A graphing calculator is recommended.
Use the graphical method to find all solutions of the system of equations, rounded to two decimal places.
y=e^x+e^-x
y=5-x^2
Dont bother answering if you won't show how you got it
Answers
The solution to the system of equations is (-1.189, 3.587) and (1.189, 3.587)
How to solve the system of equations?The system of equations is given as
y=e^x+e^-x
y=5-x^2
See attachment for the graph of both equations
From the attached graph, the curve intersect at
(-1.189, 3.587) and (1.189, 3.587)
Hence, the solution to the system of equations is (-1.189, 3.587) and (1.189, 3.587)
Read more about system of equations at:
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Related Questions
-[52-[36-58(24x82) x36] +(-42)]=
Answers
Answer:
- [52 - [36 - 58 (24 x 82) x 36] + (-42)] = −4109158
What is the domain of this function?
Answers
Answer:
c
Step-by-step explanation:
its c because I just cacuulated it
Zahn takes a summer job selling ice cream bars at the pool. He receives a fixed salary and then additionally a commission for each ice cream bar he sells. The table shows Max's total earnings, y, in dollars, from selling x ice cream bars:
Ice Cream Sales and Earnings
Number of Bars Sold (x)
Total Earnings (dollars) (y)
0
30
1
34
2
38
3
42
Select the equation that best represents the relationship between x and y. (5 points)
a
y = x + 34
b
y = 4x + 30
c
y = 4x + 42
d
y = x + 42
Answers
Answer: B
If you look at the table, you notice that he earns 30 without selling ice cream bars. This is his fixed salary.
When he sells one ice cream bar, he earns 34, which means he gets 4 dollars for each bar he sells.
The equation that best represents the relationship between x and y is b) y = 4x + 30, because 4 dollars × number of ice cream bars + fixed salary equals his total earnings.
Moira swims 3/6 hour before school 5 days a week and 5/6 hour after school 4 days a week. For how long does she swim each week?
Answers
9514 1404 393
Answer:
5 5/6 hours
Step-by-step explanation:
We can add the times, but it is more convenient to use multiplication.
5(3/6) + 4(5/6) = (15/6) +(20/6) = 35/6 = 5 5/6
Moira swims 5 5/6 hours each week.
Given the sequence {2,-1,-4,-7} find a25
Answers
Answer:
-70
Step-by-step explanation:
This is an arithmetic progression with a difference of -3
Formula for AP is
Sn = a + (n - 1) d
Where
a is the first term, 2
n is the term we're looking for, 25
d is the arithmetic difference, -3
a25 = 2 + (25 - 1) -3
a25 = 2 + (24) -3
a25 = 2 - 72
a25 = -70
A whale can stay underwater 7 times as long as x minutes more than a platypus can. Write an equation that states the relationship of the minutes these two mammals can stay underwater
Answers
Answer:
Step-by-step explanation:
Using the information provided we can create the following two equations each of which calculates the total number of minutes that the whale (w) or the platypus (p) can stay underwater. In order to solve each, you would need the value of at least 1 of the mammals.
w = 7 * (p+x)
p = (w / 7) - x
The w in these equations represents the number of minutes the whale can stay underwater while the p represents the number of minutes that the platypus can stay underwater.
Question 9 (5 points)
(05.05 LC)
A bus company charges a fixed amount plus a fee based on the distance traveled. The cost chart for the company is shown:
Cost Chart
Distance traveled (miles) (x) Cost (dollars) (y)
0
4
1
9
2
14
What is the fixed amount charged? (5 points)
$4
Oь
$5
$10
512
Answers
Answer:
The Answer is $4 or option (A)
Step-by-step explanation:
I took the test :)
What is the measure of ZZWY is rhombus WXYZ? *
Answers
Answer:
51.5
Step-by-step explanation:
add it up
A taxi driver chargers $2.80 for an initial fee and $1.20 for each mile. Write and solve an equation to find out how many miles a passenger can travel for $20.
Answers
Answer:
14 miles
Step-by-step explanation:
2.80+1.20x=20
-2.80 -2.80
1.20x=17.20
1.20x/1.20= 17.20/1.20
x=14 miles
Hope this helps!
Indicate the answer choice that best completes the statement or answers the question.
Use the diagram of a section of the art museum shown to solve.
Find the actual dimensions of the Baroque Art room.
a.
45 ft by 35 ft
b.
35 ft by 25 ft
c.
ft by 25 ft
d.
ft by 35 ft
Answers
41 1/4 by 25 ft
Hope it helped!!!
What is the formula for finding the circumference for a circle with just the radius?
Answers
Answer: The formula is C=2 π r
Step-by-step explanation: Hope this helps
Write an equation of the line that passes through (4,2) and is perpendicular to the line y=−13x+1.
Equation: y=
Answers
Answer:
y=x-2
Step-by-step explanation:
This slope goes through the point and is perpendicular to y=-13x+1
Hope this helped
What is the recursive formula for the following sequence? 3,9,27,81
Answers
Answer:
243
Step-by-step explanation:
multiply each number by 3
how do I find the measurements for the missing angles?
Answers
Answer:
I DONT KNOW IM VERY SORRY CAN JUST PLEASE GIVE ME 5 STARS I WOULD APPRECIATE IT VERY MUCH...
Step-by-step explanation:
A rectangle measures 2 1/3 inches by 1 2/3 inches. What is its area?
Answers
Answer:
35/9 inches
Step-by-step explanation:
you can put this in a mixed fraction, its still correct:
3 8/9
The area of the rectangle is 35/9 square inches.
What is a rectangle?A rectangle is a 2-D shape with length and width.
The length and width are different.
If the length and width are not different then it is a square.
The area of a rectangle is given as:
Area = Length x width
We have,
To find the area of a rectangle,
We multiply the length by the width.
Length = 2 1/3 = 7/3 inches
Width = 1 2/3 = 5/3 inches
Area = Length x Width
Area = (7/3) x (5/3)
Area = 35/9 square inches
Therefore,
The area of the rectangle is 35/9 square inches.
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Which set of characteristics produces one unique triangle?
A.Two angle measures of 50° and one angle measure of 80°
B.One angle measure of 10°, one angle measure of 70°, and one angle measure of 100°
C.One side length of 12 centimeters, one side length of 5 centimeters, and one side length of 6 centimeters
D.One side length of 7 centimeters, one side length of 10 centimeters, and one side length of 9 centimeters
Answers
Answer:
D) 7, 10, 9
Step-by-step explanation:
C will not make a triangle at all
A & B aren't unique because at least one side was not specified
what is the domain for y=7^x
Answers
Answer:
The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined. The range is the set of all valid y values. Use the graph to find the range.
Step-by-step explanation:
Explanation: y=7 is a straight line with zero slope and y-intercept 7 as shown below. Hence its domain (all allowed x-values) is all real numbers, and its range (all allowed y-values) is only 7.
I hope this helped~ <3
-Dream
Answer:
There are no real numbers
The Hiking Club is taking another trip. The hike leader's watch shows that they gained
296 feet in altitude from their starting position. Their altitude is now 285 feet, but there is
no record of their starting altitude,
Which equation represents this situation?
A: x + 285 = 296
B: x - 296 = -285
C: x + 296 = 285
D: x- 285 = - 296
Anyone available I been trying to get the answer for this assignment :(
Answers
Answer:
c
Step-by-step explanation:
they started at x added 296 and now are at 285
Answer:
-987
Step-by-step explanation:
A 2 lb bag of sunflower seeds cost $1.29. Find the unit price. If needed
round the unit price to the nearest cent.
Answers
Answer:
0.65
Step-by-step explanation:
1.29/2=0.645
0.645 rounded is 0.65
0.65 is the unit rate and the cost per bag of sunflower seeds.
Hope this helps! :)
A basketball game has four quarters. The length of a game is 32 minutes. You play the entire game except 4 1/2 minutes. Write and solve an equation to find the mean time you play per quarter.
Answers
Answer:
3x-45+100=?
Step-by-step explanation:
Answer:
46
Step-by-step explanation:
Mr. Scott is planning a party for 78 people. Each table seats 8 people. He divides to find the number of tables he needs to seat everyone
9r6
878
-72
6
Answers
25 points. Find the following length. Pls help
Answers
Answer:
gc=5x,CF=8x
Step-by-step explanation:
because I had this question too
IMPORTANT!! in a unit circle, what is the relationship between arc length and central angle?
Answers
Answer:
The measure of an arc refers to the arc length divided by the radius of the circle. The arc measure equals the corresponding central angle measure, in radians. That's why radians are natural: a central angle of one radian will span an arc exactly one radius long.
I need only help on 11-14 please someone help me
Answers
Linear function definition: a function that will create a straight line when graphed.
11 is not a linear function (not a straight line), but 12 is.
For the tables, you can either plot out the graph or just look at the number patterns. A linear function's numbers will always increase/decrease accordingly at a constant rate. For example, in 14, you notice that as x increases by 1, y decreases by 2. This means it is a linear graph.
In 13, as x increases by 1, the output y increases but at a different rate each time. It increased by 3 at first, then 5, then 7. Hence, it is not a linear function. What is it then? It is an exponential function.
what is the length of side n?
Answers
Answer:
6
Step-by-step explanation:
What is the equation of the line that passes through (-3, -1) and has a slope of 3/5 ? Put your answer in slope-intercept form.
y = 3/5x + 4/5
y = -3/5 x - 4/5
y = 3/5x - 4/5
Answers
I hoped this helped
first plug the slope and the given point into point-slope from: (y-y1) = m (x-x1)
m=slope= 3/5
point=(x1,y1) = (-3,-1)
(y+1) = 3/5 (x+3)
solve for y to get slope-intercept form
y+1 = 3/5x + 9/5
y = 3/5x + 4/5
It costs $0.50 to download an individual song and $4 to download an album. Jada has $15 to spend downloading music.
Complete the table showing three ways Jada can spend $15 downloading individual songs and albums.
What belongs in cell A?
Answers
Answer:
1 album
Step-by-step explanation:
it would take along time to explain but i did the work i promise
Alex is y years old. Bella is 4 years older than him .Carla is double Alex's age. The sum total of their age is 32
Form and solve an equation to work out the ages of the three children
Answers
Answer:
Alex is 7, Bella is 11, and Carla is 14
Step-by-step explanation:
Equation is 32=y+2y+(y+4)
To solve:
First combine like terms (the y's)
32=4y+4
Subtract 4 from both sides
28=4y
Divide both sides by 4 to get y alone
7 =y (Alex's age)
Bella is 4 years older than Alex so 7+4 = 11
Carla is 2 times older than Alex so 2 • 7 = 14
Their ages are supposed to add up to 32.
7+11+14
18+14
32
A circle of radius 3.5cm falls entirely within another of
radius 7cm. Find the area
of space between them.with it's working
Answers
Answer:
The area of the space is( 0.1155 m^2)
Who can do my i-Ready math is only 1 lesson I’m level E pls