addition, and subtraction.

--------------------

In the end, your answer would be -67.

--------------------

Hopefully I understood your question correctly!

Have a great day and God bless! :)

Answer:

237500000000

Step-by-step explanation:

1.14 × [tex]10^{6}[/tex] = 1140000

4.8 × [tex]10^{-6}[/tex] = 0.000005

1140000 ÷ 0.000005 = 237500000000

Answer:

y = 4x

Step-by-step explanation:

it's on the orgin and I got it right

Answer:

y = 4x - 9

Explanation:

slope intercept form:

In the given equation y = 4x - 7, the slope is 4 and y-intercept is -7.

If the equation's are parallel to each other, the slopes are same. [tex]\sf m_1 = m_2[/tex]

So the slope for equation which passes through (3, 3) will be 4.

Equation:

[tex]\sf y - y_1 = m(x - x_1)[/tex]

[tex]\rightarrow y - 3 = 4(x - 3)[/tex]

[tex]\rightarrow y - 3 = 4x - 12[/tex]

[tex]\rightarrow y = 4x - 12+3[/tex]

[tex]\rightarrow y = 4x - 9[/tex]

There is no Real number whose square is −16.

If

a∈R then a2≥0. So there is no real square root of −16

If i is the imaginary unit, then i

i^2=-1

and we find that:

(4i)2=2⋅i2=16⋅−1=-16

So 4i is a square root of −16.

(−4i)2=(−4)2i2=16⋅−1=−16

So, −4i is a square root of −16√−16=i√16=4i

There is no Real number whose square is −16.

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If Jim has to run faster than 80% of adult then he need to run with speed 5.89 mph.

A Normal Distribution is defined as the distribution where the random variable values are distributed symmetrically.

In the Question it is given  that

mean (μ) = 5.3                                                   ...(i)

standard deviation (σ) = 0.7                             ...(ii)

and Jim runs faster than 80% of adult men,

and the group follows a normal distribution.

For Normal Distribution

Jim runs faster than 80% of adult men, is represented by

P(x<z)=0.80

z=φ(0.80)

z=0.842    ( from z table )                                  ...(iii)

we know that

[tex]z=\frac{x-\mu}{\sigma}[/tex]                                         ...(iv)

Substituting the values of (i),(ii) and (iii)  in (iv) we get

[tex]0.842=\frac{x-5.3}{0.7} \\ \\ x-5.3=0.842*0.7\\ \\ x-5.3=0.5894[/tex]

[tex]x=0.5894+5.3\\x=5.8894[/tex]

x≅5.89

Therefore , if Jim has to run faster than 80% of adult then he need to run with speed 5.89 mph.

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The whole number for the value (x + 21) is 41.

All integers starting from 0 are called whole numbers. The opposite of their corresponding positive numbers, the negative numbers are additive. The blackboard bold math Z or boldface Z is a common way to represent the set of integers in mathematical terminology.

given,

       x = 20

then by putting the value of x = 20 in

       (x + 21)°      we get,

     = (20 + 21)°

     = 41°

Hence, the whole number of (x + 21) is 41

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Answer:

6 minutes

Step-by-step explanation:

No. of pages printed in 4 minutes = 72

No. of pages printed in 1 minute   = 72/4 = 18

Remaining pages to be printed    = 177 - 72 = 105

Time taken to print 105 pages = 105/18 = 5.83 minutes

Rounded off to the nearest whole number ⇒ 6 minutes

Answer:

x = 22 1/3

Step-by-step explanation:

5x - 17 = 2x + 50

~Add 17 to both sides

5x = 2x + 67

~Subtract 2x to both sides

3x = 67

~Divide 3 to both sides

x = 22 1/3

Best of Luck!

Answer:

5x + 7

Step-by-step explanation:

8x + 8 + 2x + 7 = 10x + 15

15x + 22 - (10x + 15) = 5x + 7

Option A, 65 + |−5| = 70°, 65° is the farthest from 0°

Here, we are given that.

The average temperature in the mountains is 65° in April.

The average temperature in that same spot is −5° in December.

Thus, the difference in the temperature will be-

65 - (-5)

= 65 + 5

= 70°

Therefore, this location is 70° warmer in April than in December.

Now, their distance from 0 will be-

|65 - 0| = 65

as distance cannot be negative, we look at only the absolute difference.

Similarly |-5 -0| = 5

Thus, we see that 65° is the farthest from 0°.

Hence, option A, 65 + |−5| = 70°, 65° is the farthest from 0°, is the correct answer.

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Given that E is the midpoint of DF, the numerical values of DE, EF, and DF are 31, 31, and 62 respectively.

A midpoint is simply a point that divides a segment into two equal halves.Given the data in the question;E is the midpoint of D

Since E is the midpoint of DF, DE is equal to EF.

Segment DE = Segment EF

6x + 1 = 7x - 4

Solve for x:

6x - 7x = - 4 - 1

-x = -5x = 5

Now, the numerical values of DE, EF, and DF will be;

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