Answer:
she paid for 77 hours
Step-by-step explanation:
First add 14+7 which equals 21 then keep adding 7 which is the total charge each our until you reach 77.
X= (2a+5)² Y= (a-3)²
X+Y??
Answer:
X = (2a + 5)^2 = 4a^2 + 20a + 25
Y = (a-3)^2 = a^2 - 6a + 9
4a^2 + 20a + 25 + a^2 - 6a + 9
X + Y = 5a^2 + 14a + 34
The population of the city is 5040000 and the rate of growth is 2.5℅ per annum. Find the population After one year.
Answer:
5,166,000
Step-by-step explanation:
grown population after 1 year=2.5/100×5040000
which is 126,000
total population after 1year=5040000+126000
which is 5166000
5) What is the result of subtracting (x2 + 3x)from the polynomial (-2x2 + 4x + 5)?
Answer:
- 3x² + x + 5
Step-by-step explanation:
- 2x² + 4x + 5 - (x² + 3x) ← distribute by - 1
= - 2x² + 4x + 5 - x² - 3x ← collect like terms
= - 3x² + x + 5
Hi
Golden rule to know by heart : you can only add or substract element of the same kind.
so X^2 with X^2 , X with X , numbers with numbers...
exemple : 2X^2 +3X^2 = 5X^2
but 5X^2 -3X remains that way as 5X^2 is a " X^2" and " 3X" is a " X" so I can't substract two elements of different kind.
Now you have to translate what is ask of you into a calculus.
so : you have
A ) ( 2x^2+4x +5) - ( x^2+3x)
Math is a sport of the mind. You will only progress and become stronger if you train.
So I let you have a shot. beware of signs rules. If you still have trouble, ask in comment section..
Helllllllllllppppppppp
Out of 65 students, 35 like lays, 24 likes kurkure and 15 is do not like any of them,present the above information in a venn-diagram and find the number of a students who like
both the items.
Step-by-step explanation:
n(U) = 65
n(L) = 35
n(K) = 24
n(LUK) = 15
n(LnK) = x
Since we don't know the intersection (x), we have not also known the real value of Set L and K. Therefore, it is expressed as:
35-x and 24-x
Add the terms together and equate to the universal set :
35-x + x + 24-x + 15 = 65
35 + 24 + 15 + x-x - x = 65
74 - x = 65
- x = 65 - 75
-x = - 9
divide through by -1, you'll get:
x = 9
Therefore, the number of students who like both is 9.
9. Graph the function g(x) = x + 3 by completing the table of values and plotting points. How
does the graph compare to its parent function, f(x) = x? Describe any change for each of the
following
a. domain
У
х
g(x) = x3 + 3
8
-2
b. range
-1
4
0
х
c. x-intercept
o
-2 -1
2
1
2
-41
4
d. y-intercept
Answer:
Evaluate the expression, given functions f and h:
f(x) = 3x − 1,
h(x) = −2x2 + 3x − 2.
f
7
3
− h(−2)
Step-by-step explanation:
Rotate ΔCAR if C(-1,-4), A(2,3), R(-3,-2) 180° about the origin
Answer:
C(1,4) , A(-2,-3), R (3,2)
Step-by-step explanation:
the formula thing for rotating 180° about the origin is (x,y) -> (-x,-y)
this doesn't mean make the number negative, but make it the opposite if that makes sense
e.g. F(2,-4) -> F(-2,4)
4. Your first six-month auto insurance premium was $729.00. Based on your good
driving record, your renewal premium is $648.81. What percent decrease did you see
in your premium? (2 points)
I
Answer: 11%
Step-by-step explanation:
729-648.81=80.10
What percent is 80.10 of 729
%/100 = is/of (this may help you)
X/100 = 80.10/729 (cross multiplication)
(80.19*100)/729 =
11%
What is the GCF of 55,40,80?
Answer:
Take help of GCF of two or more numbers Calculator to calculate Greatest Common Factor of 55, 80, 40 i.e. 5 largest number that divides all numbers equally.
Given that measure angle AEB equals 4x+1 and measure angle CED equals 3x, determine the missing measures.
[tex]\\ \rm{:}\dashrightarrow 4x+1=3x[/tex]
[tex]\\ \rm{:}\dashrightarrow 4x-3x=1[/tex]
[tex]\\ \rm{:}\dashrightarrow x=1[/tex]
Now
[tex]\\ \rm{:}\dashrightarrow 3x=3(1)=3[/tex]
[tex]\\ \rm{:}\dashrightarrow 4x+1=4(1)+1=5[/tex]
Answer:
AEB = -3
CED = -3
Step-by-step explanation:
We can make an equation and solve for x.
4x + 1 = 3x
~Subtract 1 to both sides
4x = 3x - 1
~Subtract 3x to both sides
x = -1
Now we can substitute that value of x into both angles.
4(-1) + 1 = -4 + 1 = -3
3(-1) = -3
Best of Luck!
Find the exact value of cos A in simplest radical form.
Can someone help me for this question...please
Answer:
No value of x
Step-by-step explanation:
SEE the image for solution.
HOPE it helps
Have a great day
Which ordered pair is a solution of the system of equations? y= 3x + 1 y= 5x - 1 A (2,3) © (1,2) B (0, 1) D (1,4)
Answer:
D
Step-by-step explanation:
So first, we have to test the pairs. Let start with equation 1.
7=\=3 x
4=\=2 x
0=0 ✓
4=4 ✓
Now we only have to test B and D.
0=\=-1
4=4 ✓
D is the correct answer.
Which number would divide the numerator and the denominator of the first fraction to yield the second fraction?
A) 5/5
B) 12/12
C) 15/15
D) 4/4
E) 3/3
Answer:
E) 3/3
Step-by-step explanation:
12/15 ÷ X = 4/5
We need to divide the top and bottom by 3/3
12 ÷3 =4
15÷3 = 5
help this is due tonight and i’m really confused
Answer:
it is perpendicular bisector of the given line.
CAN SOMONE PLEASE HELP.
a coin is weighed so the probability of landing head is 0.6. If this coin is flipped teice find the experimatal probabillaty of getting two heads.Anwser as a percent
hi <3
simply multiply the probabilities together:
0.6 x 0.6 = 0.36
multiply by 100 to turn this into a percentage:
0.36 x 100 = 36
thus, your answer is 36%
hope this helps :)
Evaluate 3yz +20 -xy if x =2, y = -3, and z = 4
Answer:
Ans. is -10. Explanation is in the attachment.
Which of theese have a algebrac expression for "some number to the power of 5"
5^x
x^5
5x
x+5
Answer:
it's
x^5
Step-by-step explanation:
because the number is x and the power of 5 is the little number that goes to the top right of x
Pls help me :) I would appreciate it
Step-by-step explanation:
you are just using the number after the ; and switching it for the varible and seeing if the function is true or false (points :p)
PLEASE HELP ME THIS IS DUE TODAY :( YOU WILL GET 20 POINTS
The picture is below :(
Question: If a point C is inside AVB then m AVC +_______= m AVB
m∠AVC+m∠CVB=m∠AVB. Option b is correct.
Given a figure in which point C is inside ∠AVB and ∠AVB=62°.
A geometric figure formed by two lines starting from a common point or two planes starting from a common line is called an angle. The space between these lines or planes is measured in degrees.
Knowing that a point C is between ∠AVB and ∠AVC=39° and ∠CVB=23°, then
From the figure, we can see that C is inside ∠AVB, so ∠AVB is divided into two parts, namely ∠AVC and ∠CVB
m∠AVC+m∠CVB=m∠AVB
Now substitute the values we get
39°+23°=62°
62°=62°
So both sides are equal and it's proven.
Hence, a point C is between ∠AVB and ∠AVB=62° then m∠AVC+m∠CVB=m∠AVB.
Learn more about the angle from here brainly.com/question/11789164
#SPJ1
Please help will give 20 points
Is there a transformation that maps shape I onto shape IV? Explain your answer.
i can identify that it is a reflection over the y axis, the lower right angle is equivalent (?) to the upper right corner of figure IV
rlly hope this helps, im not the best at explaining
Answer:
Yes, there is a transformation that maps shape I onto shape IV. Reflecting shape I across the x-axis maps it onto shape IV.
Step-by-step explanation:
edmentum
A rectangle has an area of 21 square centimeters. Which of the following could be the rectangle's length and width? Area = length x width Choose all answers that apply
The sum of three consecutive integers is 165 what are the integers
Answer:
54, 55, 56
Step-by-step explanation:
The first integer is x
so the second is x + 1
and the third is x + 2
Add all these together:
so (x) + (x+1) + (x+2) = 165
Group:
x + x + x + 1 + 2 = 165
Combine like terms:
3x + 3 = 165
3x = 162
x = 54
So the first integer is 54
The second is x + 1 = 54 + 1 = 55
And the third is x + 2 = 54 + 2 = 56
54 + 55 + 56 = 165
Answer:
54,55,56
Step-by-step explanation:
Let the three consecutive integers be x,x+1,x+2
x+x+1+x+2=165
or, 3x+3=165
or, 3x=165-3
or, 3x=162
or, x=162/3
or, x=54
Now,
x+1=54+1=55
x+2=54+2=56
One week the height of a plant increased from 30 cm to 35 cm.
Work out the percentage increase.
Plant height increased after 1 week: 35 cm - 30 cm = 5cm
Percentage increase: (5 : 30) x 100% = 16.66%
Select the correct answer.
Which statement correctly describes the strongest classification for quadrilateral ABCD with vertices A(-3, 1), B(1, 3), C(2, 1), and D(-2, -1)?
A.
Quadrilateral ABCD is a rectangle because adjacent sides have slopes that are negative reciprocals.
B.
Quadrilateral ABCD is a parallelogram because adjacent sides have slopes that are negative reciprocals.
C.
Quadrilateral ABCD is a rectangle because adjacent sides have slopes that are not negative reciprocals.
D.
Quadrilateral ABCD is a parallelogram because adjacent sides have slopes that are not negative reciprocals.
Answer:
I think C is the correct answer
Answer:
C
Step-by-step explanation:
i need helpppp Blake and josh are both saving money for a new bike, the ratio of blake saving 3:1 if they have saved 400$ how much has each boy saved
Answer:
Blake = $300
Josh = $100
Step-by-step explanation:
3:1
3(00) / 1(00)
300 / 100
Chow,...!
Quick I need help I’ll mark u as brain list
Answer:
4
Step-by-step explanation:
Which of the following graphs represents the equation y-2 = 3(x - 1)?
A. Graph A
B. Graph B
C. Graph C
D. Graph D
Answer:
y+2= 3(x-1)
y=3x-3-2
y=3x-5
The y - intercept is at (0,-5)
The only graph that has the y-intercept at -5 is C
Answer is =C
Hope it is helpfully.Thankyou.Have a nice day.Answer:
GRAPH B!!!
Step-by-step explanation:
hope this helps :)
What is the expanded form of the number 34.576?
3 x 10 + 4 x 1 + 5 x 0.1 + 7 x 0.01 + 6 x 0.001
3 x 10 + 5 x 1 + 4 x 0.1 + 6 x 0.01 + 7 x 0.001
4 x 10 + 3 x 1 + 7 x 0.1 + 5 x 0.01 + 6 x 0.001
5 x 10 + 4 x 1 + 3 x 0.1 + 7 x 0.01 + 6 x 0.001
Answer:
its the first one I think
Find the midpoint between 3pi and pi
Explanation:
We apply the midpoint formula like so
C = (A+B)/2
C = (3pi+pi)/2
C = (4pi)/2
C = 2pi
This means 2pi is exactly halfway between pi and 3pi
This is similar to saying that 2 is halfway between 1 and 3. Think of the "pi" as "1pi", and we're effectively just looking at the coefficients.