rita traveled 1,250 miles in the first 3 days of her trip. at this rate, how long will it take her to travel 1,875 miles? how much would it cost

Answer: x<2

Step-by-step explanation:  Isolate the variable by dividing each side by factors that don't contain the variable.

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The gas mileeage in miles per gallon is 44.69 miles per gallon

We'll begin by converting 19 Km/L to miles per litres. This can be obtained as follow:

1 Km/L = 0.621371 mile per litre

Therefore,

19 Km/L = (19 Km/L × 0.621371 mile per litre) / 1 Km/L

19 Km/L = 11.806 miles per lire

We can convert 11.806 miles per litre to miles per gallon as follow:

1 mile per litre = 3.78541178 miles per gallon

Therefore,

11.806 miles per litre = (11.806 miles per litre × 3.78541178 miles per gallon) / 1 mile per litre

11.806 miles per litre = 44.69 miles per gallon

Thus, the gas mileage is 44.69 miles per gallon

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The sequence of rigid transformations that will map the preimage ΔABC onto image ΔA'B'C' is Option(a) a reflection across the x-axis, a translation 8 units right, and then a reflection across the x-axis.

Co-ordinates of the points of ΔABC are,

A = (-4, 2)

B = (-6, 2)

C = (-2, 6)

point (x,-y) is the reflection of the point (x,y) across the x-axis.

So, new co-ordinates are,

A = (-4, -2)

B = (-6, -2)

C = (-2, -6)

point (x+8,y) is the translation of the point (x,y) by 8 units right.

So, new co-ordinates are,

A = (4, -2)

B = (2, -2)

C = (6, -6)

Then, the reflection of the point (x,y) across the x-axis is the point (x,-y).

So, new co-ordinates are,

A' = (4, 2)

B' = (2, 2)

C' = (6, 6)

These are the coordinates of ΔA'B'C' so the correct answer is Option(a).

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"The complete question is: Which sequence of rigid transformations will map the preimage ΔABC onto image ΔA′B′C′?

a) a reflection across the x-axis, a translation 8 units right, and then a reflection across the x-axis

b) a translation 4 units down and 10 units to the right

c) a reflection across the line y = x followed by a rotation 90° counterclockwise

d) a rotation 180° clockwise followed by a reflection across the x-axis."

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

[tex]\lim\limits_{x \to 0} (1+x)^\frac{1}{x} =e\ (the\ second\ remarkable\ limit.)\\\\ \lim\limits_{x \to 0} (1+x)^\frac{1}{x} \approx2.718[/tex]

1/2 is the likelihood of rolling an odd or even number in probability.

What is probability and how is it calculated?

The event "rolling an odd number" contains three outcomes. There are 6 equally likely outcomes in the sample space. Divide to find the probability of the event.

  P(E) = 3/9 = 1/2

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The digit 8 in Carla’s number represents 10 times of what the digit 8 represents in Travis’ number.

The number written by Carla = 814,247

The number written by Travis = 683,571

The place value of digits starting from left is ones, ten's, hundreds, thousands, ten thousand, hundred thousand and so on.

As per this sequence of values, we can see that digit 8 in Carla's number is at hundred thousand place value. Also, digit 8 in Travis' number is at ten thousand place value. So, representing these place value in numeral form and finding the number of times one is greater than other.  

Digit 8 in Carla's number: 100,000

Digit 8 in Travis' number: 10,000

Finding the answer -

Value = 100,000 ÷ 10,000

Cancelling common zeroes from numerator and denominator

Value = 10

Hence, digit 8 in Carla’s number represents 10 times of what the digit 8 represents in Travis’ number.

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The correct question is -

Carla wrote this number: 814,247

Travis wrote this number: 683, 571

The digit 8 in Carla’s number represents how many times what the digit 8 represents in Travis’ number?

A. 10

B. 100

C. 1000

D. 1/10

135,701.949 rounded to the hundredths is 135,701.95

Answer:

343.

Step-by-step explanation:

nice :)

The product of 3 and 7 is 21.

The product of two numbers is the result you get when you multiply the  numbers together.

Given are two numbers, 3 and 7.

When we multiply 3 to 7 we get 21,

Mathematically, it can be expressed as,

3x7 = 21

Hence, The product of 3 and 7 is 21.

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The major determinant of the permeability of a membrane to a specific ion is "the quantity of open ion channels that are specific to that ion."

Certain cells, known as excitable cells, are distinguished by their capacity to produce electrical signals.

Some key features regarding the open ion channels are-

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Answer:

10,540

Step-by-step explanation:

(5000*2)+(200+300)+40

10,000+500+40=10,500+40=10,540

Hope this helps!

Answer:

10540

Step-by-step explanation:

Answer: x has infinite number of solutions

Step-by-step explanation:

6−2(8−x)=2x−10

6-16-2(-x)=2x-10

-10+2x=2x-10

2x-10=2x-10 ==> x has infinite number of solutions

Answer:

a = 7

b = -10

c = 3

That is all for this question.

Answer: 210 cm

Step-by-step explanation:

1 inch=2.5 cm

1 foot=12 inches

1 foot*12 inches*2.5 cm=30 cm

1 foot=30 cm

7 feet=30*7=210 cm

The values of x are 1/ 5 and 11 respectively.

Algebraic expressions are expressions that are comprised of terms, constants, coefficients, variables and factors.

They are also made up of arithmetic operations made up of subtraction, addition, multiplication, division.

To determine the expressions, we have;

1. Let the number be x

We have the expression as;

6x - 8 = x - 7

collect like terms

6x - x = - 7 + 8

5x = 1

Make 'x' the subject

x = 1/ 5

2. Let the number be x

2x = x + 11

collect like terms

2x - x = 11

x = 11

Thus, the values of x are 1/ 5 and 11 respectively.

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The domain of x will be a set of whole numbers greater than 2 which is; x  > 2

The range of y will be a set of rational numbers greater than or equal to 1.5 which is; y ≥ $1.5

The domain of a function is defined as the set of all possible input values that make the function possible while range is the set of all possible output values that are possible from the input values.

The function is; y = 0.5x

Since the value of x represents the number of people that purchased tickets for the rides including Neville, then we can say that the domain of x will be a set of whole numbers greater than 2 because we are told it is him and his friends which is plural. Thus;

The domain is; x > 2

The range will be;

y ≥ 3(0.5)

y ≥ $1.5

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In 12 days a professional gamer got 6561 points

We know that average is ratio of the sum of all observations and the number of total observations.

For given question,

A professional gamer averaged a score of 534 points, every day, for 5 days.

⇒ 534 = (total score of 5 days) / 5

⇒ total score of 5 days = 534 × 5

⇒ total score points of 5 days = 2670 points

Then, for the next 3 days he scored a total of 1827 points.

So, the total points of 8 days would be,

total score points of 5 days +  total score points of 3 days

⇒ 2670 points + 1827 points = 4497 points.

In another 4 days he averaged a score of 516 points each day.

⇒ 516 = (total score of 4 days) / 4

⇒ total score of 4 days = 516 × 4

⇒ total score points of 4 days = 2064 points

So, the total number of points he did in 12 days:

total score points of 5 days +  total score points of 3 days + total score points of 4 days

= 2670 points + 1827 points + 2064 points

= 6561 points

Therefore, in 12 days a professional gamer got 6561 points

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The solutions to the equation in the interval are x = π/3, x = 5π/3 and x = π.

A formula for a mathematical equation is one that connects two expressions and expresses their equality using the equals sign (=). In English, an equation is defined as a properly written formula that consists of two expressions connected by an equals sign, however cognates of the word in other languages may have slightly different meanings. For instance, an equation is defined as having one or more variables in French. Finding the variables' values that cause the equality to be true is the first step in solving an equation with variables.

Let's assign a variable to the cosine function, cos(x), and say y = cos (x). Our phrase changes to

4y2 + 2y - 2 = 0

2(2y2 + y - 1) = 0

2y2 + y - 1

= 2y(y+1) - (y + 1)

= (2y - 1)(y + 1)

2(2y-1)(y+1) = 0

y + 1 = 0 = y = -1

The answers cos(x) = 1/2 and cos(x) = -1 result from replacing y with cos(x). Our solutions are x = /3, x = 5/3, and x = on the interval [0, 2], where cos(x) = 1/2 for x = /3 and x = 5/3 and cos(x) = -1.

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Answer:

1/3 is a repeating decimal. 0.33333....

7/12 is a repeating decimal 0.5834....

1/5 is a terminating decimal 0.5

5/8 is a terminating decimal 0.625

2/9 is a repeating decimal 0.2222......

Step-by-step explanation:

Hope it helps! =D

Answer:

1/3 is a repeating decimal

7/12 is a repeating decimal

1/5 is a terminating decimal

5/8 is a terminating decimal

2/9 is a repeating decimal

Answer: 4==> D

Step-by-step explanation:

b=1

|2b-5|+1=

|2(1)-5|+1=

|2-5|+1=

|-3|+1=       ==> Absolute value equations are always positive: |-x|=x, not -x.

3+1=4==> D

Answer:

Step-by-step explanation:

D 4

Answer:

Week 1:

Michelle makes the most with $237.50

Chris made $195 and Alex made $178.50

Week 2:

Michele makes the most with $232

Chris made $192.50 and Alex made $180.83

Week 3:

Alex makes the most with $234.50

Chris made $272.50 and Michelle makes $206

Step-by-step explanation:

For Chris in week 1, multiply 3/100 x 1500 to get what he makes on commission. That equals $45. $150 + $45 = $195

For Michelle in week 1, multiply 15 x 5 = 75. Also multiply 25 x 6.5 = 162.5 to find how much she gets payed by the Pringles. Add it up to get $237.50

For Alex in week 1, multiply 21 x 8.5 = $178.50

For Chris in week 2, multiply 1/40 x 1000 = $25 to get what he makes on commission for the first $1,000. Then multiply 7/200 x 500 = $17.50 to get when he makes on commission for the sales over $1,000. Add it all up and get $192.50

For Michelle in week 2, multiply 10 x 5 = 50 to find how much she gets payed by the Rogers'. Then multiply 28 x 6.5 = 182 to find how much she gets payed by the Pringles. Add it up to get $232

For Alex in week 2, multiply 25 x 7 = 175 to find out how much he earns for 5 hours each day. Then, since Alex worked another 50 minutes, multiply 5/6 x 7 = 5.83. Add it up to get $180.83

For Chris in week 3, multiply 3/200 x 1500  = 42.50 to get what he makes on commission. Then add it with the base salary of 250 to get $272.50

For Michelle in week 3, since the Pringles paid her double, she earned $13 an hour. So, multiply 13 x 12 = 156. Then add it with the $50 she makes from the Rogers' and get $206

For Alex in week 3, multiply 7 by the number of hours he works each day in the week. Get $234.50

The values of the expression at the domain {-2, 3} are {-8, 4}

The expression is given as

2x^2 + 3x - 10

The domain of the function is given as

{-2, 3}

Rewrite the domain as

x = {-2, 3}

Next, we substitute these values of x in the expression 2x^2 + 3x - 10

So, we have

x = -2:⇒ 2(-2)^2 + 3(-2) - 10 = -8

x = 2:⇒ 2(2)^2 + 3(2) - 10 = 4

Hence, the values of the expression at the domain {-2, 3} are {-8, 4}

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The product of the given expression 24.8 × 3.5 is 86.8. option D

Product refers to any operation or a result thereof which generalises multiplication of numbers, like the multiplicative operation in a ring, product of types or a categorical product.

This is also a quantity obtained by multiplication of two or more numbers.

The Multiplication symbol is represented by ( × )

For instance,

24.8 × 3.5

= 86.8

Therefore, the product of the given expression 24.8 × 3.5 is 86.8.

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36.6 in standard form will be [tex]3.66 * 10^{1}[/tex]

As per the question statement, we are given standard form of a number i.e., [tex]3.66 * 10^{1}[/tex].

We have to find the number whose standard form is [tex]3.66 * 10^{1}[/tex]

For solving this, we should be knowing about standard form conversion from any given number which is written by raising the number to power of 10.

[tex]3.66 * 10^{1}[/tex][tex]= 3.66 *10 = 36.6[/tex]

Therefore 36.6 is the number whose standard form is [tex]3.66 * 10^{1}[/tex]

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Mother spent (4r - 8) dollars more on cherries than did the father.

An expression using numbers and related operations is called a numerical expression.

According to the question, a pound of cherries costs $4.

Mom purchased r pounds.

The price of the cherry is calculated as follows: 4r = weight x $/lb.

Father purchased 2 pounds, thus the price of the cherries is 4 (2), or $8.

We remove the smaller value from the higher value, which is 4r - 8, where r must be more than two. Given that the mother spent more money on cherries than the father, the mother's cost of cherries is a greater value.

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we get that the point P can either lie at - 3 or at 23.

We are given the two points:

P and Q

We are also given the distance between the two points P and Q is:

PQ = 10 units.

Now we have that Q lies at 13.

We have to find the location of P.

We know that

Distance = P ± Q

10 = P ± 13

so, we get that

10 = P + 13 or 10 = P - 13

P = 10 - 13 or P = 13 + 10

P = -3 or P = 23

Therefore, we get that the point P can either lie at - 3 or at 23.

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Answer:

  21

Step-by-step explanation:

You want the value of the expression 2f(-3)-f(4), given that f(x) = 3x²-x+ 5.

A function is evaluated by putting the argument where the variable is, and simplifying the result. Polynomials are often easier to evaluate if they are written in Horner form.

  f(x) = 3x² -x +5

  f(x) = (3x -1)x +5

The values we need are ...

  f(-3) = (3(-3) -1)(-3) +5 = (-10)(-3) +5 = 35

  f(4) = (3(4) -1)(4) +5 = (11)(4) +5 = 49

Then the expression of interest has the value ...

  2f(-3) -f(4) = 2(35) -49 = 70 -49

  2f(-3) -f(4) = 21

Answer:

w=12

Step-by-step explanation:

3.6w=2(0.8w+12)

3.6w=2x0.8w+2x12

3.6w=1.6w+24

3.6w-1.6w=24

2w=24

w=12

HOPE THIS WILL HELP;)