Truck Transport
A truck driver is beginning her haul across the country. The warehouse is 15 miles
from the highway. Once she gets on the highway she maintains a constant rate for
several hours. Complete the table of values for the sequence below that relates hours on
the highway and distance from the warehouse in miles.
Answers
Refer to the attachment for the required table:
What is the unit rate?
A unit rate is a cost for only one of anything. This is expressed as a ratio with a denominator of 1. For instance, if you covered 70 yards in 10 seconds, you did so at an average speed of 7 yards per second. Although both of the ratios—70 yards in 10 seconds and 7 yards in one second—are rates, only the latter is a unit rate.
From the table,
For 0 hours, distance = 15 miles
For 1 hour, distance = 80 miles
Difference between distances= 80-15=65 miles
Since it is given that, it is at a constant rate, for every hour there is an increase of 65 miles in distance.
The completed table is shown in the attachment.
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Related Questions
When choosing the linear equation that represents the graph, I can look at the direction of the line and automatically know if the slope is a positive or negative number
Question 1 options:
True
False
Answers
True. You can look at the direction of the line and automatically know if the slope is a positive or negative number.
The linear equation with positive value of slope goes upwards from left to right and linear equation with negative value of slope goes downwards from left to right.
Thus, it is true that you can look at the direction of the line and automatically know if the slope is a positive or negative number.
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I need help with this please help me
Answers
Answer:
y = 122
x = 58
Step-by-step explanation:
Parallel line angle rule, corresponding angle are equal
so y = 122
A flat line has 180degree angle
to get x, flat line - y = 180 - 122 = 58
Select all of the following that are quadratic functions. x = 3y2 – 6y + 5 y + 3 = –2 x 2+ 5 y = 2 x 2 – 8 x + 6 y= –7 x – 4 y – 3 x = 4 x 3 – x2 + 9 y = 5 x(x + 9) – 8 y – 2 x 2 = 3 x – 2 x 2 + 4
Answers
The quadratic functions in this problem are listed as follows:
x = 3y2 – 6y + 5.y + 3 = -2x² + 5.y = 2x² - 8x + 6.y = 5x(x + 9) - 8.What is the definition of a quadratic function?The definition of a quadratic function is presented as follows:
y = ax² + bx + c.
In which the leading coefficient a has to assume a value different of zero.
Another format to represent a quadratic function is making the input variable y and the output variable x, which is an exchange of the conventional notation, hence:
x = ay² + by + c.
The non-quadratic functions in this problem are:
y = -7x - 4 -> Linear function, as the highest exponent is of one.y - 3x = 4x³ - x² + 9. -> Cubic function, as the highest exponent of three.All the other functions are quadratic functions, as they have two as the highest exponent, with a leading coefficient different of zero.
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The price of an item has risen to $169 today. Yesterday it was $130. Find the percentage increase.
Answers
Answer:30%
Step-by-step explanation:
Step-by-step explanation:
so,
100% = $130
1 % = 100%/100 = 130/100 = $1.30
the price changed by 169 - 130 = $39.
how many % are that ?
as many % and times 1% fits into $39 :
39 / 1.3 = 30%
the price increase was 30%.
If C is to be chosen at random from the set 1,2,3, 4 And D is to be chosen at a random from the set 1234. What is the possiblity C, D would be Odd?
Answers
The probability that C and D would be odd according to the given task content is; 1/4.
What is the probability that C and D would be odd?It follows from the task content that the probability that C and D would be odd be determined.
Given that the C and D are each chosen from a set 1, 2, 3, 4.
The probability that C is odd would be;
P (C is odd) = 2/4 = 1/2
Also; P ( D is odd) = 1/2
Consequently, the probability that C and D would be odd is;
= 1 / 2 × 1 / 2
= 1 / 4.
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Lacey has 6 more than 7 times the number of marbles Rasheed has. Together, Lacey and Rasheed have 70 marbles. How many marbles does Lacey have?
Answers
Answer:62
Step-by-step explanation:
let x=number of marbles Rasheed has
let 7x+6 = number of marbles Lacey has
x+7x+6=70
8x+6=70
8x=64
x=8
Plug 8 into 7x+6 and you get 62
(15x + 3)
108
Solve for x
Answers
Answer:
(15x+3)° = 108 (vertically opposite angles)
15x = 108-3
15x = 105
x = 105/15
x =7
y = -x + 10| what is the axis of summetry
Answers
The axis of symmetry of function y = -|x + 10| is at y = 0
Axis of symmetry is an imaginary straight line which divide the function into two equal parts.
Axis of symmetry creates a mirror image of other part.
If we fold the two parts then the parts will superimposed.
Given function,
y = -|x + 10|
is in form y = a |x - h| + k
here , (h, k) is vertex
Comparing the form to the given equation
(h, k) = (-10 , 0)
which means graph is opens upward
and a = -1
Hence, the equation of axis of symmetric is at y = 0
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Which graph represents the function f(x) = −lx + 3|?
Answers
Find the chi-square value x2l corresponding to a sample size of 4 and a confidence level of 98 percent.
Answers
The critical values for the chi-square distribution, with a sample size of 4 and a confidence level of 98 percent, are of:
0.2971 and 13.2767.
How to obtain the critical value for the chi-square distribution?The critical value for the chi-square distribution is obtained inserting these following information into a calculator:
The tail of the test, whether it is left tailed, right tailed or two tailed.The number of degrees of freedom, which is one less than the sample size.The significance level, which is one subtracted by the decimal equivalent of the confidence level.In the context of this problem, with a sample size of 4 and a confidence level of 98 percent, the parameters are given as follows:
Two-tailed test, as it is standard since it says nothing about the tail.3 degrees of freedom, which is one less than the sample size of 4.Significance level of 0.02, as the subtraction of one by the confidence level of 0.98 is of 0.02.Inserting these information into the calculator, the critical values are given as follows:
0.2971 and 13.2767.
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Is anyone able to solve this?
Answers
Explanation:
To find x we need to find the unknown side that connects the two triangles using the Pythagorean theorem:
a² + b² = c² (c is always hypotenuse)
So:
a² + 6² = 9²
a² = 9² - 6²
a² = 81 - 36
a² = 45
a = sqrt45
Now we do the same thing for the other triangle:
x² + 5² = sqrt45²
x² + 25 = 45
x² = 20
x = 2√5 or 4.5...
Harper's car used 9 gallons to travel 171 miles. How many miles can the car go for each gallon of gas?
Answers
Answer:
Step-by-step explanation:
7
3 cups of cashews for 4 cups of flour how many cups of flour for 2 cups of cashews
Answers
The cups of flour required for 2 cups of cashew is 2.6667
How to find the proportion for 2 cups of cashewsThe proportion given in the problem is 3 cups of cashews for 4 cups of flour.
From the given proportion we calculate for the quantity of flours required for 2 cups of cashew
3 cups of cashew = 4 cups of flours
2 cups of cashew = ?
cross multiplying
3 * ? = 4 * 2
? = 4 * 2 / 3
? = 8 / 3
? = 2.6667
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Determine which vehicle to purchase based on monthly payment.
A. Final sale price $25,000, 5
% interest, and offer financing for 60 months
B. Final sale price $29,000, 4% interest and offers financing for 72 months.
Answers
The amount paid to vehicle A is less than to vehicle B so, Vehicle A is suitable to purchase based on a monthly payment.
What is interest?When the loan is given to you, then some amount is charged to you for the principal amount and that is called interest.
Given:
For vehicle A,
The Principal amount of the car, P = $25000,
The rate of interest, r = 5% = 5/100 = 0.05,
The tenure, n = 60 months = 60/12 = 5 years,
Calculate the amount by the formula given below,
A = P (1 + r)ⁿ
Here A is the amount,
Substitute the values,
A = 25000 (1 + 0.05)⁵,
A = $31907.03
Similarly, for vehicle b
A = 29000 (1 +0.04)⁶
A = $36694.25
As the amount of vehicle A is less than the of vehicle B Therefore, vehicle A is suitable to buy.
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The graph of a quadratic function with vertex (4, -4) is
Find the domain and the range.
Write the domain and range using interval notation.
Answers
Answer:
Domain: (negative infinity, positive infinity)
Range: (negative infinity,-4]
Step-by-step explanation:
infinity always has parentheses
domain is seen from left to right
range is seen from bottom to top
Given the equation f + 32 = −2, solve for f. 16 −30 −34 −64
Answers
To solve for a variable, simply isolate it.
f + 32 = -2
f + 32 - 32 = -2 - 32
f = 34
Answer:
The correct answer is -34.
The polynomial function f(x) is graphed below. Fill in the form below regarding the features of this graph.
Answers
Answer:
Even and Positive
Step-by-step explanation:
The Magazine Mass Marketing Company has received 16 entries in its latest sweepstakes. They know that the probability of receiving a magazine subscription order with an entry form is 0.4. What is the probability that no more than 3 of the entry forms will include an order? Round your answer to four decimal places.
Answers
Answer: The probability that more than 12 of the entry forms will include an order is 0.624.
What is probability?
It is defined as the ratio of the number of favorable outcomes to the total number of outcomes, in other words, the probability is the number that shows the happening of the event.
We have:
The Magazine Mass Marketing Company has received 16 entries in its latest sweepstakes.
The probability that more than 12 of the entry forms will include an order can be found as:
P(X > 4) = 1 - P(X = 0) - P(X = 1) - P(X = 2) - P( X = 3) - P(X = 4)
P(X > 4) = 1 - P(X = 0) - P(X = 1) - P(X = 2) - P(X = 3) - P(X = 4)
P(X > 4) = 1 - 0.0009 - 0.0097 - 0.043 - 0.117 - 0.205
P(X > 4) = 0.624
Thus, the probability that more than 12 of the entry forms will include order is 0.624.
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Step-by-step explanation:
f(x)= { -4x +4 for x <= 0
{ 10x - 4 for x > 0
FIND THE FOLLOWING VALUES
1. f(-4)= __
2. f(0)= __
3. f(2)= __
4. f(3)= __
Answers
For function, f(-4)=20, f(0)=4, f(2)=16 and f(3)=26
What is Inequality?a relationship between two expressions or values that are not equal to each other is called 'inequality.
The given function is
f(x)= { -4x +4 for x <= 0
{ 10x - 4 for x > 0
We need to find f(-4),f(0),f(2) and f(3)
f(-4) is -4x +4 as x<=0
-4(-4)+4
16+4=20
f(-4)=20
f(0) is -4x +4 as x<=0
-4(0)+4=4
f(0)=4
f(2) is 10x - 4 as x>0
10(2)-4
20-4
f(2)=16
f(3) is 10x - 4 as x>0
10(3)-4
30-4
f(3)=26
Hence f(-4)=20, f(0)=4, f(2)=16 and f(3)=26
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Which number sentence is true?
A.
B.
C.
D.
Answers
The number sentence 4.8 < √32 is true
How to determine which number sentence is true?A number sentence is an arrangement of numbers and mathematical operation symbols
Given:
For 3 1/3 < √7
3 1/3 = 3.33 and √7 = 2.65
3.33 < 2.65
This is not true
For 4.8 < √32
√32 = 5.66
4.8 < 5.66
This is true
For |-3.2| < |-3.1|
|-3.2| = 3.2 Note: when you see sign | | you neglect the sign
|-3.1| = 3.1
3.2 < 3.1
This is not true
For 5.3×10⁵ < 9.76× 10⁴
5.3×10⁵ = 5.3×100000 = 530000
9.76× 10⁴ = 9.76×10000 = 97600
530000 < 97600
This is not true
Therefore, the number sentence 4.8 < √32 (4.8 < 5.66) is true. So option B is the answer
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Need help with this
Answers
Step-by-step explanation:
please recheck your question..
There is no question attached.
hope it helps..
Please help me!!!!!11
Answers
Answer:A
Step-by-step explanation:
N is a lie, its increasing
Q is linear
R is linear
P must be true
Answer:
The answer is A) In Section P, the function is linear and increasing.
Step-by-step explanation:
B is false because it is not decreasing
C is false because it is considered linear (linear is a line). Non-linear is typically a curved line.
D is false because it's not increasing or decreasing, so when it states decreasing it isn't even right.
Hope this helps!!!
Lisa collected leaves from different trees for a science project. Every day for a week (7 days), she collected 7 leaves. How many leaves did she collect by the end of the week?
Answers
b) When the cost of the ingredients rises, the tuckshop increases its prices. A cherry muffin now costs 350 shillings. A blueberry muffin now costs the same as three damson ones. A apple and a blueberry muffin now cost as much as a cherry muffin. A cherry muffin and two damson ones now cost the same as two apple and one blueberry. How much would Aanya now spend to buy one of each?
Answers
Aanya will now buy each at the cost below
A cherry muffin costs 350 shillings
A blueberry muffin costs 210 shillings
An apple costs 140 shillings
damson ones costs 70 shillings
How to determine the cost of eachThe information given in the question is interpreted as below
A cherry muffin = 350 shillings
A blueberry muffin = 3 * damson ones
An apple + a blueberry muffin = 1 cherry muffin
A cherry muffin + 2 damson ones = 2 apple + 1 blueberry
from: 1 blueberry muffin, B = 3 * damson ones, D
D = B / 3
Also, An apple, A + B = 1 cherry muffin, C
A = C - B
C + 2D = 2A + B
substituting the values
350 + 2 * (B/3) = 2 * (350 - B) + B
350 + 2B/3 = 700 - 2B + B
collecting like terms
2B/3 + B = 700 - 350
5B/3 = 350
5B = 1050
B = 1050/5
B = 210
Solving for cost of apple
A = C - B = 350 - 210 = 140
Solving for the cost of the damson ones
D = B / 3 = 210 / 3 = 70
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An exercise machine with an original price of $890 is on sale at 24% off.
a. What is the discount amount?
b. What is the exercise machines sale price?
Answers
The discount amount is $213.6
The sale price for the exercise machines is $676.4
How to calculate the discount amount ?The first step is to calculate the discount amount
890 × 24/100
= 890 × 0.24
= 213.6
The next step is to calculate the sale price
890(1-0.24)
890(0.76)
676.4
Hence the discount amount is $213.6 and the sale price of the exercise machine is $676.4
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What is the reciprocal of 3 ⅞
Answers
Answer:
[tex]\frac{8}{31}[/tex]
Step-by-step explanation:
the reciprocal of a number n is [tex]\frac{1}{n}[/tex]
given
3 [tex]\frac{7}{8}[/tex] ← express as an improper fraction
= [tex]\frac{31}{8}[/tex] , then
reciprocal = [tex]\frac{1}{\frac{31}{8} }[/tex] = [tex]\frac{8}{31}[/tex]
Answer:
[tex]\displaystyle \frac{8}{31}[/tex]
Step-by-step explanation:
First, we will turn 3 ⅞ into an improper fraction.
[tex]\displaystyle (3*\frac{8}{8} )+(\frac{7}{8} )=\frac{24}{8} +\frac{7}{8} = \frac{31}{8}[/tex]
Next, we will find the reciprocal. This means we flip the numerator and the denominator.
[tex]\displaystyle \frac{31}{8} \rightarrow \frac{8}{31}[/tex]
Find X and Y. Give reasons to justify your answer
Answers
Answer:
x = 8. y = 21
Step-by-step explanation:
x + 8x + 18 = 90
combine like terms
9x + 18 = 90
-18 both sides
9x = 72
divide by 9 both sides
x = 8
______
3y + 27 = 90
-27 both sides
3y = 63
divide by 3 both sides
y = 21
HELP!! Will give brainiest
Answers
Answer:
C ≈ 207.3 ft
Step-by-step explanation:
the circumference (C) of a circle is calculated as
C = 2πr ( where r is the radius ) , then
C = 2π × 33 = 66π ≈ 207.3 ft ( to the nearest tenth )
Answer:
103.67 feet
Step-by-step explanation:
using C = pi d
Find the exact value of tan F in simplest radical form
Answers
The exact value of tan(F) in the simplest radical form for the given triangle is (√29)/8.
We are given a triangle. The vertices of the triangle are F, G, and H. The lengths of the sides of the triangle are given. The lengths of FG, GH, and HF are 8 units, √29 units, and √93 units, respectively. The triangle is a right-angled triangle. The measure of the angle ∠G is 90°. We must find the value of tan(F) in its most basic radical form. A radical expression is one that contains a square root.
Considering the angle ∠F, the base and the perpendicular of the triangle are FG and GH. The trigonometric ratio tan (F) is calculated as follows.
tan(F) = GH/FG
tan(F) = (√29)/8
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an arts academy requires there to be 5 teachers for every 115 students and 6 tutors for every 54 students. how many students the academy have per teacher? per tutor? how many tutors does the academy need if it has 72 students
Answers
The number of students per teacher is 23.
The number of students per tutor is 8.
The number of tutors needed for 72 students is 9.
What is the number of students per teacher and per tutor?In order to determine the number of students per teacher, divide the total number of teachers by the total number of students.
Students per teacher = total number of students / total number of teachers
115 /5 = 23 students per teacher
In order to determine the number of students per tutor, divide the total number of tutors by the total number of students.
Students per tutor = total number of students / total number of tutors
54 / 6 = 9 students per tutor
The number of tutors needed for 72 students = total number of students / students per tutor
72 / 9 = 8 tutors
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