The question says “the system below has been solved by graphing. How many solutions does it have?”
Answers
Answer:
Infinitely many solutions
Step-by-step explanation:
3x+y=1
15x+5y=5
Step: Solve3x+y=1 for y:
3x + y +−3 x = 1 + −3x (Add -3x to both sides)
y=−3x+1
Step: Substitute−3x+1 for y in 15x+5y=5:
15x+5y=5
15x+5(−3x+1)=5
5=5(Simplify both sides of the equation)
5+−5=5+−5(Add -5 to both sides)
0=0
so there are infinite solutions
Related Questions
help pleaseeeeeeeeeee
Answers
Answer:
I don't help ppl who just takes points from ppl with out helping :) Look at the past answers from her.
Step-by-step explanation:
Answer:
4, 7, 9, 12, 18, 32
Step-by-step explanation:
The sign shows that any number that is equal to, or more than, 36 is a valid answer. It can't be 3 because 3 x 9 is 27, and 27 is less than 36, so that wouldn't be true. 4 x 9 is 36, and 36 = 36, so that would be true, and obvoiusly all the other numbers that are over 4, when multiplied by 9, will equal more than 36, so they are all correct, except for the 3 and none answers. I hope this helps you out :)
Find an nth-degree polynomial function with real coefficients satisfying the given conditions. If you are using a graphing utility, use it to graph the function and verify the real zeros and the given function value.
n=3
4 and 4i are zeros;
f(-1)=85
F(x) = ________
Answers
Givem that at n = 3: 4 and 4i are zero;
Then;
[tex](x - 4)(x - 4i)(x + 4i) \: (x - 4)( {x}^{2} - ( {4i)}^{2} \\ (x - 4)(x - 4i)(x + 4i) \: (x - 4)( {x}^{2} + 16) \\ (x - 4)(x - 4i)(x + 4i) \: {x}^{3} + 16x - {4x}^{2} - 64 \\ (x - 4)(x - 4i)(x + 4i) \: {x}^{3} - {4x}^{2} + 16x - 64[/tex]
Hence the function is:
[tex]f = {x}^{3} - {4x}^{2} + 16x - 64[/tex]
The diameter of a circle is 8 feet. What is the radius?
Answers
what is the difference between -3 and 4?
Answers
Answer:
I believe 1
Step-by-step explanation:
(I ain't 100% though!)
What can be concluded about a
apply.
cylinder and a cone
cone with the same height and radius measures? Check all that
D The cone has the greater volume.
The cone and cylinder have the
same base area.
The volume of the cone is
3
the volume of the cylinder.
CD The cylinder can fit inside the cone.
The cone and cylinder have the same diameter.
Answers
Answer:
b c e
Step-by-step explanation:
The wholesale price for a dozen pairs of socks is $4.30. The retail price for the same dozen pairs of socks is $9.25. What is the mark-up the retailer used? Write your answer as a complete sentence.
Answers
Answer:
the mark up used by the retailer is 115.12% of the wholesale price
Step-by-step explanation:
Mark-up is the percentage increase of the retail price over the wholesale price
Mark-up = (difference between retail and whole sale price / retail price ) x 100
difference between retail and whole sale price = $9.25 - $4.30 = $4.95
(4.95 / 4.3) x 100 = 115.12%.
The amount y (in dollars) that you earn by working x hours is represented by the equation y = 9x. A) What is the slope? B) What does the slope mean? Interpret! C) How much money would you make if you worked 40 hours?
Answers
Answer:
360 dollars
Step-by-step explanation:
Equation;
y = 9x
A) What is the slope?
The slope in an equation is the coefficient of the x variable. In this question, the slope is 9.
B) What does the slope mean? Interpret!
The slope shows the relationship between the x and y values.
This means that for every single unit change of x, y changes by 9 times.
C) How much money would you make if you worked 40 hours?
x = working hours
y = Amount
y = 9 (40) = 360 dollars
Nathan and his children went into a grocery store and he bought $12 worth of apples and bananas. Each apple costs $1.50 and each banana costs $0.60. He bought a total of 11 apples and bananas altogether. By following the steps below, determine the number of apples, x,x, and the number of bananas, y,y, that Nathan bought.
Determine three ways to have a total of 11 apples and bananas:
Answers
Step-by-step explanation:
X= apple y=banana 1 apple cost $1.50 and a1 banana cost $0.60 nathan buy 11banana and apple 1.50×11 = 16.5 0.60×11= 6.6. 16.5 +6.6 =23.1
Is this right??? Please help!!
Answers
write all the natural numbers from 1 to 20 what fraction of them are multiples of 3 (someone answer fast pls)
Answers
Jonah has a piece of string that is 70 inches long. He cuts the string into 6 equal pleces. How many Inches long is each piece of string?
Answers
The ratio of the measures of the angles in a triangle is 11:2:5 find the measures of the largest angle
Answers
9514 1404 393
Answer:
110°
Step-by-step explanation:
The total of the ratio units is 11 +2 +5 = 18. These stand for the total of angles, 180°, so each ratio unit stands for 180°/18 = 10°.
The largest angle is 11 ratio units, or 11×10° = 110°.
need help on this picture
Answers
Answer:
The slope is -1/2
Answer:
-(1/2) or -0.5
Step-by-step explanation:
select two coordinates. for example, (2,2) and (4,1).
do (y2 - y1) ÷ (x2 - x1).
in this case, (1 - 2) ÷ (4 - 2). you should end up with -(1/2), or -0.5
Find the LCM of 4 and 9
A. 9
B. 35
C. 72
D. none of the above
Answers
Answer:
neither, its 36 actually
Step-by-step explanation:
Identify the solution set 2(-x -9) = -2x + 8
A) infinitely many solutions
B) Only one solution
C) No solution
D) impossible
Answers
Answer:
D) impossible
Step-by-step explanation:
what is the square root of 87 (round to the tenths place)
Answers
Answer:
I think it is 9.33 because the full answer is 9.327 so rounded it would be 9.33??
Scarlett went shopping for a new pair of pants. Sales tax where she lives is
4%. The price of the pair of pants is $41. Find the total price including tax.
Round to the nearest cent.
Answers
Answer:
39.36
Step-by-step explanation:
1% of 41 is .41, so you multiply that by 4 to get 1.64. Then do 41-1.64=39.36
The total price including tax is $42.64
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. Using 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:
Price of pants= $41
Sales tax= 4%
So, the tax is
= 41 x 4%
= 41 x0.04
= $1.64
Now, the price of pants after tax
= 41 + 1.64
= $42.64
Hence, the total price including tax is $42.64
Learn more about Percentage here:
https://brainly.com/question/29306119
#SPJ2
Can someone help me with this thank you
Answers
Answer:
Step-by-step explanation:
Area of square = side * side
= 4 * 4
= 16 sq.ft
Area of triangle = [tex]\frac{1}{2}*base*height\\[/tex]
[tex]= \frac{1}{2}*4*2\\\\= 4 sq.ft[/tex]
Area of the figure = area of square + area of triangle
= 16 + 4
= 20 sq.ft
1. a circle has a circumfrance 88cm find its radius
2.a sector with angle 45 degrees has ab arc length 44cm find it radius and perimeter speratly
pls answer asap i will give u the brainliest
Answers
Step-by-step explanation:
Number 1
Circumference = 88cm
Circumference = 2πr
2πr = 88
πr = 88/2
πr = 44
22r/7 = 44
22r = (44 × 7)
r = (44 × 7)/22
r = 2 × 7
r = 14cm
Number 2
Length of arc = 44cm
Angle = 45°
L = ∅/360 × 2πr
44 = 45/360 × 2πr
44 = ⅛ × 2πr
44 = ¼ × πr
πr = 44 × 4
22r/7 = (44 × 4)
22r = (44 × 4 × 7)
r = (44 × 4 × 7)/22
r = 2 × 4 × 7
r = 2 × 28
r = 56cm
Perimeter = L + 2r
P = 44cm + 2(56cm)
P = 44cm + 112cm
P = 156cm
what is the exterior angle of #9 ?
Answers
Answer:
55
Step-by-step explanation:
3x-12=2x
+12
3x=2x +12
-2x
x=12
4(12)+ 9
48+9
=55
What is the value of 5^-2?
Answers
Answer:
the answer is-25 according to me
Please mark as brainliest
En las elecciones locales celebradas en una ciudad, 9/25 de los votos fueron para el partido A, 3/5 de los votos para el partido B, y hubo 2000 votos más que no fueron para ninguno de estos dos partidos. Calcule el número de votantes y el número de abstenciones sabiendo que este último es 1/40 del número de personas que podían votar.
Answers
C(n) = -7 + 6(n - 1)c(n)=−7+6(n−1)c, left parenthesis, n, right parenthesis, equals, minus, 7, plus, 6, left parenthesis, n, minus, 1, right parenthesis Find the 4^\text{th}4 th 4, start superscript, start text, t, h, end text, end superscript term in the sequence.
Answers
Answer: The 4th term is 11.
Step-by-step explanation:
The given sequence: [tex]C(n) = -7 + 6(n - 1)[/tex] which represents the nth term.
To find 4th term.
Put n=4, we get
[tex]C(4) = -7 + 6(4 - 1)\\\\\Rightarrow\ C(4) = -7 + 6(3)\\\\\Rightarrow\ C(4) =-7+18\\\\\Rightarrow\ C(4) =11[/tex]
Hence, the 4th term is 11.
Answer:
11
Step-by-step explanation:
Anthony got a shipment of various box sets of albums, but
he doesn't have enough room on his shelves for all of
them. The box sets measure 1 inch, 0.5 inch,
1 inch, 0.5 inch, ž inch, 1
inch, and 1.5 inches. He can only display box sets that
are less than Şinch.
Answers
Answer:
ccccccc
Step-by-step explanation:
Which answer is correct?
9= 4 + 5 and 9 = 2 +7
9 = 5 + 5 and 9 = 6 + 4
9=6+3 and 9 = 7+1
9 = 5 + 3 and 9 = 6 +2
Answers
Answer:
9=4+5, 9=7+2, 9=6+3 are correct
Step-by-step explanation:
Can someone plz help me with this one problem plzzzzz I’m marking brainliest!!!
Answers
4=8
6=10
8=12
I added +4 for each
If Brenda decides to use milliliters and leaders in terms room instead and each person at the party will drink about 750 mL after 32 people and they each drink about 750 mL how many liters of punch open does mom need to buy?
Answers
Answer:
24 litres
Step-by-step explanation:
Given that :
Number of people present at party = 32
Volume of drink consumed by each person in mL = 750 mL
To consumption in mL:
Number of people * volume consumed by each
32 * 750 mL
24000 mL
24000 mL to L
1000 mL = 1 L
24000 mL = (24000/ 1000)L
= 24 L
Answer:
262
Step-by-step explanation:
the other one is wrong i almost fell for it but my teacher said it was wrong
PLEASE HURRY!
2 1/3 divided by 2/5
Answers
Answer:
35/6
Step-by-step explanation:
Turn to 2 1/3 improper fraction
6+1=7/3
Dividing is multiplying by the reciprocal
7/3*5/2
7*5/3*2
35/6
Explanation:
If you use the method KCF (keep change flip) you can get the answer that way.
Question 7
True or False
The ordered pair (-3,-7) is a solution to the following system.
y = 4x + 5
y = 2 - 4
True
O False
Answers
Answer:
true
Step-by-step explanation:
-7=4*-3+5
-7=-12+5
For number 2:
If the figures below are similar, give the scale factor to Figure B to A.
PLEASE HELP!!!!!!!!
Answers
Answer:
3is the scale factor and it is similar
Step-by-step explanation: