Answer:
\(k\)+(\(x\)×\(x\))
Step-by-step explanation:
k is the number of pencils jerry has, and x is the number of pencils darcy and leonard gave him EACH. So you need to multiply 'x' x2 to get the total ammount of pencils they gave him, then add 'k' to know how much in total he has now.
hope it helped! (3
Pls plsss help me, how do u solve 7m+11-5m-2=2m-9
Answer:
No solution!
Step-by-step explanation:
7m+11-5m-2=2m-9
2m+11-2=2m-9
2m+9=2m-9
subtract nine from both sides= 2m=2m-18
subtract two from both sides= 0=-18
therefore there is no solutions
*WILL MARK BRAINLIEST*10 POINTS
How many triangles can be made given the following angles?
33°, 42°, 66°
A: One triangle
B: More than one triangle
C: No triangle can be made
Which expression is equivalent to (m^-2n^-4)^-4
Answer:
m^8 n^16
Step-by-step explanation:
Simplify the following:
(1/(m^2 n^4))^(-4)
Multiply exponents. (1/(m^2 n^4))^(-4) = (m^2 n^4)^4:
(m^2 n^4)^4
Multiply each exponent in m^2 n^4 by 4:
m^(4×2) n^(4×4)
4×4 = 16:
m^(4×2) n^16
4×2 = 8:
Answer: m^8 n^16
Choose the equivalent number.
4,000 + 800 + 20+3=
Answer:
4823 is the answer you're welcome
(b) Simplify algebraically (i), and prove or disprove algebraically (ii) and (iii). (6%) i. XY' +Z+ (X' + Y)Z' ii. D(A + B)(A + B')C = ACD iii. (a + b)(b + c)(c + a) = (a'+ b')(b' + c')(c' + a')
1) XY' + Z + X'Z' + YZ'
2) equation 2 is correct.
3) equation 3 is incorrect .
1)
Simplifying algebraically,
XY' +Z+ (X' + Y)Z'
So,
XY' + Z + X'Z' + YZ'
2)
D(A + B)(A + B')C
Simplifying,
(AD + DB) (A + B')C
Further,
ADC + AB'CD + ABCD + BB'CD
ACD + ABCD + AB'CD
= ACD
Thus equation 2 is correct .
Hence proved .
3)
(a + b)(b + c)(c + a) = f1
Simplifying further,
abc + ab + bc + ac = f1
Let f2 = (a'+ b')(b' + c')(c' + a')
Simplify further,
f2 = a'b'c' + a'b' + b'c' + a'c'
Here,
f1 ≠ f2
Thus we disprove equation 3 .
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A bag contains 36 red blocks, 48 green blocks, 22 yellow blocks, and 19 purple blocks. You pick one block from the bag at random. Find each theoretical probability.
P( green )
The theoretical probability of selecting a green block is 0.384 or 38.4% .
To find the theoretical probability of selecting a green block, we need to divide the number of green blocks by the total number of blocks in the bag.
Total number of blocks = 36 (red) + 48 (green) + 22 (yellow) + 19 (purple) Total number of blocks = 125
P ( green ) = Number of green blocks / Total number of blocks
P ( green ) = 48 / 125
P ( green ) = 0.384
Therefore, the theoretical probability of selecting a green block is 0.384 or 38.4% .
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what is the next two numbers in the pattern below?
8,4,2,1/2
please answer first one gets brainliest!!!
Answer:
Next numbers: 1/4, 1/8
The pattern is that you're halving the numbers
The number of newly reported crime cases in a county in New York State is
shown in the accompanying table, where x represents the number of years
since 1998, and y represents number of new cases. Write the linear regression
equation that represents this set of data, rounding all coefficients to the
nearest hundredth. Using this equation, find the projected number of new
cases for 2008, rounded to the nearest whole number.
Years since 1998 (x) | New Cases (y)
0
703
1
675
2
706
3
643
4
660
605
LO
5
The linear regression equation is y ≈ -2.02x + 670.38, and the projected number of new cases for 2008 is approximately 650.
To find the linear regression equation that represents the given set of data, we can use the least squares method to determine the best-fit line. The equation will have the form y = mx + b, where m is the slope and b is the y-intercept.
First, let's calculate the mean values of x and y:
mean(x) = (0 + 1 + 2 + 3 + 4 + 5) / 6 = 15 / 6 ≈ 2.5
mean(y) = (703 + 675 + 706 + 643 + 660 + 605) / 6 = 3992 / 6 ≈ 665.33
Next, we'll calculate the values needed to determine the slope:
Σ(x - mean(x)) = (0 - 2.5) + (1 - 2.5) + (2 - 2.5) + (3 - 2.5) + (4 - 2.5) + (5 - 2.5) = 0 - 1 - 0.5 + 0.5 + 1 + 2 = 2.5
Σ(y - mean(y)) = (703 - 665.33) + (675 - 665.33) + (706 - 665.33) + (643 - 665.33) + (660 - 665.33) + (605 - 665.33) ≈ -35.33
Σ(x - \(mean(x))^2 = (0 - 2.5)^2 + (1 - 2.5)^2 + (2 - 2.5)^2 + (3 - 2.5)^2 + (4 - 2.5)^2 + (5 - 2.5)^2\)= 6.25 + 2.25 + 0.25 + 0.25 + 2.25 + 6.25 = 17.5
Now, we can calculate the slope:
m = Σ[(x - mean(x)) * (y - mean(y))] / Σ[(x - \(mean(x))^2\)] ≈ (-35.33) / 17.5 ≈ -2.02
Next, we can determine the y-intercept:
b = mean(y) - m * mean(x) ≈ 665.33 - (-2.02) * 2.5 ≈ 665.33 + 5.05 ≈ 670.38
Therefore, the linear regression equation for the given data is y ≈ -2.02x + 670.38.
To find the projected number of new cases for 2008 (10 years since 1998), we substitute x = 10 into the equation:
y ≈ -2.02(10) + 670.38 ≈ -20.2 + 670.38 ≈ 650.18
Rounding to the nearest whole number, the projected number of new cases for 2008 is approximately 650.
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Answer:
Step-by-step explanation:
add 4x²y,-2xy²,-5xy²,3x²y plz explain
which statement is true?
A. 6n+16=6(n+10)
B. 6n+16=4(2n+4)
C. 6n+16=5n+12+n+4
D. 6n+16=8n+14-2n+2-n
Answer:
i think the correct answer is the third one
have a nice day! (^o^)
Question 9 of 10
Solve -4x+ 2 26.
0 A. x-6
0 B. )( 6 0 C. -6 0 D. )( 6
Answer:
The answer is (C.
Step-by-step explanation:
Answer:
C. x≤−6
Step-by-step explanation:
An equation of a line through (11, 12) which is perpendicular to the line y=3x+1 has slope: ____Blank____
and y -intercept at
____Blank____
Answer:
the slope is 3 and 1 and the y intercept is 1 and 1
Step-by-step explanation:
Before the Euro came in, European countries had their own currencies.
France had the franc and Spain pesetas.
Use £1 = 9.60 francs to work out how much 45p is in francs.
Answer:
4.32 francs
Step-by-step explanation:
45p × £/(100p) × 9.6 francs / £ = 4.32 francs
A soccer ball on the ground was kicked with an initial velocity of 35 ft/sec at an elevation angle of 40º. Create a set of parametric equations to model the path of the soccer ball. Approximately how far away did the soccer ball hit the ground?
19 feet
26 feet
38 feet
52 feet
Answer:
38 feet.
Step-by-step explanation:
From the question given above, the following data were obtained:
Initial velocity (u) = 35 ft/s
Angle of projection (θ) = 40º
Acceleration due to gravity (g) = 9.8 m/s²
Range (R) =?
Next, we shall convert 9.8 m/s² to ft/s². This can be obtained as follow:
0.3048 m/s² = 1 ft/s²
Therefore,
9.8 m/s² = 9.8 m/s² × 1 ft/s²/ 0.3048 m/s²
9.8 m/s² = 32.15 ft/s²
Thus, 9.8 m/s² is equivalent to 32.15 ft/s².
Finally, we shall determine how far away the soccer ball hit the ground (i.e range) as shown below:
Initial velocity (u) = 35 ft/s
Angle of projection (θ) = 40º
Acceleration due to gravity (g) = 32.15 ft/s²
Range (R) =?
R = u² × Sine 2θ / g
R = 35² × Sine (2×40) / 32.15
R = 1225 × Sine 80/ 32.15
R = 1225 × 0.9848 / 32.15
R = 37.5 ≈ 38 feet.
Thus, the soccer ball hit the ground 38 feet away.
Answer:
The anwser is C.
Step-by-step explanation:
What is the sin 63 degrees? And round it to the nearest hundredth
.
\(\sin \text{ 63=0.8910}\)Hence, the correct option is option D
Mr harris wants to know if the new tardy policy is effective how can he find out without using a biased survey
48 divided by 2+6 x2-1
Answer: 35
Step-by-step explanation:
Jessica wants to make pillows for her couch. She has 6 yards of fabric. Each pillow use 2/3 of a yard each. How many pillows can she make?
Answer my answer is 9 :please give me brainliest
Step-by-step explanation:
You divide 6 by 2/3
The number of pillows that she can make will be 9.
What is Algebra?The analysis of mathematical representations is algebra, and the handling of those symbols is logic.
PEMDAS rule means the Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This rule is used to solve the equation in a proper and correct manner.
Jessica wants to make pillows for her couch. She has 6 yards of fabric. Each pillow uses 2/3 of a yard.
Then the number of pillows that she can make will be given by the division of the numbers 6 and 2/3. Then we have
⇒ 6 / (²/₃)
⇒ 6 x 3 / 2
⇒ 3 x 3
⇒ 9
The number of pillows that she can make will be 9.
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A certain state uses the following progressive
tax rate for calculating individual income tax:
Income
Range ($)
Progressive
Tax Rate
0-3000
2%
3001 - 5000
3%
5001 - 17,000
5%
17,001 and up
5.75%
Calculate the state income tax owed on a $60,000
per year salary.
tax = $[?]
Round your answer to the nearest whole dollar amount.
Enter
The state income task owed on a salary of $60,000 per year according to the given ranges is; $3,450.
What is the state income tax owed by the $60,000 per year?It follows from the task content that for incomes of 17, 001 and above, the tax rate is; 5.75% .
Hence, it follows that for an individual whose in one is $60,000 per year, the state income tax owed is;
Tax = 5.75% of $60,000
= $3,450
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In the data set #2 {75,80,85,75,85}, what is the range?
WILL REWARD BRAINLIEST PLS HELP ASAP Find the total surface area.
The surface area of the rectangular prism is 88 square inches.
Given that:
Length, L = 6 inches
Width, W = 2 inches
Height, H = 4 inches
Let the prism with a length of L, a width of W, and a height of H. Then the surface area of the prism is given as
SA = 2(LW + WH + HL)
SA = 2(6 x 2 + 2 x 4 + 4 x 6)
SA = 2 (12 + 8 + 24)
SA = 2 x 44
SA = 88 square inches
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Ahsan
Which expressions are equivalent to 242 x 62?
Choose all that are correct.
(200 x 62) + (40 x 62) + (2 x 62)
(242 x 6) + (242 x 2)
12.000 + 2.400 + 120 + 400 + 80 +4
(242 x 60) + (242 x 2)
(200 X 6) + (40 x 6) + (2 x 6) + (200 X 2) + (40 2) + (2 x 2)
It is number 1 and number 2 because the equation is 242× 62 and Number 1 and 2 are just breaking it down
what is the recursive formula for this sequence 14, 18, 22, 26, 30
Answer:
D
Step-by-step explanation:
I had this question on a quiz :)
Daniel works at Funplex. Last week, he worked for 12 hours and made $93.84. How much does Daniel make per hour?
Answer
$7.82
Step-by-step explanation:
12 hrs=$93.84
1 hr= 93.84/12
1 hr=$7.82
which two number are 10 away from 20?
Answer:
10 and 30
Step-by-step explanation:
20-10= 10
20+10= 30
Answer:
30 and 10
Step-by-step explanation:
BRAINLIEST PLEASE
From a class of 20 students we need to select 3 for a committee, one to be president, another to be
vice-president and the third to be secretary. In how many ways can this be done? 6840
From a class of 20 students, there are 6,840 ways to select a committee consisting of a president, vice-president, and secretary. This calculation is based on the concept of permutations, where the number of choices at each step is multiplied to find the total number of possibilities.
To determine the number of ways to select a committee consisting of a president, vice-president, and secretary from a class of 20 students, we can use the concept of permutations.
The president position can be filled by selecting one student from the 20 available. After the president is selected, the vice-president position can be filled by choosing one student from the remaining 19 students. Finally, the secretary position can be filled by selecting one student from the remaining 18 students.
The number of ways to make these selections is calculated by multiplying the number of choices at each step:
Number of ways = 20 * 19 * 18 = 6,840
Therefore, there are 6,840 ways to form the committee with a president, vice-president, and secretary from a class of 20 students.
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1. Look at the following correlation scatter plot. What type of a correlation is it?
a. Negative correlation
b. Positive correlation
c. Zero correlation
d. All of the above
Scatter plot is missing, so i have attached it.
Answer:
C : zero correlation
Step-by-step explanation:
A correlation is said to be negative between two variables when they are related in such a manner that when one variable increases, the other variable decreases and vice versa.
However, a correlation is said to be Positive when one variable increases as the other increases as well and vice versa which means they both move in the same direction.
However, in the image of the scatter plot attached, we see that it is neither positive or negative correlation as there is no clear visible relationship between the variables on the x and y axis.
Thus, we can say there is zero correlation.
a circle has an area of 100 square cm what is the radius and circumference of the circle
Answer:
Radius = 10 cm
Circumference = 20*pi cm
Step-by-step explanation:
Area of a circle = pi * r^2
100 = r^2
10 = r
Circumference = 2*pi*r
2*pi*10
20*pi
write 312 as a product of prime factors
Answer: 312=(2)(2)(2)(3)(13)
Step-by-step explanation:
312 | 2
156 | 2
78 | 2
39 | 3
13 | 13
Hence, 312=(2)(2)(2)(3)(13)
3
What is the difference of
21
?
4
Answer:
The difference is 4–3. If you want the difference between 3 and -4, then the difference is 7.
Step-by-step explanation: