Answer:
Emma and Maas and other people
solve the system by substitution y+X=3 2y+x=-5
Answer:
Step-by-step explanation:
We have the system:
y+x=3
2y+x=-5
the question asks us to solve by substitution..
Let's subtract y from both sides of the first equation
y+x=3
-y -y
x=3-y
now, let's substitute 3-y as x into the second equation
2y+3-y=-5
combine like terms
y+3=-5
subtract 3 from both sides
y=-8
so the value of y is -8
now let's use that information to solve for x; we know that x is 3-y, so let's substitute the value of y to find x
x=3-y
x=3--8
x=11
the value of x is 11
as a point, your answer is (11,-8)
Hope this helps! :D
Tia, Veronica, Pam, and Lily are sisters. Tia is 8 years old and she is 2 years older than Pam. Pam is 5 years younger than Veronica and Veronica is 4 years younger then Lily. Which list has the sisters in order from youngest to oldest?
Answer:
Pam 6
Tia 8
Veronica 11
Lily 15
Step-by-step explanation:
Tia's age = 8
Pam's age = Tia's age - 2
8 - 2 = 6
Veronica = pam's age + 5
6 + 5 = 11
Lily's age = veronica's age + 4
11 + 4 = 15
What is the IQR for the following set of data
17, 11, 12, 18, 12, 16, 15, 14, 13
Answer:
First, we have to set it from least to greatest 11, 12, 12, 13, 14, 15, 16, 17, 18
The interqurtile range is q3 - q1
Q3 is 16.5 and the q1 is 12
16.5 - 12 = 4.5
Step-by-step explanation:
Answer is 4.5
Interquartile range (IQR) :
The interquartile range shows the range in values of the central 50% of the data. To find the interquartile range, subtract the value of the lower quartile ( or 25%) from the value of the upper quartile ( or 75%).
=> IQR = Q3 – Q1
Here,
First Arrange the data in ascending order.
11, 12, 12, 13, 14, 15, 16, 17, 18
Median = 14.
Q1 = 12 and Q3 = 16.5
IQR = Q3 - Q1 => 16.5 - 12 = 4.5
Answer is 4.5
Learn more about Interquartile range here:
https://brainly.com/question/16311086?referrer=searchResults
#SPJ2
Which postulate, if any can be used to prove the triangles congruent
Answer:
sss
Step-by-step explanation:
please help me i need it
Answer:
n umber 3 is b and 4 is d
Step-by-step explanation:
hi did i even send this
Answer:
A
Step-by-step explanation:
If we plug in the values for A and B we get 9(1/3^2)+3(5)-10. Then using simple math and order of operations, we get 6.
13.2 inches is 27.5% of what number?
Answer:
48
My explanations is:
13.2:27.5*100 =
(13.2*100):27.5 =
1320:27.5 = 48
HELP ASAP!!!
Grocery wants to build a warehouse that is equidistant from its three stores L, M, and N. Which construction correctly finds the best location of the warehouse?
ONLY ANSWER WITH LOGIC REASONING AND NOT FOR POINTS please.
The probability that comic book reader in a particular city prefers comics published by company A is 25%. The probability that comic book reader in the city's is male 70%
Complete question is;
The probability that a comic book reader in a particular city prefers comics published by Company A is 25%. The probability that a comic book reader in the city is male is 70%. If the probability of a comic book reader in the city being a male, given that the reader prefers Company A's comics, is 40%, what is the probability of the reader preferring Company A's comics, given that the reader is a male?
Answer:
0.14 or 14%
Step-by-step explanation:
We are told that the probability that the comic book readers prefers comics published by company A is 25%.
Thus; P(A) = 25% = 0.25
Also, we are told that the probability that comic book reader is male 70%.
Thus; P(M_r) = 70% = 0.7
We are also told that the probability of a comic book reader being a male, provided that the reader prefers Company A's comics, is 40%.
Thus; P(A|M_r) = 40% = 0.4
To find the probability of the reader preferring Company A's comics, provided that the reader is a male, we will apply baye's theorem.
Thus;
P(M_r|A) = [P(A|M_r) × P(A)]/P(M)
P(M_r|A) = (0.4 × 0.25)/0.7
P(M_r|A) ≈ 0.14
Pedro is building a playground in the shape of a right triangle. He wants to know the area of the playground to help him decide how much sand to buy. Compose the playground and a matching triangle into a rectangle. What are the dimensions of the rectangle? Find the area of the playground. A right triangle has a horizontal base of length 6 yards and a height of 3 and one third yards.
Answer:
Dimensions of rectangle:
Length =6 yards
Width=3 1/3 yards
Area of right triangle = 10 yd^2
Step-by-step explanation:
The right triangle has base as 6 yards and height as 3 1/3 of yards.
When we match this triangle with another right triangle to make the rectangle is another right triangle with sides 6 yards and 3 1/3 yards.
I'll upload the file for work.
Select the correct answer.
Which of these is the standard form of the following function?
f(1) = 7(1 - 1)2 + 3
OA. f(x) = 7x2 14r + 10
OB. f(x)
7x2 14 - 10
O c. f(0) = -7x2 14r + 10
OD. f(x) = -732 – 141 – 10
Reset
Next
Answer:
answer is: 7x^2-14x+10
Step-by-step explanation:
Last week, the daily low temperatures for a city, in degrees Celsius, were 5, 8, 6, 5, 10, 7, and 1. What was the average low temperature?
degrees Celsius
Cody starts the month of April with 5 action figures. Each month, he collects an additional 3 action figures.
Write an equation (in slope-intercept form) that matches Cody's situation.
Group of answer choices
y = 3x + 5
y = 5x + 3
y = 3x - 5
y = 5x - 3
Answer:
y= 3x + 5
Step-by-step explanation:
The +5 represents the starting 5 action figures, and the 3x represents the 3 action figures he collects each month.
Find the length of the third side. If necessary, write in simplest radical form. 10 6
Step-by-step explanation:
10²+6²
100+36=136
square root of 136
enter the value for x that makes the equation, 4(x - 4) = 12x + 16 true.
Answer:
False your answer will 4x-16
Step-by-step explanation:
you have to distribute 4 to x and 4 to 4. so you will do 4*x=4x and 4*4=16. Now you still have the subtraction sign so your answer will be 4x-16.
A seagull is flying 11 meters above the water. Directly below the bird, a fish is swimming 31 meters under the surface. What is the total difference in distance between the bird and the fish? A 11 B 20 C 31 D 42
Answer: D. 42 meters
Step-by-step explanation:
In calculating the distance between the seagull and the fish, you need to add their distances from sea level as this shows their distance from the sea and then from each other:
Seagull is 11 meters above the water
Fish is 31 meters below the water
Total difference
= Fish + Seagull
= 31 + 11
= 42 meters
help help help help help help help help
I believe the answer is (3,4)
Which quadratic function in vertex form can be represented by the graph that has a vertex 3.-7) and posses
through the point (1.-10)
A-y=3/4(x+3)^2+7
B-y=-3/4(x+3)^2-7
C-y=3/4(x-3)^2+7
D-y=-3/4(x-3)^2-7
Answer:D
Step-by-step explanation:
Please help!
(2/5x +5) - (1/5x - 3)
Answer:
2x over 5 + 8 + -x over 5
Step-by-step explanation:
I dont know if this is what youre looking for but hope it helps!
Answer:
1/5x + 8
Step-by-step explanation:
Let's simplify step-by-step.
2/5x + 5 − (1/5x − 3)
Distribute the Negative Sign:
= 2/5x + 5 + −1( 1/5x −3)
= 2/5x + 5 + −1 (1/5x) + (−1) (−3)
= 2/5x + 5 + −1/5x + 3
Combine Like Terms:
= 2/5x + 5 + −1/5x + 3 = (2/5x + −1/5x) + (5 + 3)
= 1/5x + 8
Answer:
= 1/5x + 8
hope this helps. p.s. i really need brainliest :)
Item 56
Question 1
You answer 24 questions on a 100-point test correctly and earn a 96%.
a. All of the questions are worth the same number of points. How many questions are on the test? How many points is each question worth?
There are
questions on the test.
Each question is worth
points.
Question 2
b. Your friend earns a grade of 76% on the same test. How many questions
did your friend answer correctly?
Your friend answered
questions correctly.
Answer:
a 25 questions, 4 points b 19 questions
Step-by-step explanation:
a 96:100 = 24 : x
x = (100 x 24)/96 = 25 questions
100 : 25 = 4 points
b 76:100 = x : 25
x = (76 x 25)/100 = 19 questions
Answer:
Question 1:
There are 25 questions on the test.
Each question is worth 4 marks each.
Question 2:
Your friend answered 19 questions correctly
Step-by-step explanation:
Question 1:
question answered = 24
percent earned = 96%
total number of points = 100%
[tex]\frac{questions answered }{percentage earned}[/tex] x 100
[tex]\frac{24}{96}[/tex] x 100 ⇒ 0.25 x 100 ⇒ 25
there are 25 questions on the test
[tex]\frac{100}{25} = 4[/tex]
each question is 4 marks each
Question 2:
percent earned by your friend = 76%
(percent earned by your friend x total number of question) ÷ 100
76 x 25 ÷ 100
1900 ÷ 100
= 19
Someone plz give me a right answer now
Answer:
[tex] \sqrt{b {}^{2} + (c - a) {}^{2} } [/tex]
Please help (I keep getting links-)
What is the equation of the line in slope intercept form?
Write your answer using integers, proper fractions, and improper fractions in simplest form.
Answer:
y = -x
Step-by-step explanation:
(0, 0) and ( -100, 100)
m= (y2-y1)/(x2-x1)
m=(100-0)/( -100 -0)
m = 100/ -100
m = -1
y - y1 = m(x - x1)
y - 0 = -1(x - 0)
y - 0 = -x + 0
y = -x
solve the equation :)
2 sin^2 (x) + 3 sin (x) + 1 = 0
help me find the solution
Answer:
Step-by-step explanation:
\[2~ sin^2 x+3sin x+1=0\]
\[2sin^2x+2sin x+sin x+1=0\]
2sinx(sin x+1)+1(sin x+1)=0
(sin x+1)(2 sin x+1)=0
either sin x+1=0
sin x=-1=sin 3π/2=sin (2nπ+3π/2)
x=2nπ+3π/2,where n is an integer.
or 2sin x+1=0
sin x=-1/2=-sin π/6=sin (π+π/6),sin (2π-π/6)=sin (2nπ+7π/6),sin (2nπ+11π/6)
x=2nπ+7π/6,2nπ+11π/6,
where n is an integer.
Keiko deposits $3000 into an account that pays simple interest at a rate of 2% per year. How much interest will she be paid in the first 5 years?
Answer:
Step-by-step explanation:
Simple interest is not compounded and is
I=Prt (where I=interest, P=principle, r=rate, t=time)
I=3000(.02)5
I=$300
What is the perimeter of the track, in meters?
Use π = 3.14 and round to the nearest hundredth of a meter.
Answer:
I believe the answer is 426.08 meters.
Step-by-step explanation:
To find the perimeter, break the shape into a rectangle and two semicircles. As two semicircles make one circle, you can do 72×3.14 to get 226.08. Then, add the length of the rectangle. 100+100=200. Finally, do 226.08+200 to get your answer.
I hope this helped!
Converting 165 pounds to the metric system results in a weight of
Answer:
74.8 kilo
Step-by-step explanation:
What are all the values of r where the function.....
Please help ASAP!!!
Evaluate 5x22– 4 when x = 3
Answer:
18
Step-by-step explanation:
A. The number of dollars is always more than the number of dimes.
B. The number of dimes will always be an even number.
C. The number of dollars must be even to follow the rule.
D. The number of dimes will always be less than the number of dollars.
Answer:
B. the number of dimes will always be an even number
