At a store, the Jenson family puts 12.4 gallons of gas in their van at a cost of $3.80 per gallon.​

Answers

Answer 1
$47.12 because they’re asking for the cost at per gallon you multiply 3.80 • 12.4

Related Questions

What is the graph for -1/2x+y=10

Answers

First rearrange to get y=1/2x+10. Count 10 up on y axis and put a point there. Then go up 1 and over 2 and place another point there and repeat the pattern.

Bridger`s mom offered to pay her $5.00 to clean out the refrigerator and freezer, and if she got it done before dinner time 6:00 p.m., she would receive a 20% bonus bridget cleaned the refrigerator and freezer by 5:00 p.m what is the total amount bridget received form her mom

Answers

The total amount Bridget received from her mom will be $6 as she will get extra for cleaning before 6PM.

What is percent?

In essence, percentages are fractions with a 100 as the denominator. We place the percent symbol (%) next to the number to indicate that the number is a percentage. For instance, you would have received a 75% grade if you answered 75 out of 100 questions correctly on a test (75/100). A number or ratio that can be expressed as a fraction of 100 is referred to as a percentage in mathematics. If we need to calculate a percentage of a number, we should divide it by its entirety and then multiply it by 100. The percentage therefore refers to a part per hundred. Per 100 is what the word percent means. The letter "%" stands for it.

Here,

$5 for cleaning,

as she completed before 6 PM,

=5+20%*5

=5+1

=$6

Bridget's mother gave her $6 in total, with an additional $1 for cleaning before 6 o'clock.

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In a 30 60 90 triangle where the long side is equal to 4, what are the values of the hypotenuse and short side ?

Answers

For given 30 60 90 triangle, the values of the hypotenuse = 4 units and short side = 2 units

We know that, a 30 60 90 triangle is right triangle.

In right triangle the longest side is hypotenuse.

Here, hypotenuse = 4 units

The short side of triangle is the opposite to the side of smallest angle.

So, we need to find the length of the side opposite to angle 30.

Consider sin(30) = short side/hypotenuse

1/2 = short side/4

short side = 4/2

short side = 2 units

Therefore, for given 30 60 90 triangle, the values of the hypotenuse = 4 units and short side = 2 units

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Casey has no less than 52 model toy cars in his collection.

Which graph represents the number of cars in the collection?

number line with open circle on point 52, shaded left
number line with closed circle on point 52, shaded left
number line with closed circle on point 52, shaded right
number line with open circle on point 52, shaded right please give right answer

Answers

Answer: The answer is b

Step-by-step explanation:    Please give me thanks and 5 star  

              Have Great Day   :)

How many steel rods are in a staircase frame with 12 steps?

Answers

180 steel rods to be exact

In triangle efg and triangle yxz, angle x and angle e are congruent to angle y. If angle e = 62 degrees and x = 80 degree, what is the measure of angle Z

Answers

The measure of the angle ∠Z is 38°.

We are given two triangles. The vertices of the first triangle are E, F, and G. The vertices of the second triangle are Y, X, and Z. The angle ∠F is congruent to the angle ∠X. The angle ∠E is congruent to the angle ∠Y. The measures of the angles ∠E and ∠X are 62° and 80°, respectively. We need to find the measure of the angle ∠Z. The measure of the angle ∠Y must be equal to the measure of the angle ∠E.

∠Y = ∠E = 62°

Now, in the triangle ΔYXZ, we will use the angle sum property. The sum of all the angles in a triangle is equal to 180°.

∠Y + ∠X + ∠Z = 180°

62° + 80° + ∠Z = 180°

∠Z = 180° - (62° + 80°) = 180° - 142° = 38°

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what is 3/4 plus 6/10?

Answers

Answer:

Step-by-step explanation:

3/4  + 6/10

= 15/20 + 12/20

=  27/20

One piece of statistical evidence used against ms. Gilbert was a low p-value for the pattern of death observed on her shifts. What does this p-value mean and what is the relevance of the p-value to the trial?.

Answers

The level of marginal significance inside a statistical hypothesis test, or P-value, represents the likelihood that a particular event will occur.

P-value;

The likelihood of getting a result that is equivalent to or more extreme than what was actually seen, under the null hypothesis, is what is meant by the term "P value." The probability (P) indicator indicates the likelihood that any observed variation between groups is the result of chance.

Here,

The statistical test's extremely low p-value indicates that the null hypothesis must be accepted, and the conclusion that Gilbert is guilty is based on the fact that Gilbert's existence is dependent on the shift deaths.

Relevance of p-value to the trial;

The p-value evaluates the agreement between the trial's actual outcomes and the "pure chance" explanation for them. When the only differences between groups A and C are the result of chance, a p-value of 0.002 favoring group A very extremely seldom occurs.

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A rectangular prism with a volume of 4x^3+22x^2+10x cubic units has a base area of x² +5x square units. Find the height of the rectangular prism.
The height of the prism is_____units

Answers

The height of the rectangular prism  is 4x+2 unit.

What is  rectangular prism?

A rectangular prism's volume is a measurement of the entire interior volume. Consider a rectangular water-filled container. In this instance, the container's capacity is equal to the maximum amount of water it can hold. A polyhedron known as a prism has the same cross-section along its entire length, equal bases, and flat rectangular side faces. Based on the design of their bases, prisms are categorised. A rectangular prism is within the category of three-dimensional shape. The prism has six faces, all of which are rectangles.

Here the given volume of rectangular prism is,

=> V= 4[tex]x^3+22x^2+10x[/tex] cubic unit

And area of base B = [tex]x^2+5x[/tex] square unit.

Now volume of rectangular prism

=> V= area of base × height

=> 4[tex]x^3+22x^2+10x[/tex]  = [tex]x^2+5x[/tex] × height

=> Height = [tex]\frac{4x^3+22x^2+19x}{x^2+5x}[/tex]

=> Height = [tex]\frac{2x(2x^2+11x+5)}{x(x+5)}[/tex]

=>Height = [tex]\frac{2(2x^2+x+10x+5)}{x+5}[/tex]

=> Height = [tex]\frac{2(x(2x+1)+5(2x+1))}{x+5}[/tex]

=> Height = [tex]\frac{2(2x+1)(x+5)}{x+5}[/tex]

=>Height = 2(2x+1)

=> Height = 4x+2 unit .

Hence height of the rectangular prism is 4x+2 unit.

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2x² + 3x - 14
Please helppp!

Answers

(X-2)(2x+7) u get this
1 by using the sum product pattern
2 getting common factors from 2 pairs
3 rewrite in factored form

Monica has $20. She needs to buy a gallon of milk that costs $2.50. She also wants to buy yogurt, which costs $1.20 a cup. What is the greatest number of cups of yogurt Monica can buy? Use the inequality 1.20x + 2.5 ≤ 20 to solve the problem. Monica can buy | cups of yogurt. ​

Answers

The greatest number of cups of yogurt that Monica can buy is 14 cups

The amount that she has = $20

The cost of one gallon of milk = $2.50

The cost of one cup of yogurt = $1.20

Consider the number of cups of yogurt = x

Then the inequality will be

1.20x + 2 .50 ≤ 20

Solve the inequality and find the value of x

Subtract 2.50 from both side of the inequality

1.20 + 2.50 - 2.50 ≤ 20 - 2.50

1.20x ≤ 17.5

Divide both side of the equation by 1.20

1.20x / 1.20 ≤ 17.5 / 1.20

x ≤ 17.5 / 1.20

x ≤ 14.58

Hence, the greatest number of cups of yogurt that Monica can buy is 14 cups

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5 3/8x2 7/8 with explanation

Answers

Answer: 15 29/64

Step-by-step explanation: Convert the mixed numbers to fractions. 43/8 times 23/8. This would equal 989/64 and if you simplify that, it would be 15 29/64.

Hoped This Helped!

Help please. It's means with expression and it's due by the end of this class and I legit forgot how to do it because I havent done this since 4th grade.

Answers

Answer:

the two middle students are 63

Use the diagram to find lengths. BP is the perpendicular bisector of AC. QC is the perpendicular bisector of BD. AB = BC = CD.

Suppose AC = 48 cm and QD = 51 cm. What is the length of QC?

pq

QC is
cm in length.

Answers

The length of segment QC, using the Pythagorean Theorem, is of:

QC = 45 cm.

What is the Pythagorean Theorem?

The Pythagorean Theorem relates the length of the legs [tex]l_1[/tex] and [tex]l_2[/tex] of a right triangle with the length of the hypotenuse h, stating that the length of the hypotenuse is obtained according to the equation presented as follows

[tex]h^2 = l_1^2 + l_2^2[/tex]

The length of QC is obtained considering that QC is a leg of a right triangle in which:

BC is the other leg.QB is the hypotenuse.

The perpendicular bisector theorem states that if a point is on the perpendicular bisector of a segment, then it is equidistant from the segment's endpoints, thus the length of segment QB is given as follows:

QB = QD = 51 cm.

B is the midpoint of AC, hence the length of segment BC is given as follows:

BC = 0.5 x AC = 0.5 x 48 = 24 cm.

Hence the length of QC is obtained as follows:

QC² + 24² = 51²

QC = sqrt(51² - 24²)

QC = 45 cm.

Missing Information

The diagram is given by the image shown at the end of the answer.

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Why area of square is a2?.

Answers

By using diagonal properties of square, we can prove the area of triangle as a².

What is square?

A square is a flat object in geometry that has four equal sides and four right angles (90°). An equilateral rectangle is a specific sort of square, while a parallelogram is a special kind of square (an equilateral and equiangular one).

Prove: Area of square =

Suppose, there is a square of side length a.

Let, d be the length of each diagonal. We know, both diagonals of square have equal length.

So, d^2 = a^2 + a^2 = 2 * (a^2)

Or, d = a * (√2).

Also, we know that diagonals of a square are perpendicular bisectors.

So, we can consider that the square as four isosceles right angled triangles.

Length of each perpendicular side of every isosceles right angled triangle = (1 / 2) * d = (d / 2).

So, area of each isosceles right angled triangle = (1 / 2) * (d / 2) * (d / 2) = {(d^2) / 8}

Area of the square = 4 * {(d^2) / 8} = {(d^2) / 2}.

Since, d = a * √2; so we put in the above formula, the area becomes equal to that of (a^2).

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In 2015, ed spent $800 buying lunches. In 2017, he spent $300 buying lunches. What was the rate of change from 2015 to 2017?.

Answers

The rate of change from 2015 to 2017 is -$250

The amount he spend for lunch in 2015 = $800

The amount he spend for lunch in 2017 = $300

Therefore the total change = The amount he spend for lunch in 2017 - The amount he spend for lunch in 2015

Substitute the values in the equation

= 300 - 800

= -500

The total years from 2015 to 2017 = 2 years

The rate of change from 2015 to 2017 = The total change / The total years from 2015 to 2017

= -500 / 2

= -$250

Hence, the rate of change from 2015 to 2017 is -$250

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Pls, HELP ASAP!!!!!!!!!!!!!!!!!
The locations of student desks are mapped using a coordinate plane where the origin represents the center of the classroom. Maria's desk is located at (5, −1), and Monique's desk is located at (−2, 4). If each unit represents 1 foot, what is the distance from Maria's desk to Monique's desk?

square root of 10 feet
square root of 72 feet
square root of 74 feet
square root of 100 feet

Answers

Answer: it’s the square root of 10

Step-by-step explanation: I took this test

Answer:[tex]\sqrt{74}[/tex]

Step-by-step explanation:

at a birthday party, there are 7 boys and 5 girls. what percent of the kids are boys, rounding to the nearest tenth of a percent? 41.7% 58.4% 71.4% 41.6% 58.3%

Answers

The percentage of kids who were boys in the birthday party is 58.3%.

The percentage can be calculated by the relation-

Percentage = number of boys ÷ total number of kids × 100

Calculating each value before calculating the percentage.

Number of boys = 7

Total number of kids = number of boys + number of girls

Total number of kids = 7 + 5

Performing addition

Total number of kids = 12

Keep both the values in formula -

Percentage of boys = (7÷12)×100

Percentage of boys = 58.33%

Round the number of nearest tenth, we get percentage = 58.3%

Thus, there were 58.3% boys.

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write a 2 columm proof please help i cant do it

Answers

Two column proof is as follows

Statement                              Reason

AB ≅ CB                                Given                  

AD ≅ CD                               Given

< BAD ≅ < BCD                     Given

< ABD = < CBD                      Definition of angle bisection

AB = CB                                 Definition of equality

BD = BD                                 Reflexive property of congruence

AD = DC                                 Definition of bisection

Δ ABD = Δ CBD                     SSS postulate of congruence

What is two column proof?

This is a method of proof that consists of five parts which include

the diagram the statement columnthe reason columnthe giventhe proposition

SSS postulate of congruence

The postulate says that when the three sides of the triangles under comparison are equal then the triangles under comparison are said to be congruent.

In the figure,

AB =CB, from the given sides

BD = BD sharing common sides

AD = CD line AC was bisected by line BD

This completes the SSS proof of congruence

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A) x = 7
B) x = 11
C) 3x+28 - 5x+52 + 2x-10 = 360x = 15
D) x = 20

Answers

Answer:

B) x = 11

Step-by-step explanation:

The three angles of a triangle always add up to 180°

3x+28+5x+52+2x-10

= 180

Combine like terms.

10x + 70 = 180

subtract 70

10x = 110

divide by 10

x = 11

What is the measure of angle B in this triangle?

Enter your answer in the box.

Answers

Answer:

22 degrees

Step-by-step explanation:

Sum of all three angles of a triangle equal 180 degrees so we can add these angles and set it equal to 18” degrees to find x

x+16+120+x=180

2x+136=180

    -136.  -136

2x=44

/2.  /2

x=22

So angle b is 22 degrees

Hopes this helps please mark brainliest

The expression a^5/2 is equivalent to which

Answers

Answer:

[tex] a^\frac{5}{2} = \sqrt{a^5} = (\sqrt {a})^5 [/tex]

Step-by-step explanation:

A number raised to a fraction as an exponent means the number is raised to the numerator of the exponent, and then take the root shown by the denominator of the exponent.

For example, if the exponent is 2/3, raise the number to the 2nd power and take the third root.

Here is the definition:

[tex]a^{\frac{m}{n}} = \sqrt[n]{a^m} = (\sqrt[n]{a})^m[/tex]

[tex] a^\frac{5}{2} = \sqrt{a^5} = (\sqrt {a})^5 [/tex]

14 Which equation describes the nth term of the arithmetic sequence
7, 10, 13, 16, ...?
A a=3n + 4
B a₁ = 7+3n
C a = - 4n+ 3
D a₁ = 3n - 4

Answers

Answer:

I think it's B

Step-by-step explanation:

Because the pattern starts at 7 then plus 3 etc...

b. Jada squared a number and got-4. Elena squared a different number and got-4. What were the numbers that Jada and
Elena squared?
Type the answers in the boxes below.

Answers

Answer: The answer is -2

Times for the three parts of a journey are 20 minutes 40 minutes 1 hour and 30 minutes work out the total time for the journey give your answer in hours

Answers

Total time for whole journey can be calculated by adding the three parts of the journey which would give answer as 2.5 hours.

What is a fraction?

The components of an entire or group of items are represented by fractions. A fraction consists of two components. The numerator is that the figure at the top of the line. It details the amount of equal portions that were taken from the total or collection. The denominator is that the figure that appears below the line.

Main Body:

total time = 20 minutes + 40 minutes + 1 hour 30 minutes

                = 2.5 hours or 5/2 hours.

Hence total time for journey is 2.5 hours.

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You have d dollars to buy fence to enclose a rectangular plot of land. the fence for the top and bottom costs $a per foot and for the sides it costs $b per foot. find the dimensions of the plot with the largest area. for this largest plot, how much money was used for the top and bottom , x, and for the sides, y?

Answers

You have d dollars to buy fence to enclose a rectangular plot of land. the fence for the top and bottom costs $a per foot and for the sides it costs $b per foot.

To find the dimensions of the plot with the largest area.

Total Money = D dollars

Total cost for top and bottom fence = $4(2x)

Total cost for sides fence = $8(2y)

Hence total cost of fencing = 4(2x)+8(2y) = 8x+16y

C = 8x+16y

Given cost (c) = D dollars

D = 8x+16y

Now Area of the plot A = xy

A = xy is optimizing function and D = 8x+16y

= [tex](\frac{D-16y}{8})=x[/tex]

A = [tex]\frac{D-16y}{8}y[/tex]

For A to be maximum [tex]\frac{dA}{dy}=0[/tex]

A = [tex]\frac{D}{8}y-\frac{16}{8}y^{2}[/tex]

[tex]\frac{dA}{dy} = \frac{D}{8}-\frac{16}{8}(2y)[/tex]

[tex]\frac{dA}{dy} = \frac{D}{8}-4y[/tex]

[tex]\frac{dA}{dy} = 0 = \frac{D}{8}-4y=0[/tex]

[tex]\frac{D}{8} = 4y = y = \frac{D}{32}[/tex]

Now [tex]\frac{d^{2}A }{dy^{2}} = -4 = -ve number[/tex]

for y = [tex]\frac{D}{32}[/tex] area is maximum

[tex]x = \frac{D-16y}{8} = \frac{D-16 (\frac{D}{32} )}{8} = \frac{D}{16}[/tex]

Say the top and bottom dimensions are = [tex]\frac{D}{16}[/tex]

Sides dimensions are = [tex]\frac{D}{32}[/tex]

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PLEASE HELP! Will an exponential function always exceed a linear function? Explain your answer and provide examples to support your claim.

Answers

The exponential function always exceeds the linear function

A mathematical function of form f (x) = an x is an exponential function. where x is a variable and an is the function's base constant The transcendental number e, which is approximately 2.71828, is the most commonly encountered exponential-function base.

An exponential function is distinguished from linear and quadratic functions in that the variable to be solved for is contained within the function's exponent rather than (necessarily) within the base of some exponential expression. Here are some examples:

Linear function: f(x) = 3x - 7: The exponents 1 and 0 are implied here, so f(x) is 3(x^1) - 7(x^0). It is worth noting that x is not a component of either exponent; rather, it is a component of the base of each exponent.

h(x) = 4^(3x + 7):This is an exponential function because the variable x is contained within the exponent in this expression.

As a result, the exponential function always outperforms the linear function.

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−9−(−12) as an addition expression

Answers

The value of 9−(−12) as an addition expression is 3.

What is a expression?

Expression simply refers to the mathematical statements which have at least two terms which are related by an operator and contain either numbers, variables, or both. Addition, subtraction, multiplication, and division are all possible mathematical operations.

In this case, the expression given is illustrated as:

-9 - (-12)

It's important to note that (-) × (-) = +

Therefore, -9 - (-12)

= - 9 + 12

= 3

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The boys and girls soccer clubs are trying to raise money for new uniforms.​

Answers

Answer: the answer you chose was correct x+y <1000

                                                                       x=<75

Step-by-step explanation:

first they are selling 3 dollar and 4 doallar items to get above 1000 dollars

then they sayed at least 75 bags of hot chips so it has to be 75 or higher

Lora's phone records data for screen time each week. last week, she used 920 minutes. this week, lora used 690 screen time minutes on the phone. calculate the percent decrease in screen time this week. 25% 33% 40% 75%

Answers

The percentage decrease in Lora's screen time on phone is 25% this week.

Percentage related problems work around a certain reference value. This reference value is what the output percentage refers to when showing any growth or decay in the other value.

For this problem, last week's screen time is that reference value i.e. 920 minutes per week.

Now, current week's usage is 690 minutes per week. For calculating percentage decrease, we first find our the difference (in minutes).

[tex]Decrease=S_{1}- S_{2}=920-690=230[/tex]

Now, for its percentage we compare this value to our reference value i.e. last week's screen time. This will tell us about the decrease in screen time with reference to last week. This is what percentage does i.e. compares two sets of data.

[tex]Decrease=\frac{difference}{S_{1}}*100= \frac{230}{920}*100[/tex]

[tex]Decrease=25[/tex]%

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Answer:25

Step-by-step explanation:

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