Answer:
They will need eight buses.
Step-by-step explanation:
320/40 = 8
y=4-2x^3 a linear equation
Answer:
False
Step-by-step explanation:
the highest degree of the equation is 3, meaning that the equation is NOT linear.
If the circumference of a circle is increased by 40%,
then the area of the circle is increased by
A. 18%. B. 20%. C. 40%. D. 96%.
Answer:
96%
Step-by-step explanation:
c=100=22/7D
D=7/22×100
get the radius and find the area
R=D/2
A=pi×r^2
repeat that assuming
C=140
get the area
find the %age
A2_A1=Area difference
A(diff)/A1×100=96.01%
[tex]r_{2}[/tex]Answer:
D) 96%
Step-by-step explanation:
let the circumference of circle be C = 2π[tex]r_{1}[/tex] and [tex]r_{1}[/tex] = [tex]d_{1}[/tex]/2
Initial radius (radius before increment) = [tex]r_{1}[/tex]
initial diameter (diameter before increment) = [tex]d_{1}[/tex]
Increasing the circumference of a circle other factors are constant except the radius which can be used to find the diameter hence increasing the circumference of a circle is equivalent to increasing the diameter
area of the circle before increment [tex]A_{1}[/tex] = π[tex]r_{1}[/tex]²
[tex]A_{1}[/tex] = π × ([tex]d_{1}[/tex]/2)²
[tex]A_{1}[/tex] = π[tex]d_{1}[/tex]²/4
Increment of circumference results to increment of only the diameter
diameter after increment by 40%, [tex]d_{2}[/tex] = 1.4[tex]d_{1}[/tex]
1.4 represents increment by 40%
radius after increment [tex]r_{2}[/tex] = [tex]d_{2}[/tex]/2 = 1.4[tex]d_{1}[/tex]/2 = 0.7[tex]d_{1}[/tex]
area after increment, [tex]A_{2}[/tex] = π[tex]r^{2} _{2}[/tex]
[tex]A_{2}[/tex] = π(0.7[tex]d_{1}[/tex])²
[tex]A_{2}[/tex] = π × 0.49[tex]d_{1}[/tex]²
Change in area = [tex]A_{2}[/tex] - [tex]A_{1}[/tex]
[tex]A_{2}[/tex] - [tex]A_{1}[/tex] = π × 0.49[tex]d_{1}[/tex]² - π [tex]d_{1}[/tex]²/4
[tex]A_{2}[/tex] - [tex]A_{1}[/tex] = π [tex]d_{1}[/tex]²(0.49 - ¼)
[tex]A_{2}[/tex] - [tex]A_{1}[/tex] = π [tex]d_{1}[/tex]²(0.49 - 0.25)
[tex]A_{2}[/tex] - [tex]A_{1}[/tex] = 0.24 π[tex]d_{1}[/tex]²
Percentage increment = ([tex]A_{2}[/tex] - [tex]A_{1}[/tex]/ [tex]A_{1}[/tex]) × 100
= ((0.24 π[tex]d_{1}[/tex]²)/(π[tex]d_{1}[/tex]²/4)) × 100
= (0.24 × 4 ) × 100
= 0.96 × 100
= 96 %
Hope it was useful
What is the answer to this figure when I solve for x?
x / 9.8 = 6.4 / 11.2
x = 6.4 / 11.2 * 9.8 = 5.6
Find the value of b: -3(b - 2) = -18. This time, whoever answers first, AND correctly gets marked the Brainliest.
Answer:
-3(b - 2) = -18
-3b + 6 = -18
-3b = -18-6
-3b = -24
-3b/-3 = -24/-3
b = 8
Answer:
Hello there!^^
Step-by-step explanation:
✰✰✰✰✰✰✰✰✰✰✰✰✰✰✰✰✰✰✰✰
Divide both sides by 3If there is two negtives it makes a positiveSimplify Add 2 to both sidesAnd simplify again~~~~~~~~~~~~~~~~~~~~~~
1. = -18/-3
2. 18/3
3. b - 2 = 6
4. b = 6+2
Answer : b = 8
By your fellow brainly user: xCherryxUwU
#Thanks!
✰✰✰✰✰✰✰✰✰✰✰✰✰✰✰✰✰✰✰✰
pls answer maek u brainlist
a) 197 x 202 = 197 x (200+2) = 197 x 200 + 197 x 2 = 197 x 100 x 2 + 197 x 2 = 19700 x 2 + 197 x 2 = (19700 +197) x 2 = 19897 x 2 = 39794
b) (1.05)sqrd - (0.95)sqrd = 1.1025 - 0.9025 (no suitable ways to do this other than bare calculating) = 0.2
Hello!
a)
= 39 794
b)
1.05 *1.05 - 0.95*0.95
= 1.1025 - 0.9025
= 0.2
The students in Ms. Baca's art class were mixing yellow and blue paint. She told them that two mixtures will be the same shade if the blue and yellow paint are in the same ratio. How many different shades of paint did the students make?
Answer:
Two shades will be prepared.
Step-by-step explanation:
Ms Baca told the students that when two colors yellow and blue are mixed in the same ratio same shade is prepares.
From the table attached,
If A is a mixture of 1 part yellow and 2 parts of blue color,
Ratio of the colors = 1 : 2
If B is a mixture of 2 parts yellow and 3 parts of blue color,
Ratio of the colors = 2 : 3
If C is the mixture of 3 parts yellow and 6 parts of blue color,
Ratio of the colors = 3 : 6 = 1 : 2
If D is a mixture of 4 parts yellow and 6 parts of blue color,
Ratio of the colors = 4 : 6 = 2 : 3
If E is a mixture of 6 parts yellow and 9 parts of blue color,
Ratio of the colors = 6 : 9 = 2 : 3
Therefore, mixtures A, C will create the same shade while mixtures B, D, E will be of same shade but different from A and C.
Two shades of the paints will be made by the students.
find the value of the given question:
Answer:
8
Step-by-step explanatiion
2 [tex]\sqrt{25-\sqrt{81} }[/tex]
= 2 [tex]\sqrt{25-9}[/tex]
= 2 [tex]\sqrt{16}[/tex]
= 2 × 4
= 8
He used the steps below to simplify the expression
-1/4(8x+12)-(-2x+5)
=-2x-3+2x-5
=-8
Which statement is true about the steps that Pablo used to simplify the expression?
() He combined like terms inside the parentheses, distributed -1/4 over (8x+12), and then combined the remaining like terms.
() he combined like terms inside the parentheses, distributed -1/4 over (-2x+5), and then combined the remaining like terms.
() He distributed -1/4 over (8x+12), distributed 1 over (-2x+5), and then combined like terms.
() He distributed -1/4 over (8x+12), distributed -1 over (-2x+5), and then combined like terms
what properties are these I will give a thanks and 5.0 stars
4k−3−2k=2k+5−2k Answer
2k−3=5 Answer
2k−3+3=5+3 Answer
2k=8 Answer
2k2=82 Answer
k=4 Answer
Answer:
Negative slope:
Every day, I spend 100 dollars on my credit card.
Positive slope:
Everyday I gain 100 dollars.
Step-by-step explanation:
Negative slope:
Every day, I spend 100 dollars on my credit card.
Positive slope:
Everyday I gain 100 dollars.
what are the zero of x(2-24x)=0
Answer:
Find the roots of
x (2 − 24x) = 0 by solving for x.
x = 0 , 1/12
what is 0.728416 rounded to the nearest tenth
Answer:
0.7
Step-by-step explanation:
In order to determine if the tenth place is rounded up one number or stay the same, you have to look at the hundredths place. In this scenario it's the 2.
0.728416
If the hundredths place is 5 or greater, you round up in the tenth place. If the hundredths place is 4 or less you keep the same number in the tenth place.
there are 9 apples in each Box. how many apples are in 6 boxes?
Answer:
54
Step-by-step explanation:
9 times 6 equals 54 PogU
Write the quadratic equation in factored form be sure to write the entire equation: X ^2-5-24=0
Need help asap
Answer:(x+3)(x-8)=0
Step-by-step explanation:
Solve the inequality for x and identify the graph of its solution.
3x+2] < 6
Choose the answer that gives both the correct solution and the correct graph.
Answer:
3 x + 2 < 6
3 x < - 2
x < - 2 /3
] - ∞ : - 2/3 [
Step-by-step explanation:
Answer:
A.
x > -4 and x < 0
Step-by-step explanation:
3|x + 2| < 6
3x + 6 < 6
-6 -6
3x < 0
÷3 ÷3
x < 0
----------------------
3|x + 2| < -6
3x + 6 < -6
-6 -6
3x < -12
÷3 ÷3
x > -4
I hope this helps!
name two tangents
name two major arcs
Answer:
the chord arc and the minor arc, and the foreign antigens and the auto antigens
John is playing a game of darts. The probability that he throws a dart into the center of the dart board (the Bull’s eye) is. The probability that he throws the dart into the 10-point ring is. What is the probability that he either hits a Bull’s eye or scores 10 points?.
The probability that the John either hits a Bull’s eye or scores 10 points in the game of darts is 2/5.
What is probability?Probability of an event is the ratio of number of favorable outcome to the total number of outcome of that event. The probability of an event can not be more than the number 1.
John is playing a game of darts. In this game of dart,
The probability that he throws a dart into the center of the dart board (the Bull’s eye) is 1/10. The probability that he throws the dart into the 10-point ring is 3/10.The probability that he either hits a Bull’s eye or scores 10 points is equal to the sum of the probability he hits the bull's eye and the probability that he throws the dart into the 10-points ring.
Let, the probability that he either hits a Bull’s eye or scores 10 points is P. Thus,
[tex]P=\dfrac{1}{10}+\dfrac{3}{10}\\P=\dfrac{4}{10}\\P=\dfrac{2}{5}[/tex]
Hence, the probability that the John either hits a Bull’s eye or scores 10 points in the game of darts is 2/5.
Learn more about the probability here;
https://brainly.com/question/24756209
Answer:
Option D is the correct answer
Step-by-step explanation:
D.[tex]\frac{2}{5}[/tex]
A sports analyst determines that the number of points scored in a basketball game is related to the number of shots taken during the game. The least-squares regression line is y = 5. 0 + 1. 2x, where y is the predicted number of points scored and x is the number of shots taken. In one game, a team takes 50 shots and the residual is –10. How many points were scored by this team in this game?
45
55
65
75
Answer:
65
Step-by-step explanation:
y= 5.0 + 1.2x
when x = 50
y = 5.0 + 1.2 x 50
= 5.0 + 60
= 65
The value of y is 65 when x = 50, or the number of points the team was scored was 65.
What is a linear equation?It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.
If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.
It is given that:
A sports analyst determines that the number of points scored in a basketball game is related to the number of shots taken during the game.
y= 5.0 + 1.2x
Plug x = 50
y = 5.0 + 1.2 x 50
= 5.0 + 60
= 65
Thus, the value of y is 65 when x = 50, or the number of points the team was scored was 65.
Learn more about the linear equation here:
brainly.com/question/11897796
#SPJ5
Select the correct answer from the drop-down menu
23
Central angle BAC of circle A measures 20" radians. Arc BC has a length of 63.487 centimeters. What is the radius of the circle?
The radius of circle A is ✓ centimeters.
Answer:
r = 55.2 cm
Step-by-step explanation:
the arc length is calculated as
arc = circumference × fraction of circle
= 2πr × [tex]\frac{\frac{23}{20}\pi }{2\pi }[/tex] ( r is the radius )
given arc = 63.48π , then
2πr × [tex]\frac{\frac{23}{20}\pi }{2\pi }[/tex] = 63.48π ( cancel 2π on numerator/ denominator )
r × [tex]\frac{23}{20}[/tex] π = 63.48π ( divide both sides by π )
[tex]\frac{23r}{20}[/tex] = 63.48 ( multiply both sides by 20 to clear the fraction )
23r = 1269.6 ( divide both sides by 23 )
r = 55.2 cm
Answer: 55.2
Step-by-step explanation:
got it correct on my test!
For a data set to have two modes,what is the least number of data that the set can have?
Answer: The mode of a data set is the number that occurs most often, but what if your data set has more than one mode? Is that possible? This tutorial explains what to do when a data set has multiple modes!
Step-by-step explanation:
there ya go
Which is a function and not a function
Answer:
Function: A, C, F, H,I
NOT: B,D,E,G
Step-by-step explanation:
To be a function every x is only allowed to pair up with one y. If there's no repeated x's, then its a function. If x repeats, it has to have the same y as the first time it showed up. If a vertical line (up and down) touches a graph in more than one place, its NOT a function. Any y can partner up with however many x's it wants to, doesn't matter, its still a function. But to be a function ONLY ONE y for each x. Life's not fair.
find the measure of angle b. (alternate exterior = 134 degrees)
Answer:
b=59
Step-by-step explanation:
The Theorem for Alternate Exterior angles is: If two parallel lines are cut by a transversal then the alternate exterior angles are congruent.
By this theorem we now know that b=59 degrees.
Keeping car tires inflated is essential to safe driving. For one type of car tire, the tire pressure in pounds per square inch (psi) is assumed to be approximately Normal, with a mean of 35 psi and a standard deviation of 2 psi. What percentage of tires are inflated to a pressure above 36 psi?
Answer:
30.854%
Step-by-step explanation:
First, we find the z-score corresponding to the value given
z-score = (x - mean)/SD
Z-score = (36-35)/2 = 1/2 = 0.5
we find the Probability of (x > 0.5)
we use the standard normal distribution table for this
P( x > 0.5) = 0.30854
This has a percentage 30.854%
Answer:
30.854%
Step-by-step explanation:
Hope this helps!
Daniel drinks a 96 ounce energy drink containing 89 calories per 24 ounces. How many calories did he drink?
Answer:
356
Step-by-step explanation:
Christie has $200 in her bank account. Every month, she deposits $20 into her account. The equation of the line that models the amount of money, y, in her account x years from now is y = x=
Answer:
The equation is y = x20 + 200
Step-by-step explanation:
Sorry if this is not what you are looking for.
Use the angle relationship in the figure below to solve for x. Assume that line A and line B are parallel, line C is a transversal and the given angles are given in
degrees
AC
4x+29
12x+55
B
Answer:
x = 6
Step-by-step explanation:
The 2 angles given are same- side interior angles and are supplementary, thus
4x + 29 + 12x + 55 = 180, that is
16x + 84 = 180 ( subtract 84 from both sides )
16x = 96 ( divide both sides by 16 )
x = 6
Solve the system of equations.
– 3y + 5x = 26
- 2 - 5x = -16
Answer:
[tex]y=-4,\:x=\frac{14}{5}[/tex]
Step-by-step explanation:
[tex]\begin{bmatrix}-3y+5x=26\\ -2-5x=-16\end{bmatrix}[/tex]
Isolate x for -2-5x=-16:
[tex]x=\frac{14}{5}[/tex]
[tex]\mathrm{Substitute\:}x=\frac{14}{5}[/tex]
[tex]\begin{bmatrix}-3y+5\cdot \frac{14}{5}=26\end{bmatrix}[/tex]
[tex]Simplify[/tex]
[tex]\begin{bmatrix}-3y+14=26\end{bmatrix}[/tex]
Isolate y for -3y+14=26:
[tex]y=-4[/tex]
[tex]\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}[/tex]
[tex]y=-4,\:x=\frac{14}{5}[/tex]
Paul can paint 119 doors in 8 hours, while Scott can paint 54 doors in 4 hours. Who can paint the doors faster, Paul or Scott?
A. Paul
B. Scott
Answer:
See below
Step-by-step explanation:
You need to find the unit rate, which is found by dividing the number of doors, in this case, by time.
119/8=14.875
54/4=13.5
Paul can paint doors faster.
-hope it helps
what is the remainder of -x^3-x^2+3 / x+3
Answer:
21
Step-by-step explanation:
The remainder on dividing f(x) by (x + h) is f(- h)
Given
f(x) = - x³ - x² + 3 , then
f(- 3) = - (- 3)³ - (- 3)² + 3 = - (- 27) - (9) + 3 = 27 - 9 + 3 = 21 ← remainder
help pls and tysmm!!
No receives a $5 discount each month on his cell phone bill because he signed up for autoplay from his bank account over the last eight months nor has pay a total of $284 for his cell phone bill what would Noah be charged for his cell phone bill each month if he stopped using autoplay?
Answer:
$36Step-by-step explanation:
Normally Noah is expected to pay an amount without a discount.
let this amount be x
so the amount paid monthly after the discount is removed is (x-5)
Noah paid this amount for 8 months
(x-5)*8=248
solving for x we will get the amount that Noah is expected to be charged when he stopped using the autoplay
(x-5)*8=248
8x-40=248
8x=248+40
8x=288
divide both sides by 8 we have
x=288/8
x=$36