Answer:
.875
Step-by-step explanation:
1.Estimate square root 3
Andrea is selling candles for a fundraiser. She spent $50 on supplies for making the candles. She plans to sell the
candles for $10 each. The function of her profit can be modeled by c(x) = 10x - 50. The x represents the number
of candles she makes. She only has enough supplies to make 100 candles. What is the independent variable?
Find the length of DE if D is between points C and E, CD = 6.5 cm and CE = 13.8 cm
Answer:
DE= 7.3
Step-by-step explanation:
you subtract the length if CE - CD to get DE
13.8 - 6.5 = 7.3
Please help fast and i brainliest!!! What is the first step in solving the equation 3x2−6x+1=0 by completing the square? Write the equation in standard form. Factor both sides of the equation. Write the equation in the form ax2+bx=c. If a≠1, divide each term by a. Use the square root property.
Answer:
yoi look for what you add to the equation to make it a perfect square by dividing 6 by 2 then add 2^2 to both sides.
Use the function f(x) = 2x3 - 3x2 + 7 to complete the exercises
Answer:
f(−1) = ✔ 2
f(1) = ✔ 6
f(2) = ✔ 11
Step-by-step explanation:
Chloe wants to divide 600 jellybeans into equal groups. She wants each group to have more than 10 jellybeans, but less than 100. What are three possible groupings Chloe can make?
Answer:
8 groups of 75, 10 groups of 60, 12 groups of 50.
Step-by-step explanation:
600/12=50
600/10=60
600/8=75
The possible groupings are:
50 groups with 12 jellybeans each.
40 groups with 15 jellybeans each.
30 groups with 20 jellybeans each.
24 groups with 25 jellybeans each.
12 groups with 50 jellybeans each.
10 groups with 60 jellybeans each.
8 groups with 75 jellybeans each.
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
Chloe wants to divide 600 jellybeans into equal groups. She wants each group to have more than 10 jellybeans, but less than 100.
This means,
we need to find three numbers between 10 and 100 that are a factor of 600.
We can have,
12, 15, 20, 25, 50, 60, 75
We can have,
50 groups with 12 jellybeans each.
40 groups with 15 jellybeans each.
30 groups with 20 jellybeans each.
24 groups with 25 jellybeans each.
12 groups with 50 jellybeans each.
10 groups with 60 jellybeans each.
8 groups with 75 jellybeans each.
These are the possible grouping we can have,
We can choose any three groupings.
Thus,
The possible groupings are:
50 groups with 12 jellybeans each.
40 groups with 15 jellybeans each.
30 groups with 20 jellybeans each.
24 groups with 25 jellybeans each.
12 groups with 50 jellybeans each.
10 groups with 60 jellybeans each.
8 groups with 75 jellybeans each.
Learn more about expressions here:
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Solve for x.
x+16, 4x-5
Answer:
if they are being equaled to each other, then x=7
Which expressions are equivalent to x4 + 5x3 - 43x2 + 4x -9? Select all that apply. (-6x4 - 8x3 - 34x2 + 4x - 23) + (7x4 + 13x3 – 9x2 + 14) A B (x4 + 2x3 - 203x2 + 9x – 13) + (x4 + 3x3 + 160x2–5x + 4) C (3x4 + 1983 - 7x2 + x - 193) - (2x4 + 14x3 + 36x2 – 3x – 184) (13x4 - 11x3 + 8x2 + 5x – 19) - (-12x4 + 16x3 - 51x2 - x + 10) (-8x4 - 31x3 – 11x2 - 8x - 43) - (-9x4 + 36x3 – 32x2 + 12x + 34)
Answer:
all of the expressions are probably random so I have no idea
solve for x: x-10=-22
Answer:X would be -12
Step-by-step explanation: -12-10=-22
The price of a ring was increased by 30% to £325. What was the price before the increase?
Please answer asap!!
Answer:
227.5
Step-by-step explanation:
Find the number that is increased by 30% to get to 325.
100-30 = 70.
In other words, what number is 70% of 325.
325 x .70 = 227.5
The original price of the ring was 227.5.
Check your work, 227.5 = 70% of X
227.5 / .70 = 325
Answer:
The cost before the increase is £250.
Step-by-step explanation:
Given that after 30% increases, the cost of the ring is £325 so we can assume that 130% is £325. Now, we have to form an expression in term of x where x represents the original cost :
[tex] \frac{130}{100} \times x = 325[/tex]
Next, we have to solve it :
[tex]x = 325 \div \frac{130}{100} [/tex]
[tex]x = 325 \times \frac{100}{130} [/tex]
[tex]x = 250[/tex]
What is the direction and strength of the association between the variables?
weak negative
strong positive
strong negative
weak positive
Answer:
strong positive maybe
The direction and strength of the association between the variables is weak negative correlation. Therefore, option A is the correct answer.
The given coordinates are (0, 8), (12, 0), (2, 5), (10, 1), (9, 3), (5, 2), (6, 2) and (4, 0).
What is correlation and types?Correlation is a key statistical measure that describes the degree of association between two variables. There are three basic types of correlation: positive correlation: the two variables change in the same direction. negative correlation: the two variables change in opposite directions.
The coordinate points (0, 8), (12, 0), (2, 5), (10, 1), (9, 3), (5, 2), (6, 2) and (4, 0) are plotted in the graph below and it shows weak negative correlation.
The direction and strength of the association between the variables is weak negative correlation. Therefore, option A is the correct answer.
To learn more about the correlation visit:
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Which is greater?
[tex]4 \sqrt{20} [/tex]
or
[tex] \sqrt{40} [/tex]
Answer:
4√20
Step-by-step explanation:
√40 = √4 * √10 = 2√10
4√20 > 2√10
then:
the greater is:
4√20
Solve the equation below. -1/5x-18=2
whats the answer
f(-3)= -3^2+1
The answer to f(-3)= -3^2+1 is 10 !!
Answer: 10
STEP BY STEP STEP BY STEP BY STEP
First person to answer gets brainliest find the domain and range of the following absolute functions . F(x)=|x+6|
Answer:
yes
Step-by-step explanation:
Answer:
B is the answer to f(x)= |x+6|
Step-by-step explanation:
I used desmos for these types of problems and looked at the table.
Mrs. Ivy is grading math homework papers. For a certain problem, the correct answer equals −0.5. Choose all of the students that give a correct answer. Student 1: 1 −2 Student 2: − 1 2 Student 3: −1 2 Student 4: −1 −2
Answer:
student.1 1/-2 student.2 - 1/2 student. 3 1-/2
Step-by-step explanation:
brainly please
Five roses cost $25 how many Roses can you purchase for $75
Answer: 15
Step-by-step explanation: 5 roses are 25 dollars so what your going to do is multiply 5 by 3 to get 15 do the same with 25, 25 x 3 is 75 so you will get 15 roses for 75 dollars
Evaluate 3xy - y2 when x = -2 and y = 4
which one?
-30
-8
-40
-20
Answer:
-32 is what i got
Step-by-step explanation:
A local zoo has two large snakes. The anaconda is currently 5.23 meters long and grows 1.27 meters every month. The python is 4.76 meters long and grows 2.04 meters per month. How many months ( ) m does the zookeeper need to wait for the two snakes to be the same length? a. Write the question or problem statement for the situation. _______________________________________________________________________________ _______________________________________________________________________________ b. Write the general form of the equation. _______________________________________________________________________________ c. Write the verbal and variable expression for the left side of the equation. _______________________________________________________________________________ d. Write the verbal and variable expression for the right side of the equation. _______________________________________________________________________________ e. Write the final algebraic equation with variables on both sides. Include what the variable represents in the problem. Include appropriate units. ____________________________________________________________
Answer:
see below
Step-by-step explanation:
a. We want to see when the two snakes will be the same length.
b. b1 + r1m= b2 + r2m where b is the initial length and m is the number of months and r is the growth rate
c. for the anaconda 5.23 + 1.27 m where m is the number of months, and the total length is in meters
The anaconda starts at 5.23 meters and grows 1.27 meters each month for m months
d. for the python 4.76 + 2.04m where m is the number of months, l is the length of the python in meters
The python starts at 4.76 meters and grows 2.04 meters each month for m months
e. 5.23 + 1.27 m = 4.76 + 2.04m m is the number of months Each side is the number of meters
Given that f(x) = 5x^2-3x+7 and f(g(x))=(5x^4)/9 + (17x^2)/3 + 21. Find all possible values for the sum of the coefficients in the quadratic function g(x).
steps
(x) = 5x^2-3x+7
refine
x=5x^2-3x+7
Switch sides
5x^2-3x+7-x=x-x
Subtract x from both sides
5x^2-4x+7=0
Solve with the quadratic formula
. 10(7x - 2) + 3(-7X - 8)
Answer:
49x-44 is it.
Step-by-step explanation:
i’m really stuck on this one if you can help i’d really appreciate it
you're correct. its to take out the greatest common factor.
A line has a rise of 6 and a slope of 1/20.
Find the run of the line. Type a numerical answer in the space provided.
Answer:
120
Trust me it is correctGood Luck:)You have $60 in your bank account. Each week you plan to deposit $8 from your allowance and $25 from your paycheck. The equation b=60 + (25+ 8)w gives the amount b in your account after w weeks. How many weeks from now will you have $220 in your bank account?
Answer: 3 weeks
Step-by-step explanation:
25 + 8 = 33
33+ 60 = 93
220 / 93 = 2.3 or 3 weeks
Hope this helps
Plz mark brainliest
Each team earns 1 point for each person who participated in the track-and-field day. Who wins the meet---the eighth graders or the seventh graders?
Answer:
THE SEVENTH GRADERS
Step-by-step explanation:
next time give more context tho, but the seventh graders got 712 points while the eighth graders got 332 points. love from granny smith y'all!
Answer:
7th
Step-by-step explanation:
sup
are y=2/3x-3 y=-3/2x+2 perpendicular? I know they intersect but i need to know if they’re perpendicular to each other. Please help ASAP!!
Answer:
yes exact oposites almost
Step-by-step explanation:
Answer:
Yes.
Step-by-step explanation:
If a function has a counterpart with the numerator and denominator switched multiplied by -1, then it is perpendicular. Also, here's image proof.
2.
Write an equation in point-slope form of the line that passes through the points (-2, 4) and (6,-4)
Answer:
Step-by-step explanation:
(-4 - 4)/(6 + 2)= -8/8= -1
y - 4 = -1(x + 2)
y - 4 = -x - 2
y = -x + 2
2x – 10 = 1/2(x – 8)
Answer:
X= 4
Step-by-step explanation:
Which of the following is the hypotenuse? *
4, V32, 4
1st
2nd
3rd
HELP MEEEEE I NEED HELP SM
Answer:
1) x=14
2) n=21/8=2.625
Step-by-step explanation:
1)
So we have the equation:
[tex]\frac{x}{16}-\frac{1}{2}=\frac{3}{8}[/tex]
First, let's remove all the fractions. Multiply both sides by the LCM of 16, 2, and 8, which is 16. So:
[tex]16(\frac{x}{16}-\frac{1}{2})=16(\frac{3}{8})[/tex]
Distribute:
[tex]16(\frac{x}{16})-16(\frac{1}{2})=16(\frac{3}{8})[/tex]
Simplify:
[tex]x-8=6[/tex]
Add 8 to both sides:
[tex]x=14[/tex]
So, the value of x is 14.
2)
We have:
[tex]\frac{3n}{7}-1=\frac{1}{8}[/tex]
Again, let's remove the fractions by multiplying both sides by the LCM of 7 and 8, which is 56. So:
[tex]56(\frac{3n}{7})-56(1)=56(\frac{1}{8})[/tex]
Simplify:
[tex]24n-56=7[/tex]
Add 56 to both sides:
[tex]24n=63[/tex]
Divide both sides by 24:
[tex]n=63/24[/tex]
Reduce:
[tex]n=21/8=2.625[/tex]
And we're done!