Answer: It will take 15 weeks for Cyndi and her sister to have the same amount of money.
Step-by-step explanation:
Given: Cyndi has $55. Her sister has $115.
Cyndi saves $10 per week. Her sister saves $6 per week.
Let x= Number of weeks.
Total amount of money Cyndi has = 55+10x (i)
Total amount of money sister has = 115+6x (ii)
From (i) and (ii) , we get
[tex]55+10x=115+6x\\\\\Rightarrow\ 10x-6x=115-55\\\\\Rightarrow\ 4x=60\\\\\Rightarrow\ x=\dfrac{60}{4}\\\\\Rightarrow\ x=15[/tex]
Hence, it will take 15 weeks for Cyndi and her sister to have the same amount of money.
Is the relation a function?
Answer:
No it is not because of the 3 it is repeating and it is not a function
Step-by-step explanation:
Find the slope of (-1,4) and (5, 7)
Answer:
[tex]m=\frac{1}{2}[/tex]
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDASAlgebra I
Slope Formula: [tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]Step-by-step explanation:
Step 1: Define
Point (-1, 4)
Point (5, 7)
Step 2: Find slope m
Substitute: [tex]m=\frac{7-4}{5+1}[/tex]Subtract/Add: [tex]m=\frac{3}{6}[/tex]Simplify: [tex]m=\frac{1}{2}[/tex]Which pair shows equivalent expressions?
A. 2x + 10 = -2(x - 5)
B. -2(x + 5) = 2x -10
C. -2x - 10 = -2(x + 5)
D. -2(x - 5) = -2x - 10
Answer:
It's C
Step-by-step explanation:
When you multiply - 2 to what you have in the brackets you get - 2x - 10
Hope this helps, have a wonderful day
please I need some help with both questions.
Step-by-step explanation:
which questions you were asking
I need help with my homework this is hard pls help thx!
z=m-x solve for x
Answer:
x = m - z
Step-by-step explanation:
z = m - x add x to both sides
z + x = m - x + x
z + x = m subtract z from both sides
z - z + x = m - z
x = m - z
Answer:
-z + m = x
Step-by-step explanation:
z = m-x
subtract the m from both sides
z-m = -x
you can't have a negative x so multiply everything by -1
-1(z-m = -x)
-z + m = x
Choose a system and make a case for why you would
or would not choose to solve that system by substitution
Answer:
The method of solving "by substitution" works by solving one of the equations (you choose which one) for one of the variables (you choose which one), and then plugging this back into the other equation, "substituting" for the chosen variable and solving for the other.
Step-by-step explanation:
Plsss help I’ll give u brainlest and 10 points
[tex]\frac{1}{2} w -5\ \textless \ -2[/tex]
The schools says they will take the students to see the movie with more than 30% of the votes. Which type of movie will the 7th graders be seeing? Explain your reasoning.
7th grade movie votes:
drama-3
comedy-8
action-4
Work:
Fraction Drama:
Fraction Comedy:
Fraction Action:
Convert to Percent:
can someone please help me with this thank you. Factor completely 64x2 – 49. (1 point) 0 (7x – 8)(7x + 8) O (7x – 8)(7x – 8) O (8x – 7)(8x - 7) O (8x - 7)(8x + 7)
Answer:
(8x-7)(8x+7)
Step-by-step explanation:
64x²-49
(8x)²-7²
(8x+7)(8x-7) (using a²-b²=(a+b)(a-b)
Or
(8x-7)(8+7)
Find the measure of the indicated angle:
A) 68°
C) 45°
B) 47°
D) 940
WHOEVER KNOWS HOW TO DO THIS ( in the picture above ) AND COULD GIVE ME ALL THE ANSWERS, ILL VENMO YOU $55 DOLLARS !!
FOR ALGEBRA
JUST DM ME ON INSTA :
VANESSACAMTON
Answer:
The answer would be -6x - 4 + -4. hope this is accurate!
Step-by-step explanation:
If my current slope is 7 what is the perpendicular slope?
A- -7
B-7
C- -1/7
D- 1/7
Answer
-7
Step-by-step explanation:
opposite of 7
9. Which graph can be used to find the solution to the system of equations?
y = x-1
9y = 6x – 15
Josh made $242 for 11 hours of work.
At the same rate, how much would he make for 7 hours of work?
Answer:
If 11hrs= $242
7hrs=7x242/100
154
Josh will made $154
Step-by-step explanation:
What is the fifth term in the sequence 17.3, 34.3, 51.3, 68.3...?
A 77.7
B 85
C 85.3
D 89.7
The fifth term in the sequence would be C.
Althea traveled 280 miles at a speed of 70 miles/hour. How much time did she take to cover this distance?
Help me pls ASAP thank you
Kevin spends $11.25 on lunch every week during the school year. If there are 35.5 weeks during the school year, how much does Kevin spend on lunch over the entire school year?
Answer:
399.37
Step-by-step explanation:
multiply the amount each week by the amount of weeks to get the answer :)
Write an explicit rule for the following sequence: 5, 9, 13, 17, 21.
Your answer:
A. a = 4
a = an-1 + 5
B. a = 5
a = an-1 + 4
C. an = 5n + 1
C. an = 4n + 1
HELP PLEASEEEE<3!!!!
Answer:
a = b = 40°
Step-by-step explanation:
∠ a and 140° are adjacent and are supplementary , thus
a = 180° - 140° = 40°
a and b are alternate angles and are congruent, thus
b = a = 40°
Answer:
b=40 okkkkllllllkkkkkkkkkkkkkkkkkkkkkllllllkkkk
A student records the sexes and breeds of a dog in animal shelter. Which kind of data is the student recording
Answer:
sexes and breeds duh
Step-by-step explanation:
Answer:
data of the dogs
Step-by-step explanation:
PLZ help me with this :(
Part 1: Simplify √250
Part 2: Classify the number above as rational or irrational
Level 3 (Proficient: 85%)
Part 1: Simplify √150x*5
Part 2: Is the follow expression rational or irrational and why? 2√4+7
Level 4 (Distinguished: 100%)
Part 1: Simplify 13√750x*5 y*8
Part 2: Create two unique expressions each involving 1 square root and at least 1 operation (adding, subtracting, multiplying, dividing). Make 1 results in a rational number and the other result in an irrational number. Explain your reasoning for both.
Explanation:
Level 2
Part 1: √250 would be simplified to 5√10, because you need to find two factors that equal 250. 25 multiplied by 10 are two factors that you can utilize. Because 25 is a perfect square, it could be reduced to 5. Because 10 isn't a perfect square, you leave it as a radical.
Part 2: √250 is an irrational number because it's a non-terminating decimal and you cannot convert it into a fraction, so it wouldn't be rational.
Level 3
Part 1: √150x^5 would be simplified to 5x^2√6x. Again, find two factors that equal the product, 150. 25 multiplied by 6 are two factors that are useable. Just like the first question, 25 is a perfect square, so it can be reduced to 5. 6 is not a perfect square, so you would leave as a radical. Now, moving onto x^5. You can factor out x^4, because it's a perfect square. x^4 can become x^2. Move x^2 next to 5 and x would be left in the radical with 6.
Part 2: It's rational because 2√4 is simply just 2 x 2 because √4 is a perfect square. 4+7=11. 11 can be converted into a fraction, so it wouldn't be irrational.
Level 4
Part 1: 13√750x*5 y*8 would be simplified to 65x^2y^4√30x. Find two factors that equal 750, which are 25 and 30. You know the drill, 25 is reduced to 5 and 30 stays as a radical. Multiply 13 and 5 to get 65. Factor out x^4 out of x^5 to get x^2. x^8 is a perfect square that can be reduced to x^4.
Part 2: Two unique expressions are 4√16+3 and 5√8 x 34. √16 is a perfect square, so it can become 4. 4 x 4 is 16 and 16 + 3 = 19. 19 is a rational number. 5√8 is irrational, so right off the bat, you'll know it's an irrational expression.
FREE 9 = Tucson
...
..
Answer:
Tuscon. btw DIE MAX!
Step-by-step explanation:
Answer:yo the rule is
R% x P x T
which in this question is:
r%= 9%
p= 630
t=8
so
630 x 8 x 9% = 453.6
that's the final answer and in order to make sure make
630+453.6=1083.6
Step-by-step explanation:
*BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST**
Determine whether or not each expression below is a perfect square. Explain why the expression is or is not a perfect square. If it is not a perfect square, find the perfect square that seems “closest” to the given expression and show how the perfect square can be adjusted to be the given expression.
1. A(x)=x^2+6x+13
2. A(x)=2x^2+8x+14
Step-by-step explanation:
These aren't a perfect square bec. 1 st and 3rd terms must be perfect square
A(X) = X^2+6X +13 be perfect square if 13 Changed to 9
= X ^2+6X +9
A(x)= 2X^2+8X +14 be perfect square
= 4X ^2+ 8X + 16
Use the equation below to find y, if m=3 ,x=4 , and b=9
y=mx +b
Answer:
y = 21
Step-by-step explanation:
y = 3(4) + 9
= 12 + 9
= 21
A circle has a circumferende of 13.04
units
What solution are you trying to find here with the circumference? Radius, diameter? I need more details so I can help you out. Thanks!
Amy said 49 of her teammates got hits during a recent softball game. Which decimal represents this same amount?
A.
0.49
B.
0.444
C.
0.444
D.
0.49
5x-3 /4=2x+3
Pls help
Answer:
x=-5
Step-by-step explanation:
5x-3/4=2x+3
First, multiply by 4
5x-3=4(2x+3)
Next, distribute.
5x-3=8x+12
Subtract 5x
-3=3x+12
Subtract 12
-15=3x
x=-5
Hope this helps :D
Subtract -7x^2+4x+2 from x^2-3x
Answer:
-8x^2+x+2
Step-by-step explanation:
