Answer: n = -2
Step-by-step explanation:
3n +2(n + 2) = 9n + 12
(simplify 2(n + 2)) =
3n + 2n + 4 = 9n + 12
(subtract 9n from both sides)
3n + 2n - 9n + 4 = 12
-4n + 4 = 12
(subtract 4 from both sides)
-4n = 8
(divide -4 from both sides)
n = -2
Can someone helppp Mr. Jones surveyed 300 men and 250 women about their vehicles. Of those surveyed, 78
men and 95 women said they own an SUV. If a person is chosen at random from
those surveyed, what is the probability of choosing a woman or a person that owns an SUV?
Answer:
did you find the answer
Step-by-step explanation:
Which of the following is not a property of a parallelogram?
1. Diagonals bisect each other
2. Consecutive angles are supplementary
3. Opposite sides are congruent
4.Opposite angles are congruent
5. Consecutive angles are complementary
Thank you so much for helping me!
3.
Find a solution to the following system of equations.
-3x+3y=-9
-3x+y=7
A. (–2, 2)
B. (–5, –8)
C. (5, 2)
D. (0, 7)
Answer:
B. (–5, –8)
Step-by-step explanation:
Solve for the first variable in one of the equations, then substitute the result into the other equation.
Point Form:
( − 5 , − 8 )
Equation Form:
x = − 5 , y = − 8
Large Small
Blue 17 3
Red 8 12
Find: P(Small and Blue)
Remember to reduce your answer.
Enter
The probability of getting blue with small is 3/20 because 3 is the small quantity and 20 is the total blue.
Give details according to the question :
Total number of blue
Sum of larger and small = 17+3 = 20
Total number of red
Sum of large and small = 8+12 = 20
Now,
Probability :
The probability formula is used to compute the probability of an event occurring.
P(A) = n(A)/n(S)
Where,
P(A) is the probability of an event “A”
n(A) is the number of favorable outcomes
n(S) is the total number of events in the sample space
Note: Here, the favorable outcome means the outcome of interest.
n(A) is the number of favorable outcomes = 3
n(S) is the total number of events in the sample space = 20
P(Small and Blue)= 3/20
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Answer:
3/40
Step-by-step explanation:
:)
the diameter of a circle is 26 yards. what is the circle's area
Step-by-step explanation:
[tex]196\pi[/tex]
is the answer
plz mark as brainliest
2 1/4 divided by 3 1/2
Answer:
9/4 ÷ 7/2
9/4 × 2/7
9/14
plßssssssssssss mark me brianliest
[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]
The equivalent expression is ~
[tex] \boxed{ \frac{9}{14} }[/tex]
[tex] \huge \boxed{ \mathfrak{Explanation}}[/tex]
[tex]2 \frac{1}{4} \div 3 \frac{1}{2} [/tex][tex] \dfrac{9}{4} \div \dfrac{7}{2} [/tex][tex] \dfrac{9}{4} \times \dfrac{2}{7} [/tex][tex] \dfrac{9}{2 \times 7} [/tex][tex] \dfrac{9}{14} [/tex]What is the intermediate step in the form (x + a)2 = b as a result of completing the
square for the following equation?
x2
12x + 32 = 4
Given:
The equation is:
[tex]x^2-12x+32=4[/tex]
To find:
The result of completing the square for the given equation.
Solution:
We have,
[tex]x^2-12x+32=4[/tex]
It can be written as:
[tex]x^2-12x=4-32[/tex]
[tex]x^2-12x=-28[/tex]
Now, we need to add half of square of coefficient of x, to complete the square.
Adding [tex](\dfrac{-12}{2})^2[/tex] on both sides, we get
[tex]x^2-12x+(\dfrac{-12}{2})^2=-28+(\dfrac{-12}{2})^2[/tex]
[tex]x^2-2(x)(6)+(-6)^2=-28+(-6)^2[/tex]
[tex]x^2-2(x)(6)+(6)^2=-28+36[/tex] [tex][\because (-a)^2=(a)^2][/tex]
Using the formula [tex](a-b)^2=a^2-2ab+b^2[/tex], we get
[tex](x-6)^2=8[/tex]
Therefore, the required equation after completing the square is [tex](x-6)^2=8[/tex].
help pls, i don’t get it
What number represents a temperature of 7 degrees below zero
Answer:
-7
Step-by-step explanation:
p mark brainliest please
Answer:
-7
Step-by-step explanation:
0 subtract 7 is negative 7
A worker earns a 3% increase in her annual salary for each of 5 years. They plan to continue working in their position for an additional n years. If they continue to earn a 3% increase in their annual salary, what statement could describes the expression that can be used to calculate the total percent increase in their annual salary from the first year to the last year
Answer:
Given that a worker earns a 3% increase in her annual salary for each of 5 years, and they plan to continue working in their position for an additional N years, if they continue to earn a 3% increase in their annual salary, to determine what statement could describe the expression that can be used to calculate the total percent increase in their annual salary from the first year to the last year the following calculation should be performed:
1 + 0.03 (interest rate) ^ N (number of years) = final interest rate
1.03 ^ N = Final interest rate
Thus, for example, if it were invested for 5 years, the equation would operate as follows:
1.03 ^ 5 = X
1.16 = X
The total percent increase in their annual salary from the first year to the last year is [tex](1.03)^n[/tex].
What is Percentage?A percentage is a way to describe a part of a whole. such as the fraction 1/4 can be described as 0.25 which is equal to 25%.
To convert a fraction to a percentage, convert the fraction to decimal form and then multiply by 100 with the '%' symbol.
As it is given that the annual salary of the worker increases at a rate of 3%. therefore, the salary of the worker increases compounded at a rate of 3% annually. Therefore, the salary of the worker after n number of years can be written as,
[tex]A = P(1+\dfrac{r}{100})^n[/tex]
where A is the final salary of the worker, P is the initial salary of the worker, r is the rate at which the salary is increasing, and n is the number of years.
Substituting the values in the formula,
[tex]A = P(1+\dfrac{3}{100})^n\\\\A = P(1.03)^n[/tex]
Hence, the total percent increase in their annual salary from the first year to the last year is [tex](1.03)^n[/tex].
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If using the method of completing the square to solve the quadratic equation x^2+11x-38=0 which number would have to be added to "complete the square"?
Answer:
121/4
Step-by-step explanation:
To complete the square, we have to work with the coefficient of x
We have to divide the coefficient of x by 2, square it and add it to both sides
So we divide 11 by 2; which is 11/2; then square it
we have this as 121/4
This number is what we are going to have added
Answer:
You need to add [tex]\dfrac{121}4[/tex]Step-by-step explanation:
[tex]x^2+11x-38=0\\\\x^2+2\cdot\frac{11}2x-38=0\\\\\underline{x^2+2\cdot x\cdot\frac{11}2+\bold{\big(\frac{11}2\big)^2}}-\big(\frac{11}2\big)^2-38=0\qquad\qquad\qquad\{\big(\frac{11}2\big)^2=\frac{121}4\}\\\\ \big(x+\frac{11}2\big)^2-\frac{121}4-\frac{152}4=0\\\\ \big(x+\frac{11}2\big)^2-\frac{273}4=0\\\\ \big(x+\frac{11}2\big)^2=\frac{273}4[/tex]
[tex]x+\frac{11}2=\pm\frac{\sqrt{365}}2 \\\\x=\frac{-11\pm\sqrt{365}}2[/tex]
Nico dropped the brand new bottle of dog shampoo and 3 ounces spilled out. He measures 1 and one-fourth ounces each time he shampoos his dog and the bottle of shampoo originally contained 30 and one-half ounces. Which is the correct equation and value of x, the number of times Nico can bathe his dog using this one bottle?
1 and one-fourth x minus 3 = 30 and one-half; x = 22 times
1 and one-fourth x + 3 = 30 and one-half; x = 27 times
1 and one-fourth x + 3 = 30 and one-half; x = 22 times
1 and one-fourth x minus 3 = 30 and one-half; x = 27 times
Answer:
B
Step-by-step explanation:
Answer:
The answer is A (1 1/4x -3 = 30 1/2; x = 22 times), i just finished the test on edge 2021, good luck! :)
Select the correct answer from each drop-down menu. Javier purchased a digital camera for $384. The value of the camera depreciates by 25% every year. This situation represents . The rate of growth or decay, r, is equal to . So the value of the camera each year is times the value in the previous year. It will take years for the value of the camera to reach $162.
Answer:
it will take 3 yrs for the value of camera to reach $162.
Step-by-step explanation:
Pd = P(1-R/100)^T
162 = 384(1-25/100)^T
162/384 = (3/4)^T
27/64 = (3/4)^T
(3/4)^3 = (3/4)^T
T = 3
Answer:
this represents: exopnential decay, the rate of growth or decay is equal to: 0.25, value of the camera each year is: 0.75, it will take 3 years.
Step-by-step explanation:
Make sure your answer is in degrees. You should be able to find this without a calculator.
sin-1(sin 17°) = [ ? ]°
[tex]sin^{-1} (sin17^{0} )[/tex] = [tex]17^{0}[/tex]
What Is Sin of Sin Inverse of x?The inverse sine function (also called arcsine) is the inverse of sine function. Since sine of an angle (sine function) is equal to ratio of opposite side and hypotenuse, thus sine inverse of same ratio will give the measure of the angle.
sin ([tex]sin^{-1}x[/tex]) = x, whenever x ∈ [-1, 1] and
sin ([tex]sin^{-1}x[/tex]) is NOT defined whenever x ∉ [-1, 1].
Given
[tex]sin^{-1} (sin17^{0} )[/tex]
Cancel out [tex]sin^{-1}[/tex] and sin
[tex]sin^{-1} (sin17^{0} )[/tex] = [tex]17^{0}[/tex]
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Also willing to give brainliest on this too!! please help, asap !! (theres another part)
(05.02) Mr. Morris is going to save money and replace his sailboat's mainsail himself. He must determine the area of the mainsail in order to buy the correct amount of material. Calculate the area of the parallelogram to determine how much material should be purchased. Be sure to explain how to decompose this shape into rectangles and triangles. Describe their dimensions and show your work.
Answer:
150 ft^2
Step-by-step explanation:
13 × 10 = 130 ft
2 × 10 = 20/2 = 10
10 × 2 = 20 ft
130 + 20 = 150 ft^2
Which expression is used to find the probability of 4 even numbers being rolled on 20 successive rolls of a six-sided die?
Answer:
15/36 (41.667%)
Step-by-step explanation:
soccer ball inflation:
How many pumps will it take to fill the large soccer ball with a circumference of 71 inches? Recall that the amount of air in one pump was about 11 cubic inches.
must show all work and justify work
Answer:
549 pumps
Step-by-step explanation:
We'll begin by calculating the radius of the larger ball. This can be obtained as follow:
Circumference (C) = 71
Pi (π) = 3.14
Radius (r) =?
C = 2πr
71 = 2 × 3.14 × r
71 = 6.28 × r
Divide both side by 6.28
r = 71 / 6.28
r = 11.3 in
Next, we shall determine the volume of the larger ball.
Since a ball is spherical in shape, we shall use the formula for calculating the volume of a sphere to obtain the volume of the ball. This can be obtained as follow:
Pi (π) = 3.14
Radius (r) = 11.3 in
Volume (V) =?
V = 4/3πr³
V = 4/3 × 3.14 × 11.3³
V = 4/3 × 3.14 × 1442.897
V = 6041 in³
Finally, we shall determine the number of pumps will it take to fill the large soccer ball. This can be obtained as follow:
11 in³ = 1 pump
Therefore,
6041 in³ = 6041 in³ × 1 pump / 11 in³
6041 in³ = 549 pumps
Thus, it will take approximately 549 pumps of air to fill the large soccer ball.
Find the surface area of the composite figure.
SA = [ ? ] cm^2
Answer:
644
Step-by-step explanation:
SA=[2×(5×20 + 5×6 + 20×6)] +
[2×(4×12 + 4×6 + 12×6)] -
[ 2× 12×6]
= [2×(250)]+[2×(144)] - [144]
= 500+288-144
= 644 cm²
help will give brainliest if correct
Answer: 32
Step-by-step explanation: the big number is 64 and the smallest number is 32. 64-32=32
PLEASE HELP ME ON THIS QUESTION I DONT GET IT
what is the value of 2x^3+7x^2-19x-6 if the value of x is -1
Answer:
-40
Step-by-step explanation:
Let's input x into all of the slots.
[tex]-2^{2}+-7^{2}+19-6[/tex]
Now, let's solve!
[tex]-4-49+19-6[/tex]
[tex]-40[/tex]
So, the answer is -40!
Please Help
Evaluate the function for the given value of x.
y = 3^x; x = 2
Options:
1. 6
2. 9
3. 5
4. 1
Answer:
9
Step-by-step explanation:
3² = 3 x 3 = 9
PLEASE HELP DUE IN A FEW MINUTES TOO(FOR THE PERSON THIS IS MEANT FOR INSTEAD OF 66 YOU WILL GET 67)
Evaluate these two following angle
Answer:
..
Step-by-step explanation:
for the first one is 40 and d and f are 140
for the second one g is 155 and h is 180
Answer:
Hello!
1st problem: e = 40 d = 140 f = 140
Each of these will add up to 360 degrees so what I did was find the measurements that would accurately add up and thats how i got my answers
2nd problem: g = 155 h = 180
Laura used 12 1/2 square feet of cloth to make 3 dresses. How many square feet of cloth are required to make 12 similar dresses?
Answer:
50 sq ft
Step-by-step explanation:
12.5 sq ft is used to make 3 dresses. Laura will repeat this 4 times since she is making 12 dresses (3x4=12). So, 12.5 x 4 = 50
Therefore, the answer is 50 sq ft.
Hope it help! Don't forget to give me Brainliest!!
Love ya! :)
please help i don’t get this lol
Answer:
sorry i dont know the answer
Step-by-step explanation:
Find the values of m and n
Answer:
34
Step-by-step explanation:
all sides of a triangle add up to 180
What is the value of x? (Type an integer or a decimal.)
Answer:
2.8
Step-by-step explanation:
10× X = 7× 4
X = 7×4/10 = 2.8
-112/3 x (-4 1/5) =?
Answer:
sorry Wala po akong answer ehhh sorry
The first figure is dilated to form the second figure.
Which statement is true?
The scale factor is 0.4.
The scale factor is 0.9.
The scale factor is 2.1.
The scale factor is 2.5.
Answer:
The scale factor is 2.5
Step-by-step explanation:
took k-12 test
Ali has $ 345.50 in his piggy bank. Ahmed has half as many, how many does Ahmed have?
Answer:
$172.75 is the amount Ahmed has