What does it mean to SOLVE a system of linear equations?
Answer:
In solving a system of linear equations, we try to find values for each of the unknowns that will satisfy every equation in the system
Step-by-step explanation:
please help!
Create an equation for the following situation and find the value of x.
8 more than 2 times a number x, all divided by 5 equals 2.
Answer:
8+2x/5=2
2x/5=2-8
2x/5=-6
2x=-6x5
2x=-30
x=-30/2
x=-15
Step-by-step explanation:
r(2s)(t) when r=2, s=3, and t=5
Answer:
60
Step-by-step explanation:
2(2*3)(5)
2(6)(5)
2(30)
60
A scientist makes $150,000 per year. She deposits 5% of her yearly income in a travel savings account. How much money should she have in her savings account by the the end of the year in dollars and cents?
Answer:
the answer is $7,500.00 or 7500
plz mark me as brainly
Step-by-step explanation:
A hoodie is on sale for $48. This sale price is 80% of the original price. What was the original price of the hoodie?
Answer: 60 dollars
===============================================
Work Shown:
x = original price
y = sale price
The sale price is always smaller than the original price, so y < x.
The equation linking the two variables is
y = 0.8x
since 80% = 80/100 = 0.8
We know the sale price is $48, which means y = 48. This leads to:
y = 0.8x
0.8x = y
0.8x = 48
x = 48/0.8
x = 60
The original price was $60
Note: since the sale price is 80% of the original price, this must mean that we have a 20% discount (100% - 80% = 20%)
Evaluate each expression:
1. (-1) x 2 x 3
2. (-1) x (-2) x 3
3. (-1) x (-2) x (-3)
Need Answer for all the expressions.
Please help I’ll give brainliest and 20 extra points!
Select the box in each row to identify the equivalent decimal.
Answer:
42/63 = .6 repeating
30/38 = .625
36/60 = .6
57/90 = .63 repeating
Step-by-step explanation:
Nd if I'm wrong then the 2nd nd 3rd one are switched
what is 3x+5=-8(x+3)
Answer:
-29/11
Step-by-step explanation:
i used a calculator lol
3
11/
Will the solution (-3, -7) make the following system of equations a true statement?
y = 4x + 5
y = x - 4
I need help with number 5, and 6.
Please and thank you.
Answer:
5 - 1 year
6 - 738.92
Step-by-step explanation:
5: 260 = 250(1.04)^t
Divide both sides by 250, and we get 1.04. So t must be 1.
6: x + 45 = x(1.03)²
Solve to find x
Increase the number 60 by 30%
Answer:
78
Step-by-step explanation:
10% = 6
⬇️ x3
30% = 18
⬇️ Add onto 60
60+18=78
Examine the solution to the equation.
-6(x + 5) + 3 = -2(x + 4) - 4x
-6x - 30+3=-2x–8 – 4x
Which statements accurately describe this equation?
Check all that apply.
This equation has one solution.
This equation has no solution.
This equation has infinitely many solutions.
Any input value for the variable will generate a true
equation.
-6x-27 = -6x - 8
-27 = -8
Any input value for the variable will generate a false
equation.
Intro
Done
Answer:
The answer is 2 and 5
Step-by-step explanation:
Mrs. Clark runs 1 3/4 miles in 1/3 hour How many miles can she run in one hour?
what is the area of the figure below? Equation below v
Answer:
68 in^2
Step-by-step explanation:
Solution for 1/3p+8=11
Answer:
p = 9
Step-by-step explanation:
How would it be? I said it is wrong.
Answer:
you got it kinda just take away the shaded part for the angle <edf
Step-by-step explanation:
Answer:
The image has the area outlined that you should shade.
Step-by-step explanation:
Hope it helps and is correct!
An African elephant weighed 209 lbs when it was born. Baby elephants gain an average of 38 lbs per week.
How many weeks will it take for the baby elephant to weigh 1197lbs?
Which expression is equivalent to 3k +51 +61 + 2k ?
Answer:
B. 5k + 11l
Step-by-step explanation:
Add similar terms:
3k + 2k = 5k
5l + 6l = 11l
Therefore:
3k + 5l+ 6l + 2k = 5k + 11l
A car dealership pays $8,350 for a car. They markup the price by 17.4% to get the retail price. What is the retail price of the car at this dealership?
Answer:
I belive its $9,802.9
Step-by-step explanation:
$8,350 x 0.174 ( 17.4 ÷ 100)
= $1,452.9
$8,350 + $1,452.9 = $9,802.9
four tanks each had 54 litres and 750ml. what is their total capacity in litres
Answer: 219 I beleive
Step-by-step explanation: 54(4)+(.750)4=219
Answer:
each tank = 54 + (750÷ 1000) liter = 54.75L
so the capacity of the four tanks = 4x 54.75 = 219litre
Step-by-step explanation:
1) change 750 ml int litre which is equal 750÷1000 = 0.75L
2) add 54 +0.75
3) multiply 4 by 54.75 = 219L
Determine which function has a greater change of rate.
Be sure to show work as well.
Answer:
A
Step-by-step explanation:
You need to find the slope in A. y = x + (4x - 1) = 5x -1. The slope is 5.
In B, as x increases 1 unit, y increases 1 unit. Therefore, the rate of change is 1/1 = 1
Conclusion: In A the rate of change is 5 and in B the rate of change is 1.
Therefore, A has a greater rate of change
PLZ HELP PLZ PLZ PLZ HELP
Answer:the diameter is 7
Step-by-step explanation: 21.98 divide by pi is 7 so diameter is 7
15 feet by 120 inches area
Answer:
21600 In.
Step-by-step explanation:
First, turn 15 feet into inches
15*12 is 180
then do 120*180 which equals 21600 In.
What's the square root of 64 times 3
Answer:
24
Step-by-step explanation:
Answer:
About 13.86
Step-by-step explanation:
64 x 3 = 192
[tex]\sqrt{} 192[/tex] = 13.8564064606
If you were asking what [tex]\sqrt{64}[/tex] multiplied by 3 was, that answer would be 24. I read it as if you were asking what [tex]\sqrt{64 x 3}[/tex] is. :)
Can someone help me with this quickly????
Answer:
A
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
Find the distance between the two points. (2, 4), (7, 2)
The distance between the two points is __ units.
Answer:
✓29
Step-by-step explanation:
x1 = 2
x2 = 4
y1 = 7
y2= 2
Then you apply it into the formula of distance.
hope It helps.
I don’t understand this at all please help
Justin has a savings account.
He started with $25 in his account.
He deposits $10 into the account each
week.
Let 'b' represent the amount Justin has in the bank account after 'w' weeks.
---
Which statement is correct?
A. The variable W is dependent on the variable B.
B. The variable B is dependent on the variable W.
C. Both B and W are independent variables.
D. Both B and W are dependent variables.
Answer:
D. Both B and W are dependent variables.
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
took the test before an got the answer right
3 of 5
In a group of 30 pupils, 13 play the flute only.
1 plays the piano only.
4 play both instruments.
How many pupils play neither instrument?
Answer: 6 or 0.6
Step-by-step explanation:
Joe makes a map of his neighborhood for a presentation the scale of his map is 1 inch: 250. How many do 6.5 inches represent on this map.
Answer: 1625
Step-by-step explanation:
From the question, we are informed that Joe makes a map of his neighborhood for a presentation and that the scale of his map is 1 inch: 250.
Then, it should be noted that a 6.5 inches would represent:
= 6.5 × 250
= 1625
The answer is 1625