Answer:
3a² + 3b² - 20ab
Step-by-step explanation:
Sum of 12ab-10b²-18a² and 9ab+12b²+14a²
12ab - 10b² - 18a² + 9ab + 12b² + 14a²
= 14a² - 18a² + 12b² - 10b² + 12ab + 9ab
= -4a² + 2b² + 21ab
Sum of ab + 2b² and 3b²- a²
= ab + 2b² + 3b²- a²
= -a² + 2b² + 3b² + ab
= -a² + 5b² + ab
Subtract
-a² + 5b² + ab - (-4a² + 2b² + 21ab
)
= -a² + 5b² + ab + 4a² - 2b² - 21ab
= 3a² + 3b² - 20ab
can you please help me!
Answer:
113.04
Step-by-step explanation:
All you have to do is substitute the r in the equation.
And of course pi is equal to 3.14
V = 4/3(3.14)3^3
That gives you a volume of around 113.04
A new bank customers with 3,000 wants to open a money market account. The bank is offering a simple interest rate of 1.1% a. How much interest will the customer earn in 20 years? b. What will be the account balance after 20 years?
Answer:
$660
Step-by-step explanation:
which of the x values are solutions both of the following inequality 30> x and x > 15
Answer:
B and C
Step-by-step explanation:
its the answer trust me
Answer:
22 and 29
Step-by-step explanation:
22 is less than 30 but greater then 15
29 is less than 30 but greater than 15
Choose the model that represents the same function as the graph of f(x)
Answer:
x × 1/2 - 3
Step-by-step explanation:
in slope intercept form an equation is written in y=mx+b where m is the slope and b is the y intercept
from the graph you can see the line goes up 1 and right 2, up 1 right 2, etc. that means the slope is positive 1/2
the line cross the y access at -3, therefore the y intercept is -3
so
[tex]y = \frac{1}{2} x - 3[/tex]
responda a expressão 5x+6y+x+2:
[tex]\tt{}5x + 6y + x + 2[/tex]
[tex]\tt{}6x + 6y + 2[/tex]
[tex]\tt{}2(3x + 3y + 1)[/tex]
1. James has 43 game coins. James has 7 more than 4 times as many game
coins as Steven. If x represents the number of game coins Steven has,
which equation can be used to determine the possible number of game
coins Steven has?
A 7x + 4 = 43
1
B 4x - 7 = 43
a 7 + 4 = 43x
D 4x + 7 = 43
2:15 PM
3/1/2021
Plz help me it due in like ten minutes
Please help me I want to get a perfect score
Answer:
the first and third one
Step-by-step explanation:
have a great day
show your work please and thank you best anwser gets brainly
Answer:
a9
Step-by-step explanation:
5+4= 9 and its the same variable.
143=n-27. PLZ HELP DUE TOMORROW
Answer:
n=170
Step-by-step explanation:
add 27 to 143
then the equation is n=170
What is the polar form of 7 StartRoot 3 EndRoot minus 7 i?
In polar form the expression is ( 14 , 30 )
How the rectangular form is converted to Polar form ?To convert the expression x +iy to polar form ( r , [tex]\rm \theta[/tex] ) , the standard equations used are
r = [tex]\rm \sqrt {x^2 + y^2}[/tex]
tan [tex]\rm \theta[/tex] = y/x
The given expression is
7 √3 - 7i
x = 7 √3
y = -7
r = [tex]\rm \sqrt {(7\sqrt{3})^2 +(-7)^2}[/tex]
r = √196
r = 14
tan [tex]\rm \theta[/tex] = (-7)/(7√3)
[tex]\rm \theta[/tex] = 30 degree
Therefore in polar form the expression is ( 14 , 30 ).
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Answer:The polar form of 7 StartRoot 3 EndRoot minus 7 i is 14(cos(330o) + i sin(330o))
Step-by-step explanation:
HELPPP I WILL MARK BRAINLIEST
Answer:
D
Step-by-step explanation:
Answer:
D m-2
Step-by-step explanation:
Because you can see that input is m and the answer is the output
35-2=33
36-2=34
hope this helps!
pls brainliest
Ramon and his brother go to an amusement park. They each go on the Ferris wheel that costs $6 per ticket and a roller coaster that costs $9 per ticket. Ramon pays for all the tickets. How much does Ramon pay altogether?
Answer:
6+6=12
9+9=18
12+18=30
30 dollars
Answer:
$30
Step-by-step explanation:
6+6=12
9+9=18
18+12=30
I would assume this was the right answer if not i would need more information to go with the question
What is the rectangle area triangle area
Answer:
1,200 area of rectangle
20 x 40 divided by 2 = 400
both added will be: 1,600
10/2
20/2
50/2
100/2
Answer:
10/2 =5
20/2=10
50/2=25
100/2=50
What is the approximate volume of a sphere with a diameter of 20 feet? Use 3.14 for it.
Answer:
4,188.79 and when its rounded its 4,188.8
Step-by-step explanation:
Volume of a sphere with a diameter of 20 feet is 4189.33 cubic feet.
What is Three dimensional shape?Three dimensional shape can be defined as a solid figure or an object or shape that has three dimensions—length, width, and height.
Given,
sphere with a diameter of 20 feet
Diameter is two times of radius
Diameter=2Radius
Radius =Diameter/2
Radius = 20/2=10 feet.
Volume of sphere=4/3πr³
π=3.142
Volume of sphere=4/3(3.142)(10)³
=4/3×3.142×1000
=4189.33 cubic feet.
Hence, volume of a sphere with a diameter of 20 feet is 4189.33 cubic feet.
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Please help! Really easy math, need it asap!!! It's in the picture
Answer:
answers are: (-1,-2), (1,2), (-1,5), (1,-5). in other words, option 2, 6, 7, and 8.
Step-by-step explanation:
hope it helps
Alexa surveyed 7 students and found 2 like scary movies.based on this information how many students would like scary movies out of 35 students
केविन अपनी छुट्टी के लिए स्नोबोर्डिंग जाना चाहता था। बताएं कि वह बॉक्स प्लॉट्स से बर्फबारी के आंकड़ों के आधार पर रिज़ॉर्ट ए या रिज़ॉर्ट बी में जाने के बारे में अपना निर्णय कैसे ले सकता है।
Answer: I ate my dogs bone
Step-by-step explanation:
Please help! With explanation! EASY FOR MOST
9514 1404 393
Answer:
(x, y, z) = (124, 112, 42)
Step-by-step explanation:
Opposite angles in an inscribed quadrilateral are supplementary, so ...
y° = 180° -68° = 112°
The angle marked 71° subtends an arc twice that measure, so ...
2(71°) = 100° +z°
z° = 142° -100° = 42°
The angle marked y° subtends an arc twice that measure, so ...
2y° = 100° +x°
x° = 2(112°) -100° = 124°
Factor.
22 - 10z+16
Show your work
Answer:
2(19-5z)
Step-by-step explanation:
Factor out 2
Consider 11-5z+8. Multiply and combine like terms.
Rewrite the complete factored expression.
PLEASEE HELPP
3. Evaluate the following equation for x. 2 X = -20 5
Answer:
x=50
Step-by-step explanation:
Answer:
2x°=-205
x=-205/2=-102.5
Andy is buying a car.
He negotiated a 7% decrease on a £6 500 car.
He will pay the full balance in 12 equal monthly payments.
Calculate the amount paid each month.
Answer:
£503.75
Step-by-step explanation:
Andy is buying a car.
Step 1
We calculate the decrease
He negotiated a 7% decrease on a £6 500 car.
Decrease = 7% × £6500
= $455
Step 2
We calculate the new price of the car.
= Old price - Decrease
= £6500 - £455
= £6045
Step 3
We calculate the amount he pays every month.
We are told that:
He will pay the full balance in 12 equal monthly payments.
Andy's monthly payments =
New price/12 months
= £6045/12
= £503.75
Therefore, the amount he would be paying each new month = £503.75
WILL GIVE BRILLIANTIEST Select the better deal in the pair. Then give the unit rate for the better deal.
$90 $222
or
3g 69
The (select) y deal is better. The unit rate of the better deal is $
Vg.
Answer:
The first deal is better, unit rate is 30
Step-by-step explanation:
90/3 is 30, 222/6 is 37. 90 is the better deal
Convert 1 4/16 into a percent.
Answer:
it is 25 percent
Step-by-step explanation:
Answer:
the answer is 1.25 un decimal
True or false
hey is for horses
Answer:
false.
hay is for horses, not hey
Step-by-step explanation:
Which set of ordered pairs does not represent a function? {(-3, -3),(-6, -7), (6,-3), (–9, 2)} {(8,–8), (-9,5), (9,-2), (-2,-8)} {(-7, -3), (-6, -1), (-6,8), (6, -6)} {(6,2), (-8,1), (-7,1),(5,-2)}
Step-by-step explanation:
{(-3, -3),(-6, -7), (6,-3), (–9, 2)} {(8,–8), (-9,5), (9,-2), (-2,-8)}
{(-7, -3), (-6, -1), (-6,8), (6, -6)}
What is the perimeter of the composite figure?
A. 119.5 cm
B. 85 cm
C. 107.5 cm
D. 97 cm
The blue dot is at what value on the number line?
The blue dot is at what value on the number line? PLEASE HELP!
Answer:
-3
Step-by-step explanation:
Answer:
I think it is 0
Step-by-step explanation:
the 9 goes down by 3 so maybe each point goes down 3
Your school's FFA chapter is selling candy bars to raise money. A regular sized chocolate bar (x) sell for $2 and King sized chocolate bar (y) sell for $3. They want to make more than $35.
They can sell at most 15 candy bars
Select all points that are solutions to this system of inequalities
A) (2,12)
B) (10,5)
C) (6,8)
D) (14,2)
E) (8,4)
F) (12,12)
G) (4,10
Write and Solve 2 Step Equations. Show all your work
15.) In a week, Tara earns $15 less than three
times what Carrie earns. Tara earns $105.
How much does Carrie earn?
Answer:
Carries earns [tex]40[/tex] dollars
Step-by-step explanation:
Given -
Tara earns $15 less than three times what Carrie earns.
Total earning of Tara [tex]= 105[/tex] dollars
Let "X" be the earning of Carrie
[tex]3X - 15 = 105\\3X = 120\\X = 40[/tex]
Carries earns [tex]40[/tex] dollars