Answer:
2a²+3a-2
Step-by-step explanation:
(3a-2a²-1)-(-2a²-2a²+1)
3a-2a²-1+2a²+2a²-1
2a²+3a-2
Answer:
if you are simplifying the answer is -2a^2 + 3a-1
Step-by-step explanation:
Which expression is equivalent to 7(-7v - 7) - v?
-49V - 50
-50v - 49
-8V - 49
-50v - 7
Answer:
-50v - 49
Step-by-step explanation:
Just distribute you can even use a calculator
Help me solve this pls
Natalie's meal at Heartland Noodles cost $16.14$ 16.14, not including tip. If Natalie wants to leave a 11%11% tip, how much should she pay? Round to the nearest cent.
Answer:
Step-by-step explanation:
huh
what is this
does country matter with like the currency
at Kayla swimwear 6 out of 20 style at the store are bikinis what percentage of swimsuit styles at the store are bikinis
Answer:
is wrong，6/20,3/10
Step-by-step explanation:
1. Oceanside Bike Rental Shop charges $16 plus $6 an hour for renting a bike. Melanie paid $70 to rent a bike. How many hours did she pay to have the bike checked out? Select the correct equation to represent this situation.
A) 16x+6x=70
B) 16+ 6x=70
C) 16x+6=70
2. Jason bought 9 new baseball trading cards to add to his collection. The next day his dog ate half of his collection. There are now only 42 cards left. How many cards did Jason start with? Select the correct equation to represent this situation.
A) 1/2(x+9)=42
B) 9x+1/2=42
C) 1/2x+9=42
3. Jason sold half of his comic books and then bought 6 more. He now has 17. How many did he begin with? Select the correct equation to represent this situation.
A) 1/2(x+6)=17
B) 1/2x+6=17
C) 1/2x+6x=17
4. Dan spent half of his allowance going to the movies. He washed the family car and earned $9. What is his weekly allowance if he ended with $15? Select the correct equation to represent this situation.
A) 1/2x+9=15
B) 1/2(x+9)=15
C) 9-1/2x=15
Answer:
1 = C
2 = B
3 = B
4= C
Step-by-step explanation:
Im not 100% sure but.. i tried
Answer:sike i lied i must provide
Step-by-step explanation: its ez just do it
2x plus 3 plus x2; for x = 4
Answer:
2x+3+x2 if x=4 is 27
Step-by-step explanation:
2*x or 2*4=8
8+3=11;
and x or 4 times itself is 16
so we add it all together and get 27.
Have a great day!
Answer:
27
Step-by-step explanation:
Not sure if you mean x to the power of 2, so I'll assume that.
Replacing the variable for 4 should look like:
2(4) + 3 + 4^2
8 + 3 + 16 (4 to the power of 2 is equivalent to 4 x 4 which is 16)
Now add them all, 27.
what is the answer to: Mila bought 26 pounds of sausage for $65.what was the cost per pound of sausage?
Answer:
$2.50
Step-by-step explanation:
divide $65.00 by 26 pounds
Answer: $2.50 per pound
Step-by-step explanation: $65/26 pound = $2.5 per ponund
Bruce bought 5/8 ounces of peppers and 2/3 ounces of onions. How many more ounces of onions did he buy compared to peppers?
Answer:
The price of one pound of bell peppers is $0.6.
Step-by-step explanation:
This problem is equivalent to the following:
"if 10 oranges cost $20, how much does 1 orange cost? "and the answer to that question is:
price of 1 orange = $20/ 10 oranges = $2 per orange.
Put simply, we divided the total price by the total number of items, and we shall do the same thing for the case of bell peppers:
price of 1 pound = $1.25/ 2.5 pounds = $0.5/ pound.
The price for 1 pound of bell peppers is $0.5.
Aria’s father is laying tile in their new kitchen. The length of one side of the room is 17 feet. Each of the tiles has a length of 1 3/10 feet. What is the length of the two tiles placed together?
Answer:
48ft
Step-by-step explanation:
48ft
Identify the rate of change of the function.
67Answer:67
Step-by-step explanation:
What are the terms to this polynomial: 4x2 + 9x - 1/2
Answer:
Decimal Form:
1.5
Mixed Number Form:
1 1/2
Step-by-step explanation:
Answer these please. :0
Answer:
I wrote the answers below
Step-by-step explanation:
x+3<70------>0,60
-5x<2--------->3,5
5x<2---------->-3,-1
-3x>18-------->-10,-20
Ms. KC ate 1/2 of 3/4 of a sicilian pie. Did Ms. KC eat more or less than 3/4 of
the pie? Explain.
A rabbit weighs about 3
3/16
ounces at birth. What is the weight of the rabbit in decimal form?
Answer:
3.8175
Step-by-step explanation:
Answer:
3.1875
Step-by-step explanation:
3 3/16
3 x 16 = 48
48 + 3 = 51
51/16
51 divided by 16 is 3.1875
6. Which of the following is equivalent to (17m + 3) + (3m - 1)?
A. 14m + 2
B. 14m + 4
C. 20m + 2
D. 20m +4
Answer:
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
C
2g + 4 > 14
Inequality
Answer:
g>5
Step-by-step explanation:
2g+4>14
Subtract 4 on both sides
2g>10
Divide 2 on both sides
g>5
I hope this is correct and have a nice day
Find the value of k please
Which expression is equivalent to 9/8
The price of a pair of earrings is $22 but Priya buys them on sale for $13.20.
By how much was the price discounted?
Answer:
40%
Step-by-step explanation:
Discount price = 22 - 13.20 = $8.80
Discount percentage = [tex]\frac{8.80}{22}*100\\[/tex]
= 40%
6X + 8Y - 4Z = 5
1X + 2Y + 5Z = 9
9X - 3Y + 3Z = 6
Por favor cómo se resuelve esta matriz por método Gauss-Jordan
Responder:
la solución (x, y, z) es (4.48, 4.86, -1.04)
Explicación paso a paso:
Dadas las ecuaciones simultáneas;
6X + 8Y - 4Z = 5 .... 1
1X + 2Y + 5Z = 9 ... 2
9X - 3Y + 3Z = 6 .... 3
Primero necesitamos reducir el sistema de ecuaciones
Ecuación 1 * 1
Ecuación 2 * 4
__________
6X + 8Y - 4Z = 5
4X + 8Y + 20Z = 36
Restar
6x-4x - 4z-20z = 5-36
2x-24z = 31 ... 4
también
ecuación 2 * 3
ecuación 3 * 2
_______________
1X + 2Y + 5Z = 9 * 3
9X - 3Y + 3Z = 6 * 2
_______________
3x + 6y + 15z = 27
18x - 6 años + 6z = 12
Agregar
3x + 18x + 15z + 6z = 27 + 12
21x + 21z = 39 ...... 5
Resolviendo 4 y 5
2x-24z = 31 ... 4 * 21
21x + 21z = 39 ...... 5 * 2
____________
42x - 504z = 651
42x + 42z = 78
Sustraer
-504x - 42z = 651-78
-546z = 573
z = -573/546
z = -1.05
Sustituye z = -1.05 en 4
De 4;
2x-21z = 31
2x - 21 (-1,05) = 31
2x + 22,04 = 31
2x = 31-22.04
2x = 8,96
x = 8,96 / 2
x = 4,48
Obtener y
De 2:
X + 2Y + 5Z = 9
4.48 + 2y + 5 (-1.04) = 9
2 años + 4,48-5,2 = 9
2y = 9 + 0,72
2 años = 9,72
y = 9,72 / 2
y = 4,86
Por tanto, la solución (x, y, z) es (4.48, 4.86, -1.04)
Sofia is a helper for the kindergarten class and is in charge of picking a video for their end-of-year party. To choose which type of movie they would like best, she decided to survey every other child entering a matinee for a cartoon called, “Three Pretty Princesses.” The total number of children surveyed was 40. What is wrong with the way she selected her sample? Check all that apply. ill give brainliest to whoever answers
Answer:
She decided to survey each other child instead of every child
Step-by-step explanation:
Sorry if im wrong
Answer:
so if you have a multie chose it would be A D E
Step-by-step explanation:
1. JP Construction is building a rectangular children's wading pool for the local community center. The pool will be 4.5 meters wide. To meet city building code guidelines, the area of the pool must not be larger than 8 square meters. Which inequality represents the possible lengths of the wading pool, where x represents the length of the wading pool in meters?
Answer:
[tex]x\leq 1.78[/tex]
Step-by-step explanation:
We are given that
Width of pool, b=4.5 m
We have to find the inequality which represents the possible lengths of the wading pool.
Let x be the length of wading pool
We know that
Area of rectangle=[tex]length\times breadth[/tex]
According to question
Using the formula
[tex]4.5x\leq 8[/tex]
Divide by 4.5 on both sides we get
[tex]x\leq\frac{8}{4.5}[/tex]
[tex]x\leq 1.78[/tex]
-37 ≥ n - 20
What could n be??
Answer:
-78
Step-by-step explanation:
-78 - 20 = -98 which is less than -37,
im sorry this answer might be wrong i tried my best
Simplify: 16 - [11 - {8+ (17 +3x2 - 19)}]
The given expression
= 16 - [11 - {8+ (17 + 3 x 2 - 19)}]
= 16 - [11 - {8+ (17 + 6-19)
= 16 - [11 - {8+ 4)] = 16 -- [11 -2]
= 16 - 9 = 7.
What it means
Answer:
c
Step-by-step explanation:
edmentum
Find the slope of the line through each pair of points.
(3,-10), (14,-10)
Answer:
[tex]\displaystyle m=0[/tex]
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightAlgebra I
Coordinates (x, y)Slope Formula: [tex]\displaystyle m=\frac{y_2-y_1}{x_2-x_1}[/tex]Step-by-step explanation:
Step 1: Define
Point (3, -10)
Point (14, -10)
Step 2: Find slope m
Simply plug in the 2 coordinates into the slope formula to find slope m
Substitute in points [Slope Formula]: [tex]\displaystyle m=\frac{-10+10}{14-3}[/tex][Fraction] Add/Subtract: [tex]\displaystyle m=\frac{0}{11}[/tex][Fraction] Divide: [tex]\displaystyle m=0[/tex]Help with number one!! Explain how you did it please!! Thank you.
Answer:
x=2, x=-3
Step-by-step explanation:
What is 3(2x +7x - 5 )
Answer:
x = 15/27
Step-by-step explanation:
3(2x + 7x - 5)
Distribute the 3
6x + 21x - 15
Combine like terms
27x - 15 = 0
27x = 15
x = 15/27
Answer:
27x - 15 is your expression
Step-by-step explanation:
3 x 2x = 6x and 3 x 7x = 21x so 21x + 6x = 27x and 3 x 5 = 15 so 27x - 15 is your expression
Pls help I need the answer fast
Answer:
2 2/9
hope it's helpful ❤❤❤
THANK YOU.❤
Someone please help me ASAP
Given:
The number of alligators in a wildlife is given by the function
[tex]f(x)=3450(1.04)^{x+1}[/tex]
To find:
The average growth rate of change from the 4th year to the 7th year.
Solution:
We have,
[tex]f(x)=3450(1.04)^{x+1}[/tex]
For x=4, we get
[tex]f(4)=3450(1.04)^{4+1}[/tex]
[tex]f(4)=3450(1.04)^{5}[/tex]
[tex]f(4)=4197.4525[/tex]
For x=7, we get
[tex]f(7)=3450(1.04)^{7+1}[/tex]
[tex]f(7)=3450(1.04)^{8}[/tex]
[tex]f(7)=4721.5632[/tex]
Now, the average growth rate of change from the 4th year to the 7th year is
[tex]m=\dfrac{f(7)-f(4)}{7-4}[/tex]
[tex]m=\dfrac{4721.5632-4197.4525}{3}[/tex]
[tex]m=\dfrac{524.1107}{3}[/tex]
[tex]m\approx 174.70[/tex]
Therefore, the average growth rate of the change from the 4th year to the 7th year is 174.70 per year.
How Students Spend Their Time
EATING
8%
HOMEWORK
8%
WATCHING TV
13%
SOCIALIZING
13%
SLEEPING
33%
SCHOOL
25%
HOW STUDENTS SPEND THEIR TIME
[tex]14y {. \times \frac{?}{?} }^{2} [/tex]
15% eating, 25% homework, 2% tv, 0% socializing, 35% sleeping, 50% school for me