Use PEDMAS for order of operation:
a: 100 – 8 × √25 + 3
First solve the root:
100 – 8 × 5 + 3
Next multiply:
100 - 40 + 3
Now solve from left to right:
100-40 = 60
60+3 = 63
Answer: 63
b. 100 – (11 – 4)² × 2
First parentheses:
100 - 7^2 x 2
Next the power:
100 - 49 x 2
Multiplication:
100 - 98 = 2
Answer: 2
solve simultaneously for x and y if: x(x-3)+y(3-x)= 0
I really need help right now please i will mark brainliest and give lots of points
Answer:
What do you need help with?
Step-by-step explanation:
Answer:
what is the problem?
Step-by-step explanation:
(х + 5) + (х – 2)
3
7
оооо
2х + 3
2x +7
What’s the correct answer?
Answer:
the correct answer is 2x+3
Step-by-step explanation:
because your adding the (x) factors together then your adding a negitive to a positive so you would get a lower number
What is the discriminant of the quadratic equation 9x^2+5x-9=0
Answer:
Δ = 349
Step-by-step explanation:
Given a quadratic equation in standard form
ax² + bx + c = 0 ( a ≠ 0 ) , then the discriminant is
Δ = b² - 4ac
9x² + 5x - 9 = 0 ← is in standard form
with a = 9, b = 5 , c = - 9 , then
b² - 4ac
= 5² - (4 × 9 × - 9)
= 25 - (- 324)
= 25 + 324
= 349
Solve the system of equations by elimination:
3x+y=5
2x-2y=-2
NO LINKS PLEASE
Answer: (1, 2)
x = 1 and y = 2
Step-by-step explanation:
3x + y = 5 Multiply this equation by 2 => 6x + 2y = 10
2x -2y = -2 => + 2x - 2y = -2
8x = 8
**divide both sides by 8 => x = 1
*** substitute 1 for x in either equation to get y
3(1) + y = 5
-3 -3
y = 2
Help plz. No links.
What is 8.21 times 4.2?
Show your work.
Answer:
34.482 is the answer to your question
Please helppppp
Reagan solved 5.25 = 5 and got 105. What did Reagan do wrong?
Answer:
He did not simplify correctly and forgot to place the decimal point correctly.
Step-by-step explanation:
To simplify the equation, one needs to divide both sides of the equal sign by 5.
i.e 5.25/5=5/5
Here we find 1.05=1
Note the placement of the decimal point.
51 samples were analyzed, and the sample mean was 9.7 ounces. Can you determine the standard deviation of the sample
Using the Central Limit Theorem, it is found that the standard deviation for the sampling distribution of sample means is given by:
[tex]s = \frac{\sigma}{\sqrt{51}}[/tex].
In which [tex]\sigma[/tex] is the population standard deviation.The Central Limit Theorem states that, the sampling distribution of sample means of size n, from a population with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], has mean [tex]\mu[/tex] and standard deviation, which is also called standard error, [tex]s = \frac{\sigma}{\sqrt{n}}[/tex].
In this question, 51 samples, hence, [tex]n = 51[/tex]
Hence, applying the Central Limit Theorem, the standard deviation for the sampling distribution of sample means is given by:
[tex]s = \frac{\sigma}{\sqrt{51}}[/tex].
In which [tex]\sigma[/tex] is the population standard deviation.A similar problem, which also involves the Central Limit Theorem, is given at https://brainly.com/question/24663213
helpppp
simplify √5 × √3
Answer:
√15
Step-by-step explanation:
When you multiply surds:
multiply the numbers inside the square roots i.e. √(5 × 3) = √15simplify if possible (not possible in this case)Hope this helps!
Pls help, will give brainleist
Answer:
See below:
Step-by-step explanation:
Hello! My name is Galaxy and I'll help you with your problem today. I hope you are having a nice day!
The Function
First of all, to figure out the function and how it will work, with that, we can see that it is a parabola, a parabola is a function which looks like a curve in which the multiplication of the [tex]x[/tex] cation, when more smaller, is more wider.
Parabola's also have two ways they go, them being upwards and downwards which in the quadratic formula are figured out by the a catition.
[tex]ax^2+bx+c=0[/tex]
Solving
So, we know to find for [tex]f(1)[/tex] we have to find what is y when x is 1. To solve for that, we can look at the function's graph and see that when x is one, y is 5.
Solution
To solve for this, we can usually just look at the graph to see where the point where we need to find is, but, we also might have to graph the equation if the graph is not already given.
So our answer would be [tex]y=5[/tex] and/or [tex](1,5)[/tex]
Cheers!
i will put brailly helpppppppppppppppppppppppppppppppppppppppppp
Answer:
1. Even Chance
2. Even Chance
3. No Chance
4. No Chance
5. Even Chance
(NOT SURE)
(but im sure)
if a man travels at an average speed of 122km per hour how far will he travel in 3 hours and 45 minutes
Please help me with this question thx
Answer:
>
>
>
Step-by-step explanation:
Hello! I have a project where I invite 5 people to a “dinner party” to school. I want to invite a girl named Jaci Butler. Jaci Butler is her own agent in the singing industry. I found her address and want to send her a mail. Does this count as stalking? If you were Jaci butler, what would you think I’m a stalker? If you were her, would you come?
Answer:
I will it was a stalker too because I don't know him/her and I wouldn't come to the house of a stranger on me
HELP PLEASE!!! WILL GIVE BRAINLIEST
Answer:
See below for answer
Step-by-step explanation:
Domain is the x-value in the ordered pair
Range is the y- value in the ordered pair
1. D = {3, 2, 1, 0} R = {-5, -4, -3, -2}
2. D = {-2, 0, 2, 4} R = {1, 2, 4, 6}
3. D = {10, 8, 6, 4} R = {-1, 2, 5, 8}
4. D = {-5, -3, -1, 1} R = {-5, -3, -1, 1}
5. D = {-4, -1, 2, 3} R = {4, 0, 4, 6}
(6-i\sqrt(2))/(6+i\sqrt(2))
Answer: 18 sqrt= i
Hope this helps :)
Step-by-step explanation:
the base of a triangle is eight less than twice it’s height, if the area of the triangle is 5cm^2 find the length of the base
Answer:
the height = 5cm
the base = 2cm
Step-by-step explanation:
Given trapezoid WXYZ, what is XY?
Answer:
XY = 16 ft
Step-by-step explanation:
The mid segment DE is half the sum of the parallel bases, that is
[tex]\frac{XY+WZ}{2}[/tex] = 20 ( multiply both sides by 2 to clear the fraction )
XY + WZ = 40
XY + [tex]\frac{3}{2}[/tex] XY = 40 ( multiply through by 2 to clear the fraction )
2XY + 3XY = 80
5XY = 80 ( divide both sides by 5 )
XY = 16
CAN SOMEONE HELP ME PLEASE ASAP!
quick question is this area or perimeter?
Answer:
2 and 3
Step-by-step explanation:
to be similar, there must have been the same scaling factor applied for length and width.
when going from 2 to 3 the width changes from 5 to 7, that is a changing factor of 7/5 = 1.4
and the length changes by the same factor :
6.5 × 7/5 = 1.3 × 7 = 9.1
5x+3y=-21 into slope intercept form
Answer:
y = 5/3x - 7
Step-by-step explanation:
5x + 3y = -21
5x - 3y = -21
-3y = -5x - 21
-y = -5/3x + 7
y = 5/3x - 7
Kayden Kohl
8th Grade Student
Answer:
Step-by-step explanation:
Y=5/3x -7
When deriving the Quadratic Formula, we start with the general equation for a quadratic:
Answer:
Step-by-step explanation:
c sssFind:x , if |x |=6; |x |=3.2; |x |=0
* like x= ...
Answer:
|x|=6 we have x1=-6 x2=6
|x|=3.2 we have x1=-3.2 x2=3.2
|x|=0 x=0
How do you solve , (x+3)2 ?
Answer:
Distributive property of multiplication.
Step-by-step explanation:
2(x+3)
Multiply 2 times x, and 2 times 3 so that you get:
2x+6
Answer:
(x+3)2= 2 × x 2 × 3= 2x + 6Step-by-step explanation:
If you like my answer than please mark me brainliest thanks
4. What are deductions?
A.)the amount of money added to the gross pay for commission-based sales
B.)the amount of money included with tips
C.)the amount of money subtracted from the gross pay earned for things like taxes, medical benefits, and retirement benefits
D.)incentives employees earn for the amount sold
Answer:
C.) the amount of money subtracted from the gross pay earned for things like taxes, medical benefits, and retirement benefits
Step-by-step explanation:
Answer:
the answer is C.) the amount of money subtracted from the gross pay earned for things like taxes, medical benefits, and retirement benefits
PLS HELP ASAP ILL GIVE BRAINLKEST THANKS
Answer:
x<4
Step-by-step explanation: brainlieast plz
please help me with these 2 questions for a brainlist !
+give explanation to answer
Answer: Option 3 is the answer hope this helps!
Step-by-step explanation: Option 3
Ritta purchased a package of stickers. She noticed 4 out of every 5 stickers where purple. Which table shows the relationship between the number of purple stickers, p, and the total number of stickers, t?
Answer:
4:5
Step-by-step explanation:
I don't see the table but since it is 4 out of every 5 stickers are purple, the ratio would be 4:5, 4/5, or 4 to 5. It doesn't really matter, because all of these mean the same thing.
Tell me if I'm wrong :)
Which step? I’m sort of confused
The answer is C) Step 3
Li forgot to multiply the two negatives in order to get positive 3/10. The answer should not be negative.
The right steps are:
-4/5 / 8/-3
Flip the second part to multiply:
-4/5 * -3/8
Multiply:
12/40
Simplify:
3/10
I hope this helps!
What is the name given to this shaded region
Answer:
The name given to the shaded region would be the positive interval because all f(x) values in that region are positive.
Please tell me what the Point Slope Slope Intercept Standard is for these graphs
Answer:
1st graph:
Slope-intercept is y = -7/2x + 3
Point Slope is y + 4 = -7/2(x - 2)
Standard is 7x + 2y = 6
2nd graph:
Slope-intercept is y = 1/2x - 4
Point Slope is y + 2 = 1/2(x - 4)
Standard is x - 2y = 8
3rd graph:
Slope-intercept is y = 3x - 3
Point Slope is y - 3 = 3(x - 2)
Standard is 3x - y = 3
4th graph:
Slope-intercept is y = -2/7x - 4
Point Slope is y + 2 = -2/7(x + 7)
Standard is 2x + 7y = - 28
Step-by-step explanation:
Point Slope formula⤵⤵⤵:
[tex]y - y _{1} = m(x - x _{1})[/tex]
Slope-intercept formula⤵⤵⤵:
[tex]y = mx + b[/tex]
Standard formula⤵⤵⤵:
[tex]Ax + By = C[/tex]
Sorry this took a while, I was doing other stuff for school. I also had to relearn point slope for this, so it took me some time to figure it out. Hope this helps though :)
