Answer:
The equation in standard form is [tex](x + 1)^{2} + (y - 10)^{2} = 4[/tex]
Step-by-step explanation:
The distance from (-1, 12) to (-1, 8) = 4 = diameter of the circle. So, 2 = radius
The center of the circle is at (-1, 10)
The equation in standard form is [tex](x + 1)^{2} + (y - 10)^{2} = 4[/tex]
12x^2-36x=0 solve for x
solve for x
Answer:
x = 0 or x = 3
Step-by-step explanation:
This is a quadratic equation, but because the constant term is zero, we can speed up the solution by factoring 12x^2 - 36x = 0:
12(x^2 - 3x) = 0, or
12(x)(x - 3) = 0
Thus, either x = 0 or x = 3
Find the value of x. Round to the nearest tenth if needed.
What is the value of x in the figure below?
(3x + 8):
35
9
=|ო
45
WN
O
81
Answer:
c?
Step-by-step explanation:
A line passes through the point (-6, 5) and has a slope of -3.
Write an equation in slope-intercept form for this line.
Answer:
y
Step-by-step explanation:
y
=
4
x
−
26
Explanation:
The slope-intercept form of a line is:
y
=
m
x
+
b
where:
m
is the slope of the line
b
is the y-intercept
We are given that
m
=
4
and the line passes through
(
7
,
2
)
.
∴
2
=
4
⋅
7
+
b
2
=
28
+
b
b
=
−
26
Therefore the equation of the line is:
y
=
4
x
−
26
graph{y=4x-26 [-1.254, 11.23, -2.92, 3.323]}
solve for x
x/11 = 10/12
Answer:
x = 9 and 1/6
Step-by-step explanation:
Cross multiply:
x × 12 = 10 × 11
12x = 10 × 11
12x = 110
Divide each side by 12:
12x ÷ 12 = 110 ÷ 12
x = 110 ÷ 12
x = 9 and 1/6
As a decimal: x = 9.1666666666667
Help plz!!!!!!!!!!!!!!!?
Answer: step 2
Step-by-step explanation:
2.2.2 A woman has a mass of 350lb. what is the mass in kg?
Answer:
158.757
Step-by-step explanation:
look it up
Answer:
Step-by-step explanation:
1 kg = 2.205 lb
350 lb × (1 kg)/(2.205 lb) = 157.8 kg
5 - 2 (4а + 1) - За - 13 I need help
Answer:
-11a - 10
Step-by-step explanation:
simplify in order of terms: -2(4a + 1) - 3a - 13 + 5
simplify: -8a - 2 - 3a - 8
simplify again: -11a - 10
A scooter costs $160. A bicycle costs 20% more than the scooter. How much does the bicycle cost? ?
Answer:
$192
Step-by-step explanation:
160 = 100% or 1.00
20% = 0.2 + 1.00
= 1.20
160 x 1.20 = $192
Answer:
$192
Step-by-step explanation:
$160 + 20% = $192
A sample of a radioactive isotope had an initial mass of 360 mg in the year 1998 and
decays exponentially over time. A measurement in the year 2004 found that the
sample's mass had decayed to 270 mg. What would be the expected mass of the
sample in the year 2011, to the nearest whole number?
Answer:
193 mg
Step-by-step explanation:
Exponential decay formula:
[tex]A_t = A_0e^r^t[/tex]where Aₜ = mass at time t, A₀ = mass at time 0, r = decay constant (rate), t = timeOur known variables are:
1998 to the year 2004 is a total of t = 6 years.The sample of radioactive isotope has an initial mass of A₀ = 360 mg at time 0 and a mass of Aₜ = 270 mg at time t.Let's solve for the decay constant of this sample.
[tex]270=360e^-^r^(^6^)[/tex][tex]270=360e^-^6^r[/tex] [tex]\frac{3}{4} =e^-^6^r[/tex][tex]\text{ln} (\frac{3}{4} )= \text{ln}(e^-^6^r)[/tex] [tex]\text{ln} (\frac{3}{4} )=-6r[/tex] [tex]r=-\frac{\text{ln}\frac{3}{4} }{6}[/tex] [tex]r=0.04794701[/tex]Using our new variables, we can now solve for Aₜ at t = 7 years, since we go from 2004 to 2011.
Our new initial mass is A₀ = 270 mg. We solved for the decay constant, r = 0.04794701.
[tex]A_t=270e^-^(^0^.^0^4^7^9^4^8^0^1^)^(^7^)[/tex] [tex]A_t=270e^-^0^.^3^3^5^6^2^9^0^7[/tex][tex]A_t=193.01982213[/tex]The expected mass of the sample in the year 2011 would be 193 mg.
2. The weights (in pounds) of three adult males are
160, 215, and 195. The standard error of the mean of
these three weights is
(a) 190. (b) 27.84. (c) 22.73. (d) 16.07. (e) 13.13.
Answer:
(d) 16.07
Step-by-step explanation:
Step 1
We find the mean
Formula = Sum of Terms/Number of Terms
= 160+ 215 + 195/3
= 570/3
= 190
Step 2
We find the Standard Deviation
We use the formula for Sample Standard deviation =
√Mean - x/n - 1
n = 3
= √[(160 - 190)² + (215 - 190)² + (195 - 190)²]/3 - 1
= √1550/3
= √775
= 27.83882181
Approximately = 27.84
Step 3
We find the Standard Error of the mean
The formula = Standard deviation/√n
= 27.84/√3
= 16.07
Option d is correct
Based on the information given, the standard error of the mean of these three weights is 16.07.
The mean of the numbers will be:
= (160 + 215 + 195)/3
= 190
The standard deviation will be approximately 27.84.
Lastly, the standard error will be:
= 27.84 × ✓3
= 16.07
Learn more about mean on:
https://brainly.com/question/14532771
please answer asap 17 brainy points is all I had left
Answer:
A) 69.08 m
Step-by-step explanation:
C=2πr
C=2π(11)
C=22π
C≈69.12
Answer:
drraaaaaa wild'n out boiii
Step-by-step explanation:
Taking my points back.
what is 30% of $240?
Answer:
72
Step-by-step explanation:
.30×240
72
Answer:
$72
Step-by-step explanation
You need to turn a percent into a decimal. To do that, you move the decimal twice to the left so, 30%=.3.Multiply: 240*.3=72$72Hope this helped!! :)
Stay safe and have a wonderful day/night!!!!!
Brainliest?!?!
please help im offering the highest amount of points I can give.
Answer:
96 cm^3
Step-by-step explanation:
I hope this helped!
Okay last question, please someone help me !
Answer:
hey mate!!
Step-by-step explanation:
-28 is the answer
Answer:
-28
Step-by-step explanation:
203/4108 as a percent
a. 4.94%
b. 20.24%
c. 0.049%
d. 49.42%
Please simplify this expression.
1 + 4.25n + 32p – 3 + (–2p) + 54n
Answer:
58.25n+30p-2
Step-by-step explanation:
Given the expression as;
1 + 4.25n + 32p – 3 + (–2p) + 54n
collect like terms
1-3+4.25n+54n+32p-2p
-2+58.25n+30p
58.25n+30p-2
I have copied one brainly user's answer, sorry for that...
However, hope it helps you!!!
In the figure below, MN | KL and are intersected by transversals ML and KN M 1551 What is the measure of , XMN?
130°
85°
55°
50°
Answer:
∠ XMN = 50°
Step-by-step explanation:
∠ XNM and ∠ XKL are alternate angles and are congruent, then
∠ XNM = 35°
The sum of the 3 angles in a triangle = 180° , so
∠ XMN = 180° - (95 + 35)° = 180° - 130° = 50°
Production shows that only 3 of the first 10 phones are working which is 30% of the phones describe how the percentage other working phones changes if the 11th and 12th phone won't work correctly
Answer:
If you have 10 phones, this is the 100%
then:
10 = 100%
Now we know that only 3 of them work correctly, then the percentage of pones that works correctly can be related to:
3 = X%
To find the value of X%, we can take the quotient of the equations:
3 = X%
and
10 = 100%
We ge:
(3/10) = (X%/100%)
We solve this for X and we get:
(3/10)*100% = X% = 30%
As we already know.
Now let's see how this percentage changes if we add more phones that do not work correctly.
Now we add another phone that does not work, so we have a total of 11 phones and 3 of them work.
then:
3 = X%
11 = 100%
The quotient is:
(3/11) = (X%/100%)
(3/11)*100% = X% = 27.3%
If we add another phone, now we have 12 phones and only 3 of them works, then 12 is the 100%, and we have the equations:
3 = X%
12 = 100%
Then we get:
(3/12) = X%/100&
(3/12)*100% = X% = 25%
Someone help and please make sure it’s right
Answer:
20°
Step-by-step explanation:
Look at the attached photo.
∠a and ∠e are equal because they are vertical angles.
So, m∠a = 110°
Then, ∠f is an exterior angle to angles a and c. So,
m∠f = m∠a + m∠c
Substitute and solve.
130 = 110 + m∠c
m∠c = 20°
Then, ∠c and ∠d are vertical angles so they are equal.
m∠c = m∠d
m∠d = 20°
I hope this helps! Feel free to ask any questions!
Sampling and Design
In an experiment, _____________ means keeping other variables constant for all experimental units.
Answer is in a photo. I can't attach it here, but I uploaded it to a file hosting. link below! Good Luck!
cutt.us/tWGpn
100 points! Mhanifa please help! Look at the picture attached. I will mark brainliest.
Answer:
D. CircumcenterStep-by-step explanation:
Those cities are located on the vertices of the triangle.
The circumcenter of a triangle is the point equidistant from the three vertices of the triangle.
Correct option is D.
Answer:
Incenter
Step-by-step explanation:
1) Since the newest location must be at the same distance from that Triangle's verticles.
2) Then, according to that, the point that it's central and equidistant is the incenter, Because the incenter is at the center of an inscribled circle.
3) Hence, the answer is Incenter.
Help me please I need help
Answer:
a=11
Step-by-step explanation:
hold on our servers are swamped
A person invests 2000 dollars in a bank. The bank pays 4.75% interest compounded
quarterly. To the nearest tenth of a year, how long must the person leave the money
in the bank until it reaches 3500 dollars?
A = P(1 + + ?.)nt
n
00
Answer:
Submit Answer
Answer:
t = 2.7
Step-by-step explanation:
1. Use formula provided
2. A = 3500 B = 2000 r = 4.75 n = 12months/4 = 3 months t = ?
3. Solve
3500=2000(1+4.75/3)^3t
3t=logbase(31/12)*1500
t=logbase(31/12)*1500 / 3
t ≅2.568
Answer:11.9
Step-by-step explanation:
Find the value of x, y, and z.
degrees, y =
type your answer...
degrees, z =
type your answer...
Degree =
Answer:
x = 61°
y = 61°
z = 58°
Step-by-step explanation:
In the given triangle, measures of two sides are equal. So, measures of angles opposite to them are also equal.
Therefore,
[tex]x + x + 58 \degree = 180 \degree \\ \\ 2x = 180 \degree - 58 \degree \\ \\ 2x = 122 \degree \\ \\ x = \frac{122 \degree}{2} \\ \\ x = 61\degree \\ \\ y = 61\degree \\ ( \angle s \: in \: the \: alternate \: segment) \\ \\ z = 58\degree \\ ( \angle s \: in \: the \: alternate \: segment) \\ [/tex]
Help I have 10 minutes left
55
15x + 5
8
09
0.7
O 3,3
x+(y+1) divided by 5
Answer:
uhm so you'd assume y is more than 5 so maybe try x +(7+1) /5
now do x + 8 /5. x must be like 7 so
x= 7 and y= 7 so it is 7 + (7+1) divided by 5 which is 3 I believe
simplifying it just as is is more like x + (y+1) / 5
your welcome :3
Step-by-step explanation:
Determine the slope of the line that passes through the points (-1,7) and (2,9)
Answer:
y=2/3x+23/3
check image
The dimensions of a rectangular community garden are 47 ft by 27 ft. The gardeners plan to divide the garden into equal-sized square plots. What is the greatest possible side length of each square plot? Use pencil and paper. How many square plots will there be with this side length? What will be the total area of the square plots? Explain how you can use the total area to check your work.
Answer:
the greatest possible length of each square plot is 1 ft.
1,269 square plots
Step-by-step explanation:
Since the plots are going to be squares then the width and length need to be the same. This means that the largest size of these plots would be calculated as the largest common divisor of the length and width of the garden. In this scenario, since 47 only has two divisors 1 and 47, and 27 is not divisible by 47 then the GCD of these two numbers would be 1. Meaning that the greatest possible length of each square plot is 1 ft.
To calculate the total number of plots needed we divide the square footage of the garden by the square footage of each individual plot like so...
47 * 27 = 1,269 sq. ft.
1 * 1 = 1 sq. ft.
1,269 / 1 = 1,269 plots
Finally, we see that we need a total of 1,269 square plots to cover that same area of the garden.
this is a lil hard can i get help?
Answer:
A. 5+3=3+5
Step-by-step explanation:
The commutative property of addition says that changing the order of numbers does not change the sum. In this case, they both equal 8 even though the numbers are switched.