Determine the number of solutions of the system.
y = 2x - 1
y = -2x + 3
(Solving equations by addition)
Can somebody plz help answer these questions like what to solve it. Thanks :D
WILL MARK BRAINLIEST WHOEVER ANSWERS FIRST
I need help on my warm up!! pls thx!
Step-by-step explanation:
[tex] \tt{30.16 = 17.56 + 5x} [/tex]
Swap the sides of the equation :
⤑ [tex] \tt{17.56 + 5x = 30.16}[/tex]
We want to remove the 17.56 first.
Since the original equation is 17.56 , we are going to use the opposite operation and subtract 17.56 from both sides :
⤑ [tex] \tt{5x + 17.56 - 17.56 = 30.16 - 17.56}[/tex]
Simplify. 17.56 - 17.56 = 0 on the left. 30.16 - 17.36 = 12.6 on the right.
⤑ [tex] \tt{5x = 12.6}[/tex]
Then, we need to think about how to remove the coefficient 5. Since the opposite of multiplication is division , I am going to divide both sides by 5.
⤑ [tex] \tt{ \frac{5x}{5} = \frac{12.6}{5}} [/tex]
Simplify. 5/5 = 1 on the left and 12.6/5 = 2.52 on the right. So, Our answer is x = 2.52.
[tex] \pink{ \boxed{ \boxed { \tt{Our \: final \: answer : \underline{ \underline{ \bold{ \tt{x = 2.52}}}}}}}}[/tex]
Hope I helped ! ♡
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what is the area of 17.3 feet , 13.4 feet and 10.7 feet
Answer:
2480.475
Step-by-step explanation:
just do the length times width times the height
Please in need the answer fast
Factor -5b – 5c.
5(b + c)
5(b – c)
-5(b – c)
-5(b + c)
i need help. can anybody help me
Answer:
positive 1/2
Step-by-step explanation:
Answer:
0.5
Step-by-step explanation:
3-2/0-2= 0.5
10. A medium pizza at Danny's Pizza costs $13.60 plus $2.50 for each topping. At Nicki's Pizza, a medium pizza costs $14.60 plus $2 for each topping. Which statement is true regarding the price of a medium pizza at the two pizza restaurants?
Answer:
D
Step-by-step explanation:
HURRY I NEED HELP!!!!!!!!!!!!
A container in the shape of a pyramid has a rectangular base with dimensions of 5 inches by 15 inches. The height of the rectangular pyramid is 12 inches. Marbles fill half the volume of the container. How many more cubic inches of marbles are needed to finish filling the container?Enter your answer in the box.
{ }in3
Answer:
First you find the volume of the pyramid:
1. find the area of the base:
A= 15 x 5= 75
2. Multiply the Area of the rectangle by the height; h= 12 and si use the result by 3.
V= A x h /3 =. 75 x 12 = 900 /3
V= 300
3. If only 1/2 is filled, that means
V= 300/2= 150 in3 is filled and
150 in3 of marbles is needed to fill the container.
Answer: 150
Step-by-step explanation:
I need help please i
Answer:
5
Step-by-step explanation:
the answer is somewhere by 5
Find the 75th term of the arithmetic sequence -17, -13, -9....
Answer:
The 75th term of the arithmetic sequence -17, -13, -9.... is:
[tex]a_{75}=279[/tex]
Step-by-step explanation:
Given the sequence
[tex]-17, -13, -9....[/tex]
An arithmetic sequence has a constant difference 'd' and is defined by
[tex]a_n=a_1+\left(n-1\right)d[/tex]
computing the differences of all the adjacent terms
[tex]-13-\left(-17\right)=4,\:\quad \:-9-\left(-13\right)=4[/tex]
The difference between all the adjacent terms is the same and equal to
[tex]d=4[/tex]
The first element of the sequence is:
[tex]a_1=-17[/tex]
now substitute [tex]d=4[/tex] and [tex]a_1=-17[/tex] in the nth term of the sequence
[tex]a_n=a_1+\left(n-1\right)d[/tex]
[tex]a_n=4\left(n-1\right)-17[/tex]
[tex]a_n=4n-21[/tex]
Now, substitute n = 75 in the [tex]a_n=4n-21[/tex] sequence to determine the 75th sequence
[tex]a_n=4n-21[/tex]
[tex]a_{75}=4\left(75\right)-21[/tex]
[tex]a_{75}=300-21[/tex]
[tex]a_{75}=279[/tex]
Therefore, the 75th term of the arithmetic sequence -17, -13, -9.... is:
[tex]a_{75}=279[/tex]
A linear relationship that is proportional goes through the ?
Answer:
origin
Step-by-step explanation:
A directly proportional linear relationship will always go through the origin (0,0).
Answer:
it goes throught the origin.
Step-by-step explanation:
A non-proportional graph is a straight line that does not go through the origin.
Do you agree with the statement that " cubic functions must have at least 1 x-intercept but not more than 3, whereas quadratic functions may or may not have x-intercepts
Answer:
Yes, I agree
Step-by-step explanation:
For the cubic function
A cubic function is represented as:
[tex]f(x)=ax^3+bx^2+cx+d[/tex]
A cubic function may have 1, 2 or 3 x intercepts. This is shown below
For 3 x intercepts
[tex]y = x^3 - x[/tex]
Equate y to 0
[tex]x^3 - x = 0[/tex]
Expand
[tex]x(x^2 - 1) = 0[/tex]
Express [tex]x^2 - 1[/tex] as difference of two squares
[tex]x(x - 1)(x +1 ) = 0[/tex]
x = 0 or 1 or -1
For 2 x intercepts
[tex]y = x^3 - x[/tex]
[tex]y =(x-5)^2)(x+7)[/tex]
Equate y to 0
[tex](x-5)^2(x+7) = 0[/tex]
Expand
[tex](x-5)(x-5)(x+7) = 0[/tex]
x= 5 or x = -7
For 1 x intercept
[tex]y = x^3[/tex]
Equate y to 0
[tex]x^3 = 0[/tex]
Take cube roots of both sides
[tex]x = 0[/tex]
It has been shown above that a cubic function may have 1, 2 or 3.
So, I agree to the statement
For the quadratic function
A quadratic function will not have any x intercept when the function can not be factorized;
E.g.
[tex]y = x^2 + x + 17[/tex]
The above function has no x intercept.
A quadratic function will have at least 1 x intercept when the function can be factorized;
E.g.
[tex]y = x^2- 6x + 9[/tex]
Equate y to 0
[tex]x^2- 6x + 9 = 0[/tex]
Expand
[tex]x^2 - 3x - 3x + 9 = 0[/tex]
[tex](x - 3)(x-3) = 0[/tex]
[tex]x = 3[/tex]
We've shown that a quadratic may have no x intercept, and it may also have x intercept(s)
Hence, I agree to both statement
help asap i will brainlist
Answer:
8-3n
The way you know is 8 is the hidden word....
in there and it say 3 times nathans...
So you will take n and times it bye 3..
by doing 3n so 8-3n is your anwser...
Pwease Mark me Brainliest TY OwO
Find the value of x. Please respond ASAP
Answer:
I think its c but im not sure
Please help!! Help.
Step-by-step explanation:
1. Cosine
2. Relationship is Cos = adj/hyp
3. x is 14
4. The hypotenuse of the triangle is 14cm long
What is the value of x?
Enter your answer in the box.
x =
in.
Answer:
15 I think
Step-by-step explanation:
Pls dont quote that tho sry
Match each system of equations to its solution represented by an augmented matrix.
Answer:
Step-by-step explanation:
If you have a full carton of orange juice and pour some into your glass for breakfast leaving 75% of
the original amount. What is the fraction representing what is left in the carton?
Your cousin borrows $1125 to repair her car. The simple annual interest rate is 10%. She makes equal monthly payments of $25. How many years will it take to pay off the loan? (PLSSS HELP)
Answer:
Step-by-step explanation:
Your cousin borrows $1125 to repair her car. The simple annual interest rate is 10%. She makes equal monthly payments of $25. How many years will it take to pay off the loan? (PLSSS HELP)
Given data
P=$1125
R=10%= 0.1
I= $25
We know that
I=PRT
Roman and Ranjan each divided 3.56 by 0.72. Roman got 4.94 for his quotient. Ranjan got 0.04 for his quotient. Which student divided correctly? How do you know? P 7•3
Answer:
Step-by-step explanation:
It’s Roman if you do the math you will get 4.94
How would you know
When doing the math i got the answer 4.94 which that mean ranjan divide wrong
Write the equation of
the circle with diameter
endpoints of (17,-3) and
(-13, 3).
The equation of the described circle is:
(x - 2)² + y² = 234
How to write the circle equation?Remember that the equation for a circle whose center is (a, b) and has a radius R, is:
(x - a)² + (y - b)² = R²
Here the endpoints of the diameter are (17,-3) and (-13, 3), then the center is at:
( [17 - 13]/2, (-3 + 3)/2)
(2, 0)
And the radius is the distance between the center and any of these points:
R = √( (2 - 17)² + (0 + 3)²)
R = √234
Then the equation is:
(x - 2)² + (y - 0)² = √234²
(x - 2)² + y² = 234
LEarn more about circles at:
https://brainly.com/question/1559324
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PLS HELP THIS IS VERY URGENT!!!! i really need help on this!! I need to turn this in very soon. i would appreciate your help.
:)
#13 and 17.
Answer:
17= 2/3
13,,,a=> (5x+5) (x+3)
Step-by-step explanation:
.........................
Forgive me if wrong
Leandro wants to estimate the proportion of light bulbs that arrive broken upon shipment to his store. He
takes a random sample of 500 bulbs and finds that 25 arrived broken. He's willing to assume independence
between bulbs in the sample.
Answer:0.05+1.645v0.05(0.95)/500
Step-by-step explanation:
Find the value of x. Then classify the triangle by its angles.
Can someone please give me the answer to this problem
the first person who answers with the correct answer i will give them a brainliest.
I need the answer ASAP!!!!!!!!!!
Answer:
25 volume is answer of your question
Answer:
V=7065in³
Step-by-step explanation:
Radius is marked as 15, sub in 15 for r.
We are told to use 3.14 for π.
V=((4/3)πr³)/2
V=((4/3)(3.14)(15³))/2
V=((4/3)*3.14*3375)/2
V=14130/2
V=7065in³
1. Find the slope. Make sure to reduce.
Answer:
1/2
Step-by-step explanation:
Rise/run
What is 62% written as a decimal?
Answer:
62% = 0.62 in decimal form. Percent means 'per 100'. So, 62% means 62 per 100 or simply 62/100. If you divide 62 by 100, you'll get 0.62 (a decimal number).
The decimal of 62% is 0.62
What is Percentage?To determine the quantity or percentage of something in terms of 100, use the percentage formula. Per cent simply means one in a hundred. With the percentage formula, a number between 0 and 1 can be expressed. A number that is expressed as a fraction of 100 is what it is. It is mostly used to compare and determine ratios and is represented by the symbol %.
Given:
We have to change 62% in decimal.
As, 62%
= 62/100
And, the number of zeroes in denominator decimals where to put the decimal.
so, 62/100
= 0.62
Learn more about Percentage here:
https://brainly.com/question/29306119
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A family eats at a restaurant. The bill, including tax, is $45. The family then leaves a 20% tip. How much did the family spend on the meal? *
Answer:
$54
Step-by-step explanation:
45 increase 20% =
45 × (1 + 20%) = 45 × (1 + 0.2) = 54
i am a multiple of 7, i am also a mutiple of 3 my units digit is half my tens digit. Thanks!
Answer:
21 or 42......both work
7 times m help helpp