Answer:
its b
Step-by-step explanation:
Find the surface area of the figure.
5 m
5 m
4 m
6 m
10 m
Answer:
258m
Step-by-step explanation:
This is a guess, if you could, please post your answer again, but this time click the paperclip icon, and add a screenshot of the figure!
Each step in a procedure to solve this equation is shown.
Equation: 5x - 7 = 3(x + 1)
Step 1: 5x - 7 = 3x + 3
Step 2: 2x - 7= 3
Step 3: 2x = -4
Step 4: x= -2
In which step is the first error made?
A. from the original equation to step 1
B. from step 1 to step 2
C. from step 2 to step 3
D. from step 3 to step 4
Answer:
C. from step 2 to step 3
. Eric earns $7.50 per hour working at a grocery store. The total amount of money he
earns on a given day is a function of how many hours he works that day?
If he typically works between one and five hours each day, which is the reasonable
range for this function?
Answer: Eric earns $37.50 per day.
Step-by-step explanation:
7.50(5)= 37.50
Siri round each number to the place of the underlined digit 7.158 The underlined number is five
6 is divided by the square of a number
Answer:
6/n^2
Step-by-step explanation:
I'm assuming it's an expression.
Answer:
21111
Step-by-step explanation:
2222
y=5x-3
x=5
i don’t understand-
Answer: y =5(5)-3
5*5=25-3 =22 ANSWER IS y=22
Which equation is equivalent to the equation 7y + 6 = 34?
Answer:
y = 4
Step-by-step explanation:
You are solving for the variable, y. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.
PEMDAS is the order of operation and stands for:
Parenthesis
Exponents (& Roots)
Multiplication
Division
Addition
Subtraction.
Isolate the variable, y. First, subtract 6 from both sides of the equation:
7y + 6 (-6) = 34 (-6)
7y = 34 - 6
7y = 28
Next, divide 7 from both sides:
(7y)/7 = (28)/7
y = 28/7 = 4
y= 4 is one of the equivalent equations that can answer this question.
~
please I need help
Answer:
please I need help......gjmtjmgj?hi?tmzdthwyriyotul!tkht
This table shows the ratio of apples to oranges. A 2-column table has 3 rows. Column 1 is labeled Apples with entries 6, 9, 12. Column 2 is labeled Oranges with entries 10, 15, question mark. Find the missing value in the table of equivalent ratios.
Given:
This table shows the ratio of apples to oranges.
Apples Oranges
6 10
9 15
12 ?
To find:
The missing value in the table of equivalent ratios.
Solution:
Let the missing value be x.
The ratios of apple and oranges are equivalent. So,
[tex]\dfrac{6}{10}=\dfrac{9}{15}=\dfrac{12}{x}[/tex]
[tex]\dfrac{3}{5}=\dfrac{3}{5}=\dfrac{12}{x}[/tex]
[tex]\dfrac{3}{5}=\dfrac{12}{x}[/tex]
On cross multiplication, we get
[tex]3\times x=12\times 5[/tex]
[tex]3x=60[/tex]
Divide both sides by 3.
[tex]x=20[/tex]
Therefore, the missing value is 20.
Answer:
20
Step-by-step explanation:
hope it helps
average of 20 numbers is zero how many of them can be greater than zero?
Answer:
The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero? Average of 20 numbers = 0. Therefore Sum of 20 numbers = (0 x 20) = 0 It is quite possible that 19 of these numbers may be positive and if their sum is a, then 20th number is (-a).
Step-by-step explanation:
-24+to the power of 3
Answer:
-13824
Step-by-step explanation:
I WILL GIVE BRAINLIEST!!!
Answer:
it should be C
Step-by-step explanation:
5. Find LK
Plz help it’s co confusing
LK + KJ = 43
LK + 25 = 43
LK = 43 - 25
LK = 18
_________________________________
And we're done.....♥️♥️♥️♥️♥️
find all solutions to the equation in the interval [0,2n) cos x = sin 2x
Answer:
[tex]\huge\boxed{x\in\left\{\dfrac{\pi}{6};\ \dfrac{\pi}{2}\ \dfrac{3\pi}{2};\ \dfrac{5\pi}{6}\right\}}[/tex]
Step-by-step explanation:
[tex]\cos x=\sin2x\qquad|\text{use}\ \sin\theta=2\sin\theta\cos\theta\\\\\cos x=2\sin x\cos x\qquad|\text{subtract}\ \cos x\ \text{from both sides}\\\\0=2\sin x\cos x-\cos x\\\\2\sin x\cos x-\cos x=0\qquad|\text{distribute}\\\\\cos x(2\sin x-1)=0\iff\underbrace{\cos x=0}_{(1)}\ \vee\ \underbrace{2\sin x-1=0}_{(2)}[/tex]
[tex](1)\\\cos x=0\Rightarrow x=\dfrac{\pi}{2}+k\pi;\ k\in\mathbb{Z}[/tex]
[tex](2)\\2\sin x-1=0\qquad|\text{add 1 to both sides}\\\\2\sin x=1\qquad|\text{divide sides by 2}\\\\\sin x=\dfrac{1}{2}\Rightarrow x=\dfrac{\pi}{6}+2k\pi\ \vee\ x=\dfrac{5\pi}{6}+2k\pi[/tex]
[tex]\text{From}\ (1)\ \text{and}\ (2)\ \text{we have}\\\\x=\dfrac{\pi}{2}+k\pi\ \vee\ x=\dfrac{\pi}{6}+2k\pi\ \vee\ x=\dfrac{5\pi}{6}+2k\pi\\\\\text{We have the interval}\ x\in[0;2\pi).\ \text{Therefore the solution is:}\\\\x\in\left\{\dfrac{\pi}{6};\ \dfrac{\pi}{2}\ \dfrac{3\pi}{2};\ \dfrac{5\pi}{6}\right\}[/tex]
Simplify.
(x6y3)−2x−5y−8
Answer:
18xy-2x-5y-8
Step-by-step explanation:
Просто умножьте,то что было в скобках
Belvedere wants to buy a video game that is 40% off. The original
price is $188.09.
What is amount of discount (nearest hundredth)?
Answer:
$100 if you are trying to find the nearest hundreth.
Step-by-step explanation:
Plz help I have this and i am being timed
Answer:
i think it is -1/2
Answer:
[tex] -\dfrac{13}{18} [/tex]
Step-by-step explanation:
[tex] -\dfrac{8}{9} - (-\dfrac{1}{6}) = [/tex]
[tex] = -\dfrac{8}{9} + \dfrac{1}{6} [/tex]
[tex] = -\dfrac{16}{18} + \dfrac{3}{18} [/tex]
[tex] = -\dfrac{13}{18} [/tex]
Please ASAP What is the remainder when x3−2x2−51x−108 is divided by x−2?
Answer:
[tex]-210[/tex]
Step-by-step explanation:
We have the function:
[tex]f(x)=x^3-2x^2-51x-108[/tex]
And we want to find the remainder when it is divided by [tex](x-2)[/tex].
We can use the Polynomial Remainder Theorem, where if we have a function [tex]f(x)[/tex] divided by a binomial [tex](x-a)[/tex], then our remainder will be [tex]f(a)[/tex].
Here, our divisor is [tex](x-2)[/tex], so our a is 2.
Therefore, our remainder will be [tex]f(2)[/tex]. Let's substitute this for x. This yields:
[tex]f(2)=(2)^3-2(2)^2-51(2)-108[/tex]
Evaluate. Do the exponents:
[tex]f(2)=8-2(4)-51(2)-108[/tex]
Multiply:
[tex]f(2)=8-8-102-108[/tex]
Subtract:
[tex]f(2)=-210[/tex]
So, our remainder is -210.
And we're done!
Need help with this math problem plz help
Answer:
D. 2/15
Step-by-step explanation:
6+4+3+2=15
Red is 2.
2/15
1. Contaminated water is subjected to a cleaning process. The concentration of the
pollutants is initially 5 mg per liter of water. If the cleaning process can reduce the
pollutant by 10% each hour, define a function that can represent the concentration
of pollutants in the water in terms of the number of hours that the cleaning process
has taken place.
Answer:
The concentration of pollutants in the water can be defined as the quotient between the mass of pollutants and the total mass of water.
Assuming that 1L of water weighs 1000 grams, we know that:
Mass of pollutants = 5mg = 0.005g.
Initial concentration = 0.005g/1000g = 0.000005
If we multiply this by 100%, we get the percentage:
0.000005*100% = 0.0005%
Now, the mass of pollutants decreases by 10% each hour.
So if initially, we have 5mg
After one hour, we will have: 5mg - 0.1*5mg = 5mg*(0.9).
After another hour, we will have: 5mg*(0.9) - 0.1*5mg*0.9 = 5mg*(0.9)^2.
And so on, then after n hours, the mass of pollutants will be:
M(n) = 5mg*(0.9)^n
Or we can write this in grams as:
M(n) = 0.005g*(0.9)^n
Then the concentration as a function of time in hours will be:
C(n) = M(n)/1000g = (0.005g/1000g)*(0.9)^n
Notice that the thing between the parentheses is the initial concentration, then if we write this in percentage form:
c(n) = 100%*(0.005g/1000g)*(0.9)^n = 0.0005%*(0.9)
The function that represents the concentration of polution in the water as a function of hours is:
c(n) = 0.0005%*(0.9)
find the midpoint of ab given A(4,2) and B(2,6)
Answer:
(3,4)
Step-by-step explanation:
The sum of 14 and which number will equal -3
Answer:
-17
Step-by-step explanation:
-3-14 = -17
-17 + 14 = -3
I WILL MARK BRIANLyEST
Jose needs to know if the triangle shown is a right triangle. Which equation should he use to help?
Group of answer choices
11 + 5 = 13
Square root of 5 dived by square root of 11= square root of 13
5^2+11^2=13^2
5^3-11^2=13^2
Step-by-step explanation:
5^2+11^2=13^2 is the answer. However, once you add the 25 and 121 together(the squares of 5 and 11), which is 146, you then need to square root the 146 to get C.
Answer:
11² + 5² = 13²Step-by-step explanation:
use the Pythagorean
a² + b² = c²
11² + 5² = 13²
10. Choose THREE of the following that would satisfy the inequality below.
- 3x – 8 > - 4x + 12
A. 30
B.-20
C. 21
D. 25
E. 20
f(x) = 2x + 7 - x^2 over 4
f(2) = ?
f(x) = [tex]\frac{2x + 7 - x^2}{4}[/tex]
f(2) just means we substitute 2 in for x.
f(2) = [tex]\frac{2(2) + 7 - (2)^2}{4}[/tex] = [tex]\frac{4 + 7 - 4}{4}[/tex] = [tex]\frac{7}{4}[/tex]
2(× - 3) + 7 (× + 2)
Answer:
x= -1.22
Step-by-step explanation:
I think in this case you would be solving for x. So, to start you would expand the 2 out to the (x-3). That would give you 2x-6. Then you would expand the 7 out to the (x+2). That would give you 7x+14. You would then be left with 2x-3+7x+14. You would then combine like terms and get 9x+11. To solve for x you would subtract 11 leaving you with 9x= -11. From there you would divide -11 by 9 and get x= -1.22.
Have a wonderful day!! :)
Which equation represents a line that is parallel to the
line shown on the graph?
Piz and ty
Answer:
[tex]y=\frac{1}{4}(x)+2[/tex]
you can write this as
[tex]f(x)=\frac{1}{4}x+2[/tex]
Step-by-step explanation:
2 points
(-4,1)(0,2)
[tex]y=\frac{1}{4}x+2[/tex] is the equaction of the line thats in the grapj
Why and How I got it?
you had 2 points, so you can using the slope equaction
Rise over run
why is slope important?
using the y incept equactions
y=mx+b, where slope is m
so you get slope you got m
Solve
rise over run
[tex]\frac{2-1}{0-(-4)}[/tex]
so you get
[tex]y=\frac{1}{4}x+b[/tex]
How do you get B?
you plug 1 points in
[tex]-4=\frac{1}{4}(1)+b[/tex]
Hoped this helped ya
<3
RedIn the expression 5^2the 5 represents the
Answer:
coefficient
Step-by-step explanation:
Andre’s school day is 63 hours long. He has 8 classes that are 3 hour long.
a. Create an expression to show how much time Andre is not in class during the day.
Answer:
(8×3)-63
just trust me that the right answer
What is the missing value in the table below?
Hours
2
3
7
10
Minutes
120
?
420
600
180
270
300
360
Answer:
1hr = 60min
3hr = 180min
the missing value is 180
Answer: the answer is A
Hope this is helpful
Step-by-step explanation:
I jus know