Answer:
36
Step-by-step explanation:
x^2 + 12 x = 40
To complete the square, take the coefficient of the x term
12
Divide by 2
12/2 = 6
Square it
6^2 = 36
Add 36 to each side
30 was rounded to 1 significant figure.
What is the lower bound?
Answer:
25.
Step-by-step explanation:
25 to 1 significant figure is 30.
Can you answer these, please?
Answer:
A, A
Step-by-step explanation:
they are both A´s
PLEASE HELP WILL GIVE BRAINLIEST
Answer:
length of a regular hexagon's sides is using the following formula: s = P ÷ 6, where P is the perimeter of the hexagon, and s is the length of any one of its sides.
Which of the four represents x or y
Answer:
Option B
Step-by-step explanation:
hope it helps...
have a great day!!
All Questions Are Above
Answer:
2. 5.25
3. 3
4. 81.68
Step-by-step explanation:
Hope this helps and sorry if i'm wrong
Please help , will mark brainliest.
Answer: 30 ft
hope this helped :)
Halla X
Para una practica de 11 mins q-q
Andre is preparing for the school play and needs to paint the cardboard castle backdrop that measures 16 1/3 feet by 6 feet.
1. How much cardboard does he need to paint?
2. If one bottle of paint covers an area of 30 square feet, how many bottles of paint does Andre need for his backdrop? (Remember, he can't buy a partial bottle of paint.)
Which is the value of this expression when m=3 and n=-5? (6m^-1 n^0)^-3
A:-8
B:-1/8
C:1/8
D:8
Answer:
The answer is C.
Step-by-step explanation:
I would simplify the expression first.
Equation: (6m^-1)^-3
You can get rid of n^0 because that equals 1.
Any expression raised to the power of -1 equals its reciprocal.
Equation: (6/m)^-3
Equation: (m/6)^3
Final Equation: m^3/216
Now, plug in 3.
(3)^3/216.
27/216 = 1/8
Hope this helps!
what is the slope of this graph
Answer:
-4
Step-by-step explanation:
Slope is -4.
Because 0-6 / 3-1
-6 / 2 = -4
Answer:
here is your answer: the line is your rise over run. not what you wanted? if so.. the answer to the question is the change in x and in y
Step-by-step explanation:
Write the equation of the line that passes
through the points (-7,-9) and (-3,-1)
Answer:
2x + 5
Step-by-step explanation:
I am assuming you are talking about a linear function. If it is, then the equation would be:
2x + 5.
Hope this helps!
Answer:
[tex]y = 2x + 5[/tex]
Step-by-step explanation:
For this example, I used the slope-intercept form, [tex]y = mx + b[/tex], where m represents the slope and b represents the y-intercept.
In order to find the equation, we must find the slope and y-intercept.
Finding mThe slope can be found with the formula:
[tex]m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}[/tex], where the x and y variables represent different x and y values from the given points.
Substituting in values from the points, we get:
[tex]m = \frac{-1 + 9}{-3 + 7}\\\\m = \frac{8}{4}\\\\m = 2[/tex]
Finding bIn order to find the y-intercept, we must substitute the slope back into the original equation:
[tex]y = 2x + b[/tex]
After this, we must also substitute either of the two points. Both will give the correct answer, but (-3, -1) will be used for this example.
[tex]-1 = 2(-3) + b\\-1 = -6 + b\\5 = b[/tex]
Finding the equationAfter this, all that must be done is to substitute the values for b and m back into the original equation.
[tex]y = 2x + 5[/tex]
To check our work, we can substitute in either of the given points. For demonstration purposes, (-7, -9) will be used.
[tex](-9) = 2(-7) + 5\\-9 = -14 + 5\\-9 = -9[/tex]
Pam is 11 years older than Carl. If the sum of their ages is 91, how old are Pam and Carl?
Answer:
Pam is 51 while Carl is 40
Step-by-step explanation:
Could someone answer this please?
Answer:
I think its false
Step-by-step explanation:
I've tried every strategy there is no way there could be a function
Answer:
I think its false
Step-by-step explanation:
cuz it's not a function
Ms. Gonzales is investing $17000 at an annual interest rate of 6%
compounded continuously. How much money will be in the account after
16 years? Round your answer to the nearest hundredth (two decimal
places).
Answer:
44398.84
Step-by-step explanation:
17,000e^(0.06)(16)
it helps to use a desmos scientific calculator
Which set of numbers contains only rational numbers?
Answer:
A because of the Earth or D because of you
Tanisha grew by 15 cm in the past year, and is now 1.5 meters tall. How tall in cm was Tanisha last year?
Answer:
Tasha was 135 cm last year
Step-by-step explanation:
1/2x^2-x-4=0 (PLEASE GIVE REAL ANSWER)
Find the Axis of Symmetry and Vertex and Solutions. Show work.
A company that sells yoga mats estimates its annual profit using the equation below, where x represents the wholesale price in dollars of 1 yoga mat, and P = annual profit in thousands of dollars.
P = 10x? - 280x + 1,600 When the expression on the right side of this equation is factored completely, which best describes the meaning of the factors?
The annual profit is zero at a wholesale price of $80 and zero at a wholesale price of $200.
The annual profit is zero at a wholesale price of $8 and maximized at a wholesale price of $20.
The annual profit is zero at a wholesale price of $80 and maximized at a wholesale price of $200.
The annual profit is zero at a wholesale price of $8 and zero at a wholesale price of $20.
Answer: (d)
Step-by-step explanation:
Given
Annual profit is given by
[tex]P=10x^2-280x+1600[/tex]
When it is factored then,
[tex]\Rightarrow 10x^2-280x+1600=0\\\Rightarrow 10\left( x^2-28x+160\right)=0\\\Rightarrow x^2-20x-8x+160=0\\\Rightarrow x(x-20)-8(x-20)=0\\\Rightarrow (x-8)(x-20)=0\\\Rightarrow x=8,20[/tex]
On factorization, we get that annual profit is zero at a whole prize of $8 and $20.
The height, h, of a baseball thrown upward with an initial velocity of 10
feet per second from 6 feet above the ground is modeled by the function
h = -16x2 + 10x + 6, where x is the time in seconds. How long does it
take before the ball hits the ground?
Answer:
1 second
Step-by-step explanation:
use the general quadratic formula
Help MATH please EEEEE
Can anyone help? PLS I NEED THIS BY TOMORROW!!
Answer:5 or 5 degrees
Step-by-step explanation:
the box means 90 degree so if you divide 45 with 90 you get 2
2 divided by 10 = 5
Answer:
x = y = 10
Step-by-step explanation:
Using the cosine ratio in the right triangle and the exact value
cos45° = [tex]\frac{1}{\sqrt{2} }[/tex] , then
cos45° = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{x}{10\sqrt{2} }[/tex] = [tex]\frac{1}{\sqrt{2} }[/tex] ( cross- multiply )
x × [tex]\sqrt{2}[/tex] = 10[tex]\sqrt{2}[/tex] ( divide both sides by [tex]\sqrt{2}[/tex] )
x = 10
Since the base angles are 45° then the triangle is isosceles and the 2 legs are congruent, then
x = y = 10
Normal distribution has a mean of 103 and a standard deviation of 2.7 what is the Z score of 105. enter your answer rounded to the nearest hundredth.
Answer:
Step-by-step explanation:
105 - 103 ]
_________ = z score ≈ 0.74
2.7
Which expression shows the product of the sum 3 and h and 8?
3 + h + 8
8(3 + 8 )x 3
(H + 8 )x 3
3 x h x 8
Answer:
I'm sorry I am not trying to steal your points but do you mean the product of the sum of 3? Because a letter can't be a sum unless it equals to a number
Circles A, B, and C overlap. The overlap of circles B and C is labeled x.
Which statements are true about x? Select three options.
x ∈ B ⋃ C
x ∈ B ∩ C
x ∈ A ⋃ C
x ∈ A ∩ C
x ∈ A
Given:
Circles A, B, and C overlap.
The overlap of circles B and C is labeled x.
To find:
The three correct statements about x.
Solution:
It is given that the overlap of circles B and C is labeled x. It means x represent the common elements of B and C.
So, x belongs to the intersection and union of B and C.
[tex]x\in B\cup C[/tex]
[tex]x\in B\cap C[/tex]
Since x is the element of C, therefore it is also the element of A union C.
[tex]x\in A\cup C[/tex]
The overlap of circles B and C is labeled x. It means [tex]x\notin A[/tex]. So,
[tex]x\notin A\cap C[/tex].
Therefore, the correct options are A, B and C.
Answer:
A, B and C.
Step-by-step explanation:
edge
What is the length, in feet, of the hypotenuse of a right triangle with legs that are 6 feet long and 7 feet long, respectively?
√
13
square root of 13
√
85
square root of 85
13
13
21
21,
42
The World Health Organization (WHO) suggests having 23 health-care workers for every 10,000 people. How many health-care workers are needed to meet the suggestion of 250,000 people? Justify your answer using a graph.
Answer:
575Step-by-step explanation:
10000 ⇒ 23250000 ⇒ xCross-multiply and solve for x:
x = 250000*23/10000x = 575Health care workers be x
x/23=250000/10000x/23=25x=23(25)x=575Graph attached
Scale applied 1=0.001
Sharlene opened a new account and deposited $6,000.
- The bank pays 5.5% interest compounded annually.
- She makes no other deposits or withdrawals.
Which amount is closest to the amount in her account at the end of 5 years? 9 points
A. $7,841.76
B. $7,650.00
C. $6,330.00
D. 6,155.00
Answer:
B
Step-by-step explanation:
Find the radius of a hemisphere with a volume of 106.1 cubic inches. Round to the nearest tenth if necessary.
Answer:
Step-by-step explanation:
14 = 7n
help please
Answer:
n = 2
Step-by-step explanation:
divide by 7 on both sides
Answer:
n = 2
Step-by-step explanation:
7n is the same as 7 times value = 14.
You may find the value of n by simply dividing both sides by seven, in order to isolate the variable.
^ 14/7 = 7n/7
^ (simplified) 2 = n or n =2
Therefore:
Your answer is 2 or n's value in this scenario is 2.
In a right triangle, the base is 12 m and the hypotenuse is 15 m. What is the length of height?
A. 81m
B. 9 m
C. 12 m
D. 19.2 m
HELP NOW PLEASE
Answer:
L = Hyp²-B²
L=15²-12²
L =225 - 144 = 81
L= √81=9
L= 9m