what is 2.2r+7=18+7.7r
Answer: r = — 2
Step-by-step explanation:
A park charges $45 to enter and $0.75 per game. Write an algebraic expression to represent the total amount paid by a guest.
Answer:
y = 0.75x + 45
Step-by-step explanation:
x would be the amount of games played and y would be the total money spent.
Answer:
y= 0.75x+45
Step-by-step explanation:
y= total amount paid by guest
x = # of games
0.75 x = $0.75 paid per game
45= minimum charge of 45 to enter park
The measures of five of the interior angles of a hexagon are 150°, 100°, 80°, 165°, and 150°. What is the measure of the sixth interior angle
Answer:
the measure of the sixth interior angle is 75
Step-by-step explanation:
I hope tu is is correct and helpful
Which expression is equal to (3 × 5) × 4?
A) (3 + 5) × 4
B) (3 × 5) + 4
C) 3 × (5 × 4)
D) (3 × 5) + (3 × 4)
Answer:
c
Step-by-step explanation:
did the test :)
Let f(x) = - x ^ 3 - (4x - 1) Find f(- 5)
Answer:
146
Step-by-step explanation:
replace every x with -5
here is the next one. sorry
Answer:
$5.30
Step-by-step explanation:
23.85/9=$2.65
2.65*2=$5.30
Answer:
I don't know if this is right but I got $5.30.
Step-by-step explanation:
I did 23.85/9 to get how much each pane is than I multiplied by 2 to get the cost of the 2 new panes.
23.85/9= 2.65
2.65*2 = 5.3
2/5 × [ -3/7] - 1/6 × 3/2 + 1/14 × 2/5
Step-by-step explanation:
here is the answer watch the picture
Answer:
[tex]\frac{-11}{28}[/tex]
Step-by-step explanation
2/5 × (-3/7) - 1/6 × 3/2 + 1/14 × 2/5
= -6/35 - 1/4 + 1/35
= -11/28
NO WEBSITES/ fake links or your getting reported! Help me with ALL the problems!
Answer:
5 divided by 8 is 0.625
1 divided by 2 is 0.5
3 divided by 5 is 0.6
7 divided by 4 is 1.75
4 divided by 6 is 0.666666666 or 0.6 with the underline if u print this paper out or 0.666
Step-by-step explanation:
u will have to do the model part but i hope i helped
This is the other question that I need help with :) Thanks!
Step-by-step explanation:
In the figure,
height of triangle = 10m
base of triangle/Diameter of circle = 14m
radius = 7m
Area of triangle = 1/2 × b × h
= 1/2 × 14 × 10
= 7 × 10
= 70m²
Area of semi-circle = 1/2 × pi × r²
= 1/2 × 3.14 × 7²
= 76.93m²
Area of the figure = 70 + 76.93 = 146.93m²
Which expression gives the length of QR in the triangle shown below?
R
17
25
A. 172 + 252
B. V17 + 25
C. 17 + 25
D. 1172 +257
FAST (will give brainilyist)
solve for A
Answer:
a = 4[tex]\sqrt{5}[/tex]
Step-by-step explanation:
pythagorean theorem:
a² + 8² = 12²
a² + 64 = 144
a² = 80
a = [tex]\sqrt{80}[/tex]
a = [tex]\sqrt{4}[/tex]·[tex]\sqrt{4}[/tex]·[tex]\sqrt{5}[/tex] which simplifies to be 4[tex]\sqrt{5}[/tex]
You place a ladder against the top of a 18-foot building. The bottom of the ladder is 8.5 feet from the bottom of the building. How long is the ladder? Show your work for full credit.
Answer: 26.5 feet
Step-by-step explanation:
According to the weather
forecast, the probability
that it will rain on
Wednesday is 0.85. What
is the probability that it
will not rain?
Answer:
0.15
Step-by-step explanation:
1.00 - 0.85 = 0.15
Answer: .15
Step-by-step explanation: The reason being is if .85 is equal to 85 % then there is only 15 % left so the answer is .15
Don’t answer if you don’t know, plz. Thanks.
Emily has $100 extra to spend on supplies for her T-shirt-making business.
She wants to buy ink, i, which costs $5 a bottle, and new brushes, b, which are
$12 each. Which inequality below represents this scenario?
A. 12i + 5b < 100
B. 5i + 12b < 100
C. 5i + 12b > 100
D. 5i + 100 < 12b
Answer:
B. 5i + 12b < 100
Step-by-step explanation:
I used process of elimination on to figure this one out.
I first eliminated A because I knew the i should be next to the 5. I know this because i (ink) costs 5 dollars each.
I next eliminated D because this equation is looking to find the sum of the ink and the new brushes, not the ink plus the total cost equaling the brushes.
Finally, I eliminated C because Emily only has $100, so the cost of the ink (i) and the brushes (b) must NOT excede 100 dollars. From this, I can see that C states that the sum exceeds Emily’s $100 budget
This leaves us with B as the final answer
Hope this helps! Have a lovely rest of your day!
Help me please I don't understand
Answer:
Q1: E N W G Y U
Q2: R D S Q
Q3: X
Q4: B M F P L
1. N 3. L 5. Q 7. W
2. G 4. B 6. E 8. Y
9. S: (-5,+5) 11. D: (-4,+2) 13. M: (+1,-5) 15 X: (-7,-8)
10. R: (-1,+3) 12. U: (+1,+1) 14. P: (+8,-4) 16. F: (+7,-6)
I can't add the points on the graph tho sorry:(
which of the following can be used to prove that ABC = ADC
The student who traveled to states visited new states during a vacation. Does increasing the to change the median? If so, how?
Step-by-step explanation:
The exact question is as follows :
Given - The student who traveled to 3 states visited 6 new states during a vacation.
To find - Does increasing the 3 to 6 change the median? If so, how?
Proof -
Yes,
If we increase the 3 states to 6 states, it changes the median
Because
The median of the first 3 states is the middle state.
For example -
If we have 3 states X, Y, Z
Then the median is the state Y
Now,
The median of 6 states is the average of the 2 middle states.
For example -
If we have 6 states
X, Y, Z, U, V, W
Then
The median is not explicit.
Median is the average of the two middle states, Z and U.
And
Average of Z and U = half of the sum of Z and U.
i.e. (Z + U)/2.
And we can see that,
Median of 3 States is not equal to Median of 6 states
i.e. Y is not equal to (Z + U)/2.
So,
We can say that,
Increasing the state 3 to 6 changes the median.
Leo flips a paper cup 50 times and records how the cup landed each time. The table below shows the results. Based on the results, how many times can he expect the cup to land on its side if it is flipped 1,000 times?
Answer:440
Step-by-step explanation:
In ΔXYZ, ∠X=59° and ∠Y=21°. ∠XWZ=90° and XY=6.1. Find the length of XW to the nearest 10th.
Answer:
this is question is wrong it you typed it wrong
how come the triangle named XYZ and the angle wxz and if there 2 triangles one must be a failure because there is no triangle which all his angels equals more than 180°
look again and if possible take a picture of the question
PLEASE HELP. Will give 70 points!!! Demonstrate In A Brief Paragraph How The Search To Explain Planetary Orbits Exemplifies The Scientific Method and the use of models.
People firstly believe that the planets move in a circular orbit until Newton came up with his hypothesis by inventing calculus so that we could understood and calculated planetary orbits and their accuracy.
Explanation:
Everyone assumed the planets were perfect circles until Newton came up with an idea. Slowly people would make maps of the orbits that added circles on circles, and they could never really explain about the movement of the planet. They simply say that planets move on circles but they lacked the math to explain or prove it. Then Newton came up with an idea of inventing calculus so that we could understood and calculated planetary orbits and their accuracy.
Firstly people used their observations and say that the orbits looked like circles, then they developed their models and did the math, and proposed their hypothesizes which were wrong, until Newton came along and tried to match a model that used elliptical orbits and invented the math that allowed him to make predictions with it. His model worked for most planets.
However he could not explain about the planet Mercury for instance since it was a very strange orbit. Then after the Einstein's theory of General Relativity he could also explain very deeply about it.
Scientists and Astronomers made hypothesizes that there was another planet orbiting too close to the sun to see with telescopes, called Vulcan, that explained mercury's orbit before Einstein's theory. Then long after we had telescopes which was good enough to see if there was a planet orbiting closer to the sun than mercury.
Use the image below to answer the next 3 questions. Each question will have 3
parts. For m=and b=, you just write the number. For the Equation part, you need
to write y= and then fill in the slope and y intercept.
Practice : Finding Slope-intercept Form
I. Determine the slope and y-intercept for each line shown. Then write the equation of the line
1. y.
2.7. -
3.y.
ME
b
12
Your answer
Answer:
you didnt attach an image
Step-by-step explanation:
A triangle has side length measurements of 7 ft., 2 ft., and 5
feet. Can this form a triangle? Explain why or why not.
Answer:
No
Step-by-step explanation:
The Triangle Inequality Theorem states that the sum of any 2 sides of a triangle must be greater than the measure of the third side.
2 + 5 is only equal to 7
not greater than 7
The relationship between the number of years (x) that have passed and the population (y) for a small town is shown in the table.
Population Count Per Year
2 3 4
Number of Years (x)
1
5
6
7
8
Population (y)
1,440 1,728 2,074 2,488 2,986 3,583 4,300 5,160
A regression equation for this data is y = 1, 200(1.2).
Answer:
D. 10,699
Step-by-step explanation:
The given data for the Population Count Per Year is presented as follows;
Number of Years (x); 1, 2, 3, 4, 5, 6, 7, 8
[tex]\begin{array}{ccccccccc}Number \ of \ Years \ (x)&1&2&3&4&5&6&7&8\\Population \ (y)&1,440&1,728&2,074&2,488&2,986&3,583&4,300&5,160\end{array}[/tex]The data regression equation is y = 1,200·(1.2)ˣ
Based on the regression equation for the data, the predicted value of the town's population after 12 years is given by substituting x = 12 as follows;
After 12 years, y = 1,200 × (1.2)¹² ≈ 10,699.32
Therefore, the option which is the best prediction is 10,699.
Determine the surface area of a rectangular prism with the following dimensions:
Length = 5 cm, Width = 1 cm, Height = 8
a.
212 sq. cm
c.
120 sq.cm
b.
106 sq.cm
d.
290 sq. cm
Answer:
b. 106 sq.cm
Step-by-step explanation:
A=L×W
A1= 2(5×8) = 2(40) = 80
A2= 2(1×8) = 2(8) = 16
A3= 2(5×1) = 2(5) = 10
Total area = 80 + 16 +10 = 106 sq. cm
SOMONE PLEASE HELO ME SCHOOL ENDS NEXT WEEK
Answer:
sorry dont know 4 or 5 8. 9 but
6. 4 %
7. 60%
Step-by-step explanation:
create an expression that when combined equals 5x+2y
(must be at least 3 terms)
7. Write an equation and solve for b.
PLEASE HELP
Answer:
b = 9.
Step-by-step explanation:
7b - 5 = 58
7b = 58 + 5
7b = 63
b = 9.
Jillian's puppy weighed 16 pounds at the age of 2 months. It weighed 60 pounds at the age of 8 months. What is the percent change in the puppy's weight?
Answer:the percent change in the puppy's weight= 275%
Step-by-step explanation:
Jillian's puppy Weight at 2 months =16 pounds
Jillian's puppy Weight at 8 months =60 pounds
percent change in the puppy's weight= change in weight / Old weight x 100
(60 pounds -16pounds ) / 16 x 100
44/16 x 100 = 275%
10 pts!
1. An island is considering adding another character to their vehicle license plates in order to increase the
number of license plates available. Currently, a license plate must have exactly four-character spaces. Each
character space may be filled with any capital letter other than I, B, Z, or O or any number between, and
including 0 to 9. Letters and numbers may repeat on the plates.
(a) How many different license plate numbers are available under the current structure of exactly four
characters per plate?
Please show all steps and work! Thank you!
Step-by-step explanation:
so 26 minus 4 is 22 for letters so 22 times 22 times 22 times 22 and thats for letters and for numbers its 10 x 10 x 10 x 10 i dont really umderstand the question but you can have 244256 possible license plates there