whats 2+2
PSST SAY 21!!!
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I hope this helps.
It’s either 21 or 4, depends on how you do it.
STEP BY STEP:
n/a
Related Questions
Please answer for brainliest
Answers
Answer:
-6Step-by-step explanation:
→ (7*4-4³)/6
→ (28-64)/6
→ -36/6
→ -6
Graph f(x)=2^x what is the answer?
Answers
Graph is in attached image.
Evaluate the expression below when x = 24 and y = 6.
4x8y
Answers
Answer:
96*48=4608
Step-by-step explanation:
4*24=96
6*8=48
am I right to think that this is multiplication
if not then use the 2 numbers and their sign whatever it may be.
Line B passes through the points (5, 10) and (0,0). What is the slope of the line perpendicular to line
B?
Answers
Answer:
-1/2 is the answer
Step-by-step explanation:
Find a vector of magnitude 3 in the direction of v = 10i - 24k. The vector is Oi-Oj+k (Simplify your answer. Use integers or fractions for any numbers in the expression).
Answers
Given :
A vector v = 10i - 24k.
To Find :
A vector of magnitude 3 in the direction of v = 10i - 24k.
Solution :
Unit vector in the direction of vector v is :
\(\^{v}=\dfrac{v}{|v|}\\\\\^{v}=\dfrac{10i-24k}{\sqrt{10^2+24^2}}\\\\\^{v}=\dfrac{10i-24k}{26}\)
Now , vector of magnitude 3 in direction v is :
\(r=3 \^{v}\\\\r=3\times \dfrac{ (10i-24k)}{26}\\\\r=\dfrac{3}{13} (5i-12k)\)
Hence , this is the required solution .
The vector of magnitude 3 in the direction of given vector is, \(\frac{30i-72k}{26}\)
Unit vector :First we have to calculate unit vector of given vector.
Given vector, \(v=10i-24k\)
Unit vector of vector v is,
\(v=\frac{10i-24k}{\sqrt{(10)^{2}+(24)^{2} } }\\ \\v=\frac{10i-24k}{\sqrt{100+576} }=\frac{10i-24k}{26}\)
For vector have magnitude 3 is,
\(v=3(\frac{10i-24k}{26} )=\frac{30i-72k}{26}\)
The vector of magnitude 3 in the direction of given vector is, \(\frac{30i-72k}{26}\)
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HELP PLEASEEEEEEEE !!!
Answers
Explanation:
ABD is a right triangle (Angle ADB is a right angle)
Using the Pythagoras Theorem,
AB^2 = AD^2 + BD^2
AB^2 = 9^2 + 12^2
AB^2 = 81 + 144
AB^2 = 225
AB = 15
In triangle ABD,
sin(Angle A) = BD/AB
sin(Angle A) = 12/15
Angle A = sin^(-1)[12/15]
Angle A ≈ 53.13 degrees
In triangle ABC,
cos(Angle A) = AB/AC
cos(53.13) = 15/AC
AC = 15/cos(53.13)
AC ≈ 25
DC = AC - AD = 25 - 9 = 16
YOU’RE GETTING A BRAINLIST IF YOU ANSWER THESE:
If you and I meet halfway between the fountain and the restrooms what are the coordinates of our meeting place?
If my cat and your dog meet halfway between the ball field and the swings what are the coordinates of their meeting place?
Now to the nearest yard how far are you and I to our pets after arriving to our meeting place?
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Answer:
(0.5,-0.5)(0.5,0.5)2 yardsNow that you have x² - 8x + 16 = 9 + 16, apply the square root property to the equation.
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Answer:
x= 3
2
Step-by-step explanation:
Answer:
Now that you have x² - 8x + 16 = 9 + 16, apply the square root property to the equation.
✔ (x – 4)² = 25
Step-by-step explanation:
Simplify the expression. negative 15 plus the quantity negative 1 and six tenths plus 9 and 34 hundredths end quantity divided by 6 all times 3 squared minus 5 and 7 tenths −4.125 −9.09 −12.96 129.09
Answers
The simplified expression in mathematical form is -45.36.
What is an expression?
Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a statement. It's possible to multiply, divide, add, or subtract with this mathematical operation.
The expression given is -
(-15 + (-1.6 + 9.34) / 6) × (3² - 5.7)
Simplifying the terms inside the parentheses first, we get -
(-15 + 7.74 / 6) × (9 - 5.7)
Next, we simplify 7.74 / 6 by dividing the numerator by the denominator -
(-15 + 1.29) × (9 - 5.7)
We add -15 and 1.29 inside the first set of parentheses -
(-13.71) × (9 - 5.7)
We subtract 5.7 from 9 inside the second set of parentheses -
(-13.71) × 3.3
Multiplying these two terms, we get -
-45.363 ≈ -45.36
Therefore, the value is obtained as -45.36.
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Find the scale factor of W X YI 2 QRST, if both quadrilaterals are similar.
Answers
We come to the conclusion that if the scale factor from S to M is 3/2, the scale factor from M to S must be 2/4.
What is the scale factor going from M to S?Assume we have a figure S. If we apply a stretch of scale factor K to our figure S, we may say that all of figure S's dimensions have been multiplied by K.
Following the stretch, we will have a bar of length M, such that:
M = S*K
If the scale factor is 3/2, the following scenario arises:
M = (3/2)*S
In the relationship mentioned above, S can be separated out as follows:
(2/3)*M = S
We now have an equation (similar to the first one).
As of right now, the scaling factor from M to S is 2/3, according to an equation (like the first one).
After that, we draw the conclusion that if the scale factor from S to M is 3/2, the scale factor from M to S must be 2/4.
The complete question is,
Scale factor is 3/2 for the range of S to M. How many are there in the scale from M to S?
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Tyrone has 20 pieces of candy. The ratio of chocolate to hard candy is 1:3. How many pieces of hard candy does Tyrone have?
Answers
Answer:
15 pieces
Step-by-step explanation:
a ratio of 1:3 has 4 total parts, meaning that each part is 5.
20/3 = 15 so that means he has 5 pieces of chocolate and 15 of hard candy.
Answer:
15
Step-by-step explanation:
please answer asap please
A piano mover uses a ramp to move a piano into a house. The doorway to the house is 2 feet above the ground and the ramp starts 7 feet from the doorway. Assuming the ground is level and is perpendicular to the side of the house, what is the approximate length of ramp? You must round your answer to two decimal places.
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please help me so love this problem?
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Answer:
12.7 ==> distance of RS
24.2 ==> distance of RT
Step-by-step explanation:
Distance is always positive. So if you get a negative value, take the absolute value of the negative number:
For example, between point R and S:
-17.2 - (-4.5) =
-17.2 + 4.5 = ==> subtracting a negative number is equivalent to adding a
positive number
-(17.2 - 4.5) = -12.7
-12.7 ==> |-12.7| = 12.7 ==> distance of RS
For RT:
-17.2 - 7 =
-(17.2 + 7) = -24.2
-24.2 ==> |-24.2| = 24.2 ==> distance of RT
Magan decides to research the relationship between the length in inches and the
weight of a certain species of catfish. He measures the length and weight of a number
of specimens he catches, then throws back into the water. After plotting all his data,
he draws a line of best fit. Based on the line of best fit, what would you predict to be
the length of a catfish that weighed 40 pounds?
Answers
Based on the line of best fit, the length of this catfish can be predicted to be 38 inches.
Given the following data:
Weight of catfish, x = 40 pounds.What is a line of best fit?A line of best fit is also referred to as a trend line and it can be defined as a statistical (analytical) tool that is used in conjunction with a scatter plot, in order to determine whether or not there's any correlation between a data.
From the graph of the data, we have the following linear equation:
\(y=\frac{1}{2} x+18\)
Substituting the value of x, we have:
\(y=(\frac{1}{2} \times 40 )+18\\\\y=20+18\)
y = 38 inches.
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Question 6 of 10
Which of the following can you determine, when you use deduction and start
from a given set of rules and conditions?
A. What may be false
B. What
may
be true
C. What must be true
o
D. None of these
Answers
Answer:
B. What must be true.
Step-by-step explanation:
hope that helps :)
Using the present value approach, solve the following:
Tom has $100 in a bank account that pays a guaranteed 5% interest rate each year. How much would Tom have at the end of Year 3?
Answers
Answer:
Step-by-step explanation:
$100x0.5x1=$5
Drag each step and justification to the correct location on the table .
Answers
Kindly check below
1) In this problem, let's write the steps with the proper reasons and statements.
\(\frac{2}{3}y+15=9\)2) So this is our table below:
Statement Reason
\(\begin{gathered} \frac{2}{3}y+15=9\:\:\:Given \\ \\ \frac{2}{3}y+15-15=9-15\:\:\:\:Subtraction\:Property\:of\:equality \\ \\ \frac{2}{3}y=-6\:\:\:\:\:\:Simplification \\ \\ \frac{2}{3}y\times\frac{3}{2}=-6\times\frac{3}{2}\:\:\:Multiplication\:Property\:of\:equality \\ \\ \\ y=-9\:\:\:Simplification \end{gathered}\)
Note that all these steps aim to isolate the variable on one side, and its value on the other side. And whenever we add/multiply/divide/subtract on one side we do the same on the other one.
Find the area of the figures given
Answers
Answer:
A: 12.5
B: 36
C: 40
D: 88
Step-by-step explanation:
those are the answers
factor step by step:
x^2+1
Answers
Answer:
(x + i) (x - i)
Step-by-step explanation:
The expression x^2 + 1 is a sum of squares, which means that it cannot be factored using real numbers. However, it can be factored using complex numbers.
To factor x^2 + 1, we can use the fact that i^2 = -1, where i is the imaginary unit.
We can rewrite x^2 + 1 as:
x^2 + 1 = x^2 - (-1)
Now, we can use the difference of squares formula to factor x^2 - (-1):
x^2 - (-1) = (x + i)(x - i)
Therefore, the factored form of x^2 + 1 is:
(x + i)(x - i)
Identify the correct graph of the system of equations.
3x + y = 12
x + 4y = 4
Answers
Let's solve the system of equations:
1. 3x + y = 12
2. x + 4y = 4
We can solve this system of equations using various methods such as substitution or elimination. Let's use the elimination method here:
Multiply equation 1 by 4 and equation 2 by 1 to eliminate the y term:
1. 12x + 4y = 48
2. x + 4y = 4
Now, subtract equation 2 from equation 1:
12x + 4y - (x + 4y) = 48 - 4
Simplifying:
11x = 44
Divide both sides by 11:
x = 4
Substitute the value of x into equation 2 to solve for y:
4 + 4y = 4
4y = 4 - 4
4y = 0
y = 0
Therefore, the solution to the system of equations is x = 4 and y = 0.
The correct graph of this system of equations would be two lines intersecting at the point (4, 0) on the coordinate plane.
How many centimeters are in 3.2 inches? [1 inch = 2.5 cm] Show your work.
Answers
Answer:
8 cm
Step-by-step explanation:
Just multiply 3.2 by 2.5
3.2 x 2.5 = 8
Answer:
Sure, your answer is 8
Step-by-step explanation:
3.2 * 2.5=8
The difference of two complementary angles is 30 degrees. Find the measures of the angles.
Answers
Answer:
60 degrees and 30 degrees
Step-by-step explanation:
let the angles be x and y
we are given that the angles are complementary (i.e they sum up to 90 degrees). Hence we can write the first equation:
x + y = 90 ------(eq 1)
we are also given that the difference between the two angles is 30 degrees). Similarly we can write
x - y = 30 ------(eq 2)
now we have a system of 2 equations with 2 unknowns, which we can solve by elimination:
eq 1 + eq 2:
(x + y) + (x - y) = 90 + 30
2x = 120 (divide both sides by 2)
x = 120/2
x = 60 deg (substitute this back into eq 1)
x + y = 90
60 + y = 90 (subtract 60 from both sides)
y = 90 - 60
y = 30 deg.
3 6 9 12 15 18 21 24 27 30 is odd or even numbers?
Answers
Answer: Half of them are even and half of them are odd.
Step-by-step explanation:
The even numbers are 6, 12, 18, 24, and 30. An even number is defined as a number that is divisible by 2, meaning it has no remainder when divided by 2. For example, 6 divided by 2 equals 3 with no remainder, so 6 is even.
The odd numbers are 3, 9, 15, 21, and 27. An odd number is defined as a number that is not divisible by 2, meaning it has a remainder of 1 when divided by 2. For example, 9 divided by 2 equals 4 with a remainder of 1, so 9 is odd.
Therefore, out of the given numbers, half of them are even and half of them are odd.
________________________________________________________
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graph with the x axis labeled time in hours and the y axis labeled height of candlestick in inches and a line going from the point 0 comma 8 through the point 3 comma 6
Find and interpret the slope and y-intercept in this real-world situation.
The slope is 8, and the y-intercept is negative two thirds. The candle starts at a height of two thirds of an inch and decreases 8 inches every hour.
The slope is 8, and the y-intercept is negative three halves. The candle starts at a height of three halves of an inch and decreases 8 inches every hour.
The slope is negative two thirds, and the y-intercept is 8. The candle starts at a height of 8 inches and decreases two thirds of an inch every hour.
The slope is negative three halves, and the y-intercept is 8. The candle starts at a height of 8 inches and decreases three halves of an inch every hour.
Answers
The correct statement regarding the slope and the intercept of the linear function are is given as follows:
The slope is negative two thirds, and the y-intercept is 8. The candle starts at a height of 8 inches and decreases two thirds of an inch every hour.
How to interpret the y-intercept of a linear function?The two most important features of a linear function are the slope and the intercept, and their meaning is explained as follows:
Slope: rate of change of the output variable relative to the input variable.Intercept: value assumed by the output variable when the input variable assumes a value of zero.The input and output variables for this problem are given as follows:
Input: time in hours.Output: height in inches.Two points of the function are:
(0, 8) and (3,6).
Given two points, the slope is calculated as the change in y divided by the change in x, hence:
m = (6 - 8)/(3 - 0)
m = -2/3.
Meaning that the candle's height decays at a rate of 2/3 of an inch an hour.
When x = 0, y = 8, hence the intercept of b = 8 represents the initial height of the candle.
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Miss Johnson bought a pair of jeans on sale for $30. The original price was $50. By what percent did the price of the jeans change?
Answers
Answer:
the price changed by 40%
Answer:
40%
Step-by-step explanation:
30 x 2 = 60
50 x 2 = 100
100-60=40
Whats is the volume of the triangular prism? 12 cm 8 cm 3 cm A 288 cm B 144 cm C 24 cm D 72 cm
Answers
Step by step;
0,5 x 12cm x 8cm x 3cm
Please, if you can answer this, answer my other similar ones as well. I appreciate any help so much!
Answers
Answer:
b. Same side interior angles are supplementary
Step-by-step explanation:
supplementary equal 180
I hope that I could help!!!!
Someone please help and thank you
Answers
Answer:
A. 4 units
Step-by-step explanation:
teh velocity of a partilce in ft/s, moving along the x axis is given the function v(t) e^t te^t when 0
Answers
The magnitude of the acceleration of the particle is zero when the velocity of the particle is zero.
What is Acceleration ?
Acceleration is the rate of change of velocity. Usually, acceleration means the speed is changing, but not always. When an object moves in a circular path at a constant speed, it is still accelerating, because the direction of its velocity is changing.
Given,
Velocity v= x² − 5x + 4
now, the acceleration
a = dv/dt
a = 2x (dx/dt) - 5x(dx/dt)
given that, v= dx/dt =0
so, a = 2x*0−5*0
a=0 m/sec²
so, the acceleration is zero ,when the velocity is zero.
Hence ,The magnitude of the acceleration of the particle is zero when the velocity of the particle is zero.
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Given question is incomplete , the complete question is given below:The velocity of a moving particle along the x-axis is given as v= x² − 5x + 4, where x denotes the x−coordinate of the particle in meters. Find the magnitude of the acceleration of the particle when the velocity of the particle is zero?The wheel on a scooter completes 124 revolutions and travels 22.4 meters. What is the diameter of the wheel in mm? Use 3.14 for pi and round to the nearest whole millimeter.
Answers
If wheel on a scooter completes 124 revolutions and travels 22.4 meters then diameter of the wheel is 57 mm
Each revolution of the wheel covers a distance equal to the circumference of the wheel.
The diameter of the wheel "d".
The distance covered in 124 revolutions is:
distance = 124 x circumference
= 124 x pi x d
= 124 x 3.14 x d
We know that this distance is equal to 22.4 meters, so we can set up an equation:
124 x 3.14 x d = 22.4
Simplifying and solving for d:
d = 22.4 / (124 x 3.14)
d = 0.057 meters
As we know that 1 meter is equal to thousand millimeters so multiply by 1000 to get in millimeters
d = 57 millimeters
Therefore, the diameter of the wheel is approximately 57 mm.
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