Answers
9514 1404 393
Answer:
B
Step-by-step explanation:
The equation that can be used to solve the system is the one that equates the two expressions for y. (Choice B)
Answer:
The third option
Step-by-step explanation:
One thing that we can do with two equations in a system of equations is add them together. If we do that with these equations, we get
[tex]3x^{5} + 4x^{4} - 5x^{3} + 6x^{3} + 2x^{2} - 10x + 4 - 11 = 2y\\3x^{5} + 4x^{4} + x^{3} + 2x^{2} -10x - 7 = 2y[/tex]
In the addition, I simply combined like terms (where the variable was the same, and the x was to the same degree, e.g. -5x^3 + 6x^3 are both to the third degree, and the result is x^3). If we make y 0, our answer is the third option.
Related Questions
What is the distance between the coordinates (5,5) and (10,2)? Round your
answer to the nearest tenth.
Answers
Answer:
√34
Step-by-step explanation:
√(x2 - x1)² + (y2 - y1)²
√(10 - 5)² + (2 - 5)²
√(5)² + (-3)²
√25 + 9
√34
= 5.8
Ms. Sands purchased 60 boxes of crayon at 1.99 cach.
a. What was the TOTAL cost of the 50 boxes of crayon?
Answer:
Answers
Select the correct answer.
Why does the value of money that you save increase over time?
OA.
because it earns interest
OB
because it is not spent
ОC.
because future value is always greater than present value
Answers
Answer:
maybe it's option 'B' because it earns interest
Classify each triangle as a right triangle or not a right triangle. Have a great day!
Answers
Answer:
This is not a right triangle
Step-by-step explanation:
the bottom and side would have to be equal
In triangle RST, mZR> m_S+ m2T. Which must be true of triangle RST? Check all that apply.
O mzR > 90°
OmZS + m2T < 90°
Om S = m_T
mZR>m_T
mZR > m_S
mzS>m_T
Answers
Answer:
m∠R > 90°
m∠S + m∠T < 90°
m∠R > m∠T
m∠R > m∠S
Step-by-step explanation:
Here, RST is a triangle
Therefore, m∠R+m∠S+m∠T = 180° ⇒ m∠S+m∠T = 180° - m∠R
Given: m∠R > m∠S + m∠T
⇒ - m∠R < - (m∠S + m∠T) (by multiplying -1 on both sides)
⇒ 180° - m∠R < 180° - (m∠S + m∠T) (by adding 180° on both sides)
⇒ m∠S+m∠T < 180° - (m∠S + m∠T)
⇒ m∠S+m∠T+m∠S+m∠T < 180° (by adding m∠S + m∠T on both sides)
⇒ 2(m∠S+m∠T) < 180°
⇒ m∠S+m∠T < 90°
⇒ m∠R > 90° ( because m∠R+m∠S+m∠T=180° )
Again, m∠R > m∠S + m∠T
⇒ m∠R > m∠S and m∠R > m∠T
Thus, Option first, second, fourth and fifth are correct.
Given the function
f (x) = 3x2 + 2x – 5, what is the value of f(10)?
Answers
Answer:
315
Step-by-step explanation:
x = 10, so substitute 10 into the equation!
3(10)² + 2(10) - 5
3(100) + 20 - 5
300 + 20 - 5
315
Use the F-scale measurements of tornadoes listed in the accompanying table. The range of the data is 4.0. Use the range rule of thumb to estimate the value of the standard deviation. Compare the result to the actual standard deviation of the data, 1.0.
3
2
3
2
1
1
0
1
2
3
1
1
1
2
2
2
2
0
1
2
1
0
0
1
0
0
2
0
2
2
1
0
0
0
1
0
1
2
3
2
0
2
2
0
0
0
1
0
0
0
0
0
1
0
0
1
1
0
0
1
0
0
2
0
0
0
0
0
1
2
4
0
1
0
0
0
0
2
2
0
1
1
1
2
1
0
0
2
0
2
0
2
2
2
0
0
4
0
Compare the result to the actual standard deviation.
The estimated standard deviation is________(within 0.5 of, over 0.5 less than, over 0.5 greater than) the actual standard deviation. Thus, the estimated standard deviation_________(is, is not) substantially different from the actual standard deviation.
Answers
Answer:
Within 0.5 of ;
is not ;
Step-by-step explanation:
Given the data:
The actual standard deviation, = 1
;
The range rule of thumb to estimate the value if standard deviation is ;
Estimated standard deviation = Range / 4
The range = (maximum - minimum) values
The estimated standard deviation = 4 / 4 = 1
Hence, the estimated standard deviation is with 0.5 of the actual standard deviation, Thus, the estimated standard deviation is not substantially different from the actual standard deviation.
How much work is done lifting a 35 pound object from the ground to the top of a 25 foot building if the cable used weighs 2.5 pounds per foot
Answers
Answer:
3400 ft-lbs
Step-by-step explanation:
The Workdone in lifting the rope :
Number of feet = x
Distance = 25 feets
2.5x + 35
Taking the integral :
∫2.5x + 35 dx at x = 40
Integrating, we have :
1/2(2.5x² ) + 35x at x = 40
1/2(2.5(40)²) + 35(40)
1/2(4000) + 1400
2000 + 1400
= 3400
Hence, Workdone in lifting the rope = 3400 ft-lbs
Lin's father is paying for a $25 meal. He has a 15%-off coupon for the meal. After the discount, a 8% sales tax is applied.
What does Lin's father pay for the meal?
Solve for 20 points and show work
Answers
first you would find 15% as a decimal
then take the decimal and multiply it by the total amount needed to pay
the find the sales tax percent as a decimal
multiply that decimal by the product found earlier
add the two products found together to get your new total
What is the solution to this equation?
17.56 = 29.01 - 5x
Answers
Answer:
2,29
Step-by-step explanation:
17,56 = 29,01 - 5x
5x = 29,01 - 17,56
5x = 11,45|:5
x = 2,29
Answer:
x =2.29
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
Find the value of N^2 -n. If n=-5
Answers
Algebra
Input -5 into all of the numbers which state "n"
-5^2+5
25+5
30
Please answer this for me!!
Answers
Answer:
$17.95
Step-by-step explanation:
Subtract 6.15 from 60.00
That gives you 53.85
Now divide that by 3
And you get 17.95
Answer:
$17.95
Step-by-step explanation:
d = number of dog pillows
3d + 6.15 = 60
3d = 53.85
d = 17.95
Therefore, each dog pillow cost $17.95.
Calculate the slope of the line that contains the points: (2, -3) and (6, -3)
Answers
Answer:
[tex]\displaystyle m = 0[/tex]
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightAlgebra I
Coordinates (x, y)Slope Formula: [tex]\displaystyle m = \frac{y_2 - y_1}{x_2 - x_1}[/tex]Step-by-step explanation:
Step 1: Define
Identify
Point (2, -3)
Point (6, -3)
Step 2: Find slope m
Simply plug in the 2 coordinates into the slope formula to find slope m
Substitute in points [Slope Formula]: [tex]\displaystyle m = \frac{-3- -3}{6- 2}[/tex][Fraction] Subtract: [tex]\displaystyle m = \frac{0}{4}[/tex][Fraction] Divide: [tex]\displaystyle m = 0[/tex]f(x) = 3x + 4 is y =
Answers
Dalaysia is participating in a walk-a-thon. One sponsor will donate $80 just for entering the race.
Another sponsor will donate $12 for each mile she walks. How many miles should she walk if she
wants to raise exactly $200 from those two sponsors? )
Let m represent the number of miles Dalaysia walks. Write an equation that
represents the number of miles Dalaysia needs to walk to raise exactly $200 from
the two sponsors. 1)
Answers
Answer:
10 miles to earn 200 cash
Steps:
80 + 12m = 200
12m = 200 - 80
12m = 120
12m/12 = 120/12
m = 10
Answer:
200 = 80+12m
10 miles
Step-by-step explanation:
She will get 80 from the first and 12m from the second
She needs 200
200 = 80+12m
Subtract 80 from each side
200 -80 = 12m
120 = 12m
Divide each side by 12
120/12 = m
10 =m
She needs to walk 10 miles
Need this done tonight please help!
Answers
Bonus 6: Find the Total Area 10 11.4 18 1 9 24
Answers
9514 1404 393
Answer:
1328.4 square units
Step-by-step explanation:
The total surface area is the sum of the areas of the trapezoidal bases, and the areas of each of the four rectangular faces.
The area of each trapezoidal base is ...
A = 1/2(b1 +b2)h
A = 1/2(10 +24)(9) = 153 . . . . square units
__
The total area of the four rectangular faces is ...
A = bh . . . . area of one face
A = 11.4(18) +10(18) +11.4(18) +24(18) = (11.4 +10 +11.4 +24)(18) = 1022.4
So, the total area is ...
SA = 2×base area + face area
= 2×153 +1022.4 = 1328.4 . . . . square units
Calculate the volume of the triangular pyramid below.
Answers
Answer:
90
Step-by-step explanation:
1/2x10x3.6=18
18x5=90
the problem has two parts. thank you <3
Answers
Full as shown in the photo Integra
Answers
WHAT IS THIS
AM CONFUSEDDDD
DO YOU NEED HELP WITH HOEMWORK
⚠️❗️⚠️❗️⚠️❗️25 POINTS PLEASE HELP ME FIND THE AREA⚠️❗️⚠️⚠️❗️⚠️❗️
Trolls will be reported
Answers
Answer:
178
Step-by-step explanation:
area of big rectangle : 143
area of small rectangle:20
area of triangle : 15
143+20+15= 178
Which inequality represents all values of x for which the product below is defined ?
Answers
Answer:
x ≥6
Step-by-step explanation:
Given the product:
√(x-6)*√(x+3)
The function has to be defined if x ≥0
Hence;
√(x-6)*√(x+3)≥0
Find the product
√(x-6)(x+3)≥0
Square both sides
(x-6)(x+3)≥0
x-6≥0 and x+3≥0
x≥0+6 and x ≥0 - 3
x ≥6 and x ≥-3
Hence the required inequality is x ≥6
Answer:
B. x>/ 6
Step-by-step explanation:
A P E X
Caroline weighs 41,390,000 milligrams and her baby sister weighs 3,415 grams. What is their total weight in kilograms?
A. 4.4805 kg
B. 448.05 kg
C. 44.805 kg
D. 4480.5 kg
Answers
Answer:
C. 44.805
Step-by-step explanation:
41,390,000 milligrams is 41.39 in kilograms and then 3,415 grams in kilograms is 3.415 so add those up 41.39+ 3.415= 44.805kg
The total weight in kilograms is C. 44.805 kg
What is the unitary method?The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.
Convert mg to kg;
Caroline weighs 41,390,000 mg
1 mg = 0.000001 kg
41,390,000 mg = x
x = 41,390,000 mg × 0.000001 kg
= 41.39 kg
Now, Converting her baby sister's weight to kg
1000g = 1 kg
3415 g = x
Cross Multiply;
1000x = 3415g × 1 kg
x = 3415g × 1 kg/1000
x = 3.415 kg
Therefore, the total weight in kilograms is;
41.39 kg + 3.415 kg
= 44.805 kg
Learn more about the unitary method, please visit the link given below;
https://brainly.com/question/23423168
#SPJ2
Belle will randomly select two cards without replacement what is the probability that both will choose two hearts
Answers
The probability that Belle will select two hearts is 2/15.
To find the probability of Belle selecting two hearts, we need to calculate the probability of selecting a heart on the first draw and then, given that the first card was a heart, the probability of selecting another heart on the second draw.
Total number of cards = 3 (star cards) + 4 (hearts cards) + 3 (spade cards) = 10 cards
Probability of selecting a heart on the first draw = 4 (hearts cards) / 10 (total cards) = 2/5
After selecting a heart on the first draw, there will be 9 cards remaining, with 3 hearts cards left.
Probability of selecting a heart on the second draw, given that the first card was a heart = 3 (hearts cards) / 9 (remaining cards) = 1/3
To find the probability of both events happening (selecting two hearts), we multiply the probabilities:
Probability of selecting two hearts = (2/5) x (1/3) = 2/15
Therefore, the probability that Belle will select two hearts is 2/15.
To learn more about the probability;
brainly.com/question/11234923
#SPJ1
Consider this example on how different a median can be from a sample. Suppose there is a company that mentions the average salary at Company A last year was $ 135,750 per year. Being interested in this you try to investigate this. You discover there are 8 individuals, including the business owner, that works at the company. You discover that the salaries of the 7 individuals are surprisingly low. The salaries of those 7 individuals are $8,000, $8,000, $7,000, $11,000, $15,000, $17,000, and $20,000. You then discover the salary of the business owner to be $1,000,000.
Compare the mean with the median? What does this show?
Find Q1 (first quartile) , Q3 (third quartile) , and Interquartile Range (IQR)?
Are there outliers? Please prove there is an outlier using the Q1-1.5*IQR and Q3 + 1.5*IQR formulas?
Find the 10% trimmed mean of the 8 salaries above. Compare this with the median found in part a.
What do you think represents a more typical salary of the organization above? Would you want to work for this company?
Answers
Answer:
Kindly check explanation
Step-by-step explanation:
Given the data :
8000, 8000, 7000, 11000, 15000, 17000, 20000, 1000000.
Mean = Σx / n = 1086000 / 8 = 135750
Median = 1/2(n+1)th term = 8000
The lower quartile :
Q1 = 1/4(n+1)th term
Q1 = 8000
Q3 = 3/4 (n+1)th term
Q3 = 18500
IQR = 18500 - 8000 = 10500
OUTLIER :
8000 - (1.5*(10500)) = - 7750
18500 + (1.5*(10500)) = 34250
10% trimmed mean
10% * 8
Cut off 1 from the top and bottom
Data becomes : 8000, 8000, 11000, 15000, 17000, 20000
Trimmed mean = 13166
2. Find the mean number of tornadoes
per year.
Basically i need to find the median of one number. Does anyone know the median of 44? Thx
Answers
A bakery sells cakes, cookies, and pastries. They wonder if customers are equally likely to buy each product. They take a sample of 200 recent purchases and record what was purchased (they are willing to treat this as a random sample). Here are the results
Product Cakes Cookies Pastries
Observed purchases 65 68 67
They want to perform a x^2 goodness-of-fit test to determine if these results suggest that one type of product is more popular than the others. What is the expected count of cake purchases?
Answers
Answer:
66.667 cakes
Step-by-step explanation:
The expected count or value in a goodness of fit test is the product of the expected percentage and the total count or sample size.
Since the samples are being treated as a random sample, hence, the expected percentage of each of cake, pastries and cookies is the same.
The expected count of cakes is :
100/3 % * sample size
33.3333% * 200
= 66.667 cakes
Please help is for now
Answers
Answer:
3 is write I've told to sir and he told write
calculate the volume of each cone. Use 3.14 for π. Round the answer to the nearest hundredth if necessary.
Answers
Hi there!
»»————- ★ ————-««
I believe your answer is:
[tex]113.04\text{in}^3[/tex]
»»————- ★ ————-««
Here’s why:
⸻⸻⸻⸻
[tex]\boexd{\text{The Volume of a Cone is...}}\\\\V=\pi r^2\frac{h}{3}\\\\\boxed{\text{Key:}}\\\\r - \text{radius}\\h- \text{height}[/tex]
⸻⸻⸻⸻
[tex]\boxed{\text{Calculating the Volume:}}\\\\V = (3.14)6^2\frac{3}{3}\\\\V=(3.14)36\frac{3}{3}\\\\V=\boxed{113.04}[/tex]
⸻⸻⸻⸻
»»————- ★ ————-««
Hope this helps you. I apologize if it’s incorrect.
Help me please :(((((
Answers
Answer:
Step-by-step explanation:
[tex]\frac{-2}{3}[/tex]n=12
-2n=12*3
n=36/-2
n=-18