Answer:
x = 1
Step-by-step explanation:
Use completing the square to solve for x in the equation (x-12)(x+4)= 9.
Answer:
x=4+√73 or x=4−√73
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
x^2−8x−48=9
Step 2: Add 48 to both sides.
x^2−8x−48+48=9+48
x^2−8x=57
Step 3: The coefficient of -8x is -8. Let b=-8. Then we need to add (b/2)^2=16 to both sides to complete the square.
Add 16 to both sides.
x^2−8x+16=57+16
x^2−8x+16=73
Step 4: Factor left side.
(x−4)^2=73
Step 5: Take the square root.
x−4=±√73
Step 6: Add 4 to both sides.
x−4+4=4±√73
x=4±√73
x=4+√73 or x=4−√73
Answer:
x=4+√73 or x=4−√73
If this answer helped you, I would greatly appreciate it if you gave me brainliest :D.
PLS HELP!.... a garden has more daisies than roses, and there is at least one rose. Let r represent the number of roses and let d represent the number of daisies. Let's compare the expressions 3r and r + d. Which statement is correct? Choose 1 answer:
A 3r>r + d
B 3r
C 3r=r + d
D There is not enough information to tell.
Answer:
Step-by-step explanation:
since d > r , becasue more daises, than roses, we know that the answer must also reflect this logic.
A is 3r > r+d , can't be true, b/c with one rose, the amount of roses + daises would be 3, and then 3r = r+d so A is wrong
B is 3r ??? we don't have an equation or inequality to solve.
C 3r = r+d, this could be true if r=1 and d=2 and would also be correct for all the requirements. C seems true,
D Also, for the teacher that wrote this, " compare expressions" means there are zero equal signs , expressions are with out equal signs, equations have them, as does C :/ This teacher doesn't know what they are talking about. >:/
Based on the equation, the correct answer is D. There is not enough information to tell.
How to explain the equationThe statement "a garden has more daisies than roses, and there is at least one rose" implies that the number of daisies (d) is greater than the number of roses (r), but it does not provide any specific values for r and d.
Without knowing the specific values of r and d, we cannot determine whether 3r is greater than, equal to, or less than r + d. Therefore, the correct answer is D, indicating that there is not enough information to determine the relationship between 3r and r + d.
Learn more about equations
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HELP ME PLS I"M VERY CONFUISED AND I REALLY NEED HELP!!!!
Chris takes a math test where each correct answer scores 3 points, but each incorrect answer takes away 3 points. If there are 10 questions on the test, and Chris misses all of them, which equation would be used to calculate Chris' test score?
3 × (-10)
-3 × 10
3 × 10
Answer:
-3 x 10
Step-by-step explanation:
Because there are 10 questions, all wrong taking away 3 points
HELP PLEASEEE
Which ordered pair is a solution of the equation?
y = 7x-2
Choose 1 answer:
lara draws some triangle models with the measurements she wants to use to construct them.
Answer:
Ok, but what is the question or data?
A rectangular garden measures 28 ft by 40 ft. Surrounding (and bordering) the garden is a path 4 ft wide. Find the area of this path
288 ft
first off you will want to find the area of the garden, which is 1120 ft squared, we’ll come back to this
Since the path is 4 ft wide and surrounding the garden, its area is 28+4 by 40+4, minus the area of the garden.
32*44 = 1408 - 1120 = 288 ft
you may or may not need to write it as feet squared
Find f (-8) and f (6) for the given function.
f (-x) = (x -1)
To find f(-8) and f(6), all that we need to do is plug in each of the numbers for x.
f(-8) = -8 - 1 = -9
f(-8) = -9
f(6) = 6 - 1 = 5
f(6) = 5
Hope this helps!
If f(-x) = x - 1, then f(x) = - x - 1. So
f(-8) = 8 - 1 = 7
and
f(6) = - 6 - 1 = -7
I don’t know how to do this HELP
Answer:
Both
Step-by-step explanation:
5+3+4=
12
3+1+1=
5
1+1=
2
1=
1
The line plot shows this data for each number.
A (1,3 ) and B (2,7)
help me
The answer of this question is √17 units
2 mi = ? Yd
3 mi = ? Ft
2dt 3in = ? In
Answer:
2. 3520 yds
3. 15840 ft
8. 27 in
Step-by-step explanation:
2. There are 1760 yards in a mile. Since we're looking for the number of yards in 2 miles, we just have to multiply this number by 2.
2 · 1760 = 3520 yds
5. There are 5280 feet in a mile. Since we're looking for the number of feet in 3 miles, we just have to multiply this number by 3.
3 · 5280 = 15840 ft
8. There are 12 inches in a foot. This means that 2 feet equals 24 inches [2 · 12 = 24]. Since we have to find the number of inches in 2 feet and 3 inches, we just have to add 3 to 24. This equals 27 inches.
Morgan has completed the mathematical statements shown below. which statements are true regarding these formulas? select three options. a = pi times r squared and c = 2 times pi times r. a = pi times r times r and c = pi times r times 2. a = (pi times r) times r and c = (pi times ) times 2. the numerical values of the area and circumference are equal when r = 2. the numerical value of the area is less than the numerical value of the circumference when r less-than 2. the numerical value of the area is greater than the numerical value of the circumference when r less-than 2. the numerical value of the area is less than the numerical value of the circumference when r greater-than 2. the numerical value of the area is greater than the numerical value of the circumference when r greater-than 2.
The correct statenments are:
The numerical values of the area and circumference are equal when r = 2.The numerical value of the area is less than the numerical value of the circumference when r less-than 2.The numerical value of the area is less than the numerical value of the circumference when r greater-than 2.Area of a circle and its circumferenceThe circumference of a circle is the sum of the external part of the circle.
The formula for calculating the area of a circle is expressed as:
A = πr²
The formula for calculating the circumference is given as:
C = 2πr
r is the radius of the circle
If radius is 2 units
A = π(2)² = 4π
C= 2π(2) = 4π
The numerical values of the area and circumference are equal when r = 2.
If radius is 1 units < 2 units
A = π(1)² = π
C= 2π(1) = 2π
The numerical value of the area is less than the numerical value of the circumference when r less-than 2.
If radius is 3 units > 2 units
A = π(3)² = 9π
C= 2π(3) = 6π
The numerical value of the area is less than the numerical value of the circumference when r greater-than 2.
Learn more on area and circumference of a circle: https://brainly.com/question/20489969
Answer:
ABD
Step-by-step explanation:
you are taking a trip at the same time as another family. your family traveled 1.900 miles in 2 days, their family traveled 2.700 miles in 3 days. who is traveling faster
Answer:
1.900 miles / 2 = 950 miles per day.
2700 miles / 3 = 900 miles per day.
Therefore, the other family travelled faster.
HELP!! PLEASE!!!!!
Solve the equation by taking square roots
2-8n^2=-198
The best answer gets Brainiest!!
Answer:
Isolate the variable by dividing each side by factors that don't contain the variable.
n=5, -5
Answer:
[tex]n=\frac{3i\sqrt{22}-2}{-8}[/tex]
Step-by-step explanation:
[tex](2-8n)^2=-198[/tex]
[tex]\sqrt{(2-8n)^2} =\sqrt{-198}[/tex]
[tex]2-8n=i\sqrt{198}[/tex]
[tex]2-8n=3i\sqrt{22}[/tex]
[tex]-8n=3i\sqrt{22} -2[/tex]
[tex]n=\frac{3i\sqrt{22}-2}{-8}[/tex]
I hope this helps!
Can someone please help me? :(
Answer:
____________________________________
[tex] \large{ \tt{ \star \: S \: O \: L \: U \: T \: I \: O \: N : }}[/tex]
[tex] \large{ \boxed{ \tt{♡ \: VOLUME \: = l \: \times b \: \times h}}}[/tex]
[tex] \longrightarrow \: 4 \frac{1}{3} \times 3 \frac{1}{3} \times 4[/tex]
[tex] \longrightarrow \: \frac{13}{3} \times \frac{10}{3} \times 4[/tex]
[tex] \longrightarrow \: \frac{540}{9} [/tex]
[tex] \longrightarrow \tt \: 57 \frac{7}{9} \: ft ^{3} [/tex]
Our final answer is 57 7 / 9 ft^3 .- HappY LearninG ^_________^
Answer: 57 7/9 is the answer
Step-by-step explanation: 4 times 4 1/3 times 3 1/3 is 57 7/9
To win a basketball game, one team scored 102 points. They made a total of 45 two-pointers and three-pointers. How many of the baskets were worth 2 points, and how many were 3 pointers?
a cylindrical tank has a volume of 100 gallons. a similar tank next to it has dimensions that are 2 times as large. what is the volume of the larger tank?
The volume of the cylindrical tank is the amount of space in it
The volume of the larger tank is 800 gallons
How to determine the volume of the larger tank?The volume of the small tank is given as:
v = 100
The volume of a cylinder is:
v = πr²h
For the bigger tank, we have:
V = πR²H
The dimensions are twice the smaller tank. This gives
V = π(2r)² * (2h)
Expand
V = 8πr²h
Substitute v = πr²h in V = 8πr²h
V = 8v
Substitute v = 100 in V = 8v
V = 8 * 100
V = 800
Hence, the volume of the larger tank is 800 gallons
Read more about volume at:
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Quadrilateral LMNO can BEST be described as
a) square
b) rectangle
c) rhombus
d) parallelogram
E) quadrilateral
Answer:
E) quadrilateral
Step-by-step explanation:
Quadrilateral LMNO has 4 sides, but only two seem to parallel each other and that is why it is only a quadrilateral.
Requirements for each shape:
Square = 4 equal sides, 2 pairs of parallel ones, all right angles
Rectangle = 2 sets of equal and parallel sides, all right angles
Rhombus = 4 equal sides, 2 pairs of parallel ones
Parallelogram = 2 pairs of parallel sides
Quadrilateral = 4 sided polygon with 4 corners
Hope this helps!
A cone has a height of 14cm with a circumference of 26.39cm. What is the volume of the cone?
V=πr2h
3=π·26.392·14
3≈10210.22786
10210.23
PLEASE ANSWER
I REALLY APPRECIATE IT
THANKS :)
12, 46, 32, 18, 26, 41, 46
Mean :
Mode :
Median :
Range :
Answer:
Mean : 31.6
Mode : 46
Median : 32
Range: 34
Step-by-step explanation:
Answer: Mean 31.57 Mode 46 Median 32
Range34
Step-by-step explanation: Mean is average. Add all the numbers and divide by 7
Mode is highest occurring
Median is middle number
Range is highest- lowest 46 - 34
What trigonometric ratio is 6/10?
Answer:
tanC
Step-by-step explanation:
tanC = [tex]\frac{opposite}{adjacent}[/tex] = [tex]\frac{AB}{BC}[/tex] = [tex]\frac{6}{10}[/tex]
If a = -3, determine the value of 4a + 5+ 8a.
HELP PLEASE
Step-by-step explanation:
I4(-3)+5| +8(-3)
|-12+5| -24
7-24 = -17
Which polynomial lists the powers in descending order?
A. 10x^2 + 8x^3 + x^8 - 3x^6
B. x^8 +3x^6 +8x^3 + 10x^2 - 2
C. x^8 + 10x^2 + *x^3 +3x^6 - 2
D. 3x^6 + 10x^2 + x^8 + 8x^3 - 2
Answer:
B
Step-by-step explanation:
it goes 8 6 3 2
none of the other ones go this order
find the distance between (0,6) and (0,8)
Answer:
2 units.
Step-by-step explanation:
8 - 6 = 2 units.
There is no need to use the distance formula as both points are on the y-axis. Its just a simple subtraction.
[tex] \huge \mathfrak \red{hey \: there}[/tex]
[tex]\mathfrak \orange{answer}[/tex]
[tex] \mathfrak \orange{ explanation}[/tex]
Here,Given,[tex] x_1[/tex] = 0 [tex] x_2[/tex] = 0
[tex] y_1[/tex] = 6 [tex] y_2[/tex] = 8
[tex] \sqrt{ {(x_2 - x_1)}^{2} + {(y_2 - y_1)}^{2} } // \sqrt{ {(0 - 0)}^{2} + {(8 - 6)}^{2} } //[tex] \sqrt{ {(0)}^{2} + {(2)}^{2} } // [tex] \sqrt{ {(0 + 4} [/tex]
I NEED AN ANSWER FAST
2. If x = -8, which inequality is true?
A. -3x - 2 = 24
B. 12 + 2x > 9
C. 4x -19 318
D. 17 + x>10
Answer:
[C] 4x - 19 < 318
Step-by-step explanation:
For [C] I think you meant: [C] 4x - 19 < 318
Since, x = -8
then we can plug it in to each answer choice to find the answer:
[A] -3x - 2 = 24
⇒ -3(-8) - 2 = 24
-3(-8) = 24
24 -2 = 22 not 24
False.
[B] 12 + 2x > 9
⇒ 12 + 2(-8) > 9
12 -16 > 9
-4 > 9
False.
[C] 4x -19 < 318
⇒ 4(-8) -19= 318
-51 < 318
True.
[D] 17 + x>10
⇒ 17 + (-8) >10
-25 > 10
False.
Hence, the answer is [C] 4x - 19 < 318
Kavinsky
Jonas needs to find the missing height of a box that has a length of 6 in, a width of 3 in, and a volume of 36 in3. Jonas needs your help in finding the missing height. What should he do?
pls help
Please tell me what the answer is
Question:
Please tell me what the answer is
Answer:
The people with the membership take seven classes
The people without the membership take five classes
Step-by-step explanation:
As it says in the picture:
"A local gym has two different fees for their yoga classes. Members of the gym are charged a one-time membership fee of $25 and pay $5 per yoga class. Nonmembers do not pay a membership fee, but they pay $7 per class. How many yoga classes do nonmembers and members have to attend for their cost to be the same?"
First, what you would do is look for your key words in the sentence. What you'd take from the sentence is everything that I highlighted.
If the membership fee is $25 and yoga classes are $5 and nonmembers cost for yoga classes is $7 then you have your problem right there.
Next, what you would look for is your Greatest common divisor. (GCD) The GCD of 5 and 7 is 5 of course. So now what you would do is find out how many times 5 and 7 goes into five.
7 x 5 = 35
5 x 5 = 25
Now what you do is ask yourself the question, "How many times does the nonmembers and members have to go to class to have the same amount of money spent?"
Now I will answer this question for you.
five dollars for members.
seven dollars for nonmembers.
Your answer is: 7 x 5 (30)
Write the fraction that represents 3 feet of rope divided into 8 equal parts.
help ill give you brainlest
Juana weighed a sample of 12 jumbo eggs. Here are their weights (in grams): \begin{aligned} &67, 67, 68, 69, 69, 70, \\ &71, 71, 71, 72, 72, 73 \end{aligned} 67,67,68,69,69,70, 71,71,71,72,72,73 The mean is \bar x =70 x ˉ =70x, with, \bar, on top, equals, 70 grams. Which of these formulas gives the standard deviation?
Step-by-step explanation:
khan academy
The formulas that give the standard deviation will be given below.
[tex]\sigma = \sqrt{\dfrac{(67 - 70) ^2 + (67 - 70) ^2 + ( 68 - 70) ^2 + ....+ (73 - 70) ^2}{12}}[/tex]
What is a standard deviation?It is the measure of the dispersion of statistical data. Dispersion is the extent to which the value is in a variation.
The mean is the straightforward meaning of the normal of a lot of numbers. In measurements, one of the markers of focal propensity is the mean. The normal is alluded to as the number-crunching mean. It's the proportion of the number of genuine perceptions to the absolute number of perceptions.
[tex]\rm \sigma = \sqrt{\dfrac{\Sigma (x_i - \mu)^2}{n}}[/tex]
Juana weighed a sample of 12 jumbo eggs. Here are their weights (in grams): 67, 67, 68, 69, 69, 70, 71, 71, 71, 72, 72, 73
The mean is μ =70 grams.
Then the standard deviation is given as,
[tex]\sigma = \sqrt{\dfrac{(67 - 70) ^2 + (67 - 70) ^2 + ( 68 - 70) ^2 + ....+ (73 - 70) ^2}{12}}[/tex]
More about the standard deviation link is given below.
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