Step-by-step explanation:
Gradient = Coefficient of x = -1.
2x-1/3x+1=6x-1/9x-3
(50 Points)
Which equation combines with the given equation to form a system of equations with the solution x = 3 and y = 9?
x + 2y = 21
Answer:
It's option C.
Step-by-step explanation:
It's right on edmentum. Also just use substitution. Not that hard.
Traci spent $1.19 on a pack of gum and $0.95 on lip balm.
Part A
What was the total amount Traci spent? Use the model to help you.
This image shows 3 hundredths grid next to each other. The first grid is entirely shaded in blue, second grid has 0.19 nineteen hundredths shaded in blue and remaining 0.81 eighty one hundredths shaded in yellow and third grid has 0.14 fourteen hundredths shaded in yellow and remaining are empty.
Enter your answer in the box.
$
00:00
Part B
Select words from the drop-down menus to explain how the model helps find the sum.
The number of full grids shaded is the number of . The number of small squares shaded in the grid is the number of .
She spent a total of $2.14.
Answer:
A: she spent a total of $2.14
and im sorry beb but i cant really help on part b but i tried for part a
BUT GOOD LUCK AND HAVE A WONDERFUL DAY
-Ary
PLS HELP I WILL MARK BRAINLIEST!!!!!!
Answer:
Number 3 . 5x-8y=-4
Step-by-step explanation:
What was the initial price of a t-shirt if, after a 25% discount, it cost $12?
A line segment with A B C at points
The production rate of a steel factory is declining due to old machinery. Over the last eight days production has dropped by 1.2 tons. What is the average rate of change in steel production over the eight days? Express the answer in tons per day.
A.
+1.2
B.
-1.2
C.
+0.15
D.
-0.15
Answer:
I think is A srry if im wrong :c
Step-by-step explanation:
Answer:
-0.15
we want to divide the amount of tons that was lost over the course of 8 days, in which the answer is 1.2 divided by 8 = 0.15, we then get -0.15 because they lost tons
I hope this helps
Solve for X then Solve for angles 7X-40 and 2X+60
Answer:
X = 20
Angles are both equal to 100 degrees
Step-by-step explanation:
Assuming that 7x-40 = 2x +60
1. Order of Operations
2. 5x = 100
3. divide 100 by 5
4. x = 20
5. Plug 20 into both equations
6. 7(20) - 40 = 100
2(20) + 60 = 100
7. Both angles are equal to 100 degrees
Chang wants to know if he is improving
Answer:
Yes he is
Step-by-step explanation:
Answer:
Yes! he is
Step-by-step explanation:
:)
8.1)? || What is the area of the reindeer barn in feet? 45 yards 25 yards er
Answer:
I think the answer is 20
Can someone help plz
Answer:
84g
Step-by-step explanation:
399÷19=21
21 x 4 = 84
Write each decimal as a fraction or mixed number in simplest form 0.125
Answer:
1/8 as a fraction
Step-by-step explanation:
Answer: mixed number:0 1/8 or just 1/8
Step-by-step explanation:
Susan bought a pair of jeans for $20.95 and a shirt for $11.50. She paid with $40.00. How much was her change?
Answer:
$7.55
Step-by-step explanation:
First, add the prices to get the grand total.
$20.95 + $11.50 = $32.45
Now, subtract that from the total that was paid.
$40.00-$32.45 = $7.55
Simplify the following expression:
3x (7x-4)-(x-8)
Answer:
=21x2−13x+8
Step-by-step explanation:
=3x(7x−4)+−1(x−8)
=3x(7x−4)+−1x+(−1)(−8)
=3x(7x−4)+−x+8
Distribute:
=(3x)(7x)+(3x)(−4)+−x+8
=21x2+−12x+−x+8
Combine Like Terms:
=21x2+−12x+−x+8
=(21x2)+(−12x+−x)+(8)
=21x2+−13x+8
Answer:
[tex]=21x^{2} -13x+8[/tex]
Step-by-step explanation:
Derek analyzed the relationship between the mean number of points scored per game by a basketball team and the team's mean home attendance for several seasons. Derek uses the function y=−7,628+325.5x to describe the data. In the function, x represents the mean number of points scored per game, and y represents the mean home attendance. If the team's mean number of points scored per game is 60 next season, what does the model predict that the team's mean home attendance will be? The model predicts that the mean home attendance will be _____ .
Answer:
Step-by-step explanación
0.02
When the mean number of points scored per game next season is 60, the model predicts that the mean home attendance will be 11902
The function that predicts the attendance is given as:
[tex]y = -7628+325.5x[/tex]
When the mean number of points scored per game next season is 60, it means that the value of x is 60
i.e. x = 60
Substitute 60 for x in the function
So, we have:
[tex]y = -7628+325.5 \times 60[/tex]
Evaluate the product
[tex]y = -7628+19530[/tex]
Add -7628 and 19530
[tex]y = 11902[/tex]
Hence, the model predicts that the mean home attendance will be 11902
Read more about linear functions at:
https://brainly.com/question/15602982
Plz help i will mark branliest
Writing Equations From Two Points & Point-Slope Form
Answer:
problem #2:
y - 4 = 2 ( x + 1) , y - 1 = -1/3x ( x - 2)
problem #3:
slope: 2/3 point: -2, 4
slope: -3 point: -5, -1
Step-by-step explanation:
good luck!
If I was asked to think of a number and multiply it by 2, I could
write this algebraically as 2x.
Write the following algebraically, using x as your unknown.
"I think of a number, multiply it by 3, add 4 and square the result.
Answer:
[tex](3x + 4)^{2}[/tex]
Step-by-step explanation:
3 times the number they thought of:
3x
add 4:
3x + 4
square the result:
[tex](3x + 4)^{2}[/tex]
Solve: 3x = 0.5x^2
x = -6 or x = 0
x = -4 or x = 3
x = -2 or x = 1.5
x = 0 or x = 6
Answer:
it the 3 one i am sure hope it helps
17,12,13,14 whats the middle
Answer:
6.75
Step-by-step explanation:
Put them in order from least to greatest
12, 13, 14, 17
Add the middle numbers together
13+14=27
Divide the amount of numbers in the set
27/4=6.75
Hope this helps. Have a nice day. May it be filled with joy and happiness. Please, stay safe and wash your hands. Happy Holidays.
2r+7=16
what does r =
Answer:
4.5
Step-by-step explanation:
2*4.5=9+7=16
The value of r in the given linear equation 2r + 7 =16 is 9/2.
What is linear equation in one variable?
A linear equation in one variable is an equation which has maximum of one variable of order 1. It is of the form ax + b =0, where x is the variable.
Solving Linear Equation in one variableFor solving an equation having one variable, the following steps are followed:
Step1: Using LCM, clear the fractions if any.Step2: Simplify both sides of the equation.Step 3: Isolate the variable.According to the given question
We have, a linear equation in variable r.
2r +7 =16
⇒ 2r + 7 -7 = 16 -7
⇒ 2r = 9
⇒ r = 9/2
Hence, the value of r is 9/2 for the given linear equation 2r + 7 = 16.
Learn more about Linear equation in one variable here:
https://brainly.com/question/11897796
#SPJ2
Mr. Olivera wants to buy a bicycle that costs $184 for each of his two children. He plans to save the $9 he usually spends for lunch to buy the bikes. About how many days must he save his lunch money to have enough to buy the bicycles? Will the actual number of days be more or less than the estimate?
Answer:
19 days its 180 y 20 days its 189
(Hope this helped in some kind of way and can i get brainlest? okay bye have a blessed day!)
The actual number of days required to buy a bicycle will be 20 days.
Inequality is defined as an equation that does not contain an equal sign. Inequality is a term that describes a statement's relative size and can be used to compare these two claims.
Mr. Olivera wishes to purchase a $184 bicycle for each of his two children. He intends to save the $9 he normally spends on lunch to purchase the bikes.
Let 'x' be the number of days. Then the inequality is given as,
9x ≤ 184
Simplify the equation, then we have
9x ≤ 184
x ≤ 184 / 9
x ≤ 20.44
The actual number of days required to buy a bicycle will be 20 days.
More about the inequality link is given below.
https://brainly.com/question/19491153
#SPJ2
HELP HURRRYYY!!!! If (72)x = 1, what is the value of x? Explain your answer.
Answer:
1/72
Step-by-step explanation:
72 times x equals 1
to find singular value of x, divide both sides by 72.
x=1/72
Answer:
1/72
Step-by-step explanation:
What’s 123.45 + 67.891
Step By Step?
Answer:
123.45 + 67.891 = 191.341
Step-by-step explanation:
I don't know really know how to explain but I'll try to. So since 123.45 is the larger decimal so you put it first then below it you put 67.891.(not that it is necessary)
Then add a zero to 124.45. Meaning it will be 123.450. (It is the same number, we just have to add a zero there.)
Add then just add like you normally do. Just try doing it and you'll see.
WILL GIVE BRAINLIEST !!!! PLS ANSWER THE LINES CORRECTLY !!!
Answer:
wait whats the question so i can solve it
Step-by-step explanation:
Help please!!!!! No fake answers
Answer: 13 itk
Step-by-step explanation:
(7.8 x 10) x (1.0 10) = ?
Scientific notation
Answer:
780
Step-by-step explanation:
7.8 x 10 is 78. 1.0 x 10 is 10. Multiply both and get 780
Which is the definition of a ray?
a part of a line that has one endpoint and extends indefinitely in one direction
the set of all points in a plane that are a given distance away from a given point
lines that lie in the same plane and do not intersect
a part of a line that has two endpoints
Answer:
a part of a line that has one endpoint and extends indefinitely in one direction
Step-by-step explanation:
a ray has one endpoint, then has an arrow going indefinitely in one direction.
Answer:
a
Step-by-step explanation:
What is the product of 417.2 x 0.64?
Answer:
267.008
Step-by-step explanation:
Answer:
267.008
Step-by-step explanation:
PLEASE HELPP!! ASAPPP
Answer:
The answer to this question is A
Step-by-step explanation:
Answer: 400,000 gallons
Step-by-step explanation: First find the per minute is 4000 next multiply by 100 minutes and it is 400,000
Find the measure of each angle indicated. HELPPP PLEASE
Answer:
its a 90degree angle C:
Step-by-step explanation:
srry if this didn't help I can't rlly understand the question but I hope it did help!