Answer:
True.
Step-by-step explanation:
Combine like terms (terms with like variables and the same amount of them):
(4x + 3x) = 7x
7x + 5 = 7x + 5 (True) , ∴ 4x + 3x + 5 = 7x + 5
help please asap. best answer gets brainliest.
Answer:
Step-by-step explanation:
4 is coefficient
x is variable
12 is constant
What the volume?????????
David has 2 red marbles and 9 orange marbles. What is the ratio of red marbles to total marbles?
Answer:
the ratio is,
2:11
Step-by-step explanation:
thats because there is 2 red marbles and when you add 9+2 that is the total off marbles there for the ratio is2:9
Answer:
Step-by-step explanation:
2 red and 9 orange 11 total
2:11
Can you please help?
Answer:
change in X is 12
Step-by-step explanation:
The new value of the x is 15 and it went from 3, so the change is 12
RECTA NUMERICA:
¿Qué puedes concluir acerca de los enteros en general mientras mas a la derecha de la recta se encuentran?
Which of the following is true of a radius of a circle?
(1) Radius is the distance from the center to any point on the circle.
(2) A circle may have radii with different values.
(3) Radius is half the diameter in any circle
Select one:
Only (1) and (2)
Only (2) and (3)
Only (1) and (3)
All (1), (2) and (3)
20, 18, 21, 18, 22, 24, 18, 23, 23, 24 Explain the meeting of the interquartile range as it relates to the number of students in the kindergarten classes
The interquartile range of the data-set is of 5.5, which means that the middle 50% kindergarten classes has a number of students that differ by at most 5.5.
What are the median and the quartiles of a data-set?The median of the data-set separates the bottom half from the upper half, that is, it is the 50th percentile.The first quartile(Q1) is the median of the first half of the data-set, and is also the 25th percentile.The third quartile(Q3) is the median of the second half of the data-set, and is also the 75th percentile.The interquartile range(IQR) represents the middle 50% of the distribution, and is given by Q3 - Q1.For this problem, the ordered data-set is given by:
18, 18, 18, 20, 21, 22, 23, 23, 24, 24.
There are 10 elements, hence:
The first half is 18, 18, 18, 20, which has median (18 + 18)/2, hence Q1 = 18.The second half is 23, 23, 24, 24, which has median (23 + 24)/2, hence Q3 = 23.5.Then the IQR is:
Q3 - Q1 = 23.5 - 18 = 5.5.
The IQR is of 5.5, which means that the middle 50% kindergarten classes has a number of students that differ by at most 5.5.
More can be learned about the interquartile range of a data-set at https://brainly.com/question/17083142
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Which congruence theorem, if any, can be used to prove that the triangles are congruent?
SAS
SSS
HL
ASA
AAS
not enough info.
please help!!
Answer:
SAS
Step-by-step explanation:
pls help
show work pls
Answer:
1. x=17
y= 7 1/3
2. x= 6 2/3
y=1.7
Step-by-step explanation:
4x=68 because it is isosceles triangle
x=17
y+1/2= 7 5/6
y= 7 1/3
What is 73 divided by 21
Answer:
exact form: 73/21
decimal form: 3.476190
mixed number: 3 10/21
Pleaseee helpp don’t understand!!
Answer:
Step-by-step explanation: so
First you should have paired attention and I don’t understand either sorry!
A class of 25 students shares a class set of 100 markers. On a day where 5
students are absent, which statement below is true? *
36 irrational or rational and why?
Answer:
Rational
Step-by-step explanation:
First tip with numbers... All whole numbers are rational and all numbers, rational or irrational are real numbers. Rational numbers consist of whole numbers, integers, fractions, and so on... While irrational numbers are numbers that can't be simplified to a basic whole number or fraction like 36.
Pi (π) is an example of an irrational number.
36 is an example of a rational number.
Hope you get it now! :)
-5p + 3.5 = 8
WITH STEPS ON HOW YOU DID IT PLEASE
One side of a rectangle is three times as long as another. If its area is 363 square centimeters, find its dimensions.
Shorter side:
Longer side:
9514 1404 393
Answer:
11 cm by 33 cm
Step-by-step explanation:
You can solve this problem mentally as follows.
Consider the rectangle as 3 squares, side-by-side. Then the area of each of those squares is 363/3 = 121 cm^2. From your knowledge of the squares of numbers, you know that 121 = 11^2. So, the width of the rectangle is 11 cm, and the length is 3 times that, or 33 cm.
_____
Using variables, we can let w represent the width. Then 3w can represent the length, and the area is ...
A = LW
A = (3w)(w) = 3x^2 = 363
w^2 = 363/3 = 121
w = √121 = 11
3w = 3·11 = 33
The width is 11 cm; the length is 33 cm.
Answer:
Shorter side: 11 cm
Longer side: 33 cm
First, write down what you know:
length=3*width, this can be written as 3w
area=363 sq cm
Now we know the formula for the area of a rectangle= length * width so we can substitute what we know into the formula. It looks like this:
363 (area) = 3w (length) × w (width)
[tex]363=w^2[/tex]
divide both sides by 3 to get: 121 = [tex]w^2[/tex]
take the square root of both sides to get: w=11 (square root of 121 is 11)
Now that we know what the width is, we can substitute that and find the length: 3w = 3 × 11=33
So length (longer side) is 33cm and width (shorter side) is 11cm.
*To check this, plug the numbers into the area formula: Area=33 × 11 = 363 sq cm.
Please mark brainiest if you can
10) Which equation represents a function of x that is NOT linear? * A. y=4(x+3) B. y=4²+3x C. y=4x+3x² D. (4+x)/3
The equation that represents a function of x that is NOT linear should be option c.
Linear equation:In the linear equation they have only x while on the other hand, in the quadratic equation they have x to the second power
So as per the given situation, the option a, option b, and option d represent the linear equation
Therefore, The equation that represents a function of x that is NOT linear should be option c.
Learn more about an equation here: https://brainly.com/question/17833324
I need help !! I’ll give brainliest for the correct answer.
i need help----------
Write an expression equivalent to 2/3 (x-6)
Answer:
2(1/3x-2)
Step-by-step explanation:
Formula for polygon area
Answer:
1/2BH
Step-by-step explanation:
I'm not sure but I would think this is the common formula
Can someone please give me the answer I will be marking
u brilliant
Answer: - 1/5
Step-by-step explanation:
-1/3= -0.333333
1/2= 0.5
-1/5= -0.2
1/4= 0.25
When you compare them, you see that -0.2 is closer to 0. Since -0.2 is equivalent to -1/5, -1/5 is the answer.
Answer:
-1/5
Step-by-step explanation:
it just it
For which of the following increasing functions f does (f-1)'(20) = 1/5
A f(x)= x + 5
B f(x) = x^3 + 5x + 20
C f(x) = x^5 + 5x + 14
D f(x)= e^x+ 5x + 19
Answer:
D f(x)= e^x+ 5x + 19
Step-by-step explanation:
D f(x)= e^x+ 5x + 19
We want to see for which one of the given functions, the inverse derivate evaluated in x = 20 is equal to 1/5.
The correct option is B: f(x) = x^3 + 5x + 20
Remember that two functions f(x) and g(x) are inverses if:
f( g(x)) = g( f(x))) = x
And for the inverse derivate of a function, we have the rule:
[tex]\frac{d}{dx} [f^{-1}(f(x))] = \frac{1}{f'(x)}[/tex]
So first we need to find for what value of x each function is equal to 20, and then we need to see if the derivate of the function evaluated in that same value of x is equal to 5.
For example, for the first option we have:
A: f(x) = x + 5
We find the x-value such that the function is equal to 20.
f(15) = 15 + 5 = 20
We derivate the function.
f'(x) = 1
We evaluate the function in the x-value we got above.
f'(15) = 1
This is not the correct option, as this is not 5.
Now we need to do that for all the given options.
The only correct option will be the second one:
B: f(x) = x^3 + 5x + 20
First we find the x-value such that this is equal to 20
f(0) = 0^3 + 5*0 + 20 = 20
Then the x-value is x = 0.
Now we find the derivate of f(x).
f'(x) = 3*x^2 + 5
Now we evaluate that in the x-value we got before:
f'(0) = 3*0^2 + 5 = 5
As wanted, this is equal to 5.
Then we have:
[tex]\frac{d}{dx} [ f^{-1}( f(0))] = \frac{1}{f'(0)} \\\\\frac{d}{dx} [ f^{-1}(20)] = \frac{1}{5}[/tex]
As wanted.
If you want to learn more, you can read:
https://brainly.com/question/9881718
how many 5s are in 2,207
Answer:
441 if it's not right then I'm sorry I tried
If x = 10 find the value of 2x2 + 21
Answer:
221
Step-by-step explanation:
If x = 10,
2x² + 21 = 2(10)² + 21
= 200 + 21
= 221
Hope it helps :)
Please mark my answer as the brainliest
help
help
help
por favor
por favor
please
Answer:
cant help im sorry
Step-by-step explanation:
Answer:ok i don't know but you can copy and paste the question then search it in the search bar because i can guaranty that someone has asked that question before. and then all you got to do that and you can keep your points. hope this helps! ;)
Step-by-step explanation: Plz give brainliest.
What is another way to write 3 x (4+5) = 27?
Pleas help
Answer:
Step-by-step explanation:
3 x (5+4) = 27
Hope that helps!
The another way to write 3 x (4+5) = 27, is 3 x (5+4) = 27.
What is multiplication?In mathematics, multiplication is a method of finding the product of two or more numbers. It is one of the basic arithmetic operations, that we use in everyday life.
here, we have,
3 x (4+5) = 27
i.e. 3 x (5+4) = 27
Hence, The another way to write 3 x (4+5) = 27, is 3 x (5+4) = 27.
To learn more on multiplication click:
brainly.com/question/5992872
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2/9 h = 8
h=
Pls tell me what h = !
Answer:
h=36
.......................
2. Sam's cat weighs 6 times as much as Larry's hamster. Together, they
weigh 28 pounds. How much does Sam's cat weigh? *
24 lbs
28 lbs
32 lbs
PLEASE ANSWER ASAP FOR BRAINLEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer and Step-by-step explanation:
You got the triangle at front, half of 6 is 3, so then you do 4 times 3 divided by 2, which is 6.
There are 4 of those triangles, so 4 times 6 is 24.
Now, we got two rectangles on top. 5 times 12 is 60, and 60 + 60 is 120.
the bottom rectangle is 6 times 12, which is 72.
Now we add.
24 + 120 + 72 is 216
216 [tex]in^2[/tex] is the answer.
#teamtrees #PAW (Plant And Water)
y= 22 + 2x + 3
What are the coordinates of the vertex of the given function?