6+4x=8+3x
-3x -6
x=2
the number is 2
what are all the different methods for solving quadratic equations? discuss the pros and cons of each. what indicators predict when a quadratic equation will have a complex solution
Answer: are factoring, using square roots, completing the square and quadratic formula.
Step-by-step explanation:
I need two answers pls
Your baseball team is selling bags of popcorn to raise money for a trip. For each bag of popcorn you sell, $3 goes towards your trip. You hope to earn at least $150 for the trip. Write and solve an inequality that represents the numbers x of bags of popcorn you must sell to reach your goal.
Answer:
x > 50
Step-by-step explanation:
Let
x = number of bags of popcorns to sell
Price of each bag of popcorn = $3
You hope to earn at least $150 for the trip.
At least in inequality = >
The inequality is
Price × quantity of popcorns to sell > 150
3x > 150
Divide both sides by 3
x > 150 / 3
x > 50
Use the calculator to evaluate the function y = 1 *2 - 2 for the given values of x.
x= 4, y =
x=6, y=
Answer:
when x= -4, y= 2
when x= 6, y =7
Step-by-step explanation:
We have the x values, so we can plug them in and solve. for the first problem, it becomes y =1/4 (-4)^2 -2
first we do the exponent
y= 1/4 (16) - 2
Then the multiplication
y= 4-2
then subtraction
y=2
For the second problem, it becomes y= 1/4 (6)^2 -2 We follow the same steps
y = 1/4 (36) - 2
y= 9-2
y= 7
The function y = 1 *2 - 2 for the given values of x are
when x= -4, y= 2
when x= 6, y =7
We have the x values, so we can plug them in and solve. for the first problem, it becomes y =1/4 (-4)² -2
First we do the exponent
y= 1/4 (16) - 2
Then the multiplication
y= 4 - 2
then subtraction
y = 2
For the second problem, it becomes y= 1/4 (6)² -2 We follow the same steps
y = 1/4 (36) - 2
y = 9 - 2
y = 7
Learn more about function here:
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Graph: y < 1/3x+1/2
graph the point
Answer:
1/11
Step-by-step explanation:
First you have to times 1/3 and 1/2 and then you get 1/6. Then you add 1/3 and 1/2 and that's 1/5. then you add them both.
ASAP NEED HELP!!!!!!!!!
B=R/H Solve for H
Answer:
h = r/b
Step-by-step explanation:
Answer:
H = R BStep-by-step explanation:
H = R
B
F(x) = 2x2 + 1 what is f(x) when x = 3 ?
Answer:
2x^2 +1 (x=3)
2(3)^2 +1
6^2 +1
36+1
37
Mark has $146 in his savings account. He withdraws $41, deposits $98, and then withdraws $64. Find the balance of his account.
What's the answer?
Answer:
$139
Step-by-step explanation:
subtract 41 from 146
=105
add 98
=203
subtract 64
=139
What is an eqination of the line that passes through the point (-3, -7) and parallel to the line 3x-y=5
I need the y=mx+b
Answer:
y = 3x + 2
Step-by-step explanation:
First you need to change the way the equation is said into a easier form:
y = 3x - 5
Since the line is parallel, you can use the same slope of 3:
y = 3x + b
Now you plug in the coordinates into the equation and solve for b:
-7 = 3 ( -3) + b
-7 = - 9 + b
-7 + 9 = b
2 = b
Now plig this into the equation and you have the answer
y = 3x + 2
Mr. Brown cuts 3/4 inch sections of wood to make a birdhouse roof. He cut 36 sections. How many inches did he cut?
Answer:
27 Inches
Step-by-step explanation:
4 movie tickets cost $48. At this rate, what is the cost of 11 movie tickets?
Answer:
$132
Step-by-step explanation:
48÷4=12 so 12 times 11 equals 132
Max has 3 textbooks and 2
notebooks in his backpack. The total
weight of his backpack and its
content is 10,5 pounds. Each
textbook weighs 2.5 pounds. Each
notebook weighs 0.25 pound. What
is the weight of Max's empty
backpack?
Answer:
2 pounds
Step-by-step explanation:
Brett, who is 5 ft tall, is standing next to a flag pole. Brett's shadow is 8 feet long. The flag
pole's shadow is 24 feet long. How tall is the flag pole?
Answer:
15 is the answer
Answer:
15
Step-by-step explanation:
Multiply the length of the flagpole's shadow by your height, and then divide the resulting number by the length of your shadow.
(24x5)/8
120/8
15
please mark as brainliest!!!
Which of the following rules could represent the function shown in the table?
f(x) = -2x
f(x) = 2x-1
f(x) = 2x+1
Answer: f(x) = 2x+1
Step-by-step explanation: Substitute the variable with the “x” values in the chart to check your answers.
1. f(x) = 2x+1
Add in the “x” value
f(x) = 2x(-1) or 2 multiplied by -1
f(x) = -2 + 1
If the answer is equal to your “y” value , it can represent the function.
Arnold puts $580 in a savings the account pays 3% simple interest. how much interest will he earn in 5 years
Answer:Arnold earns $87 of interest in 5 years.
Step-by-step explanation:
The length between the bases on a baseball field is 90 feet. A scale drawing shows the distance between the bases are 2 1/5 inches. one inch on this drawing equals how many feet?
Answer:
So the distance from home plate to 2nd base is 127.279 ft
Step-by-step explanation:
I think it is right hope it helps :)
Answer:
Step-by-step explanation:
Jordan created a scale drawing of a rectangular room. The drawing is 8 inches long by 6 inches wide He used a scale of 2 inch = 3 feet . What id the area ,in square feet , of the room
If 120 million roses were sold on Valentine's Day, and 75% of the roses were red, how
many red roses were sold on Valentine's Day?
Answer:
Step-by-step explanation:
120 million * .75
90 million roses were sold on valentines day
Answer:
there were 90 roses sold on valentines day
Step-by-step explanation:
part=%*whole
p=75%*120
p=90
HELP ME PLEASEEEE
I only know how to do this in division, not multiplication
Answer:
360 × 30
= (360 × 3) × 10
= 1080 × 10
= 10800
Step-by-step explanation:
For the first two blanks, we will have to find a pair of factors of 30 that will make this the easiest to solve. Lets pair up all of the factors of 30.
1, 30
2, 15
3, 10
5, 6
So now we have found all of the factors of 30. We can eliminate 1 and 30, since we will just end up with 360 × 30 in the second line. We could use 2 and 15, but we will end up with _____ × 15 in the second line, which would be more difficult to solve for than the other two options. Now, you should use any one of the final two pairs of factors. I would use 3 and 10, since I find it much easier to multiply something by 3 and 10 than 5 and 6.
Lets put 3 in the first blank and 10 in the second blank. We will end up with:
(360 × 3) × 10
Now 360 × 3 would be 1080. So the second line would be:
1080 × 10
1080 × 10 would equal 10800. So the final line and the final blank would be:
10800
So in order, the lines would be:
= (360 × 3) × 10
= 1080 × 10
= 10800
I hope you find my answer and explanation to be helpful. Happy studying.
3) The square root of 3.052009 has
decimal places
Answer:
uhm yes 1.747
Step-by-step explanation:
Answer:
1.7469999999
Step-by-step explanation:
y=(-6)3x-8=
what is the answer
Answer:
8
Step-by-step explanation:
solve for x in terms of y: 5y = 3x + 2
Answer:
d. x = 1/3 (5y - 2)
Step-by-step explanation:
5y = 3x + 2 (subtract 5y and 3x on both sides)
-3x = -5y + 2 (divide by -3 or multiply by 1/3)
x = 1/3 (5y - 2)
Plsss help, will reward brainliest!!! Thank you.
Look at picture^^^
Answer:
-2b and -0.9b and b/12
Step-by-step explanation:
Given the expression 2m - 7x + 6 + 3x - 4 what are the CONSTANTS?
Answer:
The constants are 6 and 4
Step-by-step explanation:
They don’t have variables next to them
Write a two-column proof to verify each conjecture: If -1/3n = 12, then n = -36. This is for geometry btw. Any help would be much appreciated, thanks.
Answer:
Step-by-step explanation:
statement reasoning
n = -36 given
-1/3 x -36 = 12 multiplcation property of equality
12 = 12 reflexive property
ILL GIVE BRAINLIEST 2 THE 1ST PERSON WHO ANSWERS
Answer:
b
Step-by-step explanation:
what is simply 6x-9x
Given the relation A = {(5,2), (7,4), (9,10), (x, 5)}. Which of the following values for x will make relation A a function?
9
4
7
Avery and Carmen both have summer jobs Avery gets paid $360 every four weeks, and gets paid $480 every six weeks summer break lasts a total of 12 weeks who earn more money during summer break every earns dollars per week Carmen earns dollars per week
Answer:
Avery earns $1,080 during summer
Avery weekly earnings = $1,080 / 12
= $90
Carmen earns $960 during summer
Carmen weekly earnings = $960/12
= $80
Carmen earns more money during summer break
Step-by-step explanation:
Avery payment = $360 every four weeks
Carmen payment = $480 every six weeks
summer break lasts a total of 12 weeks
Avery pay during summer = Total summer break weeks / 4 weeks × payment per 4 weeks
= 12 / 4 × $360
= 3 × $360
= $1,080
Carmen pay during summer = Total summer break weeks / 6 weeks × payment per 6 weeks
= 12 / 6 × $480
= 2 × $480
= $960
Avery earns $1,080 during summer
Avery weekly earnings = $1,080 / 12
= $90
Carmen earns $960 during summer
Carmen weekly earnings = $960/12
= $80
Carmen earns more money during summer break
Answer:
Step-by-step explanation:
Avery earns $1080 in 12 weeks
Carmen earns $960 in 12 weeks
Royce is taking violin lessons. The instructor charges an initial fee and an hourly fee. The amount Royce pays based on the length of his lesson is shown in the graph below. What is the instructor’s hourly fee?
$15 per hour
$22 per hour
$26 per hour
$37 per hour
Answer: A just got it on edge
I have 10 red smarties five blue smarties four yellow smarties and two green smarties what is the probability of pulling three red smarties
Answer:
3:10
Step-by-step explanation:
We know how many Smarties we have for all of the other colors, but those don't matter. What we need to find is the probability of pulling three RED smarties, if there are three red ones and 10 total ones, we know we have a chance at pulling only three red ones.
I hope this helps!