Answer:
The other number is 60.
Step-by-step explanation:
2400 divided by 40=60
60 times 40=2400
Answer:
60
Step-by-step explanation:
use a calculator 2400 divided by 40 = 60
find da surface area plz i will give brainlest to best anwser an thanks
Answer:
multiply all of it
Step-by-step explanation:
11.3 x 6 x 8 x 8
10.3 x 13 x 9 x 5
=
26145849.6
Reduce
Will mark brainliest plz help
Answer:
AE = 30
GD = 5
GF = 10
Step-by-step explanation:
Centroid of medians divide median in the ratio 2 : 1
Therefore,
AG : GE : 2 : 1
Let AG = 2x & GE = x
Since, AG = 20....(given)
Therefore, 2x = 20
x = 20/2
x = 10
GE = x = 10
AE = AG + GE = 20 + 10 = 30
CG : GD : 2 : 1
Let CG = 2x & GD = x
Since, CG = 10....(given)
Therefore, 2x = 10
x = 10/2
x = 5
Since, GD = x
Therefore, GD = 5
BF = 30
2x + x = 30
3x = 30
x = 30/3
x = 10
GF = 10
Find the unit rate. Round to the nearest hundredth, if necessary.
$5.99 for 19 lb
Answer:
0.315 per lb
Step-by-step explanation:
please hurry Solve: -23 = x - 23 *
Answer:
x = 0
Step-by-step explanation:
add 23 on both side and x equals zero
substitute x for 0, and the equation is still correct
What is 13/21as a decimal rounded to 3 decimal places?
Answer:
0.619
Step-by-step explanation:
Answer:
0.619
Step-by-step explanation:
Fist divide 13/21. I used a claulator since thats allows in my class. When you do that you get 0.619047619. to round we look at the thrid and fourth decimal places, which are 9 and 0. Since zero is less than nine we round down to get the answer.
3 erasers cost $4.41
What equation would help determine the cost of 4
erasers?
Answer:
Well you can divide 4.41 by 3 and then use that number and multiply it by 4
Step-by-step explanation:
Answer:
Using this equation: f(x) = 1.47x
The cost of 4 erasers is 5.88
each costs 1.47
Consider the following functions.
f(x)=2x^2+4x+10
g(x)=3x-11
h(x)=3x^3+x^2=21
The value of h(f(g(2)))
Answer:
Step-by-step explanation:
h(f(g(2)))=
h(f(3*2-11))) = h(f( -5))=
h((2*(-5)^2) +4*(-5) +10) = h (50 -20 +10) = h(40)
now calculate h(40) but check if you wrote corectly the equation
please help me write this equation
Complete the solution of the equation. Find the value of y when x equals 7. x - 4y = 19 Enter the correct answer.
Answer: the correct answer is to teacha don’t like you assigning this bullish!+ when will you ever in your life use this feel bad for y’all I dropped out
Step-by-step explanation:
Show your work F(x)=5x^2-4x+1 G(x)=3x-2 H(x)=x+1 K(x)= 4x What is (g*h)(x)= What is g(k(x))= What is k(g(0)) =
Answer:
— What is (g × h)(x)?
The answer is 3x²+x-2
— What is g(k(x))?
The answer is 12x - 2 or 2(6x-1)
— What is k(g(0))
The answer is -8
Explanation:
Given these functions —
[tex]f(x) = 5 {x}^{2} - 4x + 1 \\ g(x) = 3x - 2 \\ h(x) = x + 1 \\ k(x) = 4x[/tex]
Find (g × h)(x)
[tex](g \times h)(x) = g(x) \times h(x)[/tex]
Substitute g(x) = 3x - 2 and h(x) = x + 1
[tex](3x - 2) \times (x + 1) \\ (3x - 2)(x + 1)[/tex]
Multiply the polynomial.
[tex]3 {x}^{2} + 3x - 2x - 2[/tex]
Subtract - 2x out of 3x —
[tex]3 {x}^{2} + x - 2[/tex]
Thus, the answer is —
[tex](g \times h)(x) = 3 {x}^{2} + x - 2[/tex]
Find (g(k(x))
Substitute k(x) = 4x in g(x).
[tex]g(x) = 3x - 2 \\ k(x) = 4x[/tex]
[tex]g(k(x)) = g(4x)[/tex]
[tex]g(4x) = 3(4x) - 2[/tex]
Distribute 3 in 4x —
[tex]g(4x) = 12x - 2[/tex]
Thus the answer is —
[tex]g(k(x)) = 12x - 2[/tex]
Alternative Solution
[tex]g(k(x)) = 2(6x - 1)[/tex]
Find k(g(0))
Given two functions — k(x) and g(x)
[tex]k(x) = 4x \\ g(x) = 3x - 2[/tex]
Evaluate the value of g(0) as we substitute x = 0 in g(x)
[tex]g(0 ) = 3(0) - 2 \\ g(0) = 0 - 2 \\ g(0) = - 2[/tex]
Since we need to find k(g(0)), our currently input is g(0).
From k(x) and g(0) —
[tex]k(x) = 4x \\ g(0) = - 2[/tex]
Substitute g(0) = -2 in k(x)
[tex]k(g(0)) = 4(g(0)) \\ k( - 2) = 4( - 2) \\ k( - 2) = - 8[/tex]
Thus, the answer is —
[tex]k(g(0)) = - 8[/tex]
Sushil was thinking of a number. Sushil subtracts 3.8 from the number and gets an answer of 53.6. Form an equation with
x
from the information.
Answer:
x = 3.8 + 53.6
Step-by-step explanation:
From the info that they gave you, you can tell that the original number is unknown, so that is x. Since Sushil is subracting 3.8, meaning, to get x, you're going to have to do the opposite which is........addition! So, to get x, you have to add 3.8, and 53.6. I hope I make sense!!
Plz help me with this equation.
Answer:
y=-1/4x+1
Step-by-step explanation:
The perpendicular equations slope is the negative reciprocal of the other lines, so if I had 2 as a slope, the perpendicular line's slope would be -1/2, I think. Then you just use the found slope and the given point to solve for b, then use the b value you get for the final equation.
4. When simplified, what is the value of 175, if i2 = – 1.
Answer:
5i[tex]\sqrt{7}[/tex]
Step-by-step explanation:
Using the rule of radicals
[tex]\sqrt{a}[/tex] × [tex]\sqrt{b}[/tex] ⇔ [tex]\sqrt{ab}[/tex]
i² = - 1 ⇒ i = [tex]\sqrt{-1}[/tex]
Given
[tex]\sqrt{-175}[/tex]
= [tex]\sqrt{25(7)(-1)}[/tex]
= [tex]\sqrt{25}[/tex] × [tex]\sqrt{7}[/tex] × [tex]\sqrt{-1}[/tex]
= 5i[tex]\sqrt{7}[/tex]
Answer:
[tex]5i\sqrt{7}[/tex]
Step-by-step explanation:
In order to solve this question we need to know how to multiply roots. You will need to understand that when we multiply [tex]\sqrt{a}[/tex] by [tex]\sqrt{b}[/tex], the following is true.
[tex](\sqrt{a})(\sqrt{b}) = \sqrt{ab}[/tex] (1)
From the question it self we know that [tex]\sqrt{ab}[/tex] is equal to [tex]\sqrt{-175}[/tex]. We also know that [tex]i^{2} = -1[/tex] or in other words [tex]i = \sqrt{-1}[/tex].
Now we will need to factors [tex]\sqrt{-175}[/tex] so that at the end we will end up representing [tex]\sqrt{-175}[/tex] as a product of [tex]\sqrt{-1}[/tex] and some other number. In order to determine the unknown number we will just have to divide [tex]\sqrt{-175}[/tex] by [tex]\sqrt{-1}[/tex]. From the equation (1) that I mention at the start we can figure out that......
[tex]\sqrt{a} = \frac{\sqrt{-175} }{\sqrt{-1} } = \sqrt{175}[/tex] (in our case [tex]\sqrt{a}[/tex] is the unknown number we are trying to find)
Now we can rewrite [tex]\sqrt{-175}[/tex] as the following.....
[tex]\sqrt{-175} = (\sqrt{175})(\sqrt{-1})[/tex]
From here we substitute [tex]\sqrt{-1}[/tex] with [tex]i[/tex] and simplify [tex]\sqrt{175}[/tex]. In order to simplify [tex]\sqrt{175}[/tex] we will have to factor [tex]\sqrt{175}[/tex] in a way that we will see [tex]\sqrt{175}[/tex] as a multiple of a perfect square root. An so we get the following
[tex]\sqrt{-175} = (\sqrt{175})(i) = (\sqrt{7})(\sqrt{25} )(i) = (\sqrt{7})(5)(i) = 5i\sqrt{7}[/tex]
You roll a fair six-sided die. The die shows an even number or a number greater than four .
Answer:
what are the answers?
Step-by-step explanation:
Using y=mx+b find the slope for
4) y = −4x − 1
i don't understand them
7: Answer: [tex](x,y)=(\frac{5}{4},\frac{3}{2} )[/tex]
Substitute the value of Y:
[tex]-2x-3(10x-11)=-7[/tex]
Solve for X:
[tex]-2x-3(10x-11)=-7[/tex]
[tex]x=\frac{5}{4}[/tex]
Substitute the value of X:
[tex]x=\frac{5}{4}[/tex]
[tex]y=10*\frac{5}{4}-11[/tex]
Solve for Y:
[tex]y=10*\frac{5}{4}-11[/tex]
[tex]y=\frac{3}{2}[/tex]
Solution:
[tex](x,y)=(\frac{5}{4},\frac{3}{2} )[/tex]
8: Answer: [tex](x,y)=(3,-2)[/tex]
Substitute the value of Y:
[tex]4x-3*(-2)=18[/tex]
Solve for X:
[tex]4x-3*(-2)=18[/tex]
[tex]x=3[/tex]
Solution:
[tex](x,y)=(3,-2)[/tex]
9: Answer [tex](x,y)=(0,-2)[/tex]
Substitute the value of Y:
[tex]-3x+6(-2+5x)=-12[/tex]
Solve for X:
[tex]-3x+6(-2+5x)=-12[/tex]
[tex]x=0[/tex]
Substitute the value of X:
[tex]x=0[/tex]
[tex]y=-2+5*0[/tex]
Solve for Y:
[tex]y=-2+5*0[/tex]
[tex]y=-2[/tex]
Solution:
[tex](x,y)=(0,-2)[/tex]
10: Answer [tex](x,y)=(-3,-6)[/tex]
Substitute the value of Y:
[tex]-5x-(6+4x)=21[/tex]
Solve for X:
[tex]-5x-(6+4x)=21[/tex]
[tex]x=-3[/tex]
Substitute the value of X:
[tex]x=-3[/tex]
[tex]y=6+4x(-3)[/tex]
Solve for Y:
[tex]y=6+4x(-3)[/tex]
[tex]y=-6[/tex]
Solution:
[tex](x,y)=(-3,-6)[/tex]
Please mark me brainliest if this helped you :)
I got nut in my but just finished giving head locked up with the feds took a lot of meds I gotta go to bed before i cut my dreads met up with my hommie his name Fred give me a pinciple I think I need some led
Answer:
what are you talking about???
Step-by-step explanation:
brainliest and chill bro
What is the slope of (-9, 8) and (3,- 12)
Answer:
Your slope would be -5/3
Step-by-step explanation:
To find the slope from two points, you would use the formula y2-y1/x2-x1
In this case, the equation would look like -12-8/3-(-9)
-12 - 8 = -20
3 - (-9) = 12
-20/12 = -5/3
help plz i need this done
Answer:
x ≈ 11.5
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightEquality Properties
Trigonometry
[Right Triangles Only] SOHCAHTOA[Right Triangles Only] sin∅ = opposite over hypotenuseStep-by-step explanation:
Step 1: Identify Variables
Angle = 35°
Opposite Leg = x
Hypotenuse = 20
Step 2: Solve for x
Substitute [sine]: sin35° = x/20Isolate x: 20sin35° = xEvaluate: 11.4715 = xRewrite: x = 11.4715Round: x ≈ 11.5A bag contains 3 blue marbles, 2
green marbles and 1 red marble.
What is the probability of pulling a
red marble from the bag?
a) 12
b) 1/3
c) 1/5
d) 1/6
Help ASAP
Answer:
D 1/6
Step-by-step explanation:
There are 6 total marbles and only one of them is red so
1=red
6=total
1/6
PLZ MARK ME BRAINLIEST
3/4 (4y+8)= 5+3y
solve for y:
please help
Answer:
No Soultion
Step-by-step explanation:
Answer:
no solution
Step-by-step explanation:
distribute
3y + 6 = 5 + 3y
subtract 3y from both sides
6 = 5
no solution since 6 can never equal 5
what is 1696 divided by 43
Answer:
39.44
Step-by-step explanation:
Answer:
39.4418605
Step-by-step explanation:
You are pulling up an anchor while on a boat. You pull up the anchor at a rate of 0.5 feet per second. After 6 seconds, the anchor is 8 feet from your hands. Write an equation that represents the distance y (in feet) that the anchor is from your hands after x seconds. Then graph the equation.
Answer:
the answer is 19
Step-by-step explanation:
8+6=14
14+5=19
The equation y = 40x shows the number
of words Diego types in x minutes. What is
the constant of proportionality?
Answer:
40
Step-by-step explanation:
i would say 40? because it will be a constant for how many times you do X. for example if it's Y = 40 (2) it would equal 80 because no matter what number you put in X 40 will have to be multiplied
is - 51/5 a rational or irrational number?
Answer:
Rational
Step-by-step explanation:
A rational number is a number with two or fewer integers.
-51/5 = -5.2
I hope this helped and if it did I would appreciate it if you marked me Brainliest. Thank you and have a nice day!
Answer:
- 51/5 is a rational number as it can be represented in p/q form where both p and q are integers and q is not equal to zero
Step-by-step explanation
How do I solve this inequality?
Answer:
x ≥ -4 or x ≥ [tex]\frac{1}{2}[/tex]
Step-by-step explanation:
9 ≤ | 4x + 7 |
4x + 7 ≥ 9
4x ≥ 2
x ≥ [tex]\frac{1}{2}[/tex]
4x + 7 ≥ -9
4x ≥ -16
x ≥ -4
You finish
3/8 of the project. Your friend finishes 1/4 of the project. What
fraction of the project is finished?
Answer: 5/8 of the project is done
CORRECT ANSWER GETS BRAINLIEST AND POINTS!!!! COME ASAP 50 MINS LEFT
Use the data set to determine which statements are correct. Check all that apply. 115, 120, 118, 104, 109, 148, 135, 141, 139 The median is 120. The median is 109. There is an outlier. The lower quartile is 118. The lower quartile is 112 The upper quartile is 140. The upper quartile is 141. The interquartile range is 28
Answer:
The median is 120.
The lower quartile is 112.
The upper quartile is 140.
The interquartile range is 28.
Step-by-step explanation:
its hand proven
Answer:
X = wrong.
^ = correct
Step-by-step explanation:
^ The median is 120.
X The median is 109.
X There is an outlier.
X The lower quartile is 118.
^ The lower quartile is 112.
^ The upper quartile is 140.
X The upper quartile is 141.
^ The interquartile range is 28.
Hope this helps!!!
It takes 404040 ink cartridges and 200200200 pages to print a book, and it takes 303030 ink cartridges and 808080 pages to print a magazine. Sarah wants to print books and magazines with at most 300300300 ink cartridges and 120012001200 pages. Let BBB denote the number of books she prints and MMM the number of magazines she prints.
Answer:
40B +30M ≤ 300
200B +80M ≤ 1200
Step-by-step explanation:
The inequality functions are as follows:
For 40 cartridges per book and 30 cartridges per magazine and at most 300 cartridges are used
So the function would be
40B +30M ≤ 300
Now the another would be
There are 200 pages for printing a book and 80 pages are required for printing a magazine also she used at most 1,200 pages
So, the function would be
200B +80M ≤ 1200
f(x) = 4x + 7
f(8) = 11
I'm not sure exactly what you're trying to ask, but this statement is not true.
to solve a function, you would input a number ,and in this example 8, and replace the x's with 8.
f(8)=4(8)+7
f(8)=32+7
f(8)=39, so when you input 8, your output is 39, not 11.
the function is linear.