Consider the graph of the equation y = 5. Which statements are true? Check all that apply.
The graph of y = 5 is a vertical line.
The graph of y = 5 is a horizontal line.
The graph of y = 5 is neither a vertical line nor a horizontal line.
The point (5, 3) lies on the line.
The point (–4, 5) lies on the line.
Answers
Step-by-step explanation:
y=5 means that for any point (x,y) we will have a y coordinate of 5 for any x, such that x is a real number
So this means we will have a horizontal line.
Above is the picture of the graph
As you can see (-4,5) lies on above
Related Questions
Which of the shapes described below have an area of 24
square feet?
Answers
Answer:
B, C, and D
Step-by-step explanation:
Hey there!
In order to find if the area of these shapes are 24, we need to first find the area
A. Triangle: Base of 8 feet, Height of 3 feet
Formula for area of triangle: Base x height x 1/2
8 x 3 x 1/2 --> 24 x 1/2 --> 12
Not an answer
B. Rectangle: Width of 4 feet, Length of 6 feet
Formula for area of rectangle: Length x width
4 x 6 --> 24
It is an answer
C. Parallelogram: Base of 12 feet, Height of 2 feet
Formula for area of Parallelogram: Base x height
12 x 2 --> 24
It is an answer
D. Triangle: Base of 6 feet, height of 8 feet
Formula for area of triangle: Base x height x 1/2
6 x 8 x 1/2 --> 48 x 1/2 --> 24
It is an answer
In conclusion, the statements that make this rule true are:
B, C, and D
As Program Director of a Radio Station, you receive a report from an independent service that shows that out of 100 songs played, the same song was played 7 times. Using the Empirical Approach, calculate the probability that song will be played next.
Answers
Using an Empirical approach and the probability concept, it is found that there is a 7% probability that song will be played next.
What is a probability?A probability is given by the number of desired outcomes divided by the number of total outcomes. Using an Empirical approach, these number of outcomes are taken from previous trials.
In this problem, considering the previous 100 songs, the same song was played 7 times, hence:
p = 7/100 = 0.07.
There is a 7% probability that song will be played next.
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Explain why the equation cos(x) = x has at least 1 solution
Answers
There exists a point c ∈ [0, 2π], therefore, f(c) =0, Hence cos x = x has at least one solution.
What is an equation?An equation is a combination of different variables, in which two mathematical expressions are equal to each other.
The given equation is,
cos(x) = x (1)
For the given interval [0, 2π],
By intermediate theorem, for c ∈ [0, 2π], for which f(c) =0
Or we can say that, at x = 0, f(0) = 0
Therefore, cos(x) has at least one solution, in the interval [0, 2π]
So, given equation cos(x) = x has one solution.
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When a 3-D figure cut to create a cross-section parallel to the base which direction is the perpendicular vertical or horizontal 
Answers
Answer:
When a 3D figure is cut to create a cross-section parallel to the base, the direction of the perpendicular is vertical. This means that the cross-section will be perpendicular to the base and will have a vertical orientation.
Please help by tomorrow
Answers
The equation shows that the number of toys that must be bought for them to have equal profit will be 212 toys.
How to calculate the value?From the information, it should be noted that the equation that can be used to represent the information about Jaclyn company will be:
= 2125 + (49.99 × x)
= 2125 + 49.99x
The equation that can be used to represent the information about Richie company will be:
= (39.95 × x)
= 39.95x
Therefore, we will equate both equations:
2125 + 49.99x = 39.95x
49.99x - 39.95x =2125
10.04x = 2125
x = 212
Therefore, the number of toys that must be bought for them to have equal profit will be 212 toys.
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suppose that a volcano is erupting and readings of the rate r(t) at which solid materials are spewed into the atmosphere are given in the table. the time t is measured in seconds and the units for r(t) are measured in tonnes (metric tons) per second. note that r(t) is increasing over the interval [0, 6]. t 0 1 2 3 4 5 6 r(t) 2 10 18 32 44 54 60 (a) give upper and lower estimates (in tons) for the total quantity q(6) of erupted materials after six seconds. (use six equal subintervals.)
Answers
The upper and the lower estimates (in tons) for the total quantity q(6) of erupted materials after six seconds is 224 and 166 metric tons respectively.
The volcano is erupting and readings of the rate r(t) at which solid materials are spewed into the atmosphere are given in the table
Assuming that r(t) is increasing for all t in [0,6], a lower estimate is obtained by using left endpoints and an upper estimate is achieved by using right endpoints.
Lower estimate: r(0)(1)+r(1)(1)+r(2)(1)+r(3)(1)+r(4)(1)+r(5)(1)
= 2+12+20+36+44+52 = 166 metric tons
Upper estimate: r(1)(1)+r(2)(1)+r(3)(1)+r(4)(1)+r(5)(1)+r(6)(1)
= 12+20+36+44+52+60 = 224 metric tons
Midpoint estimate: r(1)(2)+r(3)(2)+r(5)(2)
= 24+72+104 = 200 metric tons
Therefore, the upper and the lower estimates (in tons) for the total quantity q(6) of erupted materials after six seconds is 224 and 166 metric tons respectively.
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Can I please get some help I’ve been stuck on this question for a while!
Answers
Using the radius of the Ferris wheel and the angle between the two positions, the time spent on the ride when they're 28 meters above the ground is 12 minutes
How many minutes of the ride are spent higher than 28 meters above the ground?The radius of the Ferris wheel is 30 / 2 = 15 meters.
The highest point on the Ferris wheel is 15 + 4 = 19 meters above the ground.
The time spent higher than 28 meters is the time spent between the 12 o'clock and 8 o'clock positions.
The angle between these two positions is 180 degrees.
The time spent at each position is 10 minutes / 360 degrees * 180 degrees = 6 minutes.
Therefore, the total time spent higher than 28 meters is 6 minutes * 2 = 12 minutes.
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1. A cube of sugar is 2 cm wide. Calculate the num- ber of cubes in a box 720 cm².2. Calculate the amount of air in a room 6 m long, 5 m wide and 3 m high.3. The area of one side of a cuboid is 360 cm². What is the length, if the width is 1.5 cm? 4What is the volume of a container if it contains 12 boxes each 2.5 cm by 3 cm by 4.5 cm?5. A tank contains 4 500/ of water. Find the depth of the tank if its base area is 300 m².
Answers
- Volume of one cube = (2 cm)³ = 8 cm³
- Area of one cube = (2 cm)² = 4 cm²
- Number of cubes in a box 720 cm² = 720 cm² / 4 cm² = 180 cubes
For the amount of air in a room:
- Volume of the room = (6 m) x (5 m) x (3 m) = 90 m³
For the length of the cuboid:
- Length of the cuboid = 360 cm² / (1.5 cm) = 240 cm
For the volume of the container:
- Volume of one box = (2.5 cm) x (3 cm) x (4.5 cm) = 33.75 cm³
- Volume of 12 boxes = 12 x 33.75 cm³ = 405 cm³
For the depth of the tank:
- Volume of water in the tank = 4,500/100 x 300 m² = 13,500 m³
- Depth of the tank = 13,500 m³ / (300 m²) = 45 m.
A mirror is placed 30 feet from the base of a waterfall by a hiker. The hiker walks backwards until they are 7.5 feet from the mirror. Determine how tall the waterfall is if the hiker is 6 feet tall.
37.5 ft
36 ft
35 ft
24 ft
Answers
Answer:
Step-by-step explanation:
proportional application
We have that.
6/7.5 = x/30
solve for x
x =6/7.5 * 30
x = 24 ft
The solution is 24 feet
The waterfall is 24 feet tall.
What is Proportion?Proportions are defined as the concept where two or more ratios are set to be equal to each other.
Suppose we have two ratio p : q and r : s.
If both these ratios are proportional, then we can write it as p: q : : r : s.
This is same as p : q = r : s or p/q = r/s
Given that,
A mirror is placed 30 feet from the base of a waterfall by a hiker.
The hiker walks backwards until they are 7.5 feet from the mirror.
Hiker is 6 feet tall.
We can say that the ratios of the height of the waterfall with the distance from waterfall to the mirror and the height of the hiker to the distance of hiker to the mirror are equal.
Let x be the height of the waterfall.
Using the proportional concept,
x / 30 = 6 / 7.5
7.5x = 180
x = 24 feet
Hence the waterfall is 24 feet high.
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During the landing of mars science laboratory curiosity, it was reported that the signal from the rover would take 14 minutes to reach Earth. Radio signals travel at the speed of light, about 186,000 miles per hour. How far was Mars from Earth when Curiosity landed
Answers
Answer:
156,240,000 miles
Step-by-step explanation:
The speed of light is about 186,000 mi/s. The distance is then ...
(14 min)(60 s/min)(186,000 mi/s) = 156,240,000 mi
Mars was about 156 million miles from Earth.
Josh pays 7.59$ for 2.2 pounds of ground Turkey. what is the price per pound of turkey
Answers
Answer:
$3.45 per pound of turkey.
Step-by-step explanation:
$7.59 for 2.2[0] pounds of turkey
x = 1 pound of turkey.
Divide 7.59 ÷ 2.20
$3.45 is your answer.
You could also use a ratio table, but with lots of trial and error!
Hope this helps :)
Answer:
the ans is 3.45$... good luck
A train travels 2,000 miles in 40 hours ,going the same distance each hour .how many miles does the train travel each hour
Answers
Answer:
50
Step-by-step explanation:
2000/40=50
Answer:
The train travels 50 miles per hour
Step-by-step explanation:
You can solve this by dividing 2,000 by 40.
Help ASAP!!! Very confused
Answers
Take 155-39 as 155 is the whole diagram angle, but 39 is the MKL angle. So, you subtract 39 and that gives you JKM.
Answer:
Angle JKM = ANGLE JKL - MKL
= 155 - 39
= 116
Kim had 2 1/3 pounds of candy. Eric eats 2/5 of Kims candy. How much candy did Eric eat?
Answers
The quantity of candy that Eric ate would be = 14/15
How to calculate the quantity of candy eaten by Eric?The quantity of Candy Kim had = 2⅓ pounds.
The quantity of Kims candy that Eric ate = 2/5
That is 2/5 of 2⅓.
The actual quantity of candy that Eric ate = 2/5× 7/3 = 14/15
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a company was offering a special on cell phones for $3 each but only if you spent 5 dollars a month for 2 months how much would it end up costing you total if u bought 1 phone ?
Answers
Answer:
10 dollars
Step-by-step explanation:
5 + 5
Linda earns 10 dollars each hour working part-time at a bookstore. She earns one additional dollar for each book that she sells. Let A be the amount (in dollars) that Linda earns in an hour if she sells B books. Write an equation relating A to B . Then graph your equation using the axes below. I get this right all up until the graphing. Can someone help me graph the equation properly? I have tried a question like this 2 times and we only have 3 attempts. It keeps switching on the test. My last attempt is next...
Answers
I’m thinking the graph should look like this since it starts at (0,10) and $1 for each book which is the x. I apologize if it’s wrong
Determine all minors and cofactors of the matrix A given below (5)
2 −1 1 3
0 1 1 3
2 1 1 0
2 0 −1 −2
Answers
A minor of a matrix A is the determinant of some smaller square matrix, cut down from A by removing one or more of its rows and columns.
E.g the minor for a_11 is the matrix
1 1 3
1 1 0
0 -1 -2
The cofactor of an element is the minor but a factor, with that factor being (-1)^(i+j) where i and j are the row and column of the element
what is the answer???
Answers
Answer:
360 seconds
Step-by-step explanation:
ALL YOU HAVE TO DO IS MULTIPLY 1/2 AND 12, WHICH GETS YOU 6! now in seconds just multiply 6 times 60 to get 360!
Answer:
6 minutes
Step-by-step explanation:
We multiply the amount of problems by the time per problem to get the equation (1/2)(12)=x where x is the time she takes to complete 12 questions. (1/2)*(12) = 6.
Explain your answer !!
Have a nice day
Will give braisnlt
Answers
Answer:
x = 4 and y = 1
Step-by-step explanation:
The given equations are :
2x+5y = 13 ...(1)
3x-2y = 10 ...(2)
We can use elimination method to solve the given equations.
Multiply equation (1) by 3 and equation (2) by 2.
6x+15y=39 ...(3)
6x-4y=20 ...(4)
Subtract equation (3) from (4).
6x-4y-(6x+15y) = 20-39
6x-4y-6x-15y = -19
-19y=-19
y = 1
Put the value of y in equation (1).
2x+5y = 13
2x+5=13
2x=8
x = 4
So, the solution of the given equations are x = 4 and y = 1.
Words
a. Divide the difference
between 1,200 and 700 by 5
Answers
Answer:
100
Step-by-step explanation:
1,200 - 700 = 500
500/5 = 100
Btw, uan got to, but I would really appreciate it if u marked me brainliest cuz I need one more nd I tried
Which expression below can be obtained from 4sin4t by using a power reducing formula?
Select the correct answer below:
1+2cos(4t)
32−2cos(2t)+12cos(4t)
32+2cos(2t)+12cos(4t)
3−2cos(2t)+2cos(4t)
Answers
Step-by-step explanation:
4×sin(4t) = 4×sin(2t + 2t) =
= 4×(sin(2t)cos(2t) + cos(2t)sin(2t)) =
= 4×2×sin(2t)cos(2t) = 8×sin(2t)cos(2t)
but that did not lead anywhere near to any of the answer options.
so, i guess, you made typos in the description and in the answer options.
did you mean maybe
4×sin⁴(t) ?
sin⁴(t) = (3 - 4×cos(2t) + cos(4t))/8
4×sin⁴(t) = 4×(3 - 4×cos(2t) + cos(4t))/8 =
= (3 - 4×cos(2t) + cos(4t))/2 =
= 3/2 - 2×cos(2t) + 1/2 × cos(4t)
is that the real answer option 2 ?
then that is the correct answer.
Sammy wants to spend no more than $35 at the arcade. If he is playing games at the arcade that each cost $0.75, which inequality can be used to find g, the number of games that Sammy can play and stay within his goal
Answers
Answer:
0.75 g ≤ 35
Step-by-step explanation:
if each games costs $0.75, then the answer of g will be given by 35/0.75.
he can go up to exactly $35 but not over
so, the inequality is given by 0.75 g ≤ 35
12x - 3у = -3
6x + y = 1
Use elimination
Pls hurry I need it now
Answers
The solution of the system of equations is (0, 1).
How to solve the system of equations?Here we want to solve the system of equations:
12x - 3y = -3
6x + y = 1
To use the elimination method, we can take the difference between the first equation and two times the second one, then we will get:
12x - 3y - 2*(6x + y) = -3 - 2*1
12x - 3y - 12x - 2y = -5
-5y = -5
y = -5/-5 = 1
Now we know the value of y, we can replace it in one of the equations ot find the value of x.
6x + y = 1
6x + 1 = 1
6x = 1 - 1 = 0
x = 0
The solution is (0, 1)
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angel found out that sales tax in san antonio texas is 8.25% and sales tax in Toronto Ontario is 13%. If he brought a 600 dollar phone in Toronto instead of san antonio, how much more would he play in sales tax.
Answers
If Angel bought a $600 phone in Toronto instead of San Antonio, he pays $28.50 more sales tax, based on the subtraction operation.
What is the subtraction operation?Subtraction operation is one of the four basic mathematical operations, including addition, multiplication, and division.
Subtraction operation involves the subtrahend, the minuend, and the difference.
Sales tax rate in San Antonio Texas = 8.25%
Sales tax rate in Toronto Ontario = 13%
The cost of a phone bought by Angel = $600
The sales tax in dollars in San Antonio Texas = $49.50 ($600 x 8.25%)
The sales tax in dollars in Toronto Ontario = $78.00 ($600 x 13%)
The difference in tax between Toronto and San Antonio = $28.50 ($78.00 - $49.50).
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PLEASE HURRY DUE TODAY WILL MARK BRAINLESTIS RIGHT
what is √29 Place a dot on the number line at the BEST approximation
Answers
Answer:
5.4
Step-by-step explanation:
square of 29 = 5.385164807
5.385164807 estimated is 5.4
N
50°
AOMN~ ARPQ
Find 0.
M
Ө
0 = [?]°
<
P
70°
R
![N50AOMN~ ARPQFind 0.M0 = [?]<P70R](https://i5t5.c14.e2-1.dev/h-images-qa/contents/attachments/veKTlRrJcwtcPEhjGPeUEj7WPgDpy10G.png)
Answers
Answer:
60°
Step-by-step explanation:
In similar triangles, the corresponding angles are congruent.
∠O = R
O = 70°
In ΔOMN,
∠O + ∠M + ∠N = 180 {Angle sum property of triangle}
70 + 50 + Ф = 180
120 + Ф = 180
Subtract 120 from both sides,
Ф = 180 - 120
Ф = 60°
Evaluate the function f(x) = 7x - 8 at the given values of the independent variable and simplify.
a. f(7)
b. f(x + 5)
c. f(-x)
Answers
Answer:
Step-by-step explanation:
Given the function :
f(x) = 7x - 8
Evaluate the given values of the independent variable and simplify.
a. f(7)
b. f(x + 5)
c. f(-x)
A.) f(7)
f(7) = 7(7) - 8
= 49 - 8
= 41
B.) f(x + 5)
7(x + 5) - 8
7x + 35 - 8
7x - 27
C.) f(-x)
7(-x) - 8
-7x - 8
solve x and y for 5x−y=44−3=−3x−y=−12
Answers
The values of the variables are;
x = 7
y = -9
How to solve for the variablesFrom the information given, we have that;
5x−y=44
−3x−y=−12
Using the elimination method of solving simultaneous equations
Subtract equation (2) from equation (1), we get;
5x - y - (-3x - y) = 44 - (-12)
Now, expand the bracket
5x - y+ 3x + y = 56
collect the like terms
5x + 3x = 56
add the terms
8x = 56
Make 'x' the subject of formula
x= 7
Now, substitute the value of x in equation (2)
-3x - y = -12
-3(7) - y = -12
expand the bracket
-21 - y= - 12
collect like terms
-y = 9
y = -9
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Suppose a sample of 879 new car buyers is drawn. Of those sampled, 288 preferred foreign over domestic cars. Using the data construct a 95% confidence interval for the population proportion of new car buyers who prefer for foreign cars over domestic cars. Round your answers to three decimal places
Answers
To find the confidence interval for a proportion, we use the following formula:
\(Confidence\text{ }interval=p\pm z\cdot\sqrt{\frac{p(p-1)}{n}}\)Where:
p is the sample proportion
z the chosen z-value
n sample size
Since we want to make a confidence interval of 95%, we need to use z = 1.96. The sample size is n = 879.
We can use cross multiplication to find p, which is the percentage of the total sample size that preferred foreign cars:
\(\begin{gathered} \frac{879}{288}=\frac{100\%}{x} \\ . \\ x=100\%\cdot\frac{288}{879} \\ . \\ x=32.765\% \end{gathered}\)p is the proportion in decimal, we need to divide by 100:
\(p=\frac{32.765}{100}=0.32765\)Now, we can use the formula:
\(Confidence\text{ }interval=0.32765\pm1.96\sqrt{\frac{0.32765(1-0.32765)}{879}}=0.32765\pm0.031028\)\(\begin{gathered} Lower\text{ }endpoint=0.32765-0.031028=0.296616 \\ Upper\text{ }endpoint=0.32765+0.031028=0.35867 \end{gathered}\)Thus, the answer is:
Lower endpoint: 0.297
Upper endpoint: 0.359
2/3 - 3/5, simplifiy
Answers
Answer:
1/15
Step-by-step explanation:
decimal 0.06
if correct plz mark as brainliest
thank you
19NBoli
Answer:
that would half to equal 0.066
Step-by-step explanation: