Answer: about 0.0202161
Step-by-step explanation:
This is a transcendental equation, so graph the two equations and find the x coordinate where they intersect.
1. Find the equation of a line passing through the points (1,-2) and (-3,10).
Answer:
Step-by-step explanation:
(1 , -2) x₁ =1 & y₁ = -2
(-3,10) x₂= -3 & y₂ = 10
First we need to find the slope.
[tex]\boxed{Slope = $\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}$}[/tex][tex]\boxed{Slope=\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}}[/tex]
[tex]=\dfrac{10-[-2]}{-3-1}\\\\\\=\dfrac{10+2}{-4}\\\\\\=\dfrac{12}{-4}\\\\\\= - 3[/tex]
m = -3
Equation of the line: y = mx + b
y = -3x + b
To find the value of b, take one of the point and substitue in the above equaiton.
(1 , -2)
-2 = -3*1 + b
-2 = -3 + b
-2 + 3 = b
b = 1
Equation of the line:
y = -3x + 1
Three students rotate the given figure around the origin.
Byron rotates the figure 90° clockwise.
Gaven rotates the figure 90counterclockwise.
Hollie rotates the figure 180°
Drag the result of each student's rotation into the table
Answer: It is the third to the top
Step-by-step explanation:
90's block each other out add you rotate it 180 degrees you get this.
Maria wrote the equation log (startfraction x over 2 endfraction) log (startfraction 20 over x squared endfraction) = log 8 what is the solution to maria’s equation?
The solution to maria’s equation [tex]\rm log\frac{x}{2} +log\frac{20}{x^{2} } = log8[/tex] by using the properties of the logarithm is 5/4.
What is a logarithm?A logarithm is the exponentiation inverse function that can be expressed by the exponent or power to which a base must be raised to yield a number.
It is given that
[tex]\rm log\frac{x}{2} +log\frac{20}{x^{2} } = log8[/tex]
Using properties of a logarithm, we get
[tex]\rm log x + log y=logxy[/tex]
[tex]\rm log[\frac{x}{2} \times\frac{20}{x^{2} }] = log8\\\rm log[\frac{10}{x}] = log8[/tex]
on comparing
10/x = 8
x = 10/8
x = 5/4
Hence, the solution to maria’s equation [tex]\rm log\frac{x}{2} +log\frac{20}{x^{2} } = log8[/tex] is 5/4.
Learn more about logarithm;
https://brainly.com/question/20785664
Answer:
C
Step-by-step explanation:
C) 5/4
how to simplify 8 + ( -6 ) + 4
Answer:
6
Step-by-step explanation:
8+4=12
12-6=6
The price of a machine depreciates by 10% every
year. If the machine is bought for $18000 and sold
after 3 years, what price will it fetch?
A bag has six balls labeled a,b,c,d.e and f . One ball will be randomly picked, and its letter will be recorded as the outcome. Give the sample space describing all possible outcomes. Then give all of the outcomes for the event of choosing the letter b,e or c . If there is more than one element in the set, separate them with commas.
Answer:
Step-by-step explanation:
given that a bag contains 6 balls labelled A to F.
Given that a ball is drawn at random and its letter is recorded as outcome.
Since each ball is equally likely to be drawn the sample space for one ball drawing is
S = {A,B,C,D,E,F} and n(S) = 6
Let G be the event of choosing a lable from D to F
G = The event of choosing a label from D to F= {D,E,F} n(A) = 3
A sample space is a set which contains the set of all the possible outcomes or results that could occur while performing an experiment.
i.e. the sample space while flipping a coin is: {H,T}
The sample space while tossing a six-sided die is: {1,2,3,4,5,6}
Here it is given that:
A bag has six balls labeled: A,B,C,D,E,F
One ball will be randomly picked, and its letter will be recorded as the outcome.
This means that the sample space is given by:
Sample space={ A,B,C,D,E,F}
Now, when the event is choosing a letter from D to F.
Then the sample space is:
Sample space= {D,E,F}
A manufacturer makes a closed right cylindrical container whose base has radius 7 inches and whose height measures 14 inches. He also makes another cylindrical container whose base has radius 14 inches and whose height measures 7 inches. Which container requires more metal?
Answer:
The base is a triangle with a base length of 11 m and a corresponding height of 7 m. The height of the prism is 14 m. 12.
ILL GIVE BRAINLIST IF ITS CORRECT PLEASE HELP ASAP!!
Answer:
check the attachment and explanation below
Step-by-step explanation:
Explanation for statement 3 :
Suppose The number of shoppers on Saturday is 100 and the number of shoppers on Sunday is 200
Total number of shoppers = 300
On Saturday :
Q₃ = 70 then 25% of shoppers spent more then $70
then 25 shopper spent more then $70
On Sunday:
M’ = 70 then 50% of shoppers spent more then $70
then 100 shopper spent more then $70
On both days:
(100+ 25) shopper spent more then $70
Then 125 shopper spent more then $70
But 125 is not 75% of 100+200=300
Which statements are true about fractions and ratios? Select all that apply. All ratios are fractions. Some ratios are not fractions. All fractions are ratios. All ratios compare wholes and parts.
Answer: the person above is wrong
Step-by-step explanation: Some ratios are not fractions.
and All fractions are ratios
factorise:-
(a+b)³ - (a-b)³
[tex](a+b)^3 -(a-b)^3\\\\=(a+b-a+b)[(a+b)^2 + (a+b)(a-b) +(a-b)^2]\\\\=2b(a^2+b^2+2ab+a^2-b^2 +a^2 +b^2 -2ab)\\\\=2b(3a^2+b^2)[/tex]
Answer:
Step-by-step explanation:
(a + b)³ - (a - b)³ = a³ + 3a²b + 3ab² + b³ - [a³ - 3a²b + 3ab² -b³]
= a³ + 3a²b + 3ab² + b³ - a³ + 3a²b - 3ab² + b³
= a³ - a³ + 3a²b + 3a²b + 3ab² - 3ab² + b³ + b³
Here, the underlined terms will be cancelled.
= 6a²b + 2b³
= 2 * 3 *a²*b + 2*b³
= 2b* (3a² + b²)
the westside bakery uses 320 pounds of flour to make 1000 loaves of bread each loaf contains the same amount of flour.How many pounds of flour are used in each loaf of bread?
Answer:
1000/320=100/32=25/8 pounds of flour per piece of bread
Step-by-step explanation:
[tex]if \: each \: loaf \: contains \: the \: same \: amount \: of \: flour \: then \: each \: loaf \: contains \\ = \frac{1000}{320} \\ = 3.125[/tex]
therefore each loaf contains 3.125 pounds
brainliest and 50 points!
find the area of the regular polygon
A) 696
B)157.3
C) 1235.2
D) 946.4
To cook fondant, sugar and water are heated to 230°F. Then the mixture
is cooled at room temperature before it is kneaded. If the cooked fondant
cools to 200°F in 15 minutes in a 68°F kitchen, how long will it take to
cool to 100°F? (Hint: Find the constant k first.)
Using the Newton's law of cooling, the time it takes to cool to 100°F is 116 mins.
Newton's law of coolingAccording to the Newton's law of cooling, the when an object is exposed to the surrounding it looses heat rapidly untill it is at a thermal equilibrium with the suurroundings.
Now;
T(t) = T(s) + (To - Ts)e^-kt
T(t) = temperature at time T
To = initial temperature
Ts = temperature of the surrounding
k = colling constant
t = time taken
200 = 68 + (230 - 68)e^-15k
200 = 68 + 162e^-15k
200 - 68/162 = e^-15k
ln(0.815) = -15k
k = ln(0.815)/-15
k = 0.014 min-1
Now;
100 = 68 + (230 - 68)e^-( 0.014t)
100 -68/162 = e^-( 0.014t)
0.198 =e^-( 0.014t)
ln(0.198) = -( 0.014t)
t = ln(0.198)/-0.014
t = 116 mins
Learn more about newtons law of cooling: https://brainly.com/question/14643865:
i need answer please
Answer:
Below in bold.
Step-by-step explanation:
Radius of the pizza = 1/2 * 8 = 4 in.
Area of the whole pizza = π r^2
= π * 4^2
= 8 π
So if you take 1/8 away
the area left = 7/8 * 8 * π
= 7π
Taking π to be 22/7:
= 7 * 22/7
= approximately 22 in^2.
Factor x2 + 16 completely.
a (x + 4)(x + 4)
b (x + 4)(x − 4)
c Prime
d (x − 4)(x − 4)
Prime
Solution:Let's factor this expression.x^2+16The expression is prime.Let's see why all the other options are wrong.Option A) (x+4)(x+4)x*xx*44*x4*4This makes x^2+8x+16, not x^2+16.Hope it helps.
Do comment if you have any query.
Answer:
prime
Step-by-step explanation:
I tried to delete my answer
What is the square inches?
Answer:
given :-
for rectangular part: length=12in, breadth=8in
for triangular part:base=8in, height=3in
area of the given fig:
area of the given fig:area of 2 triangles +area of rectangle
[tex]→2( \frac{1}{2} \times b \times h) + l \times b \\ →2( \frac{1}{2} \times 8 \times 3) + 12 \times 8 \\ →24 + 96 \\ → {120in}^{2} [/tex]
hope it helps you<3Which of the following has a slope of 2 and a y-intercept of -4?
y = 2x + 4
y = -2x + 4
y = -2x - 4
y = 2x - 4
Answer:
y = 2x - 4
Step-by-step explanation:
y = ax + b
a = slope
b = y-int
so, in y = 2x - 4
a = slope = 2
b = y-int = -4
the function f(x) is defined by f(x)=3x. the inverse of f(x) is g(x) what is g(12)
Answer:
answer is 4
have a nice day
Find the distance between the two points rounding to the nearest tenth (if necessary). (-1,5) and (-7, -1)
Distance formula:
[tex]d = \sqrt{(x_{2}-x_1)^2 +(y_2-y_1)^2}[/tex]
Now replace the variables with the numbers (When you replace the numbers, it doesn't matter which is the first variable and second variable. Just do whatever is easiest).
[tex]d = \sqrt{(-1-(-7))^2+(5-(-1))^2}\\d = \sqrt{(-1+7)^2+(5+1)^2}\\d = \sqrt{6^2+6^2}\\d = \sqrt{36+36}\\d = \sqrt{72} \\d = 8.5[/tex]
Thus, the distance between the two points is 8.5
Select the polynomial that is a perfect square trinomial.
A. 9x2 + 9x + 1
B. 36b2 − 24b + 8
C.16x2 + 24x + 9
D.4a2 − 10a + 25
Answer:
option c 16x²+24x+9
please mark me as brainlist
what is 445 fl oz into pints and why?
Answer:
27.8 nearest tenth pints
To find, divide the value by 16
What is the answer to v/-6+79<92
Answer:
v > - 78
Step-by-step explanation:
Version 1.
v
----------- < 92
-6 + 79
v
------------ < 92
73
v
------------ < 92(73)
73(73)
v < 6716
-------------------------------------
Version 2
v
------------ + 79 < 92
-6 -79 -79
v
(-) ------------ < 13(6)
6(6)
-v < 78
÷-1 ÷-1
v > -78
I hope this helps!
Select the correct answer.
Consider this absolute value function.
f(I) = \1 +81
How can function fbe written as a plecewise function?
ОА
f(1) =
=
I + 8, I > 8
-I – 8, I <8
-
OB.
f(3) =
I + 8,
I > -8
-I + 8, I <-8
ОС.
f(3) =
I + 8 I > -8
-I -8, 13-8
-
OD
f(0) =
I + 8, I > 8
-I + 8, I < 8
Answer:
C.
Step-by-step explanation:
Samantha runs 4 1/2 miles in 45 minutes, or 3/4 hour. Nyomi runs 4 1/3 miles in 40 minutes or 2/3 hour. Who runs faster
Answer:✨Samantha✨
Step-by-step explanation:
A linear function is represented below.
Which function has a greater y-intercept than the function in the table?
A. y = 4x
B. y = –2x
C. y = –x – 1
D. y = –0.5x + 5
here is the chart it wouldn't let me do a screenshot:
X, Y
-2,-6
0 0
3 9
Solution:
D. y = –0.5x + 5
In this chart, the slope, (m):
[tex]\sf \dfrac{y_2-y_1}{x_2-x_1}}[/tex]
[tex]\hookrightarrow \sf \frac{-6-0}{-2-0}[/tex]
[tex]\hookrightarrow \sf \frac{-6}{-2}[/tex]
[tex]\hookrightarrow \sf 3[/tex]
Equation:
[tex]\sf y_1-y= m(x_1-x)[/tex]
[tex]\hookrightarrow \sf y-(-6)= 3(x-(-2))[/tex]
[tex]\hookrightarrow \sf y+6= 3x+6[/tex]
[tex]\hookrightarrow \sf y+6-6= 3x+6-6[/tex]
[tex]\hookrightarrow \sf y= 3x[/tex]
⇒ Thus we found in the chart, the slope is 3 and y-intercept : 0
A = y-intercept : 0B = y-intercept : 0C = y-intercept : -1D = y-intercept : 5From this D only has the greatest y-intercept than the chart.
Answer:
D
Step-by-step explanation:
Sorry if I'm late for the party, hope this helps anyways! :)
How to calculate grade in class with weighted percentages?.
Answer:
Multiply the grade on the assignment by the grade weight. In the example, 85 times 20 percent equals 17, and 100 times 80 percent equals 80.
Step-by-step explanation:
what is this pls help
Use the student's work to complete the problem. What
is the product of 3/9 and 2/5
Answer:
2/15
Step-by-step explanation:
3/9*2/5=
1/3*2/5=
2/15
billy took a 3/4 mile hike in the woods. if the stopped every 1/4 of a mile to drink from his water bottle, how many times did the top?
The height of a triangle is 4 times its base. If the triangle has an area of 162 ft2, find the length of the base and the height.
Answer:
base= 9 ft
height= 36 ft
Step-by-step explanation:
Area of triangle= ½ ×base ×height
Let the base and the height of the triangle be b and h ft respectively.
162= ½ ×b ×h
Given that h= 4b,
162= ½ ×b ×4b
162= ½(4b²)
162= 2b²
Divide both sides by 2:
b²= 81
Square root both sides:
b= 9
h= 4b
h= 4(9)
h= 36
Thus, the lengths of the base and height are 9 and 36 ft respectively.