Answers
Related Questions
If a quadrilateral is a rectangle, then it is a rhombus ( True or False )
Answers
Answer:
true
Step-by-step explanation:
there are four angels
Adult tickets for the school musical are sold for $3.50 and student tickets are sold for $2.50 on a given night 425 tickets were sold for $ 1237.50. Wrote a system of linear equations for the problem
Answers
Answer:
3.5x + 2.50y = 1237.50
425 = x + y
Step-by-step explanation:
number of adult tickets: x
number of student tickets: y
3.5x + 2.50y = 1237.50
( value of adult ticket [3.50]* number of adult tickets [x]) + (value of student ticket [2.50] * number of student tickets [y]) = total value (1237.50)
425 = x + y
(number of adult tickets [x]) + (number of student tickets [y]) = total (425)
x and y are two non-zero real numbers such that: x²-y²=15 and x+y=3√5. then x-y=
A. √15
B. √5
C. -3√5
Answers
Answer:
[tex](x-y)=\sqrt{5}[/tex]
Step-by-step explanation:
[tex]We\ are\ given\ that:\\x^2-y^2=15\\x+y=3 \sqrt{5}\\Now,\\We\ know\ that,\\If\ x\ and\ y\ are\ two\ real\ numbers,\\Then:\\(x+y)(x-y)=x^2-y^2\\Here,\\Substituting\ (x+y)=3\sqrt{5}\ in\ the\ LHS\ and\ (x^2-y^2)=15\ in\ the\ RHS,\\(x+y)(x-y)=x^2-y^2\\3\sqrt{5} (x-y)= 15\\Hence,\\(x-y)=\frac{15}{3\sqrt{5} } \\(x-y)=\frac{5*3}{3\sqrt{5} }\\(x-y)=\frac{5}{\sqrt{5} } [Cancelling\ 3\ from\ the\ numerator\ and\ denominator]\\(x-y)=\frac{\sqrt{5}*\sqrt{5} }{\sqrt{5} }\\(x-y)=\sqrt{5}[/tex]
what is the value of the ( m ) in the equation 5 + m = 7
Answers
Answer: 2
Step-by-step explanation:
yeah
[tex]4 \frac{1}{9} + 1 \frac{1}{2} [/tex]
[tex]4 \frac{1}{2} \div \frac{3}{5} [/tex]
need help please
Answers
Step-by-step explanation:
[tex] \tt{ 1. \: \: 4 \frac{1}{9} + 1 \frac{1}{2}}[/tex]
⇢ [tex] \tt{ \frac{37}{9} + \frac{3}{2} }[/tex]
⇢ [tex] \tt{ \frac{37 \times 2 + 3 \times 9}{18} }[/tex]
⇢ [tex] \tt{ \frac{74 + 27}{18} }[/tex]
⇢ [tex] \tt{ \frac{101}{18}} [/tex]
⇢ [tex] \boxed{ \tt{5 \frac{11}{18}} }[/tex]
---------------------------------------------------------
[tex] \tt{ \: 2. \: \: 4 \frac{1}{2} \div \frac{3}{5}}[/tex]
⇢ [tex] \tt{ \frac{9}{2} \times \frac{5}{3}} [/tex]
⇢ [tex] \tt{ \frac{9 \times 5}{2 \times 3}} [/tex]
⇢ [tex] \tt{ \frac{45}{6}} [/tex]
⇢ [tex] \boxed{ \tt{7 \frac{3}{6}} }[/tex]
Hope I helped ! ♡
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what is the least common denominator of the rational expressions below? 1/x^2-4/3x^2+15
Answers
Answer:
3x^2(x+5)
Step-by-step explanation:
What is the perimeter of a square with a length of 19 meters?
Answers
Answer:
76 m
Step-by-step explanation:
If each side has a length of 19 m, then the perimeter is 19m*4 = 76 m
PLS HELP ILL GIVE BRAINLIEST AND EVERYTHING ELSEE
Which model is equivalent to 4(2x +4)?
Answers
Answer:
option 4 should be the correct answer
Please help me with this brainly
Answers
it's C because the floor area is 120 square feet and the walls are 8 feet so if you multiply 120 × 8 you get 960.
Which of the following is the equation of a line that has a slope of 5 passes through the point (-3, 7)?
Answers
Answer:
y - 7 = m(x + 3)
Step-by-step explanation:
Apply the point-slope formula: y - k = m(x - h)
Then we have y - 7 = m(x + 3)
Jody packs:
2 skirts
3 pairs of pants
4 pairs of shorts
for her vacation.
What is the ratio of shorts to pants?
1Points
A
3:4
B
3:9
C
4:3
D
4:9
Answers
Answer:
C
Step-by-step explanation:
srslly its easy just look at it
A family purchased tickets to a museum and spent a total of $38.00. The family purchased 4 tickets. There was $1.50 processing fee for each ticket
Answers
Answer:
38/1.50x4=101.33...
Step-by-step explanation:
Answer:
The answer is 8
Step-by-step explanation:
Which of the following statements are true about inverse matrices?
All square matrices have inverses.
If A and B are inverse matrices, then A and B must be square matrices.
The determinant of a singular matrix is equal to zero.
If A and B are inverse matrices, then A + B = I.
If A and B are inverse matrices, then det(A)xde(B)=0
Any zero matrix does not have an inverse.
If B = A–1, then A = B–1.
Answers
B = A–1, then A = B–1. This statement is true. The inverse of a matrix is unique, so if B is the inverse of A, then A must be the inverse of B.
what is matrix ?An arrangement of integers in both columns and rows is known as a matrix. learns about matrices' components and dimensions and first presents them. A matrix is a rectangular grid with integers arranged in rows and columns.
The statements that are true about inverse matrices are:
Not all square matrices have inverses. A square matrix only has an inverse if its determinant is not equal to zero. If the determinant of a square matrix is zero, it is called a singular matrix and does not have an inverse.
If A and B are inverse matrices, then A and B must be square matrices. This is because only square matrices can have inverses.
The determinant of a singular matrix is equal to zero. This is because the determinant of a matrix is related to the linear independence of its columns or rows. A singular matrix has linearly dependent columns or rows, which means its determinant is zero.
If A and B are inverse matrices, then A + B = I. This is not necessarily true. In general, the sum of two inverse matrices is not necessarily the identity matrix.
If A and B are inverse matrices, then det(A) x det(B) = 1. This statement is almost true, but the correct statement is det(A) x det(B) = det(AB) = 1.
Any zero matrix does not have an inverse. This is because the determinant of a zero matrix is zero, and therefore it is singular and does not have an inverse.
If B = A–1, then A = B–1. This statement is true. The inverse of a matrix is unique, so if B is the inverse of A, then A must be the inverse of B.
To know more about matrix visit:
https://brainly.com/question/29995229
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Answer: B,C,E,F,G
Step-by-step explanation:
I already did questions but I need help with the rest
Include your scatter plot and the answers to the following questions in your word processing document.
1. Which variable did you plot on the x-axis, and which variable did you plot on the y-axis? Explain why you assigned the variables in that way.
2. Write the equation of the line of best fit using the slope-intercept formula $y = mx + b$. Show all your work, including the points used to
determine the slope and how the equation was determined,
3. What does the slope of the line represent within the context of your graph? What does the y-intercept represent?
4. Test the residuals of two other points to determine how well the line of best fit models the data
5. Use the line of best fit to help you to describe the data correlation.
6. Using the line of best fit that you found in Part Three, Question 2, approximate how tall is a person whose arm span is 66 inches?
7. According to your line of best fit, what is the arm span of a 74-inch-tall person?
Answers
Answer:
ok so 6 is connected to question 2, question 4 is asking two other points to determine how it will fit best in the models, question 5 use the line of the best fit to help u describe the data correlation, and question 7 it is jus asking wht the arm span of a 74inch tall person so jus figure the arm span yk (hope this helps)
Step-by-step explanation:
solve the inequality 31< 3x+4
Answers
Answer:
The solution of the given inequality x>9
Step-by-step explanation:
Explanation:-
Given that the inequality 31 < 3 x + 4
Subtracting '4' on both sides, we get
31 - 4 < 3 x + 4 -4
⇒ 2 7 < 3 x
Dividing '3' on both sides, we get
⇒ 9 < x
x > 9
I had 13 dollars. My mom gave me 10 dollars. My dad gave me 30 dollars. My Aunt, My Uncle, and Grandma gave me 100 dollars. I had another 7 dollars. How much did I have?
Answers
Answer:
370
13+10+30+100+100+100+7=370
A circle has a radius of 4in what is the area of the circle?
Answers
Answer:
A≈50.27in²Step-by-step explanation:
A=πr2=π·42≈50.26548in²
I hope it's help
Answer:
50.24
Step-by-step explanation: 1
C = 4 inches
4 in x 2 = 8
8 x 3.14 = 25.12
Step-by-step explanation: 2
C = 2 x 8 = 16
16 x 3.14 = 50.24
~Hope this helps!
~Hocus Pocus
What is the vertex of the graph
Answers
Find the y intercept of the following equation. simplify your answer.
Answers
Answer:
b, the y-intercept, is 1
Step-by-step explanation:
Compare the given y = 4x + 1 to
y = mx + b
We see immediately that b, the y-intercept, is 1.
Find the perimeter and area of this shape
Answers
[tex] \boxed{ \sf{Area \: = 57 \: {cm}^{2} }}[/tex]
[tex] \boxed{ \sf{Perimeter = 34 \: cm}}[/tex]
See workings in the attached picture !
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5. Which two parts of the house have the
same area?
Answers
Answer:
Probably the floor and the roof
Step-by-step explanation:
please help i would really appreciate it !!.
Answers
What is 530,000,000 divided by 15 million?
Answers
Answer:
Step-by-step explanation:
35.3333333333
What is the exact value of x? 5⋅21^5x=16
Answers
Answer:
x= 16 /20420505
Step-by-step explanation:
Let's solve your equation step-by-step.
5(215)x=16
Step 1: Simplify both sides of the equation.
20420505x=16
Step 2: Divide both sides by 20420505.
20420505x /20420505 = 16 /20420505
x= 16 /20420505
A full glass of water can hold 1/6 of a bottle.
How many glasses of water can be filled with 3 1/2. bottles of water?
Answers
Answer:
21 glasses
Step-by-step explanation:
6 glasses in a bottle
3 x 6 = 18
3 glasses in half a bottle
18 + 3 = 21
Answer:
21 glasses
Step-by-step explanation:
let 'g' = glasses of water
create a proportion, glasses over bottles equals glasses over bottles
1 = g
1/6 7/2
cross-multiply: 1/6g = 7/2
cross-multiply: 2g = 42
g = 21
The temperature in Portland, Oregon,
is 37°F. The temperature in Mobile,
Alabama, is 22°C. In which city is
the temperature higher?
Answers
Answer:
I think 22°C
Step-by-step explanation:
Please help!!
Will mark brainliest
Answers
Answer:
y=+2
Step-by-step explanation:
Every advancement in boxes, gives 2 to the next box. the rate of change would be 2/1
Daniel works for 3 hours one day he gets paid $6 an hour.
Answers
what is 7 + 7[tex]x^{2}[/tex]
Answers
Hope this helps
HOW DO YOU GET THE ANSWER FOR NUMBER 2
Answers
Answer:
44.68
Step-by-step explanation:
just add them