40/3 days, (13.33 days)
Step-by-step explanation:
Set up the equation, 15/20 = 10/x, and then use cross mutiply to solve it.
10 * 20 = 15x, x = 200/15 = 40/3
Why?
b/c if each pig eats the same amount of food, then the ratio between the number of pigs and days should remain constant.
What type of correlation is the graph below?
a
no correlation
b
quadratic correlation
c
negative
d
positive
Ming earns $35 washing 7 windows. At this rate, how much does Ming earn washing 8 windows?
Answer:
40
Step-by-step explanation:
35 divided by 7 = 5
5x8 =40
8. Ten friends go out for dinner. The total cost of the meals is $141. Some
friends have three-course meals and the rest have two-course meals. Each
of the three-course meals costs $15 and each of the two-course meals
costs $12. The number of people who have three-course meals is x, so the
number of people who have two-course meals is 10 - x. How many three
course meals are possible?
2 three-course meals
20 three-course meals
e
7 three-course meals
5 three-course meals
Answer:
7 three-course meals
Step-by-step explanation:
7 x 15= 105
141-105= 36
36/12= 3
7+3= 10
So total, there are 10 meals; 7 three-course and 3 two-course
PLEASE HELP MEEEEE THIS IS SO HARDDD
Answer:
B and $684
Step-by-step explanation:
B, because wednesday is three days after sunday so 4 times 3 because she walks 4 more laps each day until saturday. Add the 24 laps she already walks 4(3)=12+24=36
By saturday she would've walked 48 laps, so 48 times 3 for the 3 dollars each lap. 48(3)=144 now u have to find the other days so the equation you would use is 3(24 + 4x), x for the day until saturday. 3(24+4(1))=3(28)=84,just do that for each day and then add all them together because the question asked by the end of the week, saturday, how much money so yea. 84+96+108+120+132+144=684
(honestly u could just keep adding 12 to the previous number as that's what it's increasing by.) haha rlly hope I'm not wrong on the second one. Have a nice day!
SOMEONE PLEASE HELP
ONLY ANSWER IF YOU KNOW THE ANSWER
I WILL BE REPORTING ANSWERS THAT HAVE NOTHING TO DO WITH THIS
Answer: c and e
Step-by-step explanation:
what is -40+7r=-5(8+5r)
Answer:
r= -40/9 or r=-4 4/9
Step-by-step explanation:
You're welcome :)
I NEED HELP LIKE ASAP Which ratios are equivalent to 3 parts silver paint to 4
parts green paint? Check all that apply.
O4:5
O 6:8
O 5:6
O9:12
Answer:
its o4:5
Step-by-step explanation:
Hey im helping my lil sis but before i answer it i wanna make sure im right so do any of u have a answer??
Answer:
Correct.
Step-by-step explanation:
Those points are plotted correctly.
Hope this helps :D Please hit the crown :D
What is the scale factor of the ratio 2:7 ?
Choices:
K=2/7
K=7/2
K=2/9
K=7/9
K=9/2
K=9/7
Answer:
K=2/7
in ratios you are dividing that to that(that:that)
I hope this is good enough:
Find the percent increase round to the nearest percent
From 42 acres to 72 acres
Answer:
58.333333 percent
Step-by-step explanation:
58 percent
I took 42 divided by 72 times 100
HELP PLEASE ILL GIVE U 50 POINTS
Answer:
^{3} + 3x
Step-by-step explanation:
^{3} means x cubed.
Answer:
10x + 2.
Step-by-step explanation:
Perimeter = 2*2x + 2 *(3x + 1)
= 4x + 6x + 2
= 10x + 2.
58:27
The sequence below represents Marisa’s fine at the library for each day that she has an overdue book:
$0.50, $0.65, $0.80, $0.95, $1.10, ...
Which equation represents Marisa’s library fine as a function of a book that is n days overdue?
f(n) = 0.15n
f(n) = 0.50n
f(n) = 0.15n + 0.35
f(n) = 0.50n + 0.15
Answer:
a
Step-by-step explanation:
3. Multiply (2x - 3) by (x2 - 2x + 1)
a. 2x3+ 7x2 - 8x + 3
b. 2x3- 7x2 + 8x - 3
c. X+ 7x2 - 6x + 3
d. 3x - 7x2 + 8x - 3
Answer:
B.2[tex]x^3[/tex] - 7[tex]x^2[/tex] + 8x -3
Step-by-step explanation:
To multiply a binomial (2 terms) by a trinomial (3 terms):
Multiply the first term of the binomial by the each term of the trinomial.
Multiply the second term of the binomial by each term of the trinomial.
Combine the expressions and simplify.
(2x-3)*([tex]x^2[/tex]-2x+1)
(2x * [tex]x^2[/tex]) + (2x * -2x) + (2x * 1)
(2[tex]x^3[/tex]) + (-4[tex]x^2[/tex]) + (2x)
(2x-3) * ([tex]x^2[/tex]-2x+1)
(-3 * [tex]x^2[/tex]) + (-3 * -2x) + (-3 * 1)
(-3[tex]x^2[/tex]) + (6x) + (-3)
[2[tex]x^3[/tex] + -4[tex]x^2[/tex] + 2x] + [-3[tex]x^2[/tex] + 6x + -3]
2[tex]x^3[/tex] - 7[tex]x^2[/tex] + 8x -3
give me brainliest please
Please help please :)
The answer is 1/2 or 0.5
i multiplied 0.2 by 2.5
Brainliest plz!
Whats the answer I will give brainliest, thanks, and five star
Answer:
1st
Step-by-step explanation:
Answer:
I'm pretty positive the answer is A. -0.8x+4.8y+16
Step-by-step explanation:
Solve the system of equations.
\begin{aligned} &-6y+11x = -36 \\\\ &-4y+7x=-24 \end{aligned}
−6y+11x=−36
−4y+7x=−24
Answer:
The solutions to the system of equations will be:
[tex]y=6,\:x=0[/tex]
Step-by-step explanation:
Given the equation
[tex]-6y+11x=-36[/tex]
[tex]-4y+7x=-24[/tex]
solving the system of equations
[tex]\begin{bmatrix}-6y+11x=-36\\ -4y+7x=-24\end{bmatrix}[/tex]
[tex]\mathrm{Multiply\:}-6y+11x=-36\mathrm{\:by\:}2\:\mathrm{:}\:\quad \:-12y+22x=-72[/tex]
[tex]\mathrm{Multiply\:}-4y+7x=-24\mathrm{\:by\:}3\:\mathrm{:}\:\quad \:-12y+21x=-72[/tex]
[tex]\begin{bmatrix}-12y+22x=-72\\ -12y+21x=-72\end{bmatrix}[/tex]
[tex]-12y+21x=-72[/tex]
[tex]-[/tex]
[tex]\underline{-12y+22x=-72}[/tex]
[tex]-x=0[/tex]
[tex]\begin{bmatrix}-12y+22x=-72\\ -x=0\end{bmatrix}[/tex]
solving for x
[tex]-x=0[/tex]
[tex]\mathrm{Divide\:both\:sides\:by\:}-1[/tex]
[tex]\frac{-x}{-1}=\frac{0}{-1}[/tex]
[tex]x=0[/tex]
[tex]\mathrm{For\:}-12y+22x=-72\mathrm{\:plug\:in\:}x=0[/tex]
[tex]-12y+22\cdot \:0=-72[/tex]
[tex]-12y+0=-72[/tex]
[tex]-12y=-72[/tex]
[tex]\mathrm{Divide\:both\:sides\:by\:}-12[/tex]
[tex]\frac{-12y}{-12}=\frac{-72}{-12}[/tex]
[tex]y=6[/tex]
Therefore, the solutions to the system of equations will be:
[tex]y=6,\:x=0[/tex]
Find the measure of an angle with measure between 0° and 360° that is coterminal with an angle measuring –800°. (just enter the number for your answer)
Answer:
280
Step-by-step explanation:
edge 2021
Solve the system
x + 3y = 6
2x + 4y = 12
A. (3,2)
B. (6,0)
C. (5,0.5)
D. (4,1)
Answer:
Hi... Your answer is... B
There were 26 students in the class 2 of them later moved to another
school. The teacher wants to place students at an equal number at each of 4
tables. How many students did the teacher place at each table?
Answer:
6 at each table
Step-by-step explanation:
26 - 2 is 24 and 6 times 4 is 24
Answer:
6 students
Step-by-step explanation:
There's a total of 26 so take the 2 students out so now you will have 24. Just do 24 divided by 4 and you will get 6.
What is the solution of the following one step equation? X-0.7= -2
Answer:
x = -1.3
Step-by-step explanation:
The scale factor of the blueprint of a front door to the actual front door is 0.04. The area of the actual front door is 36 ft2 .
What is the area of the front door on the blueprint?
0.0576 ft2
0.04 ft2
0.576 ft2
1.44 ft2
Answer:
0.0576 ft2
Step-by-step explanation:
If the scale factor between a front door's blueprint and the actual front door is 0,04 The front door's actual area is 36 ft2, while its area on the blueprint will be 1.44 ft².
What is a scale factor?The ratio among comparable dimensions of an object and a model with that object is known as an exponent in algebra. The replica will be larger if the scale factor is a whole number. The duplicate will be lowered if the step size is a fraction.
It is given that, the scale factor of the blueprint of a front door to the actual front door is 0.04. The area of the actual front door is 36 ft².
Scale factor =Area of the new shape ÷ Area of the original shape
0.04= Area of the front door on the blueprint÷36 ft²
Area of the front door on the blueprint=0.04×36
Area of the front door on the blueprint=1.44 ft²
Thus, if the scale factor between a front door's blueprint and the actual front door is 0,04 The front door's actual area is 36 ft2, while its area on the blueprint will be 1.44 ft².
Learn more about the scale factor here:
brainly.com/question/22312172
#SPJ2
What equations are equal to 3x-12=24
What is the value of x in the figure below? In this diagram, ABD ~ CAD. А с B 13 D3 A. 16 B. 208 C. 39 D. 48 E. 13/16 F. 139
F. Square root of 39
Step-by-step explanation:
Value of [tex]\boldsymbol{x}[/tex] is [tex]\boldsymbol{\sqrt{39}}[/tex] units.
Option F. is correct.
Define similar triangles.Two triangles are said to be similar if their sides are proportional and their corresponding angles are equal.
[tex]\bigtriangleup ABD \sim \bigtriangleup CAD[/tex]
[tex]\boldsymbol{\frac{AD}{CD}=\frac{BD}{AD} }[/tex]
[tex]\frac{x}{13}=\frac{3}{x}[/tex]
[tex]x^2=39[/tex]
[tex]x=\sqrt{39}[/tex] units.
Value of [tex]\boldsymbol{x}[/tex] is [tex]\boldsymbol{\sqrt{39}}[/tex] units.
Option F. is correct.
Find out more information about triangle here:
https://brainly.com/question/2773823?referrer=searchResults
what is 9 + 8 X 3 – (5 x 2) using pemdas
Answer:23
Step-by-step explanation:
What is the solution for x in the equation?
9x - 20 - 4x = 40?
X=1/4
X=4
X=12
X=1/12
Answer:
x = 12
Step-by-step explanation:
9x - 20 - 4x = 40
Combine like terms
5x -20 = 40
Add 20 to each side
5x -20+20 = 40+20
5x = 60
Divide by 5
5x/5 = 60/5
x = 12
9x - 20 - 4x = 40
By transposition method, we get
9x - 4x = 40 + 20
By simplifying the like terms, we get
5x = 60
or, x = 60/5 = 12
The value of x is 12.
Patrica can drive 36 kilometers for every 3 liter of gas she puts in her car complete the table using equivalent ratios
Answer:
48 K - 4 L
132 k - 11 L
Step-by-step explanation:
36 ÷ 3 = 12 so that means that for every 1 liter there are 12 Kilomiters.
4 x 12 = 48
11 x 12 = 132
Find each side length.
у
х
45
3
Ox= 3, y = 32
Ox=3V2, y=32
x = 3/2 y=3
x = 3, y = 6/2
Triangle ABC was transformed to be triangle FED using
one transformation.
What transformation was performed?
A)translation
B)dilation
C)reflection
D)rotation
Answer:
the triangle was rotated about 90 degrees i think
Answer:
The answer is D. Rotation
Step-by-step explanation:
Took the test lol
I need help with this math question please
Answer:
yes D. is correct
Step-by-step explanation:
10 1/2 x 1/3 help me pls
Answer:
The answer is 3.5
Step-by-step explanation:
Hope this helps :)