Answer:
5p^3q ( 8p^3 + 3p^2q^3 +7q)
Step-by-step explanation:
greatest common factor = GCF
40p^6q + 15p^5q^4 + 35p^3q^2
This expression has 3 terms: 40p^6q , 15p^5q^4 , and 35p^3q^2
Find the GCF for the 3 terms
The coefficient parts are 40, 15 and 35 their GCF is 5
The p part: p^6, p^5, and p^3 their GCF is p^3
The q part: q, q^4, and q^2 their GCF is q
The GCF for the 3 terms is 5p^3q
Factor the expression using the GCF
40p^6q + 15p^5q^4 + 35p^3q^2 =
5p^3q ( 8p^3 + 3p^2q^3 +7q)
question what is an expression equivalent to 6(24) using the distributive property? drag and drop the appropriate number into each box.
6(20+4) is the equivalent to 6(24) using the distributive property.
How to find an expression equivalent to 6(24) using the distributive property?The distributive Property states that it is necessary to multiply each of the two numbers by the factor before performing the addition operation when a factor is multiplied by the sum or addition of two terms. This property states that multiplying the total of two or more addends by a number will produce the same outcome as multiplying each addend by the number separately and then adding the results together.
In other words, an expression of the type
A (B + C) can be resolved as A (B + C) = AB + AC in accordance with the distributive property.
This characteristic also holds for subtraction.
A(B-C) = AB-AC
given that 6(24)
now compare the 6(24) with general form of distribution property a(b+c) = ab + ac
a = 6 and b+c = 24
Consequently, we must identify two integers the sum is 24.
These numbers 20 and 4 are suitable.
so,
6(20+4) = 6(20) + 6(4)
144 = 144
Hence, the 6(20+4) is the equivalent to 6(24) using the distributive property.
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danielle’s mistake subtract x3 - 2x2 from x2-6
we get - x³ + 3 x² - 6 after subtracting x³ - 2 x² from x² - 6.
We are given two expressions:
x³ - 2 x²
x² - 6
We need to subtract x³ - 2 x² from x² - 6
We get the expression as:
x² - 6 - (x³ - 2 x²)
Opening the brackets, we get that:
= x² - 6 - x³ + 2 x²
Combining the like terms, we get that:
= 3 x² - x³ - 6
Simplifying the expression, we get that:
= - x³ + 3 x² - 6
Therefore, we get - x³ + 3 x² - 6 after subtracting x³ - 2 x² from x² - 6.
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What is the best estimate for the area of the triangle, in square units?
y
OA) 5.25 square units
O B) 10.5 square units
OC) 21 square units
OD) 42 square units
The best estimation for the area of the triangle is option (C) 21 square units
The base of the triangles = 6 units
The height of the triangle = 7 units
We know,
The area is the total space taken by the surface of an object.
Area of the triangle is the half the product of its base length and height.
The area of the triangle = (1/2)×b×h
Where b is the base of the triangle
h is the height of the triangle
Substitute the values in the equation
The area of the triangle = (1/2)× 6× 7
= (1/2)× 42
= 21 square units
Hence, the best estimation for the area of the triangle is option (C) 21 square units
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you can determine the rate of calcification at any given carbonate ion concentration as follows: draw a vertical line up from the x-axis at that concentration value until it intersects the red linear regression line; then draw a horizontal line from the intersection over to the y-axis to see what the calcification rate is at that carbonate ion concentration. if the seawater carbonate ion (co3 2-) concentration is 270 µmol/kg, a) what is the approximate rate of calcification, and b) approximately how many days would it take 1 square meter of reef to accumulate 30 mmol of calcium carbonate (caco3)? you can determine the rate of calcification at any given carbonate ion concentration as follows: draw a vertical line up from the x-axis at that concentration value until it intersects the red linear regression line; then draw a horizontal line from the intersection over to the y-axis to see what the calcification rate is at that carbonate ion concentration.if the seawater carbonate ion (co3 2-) concentration is 270 µmol/kg, a) what is the approximate rate of calcification, and b) approximately how many days would it take 1 square meter of reef to accumulate 30 mmol of calcium carbonate (caco3)? 10 mmol caco3 per m2 per day; 3 days 20 mmol caco3 per m2 per day; 0.67 days 20 mmol caco3 per m2 per day; 1.5 days 20 mmol caco3 per m2 per day; 600 days
For Part F- Option C is correct.
1.5 days for 1 m2 of reef to accumulate 30 mmol of CaCO3
Graph of carbonate concentration versus time calcification rate.
At 270 umol/kg of seawater carbonate ion concentratio the approximate rate of calcification will be 20 mmol CaCO3 per m2 per day.
So it will take 1.5 days for 1 m2 of reef to accumulate 30 mmol of CaCO3
For Part G-
At 250 umol/kg of seawater carbonate ion concentratio the approximate rate of calcification will be 10 mmol CaCO3 per m2 per day.
So it will take 3 days for 1 m2 of reef to accumulate 30 mmol of CaCO3
What is the calcification rate?The rate at which corals that form reefs lay down their calcium carbonate skeleton is known as coral calcification. It serves as a gauge of coral growth, which is crucial for the sustainability of reef ecosystems.
The long-term biodiversity, and possibly the existence, of coral reefs depends on significant reductions in global CO2 emissions as well as good management of water quality to lessen macroalgal competition and aid coral recovery.
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Commission is based on a percentage of sales. Nia sells cars and earns 4% commission on
each car or truck sold. How much will Nia earn if she sells 4 trucks for $18,434 each?
Answer:
2949.44 Step-by-step explanation: 18,434x4 - four trucks = 73736 73736x.04-2949.44
B = {1,
2}ional
(3, 5, 7, 9
Order each set of numbers from least to greatest.
8. √200, 14, 41/3
The set of numbers ordered from least to greatest is- 41/3, 14, √200.
Here, we are given a set of numbers- √200, 14, 41/3
In order to compare the numbers, we first need to convert all of them into decimal or integer numbers.
Let us analyze them one by one
1. √200
we know that √100 = 10
⇒ √200 = 10√2
√2 = 1.414
Thus, 10√2 = 14.14
2. 14
As we can clearly see 14 < 14.14
⇒ 14 < √200
3. 41/3
Dividing 41 by 3, we get-
13.66
Now, we can see that 13.66 < 14 < 14.14
⇒ 41/3 < 14 < √200
Thus, the set of numbers ordered from least to greatest is- 41/3, 14, √200.
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the points (0, 5) and (0, −5) are the endpoints of the diameter of a circle. the point (3, �) is on the circle, in quadrant 4. what is the value of y?
Using the equation of a circle, it is found that the value of y is -4.
Equation of the circle:
A circle is a closed curve that is drawn from the fixed point called the center, in which all the points on the curve are having the same distance from the center point of the center.
The equation of a circle with (h, k) center and r radius is given by:
(x-h)² + (y-k)² = r²
Given,
The points (0, 5) and (0, −5) are the endpoints of the diameter of a circle.
The point (3, y) is on the circle, in quadrant 4.
Here we need to find the value of y.
The center is the midpoint of them, thus:
[tex]x=\frac{0+0}{2}=0\\ y=\frac{5-5}{2}=0[/tex]
So, the midpoint is (0,0).
The diameter(twice the radius) is the distance between these two points, so:
[tex]2r=\sqrt{(0-0)^2+(5-(-5))^2}[/tex]
=> 2r = √0+100
=> 2r = √100
=> 2r = 10
=> r = 5
Thus, the equation of the circle is:
=> x² + y² = r²
Apply the values,
=> x² + y² = 5²
=> x² + y² = 25
The point (3,y) is on the circle, in quadrant 4. This means that:
Replacing x by 3, we can find the value of y.
Quadrant 4 means that y < 0.
Then:
=> 3² + y² = 25
=> y² = 25 - 9
=> y² = 16
=> y = ±√16
=> y = - 4
The value of y is -4.
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An analysis of variance produces ssbetween = 30, sswithin = 60, and an f-ratio with df = 2, 15. for this analysis, what is the f-ratio?
For this analysis, 4/25 is the f-ratio.
What is f- ratio?
In the psychosocial, behavioral, and health sciences, the F-ratio is frequently employed in study on quality of life. In order to compare two or more groups, it often refers to a statistic that is produced by dividing two sample variances that are supposed to come from normally distributed populations.SS between = 30
SS within = 60
Mean square of regression = 30/2 = 15
Mean square of error = 60/15 = 4
So f ratio = 15/4 = 3.75
So it's answer is D.
Solution(15)
Df between = Df total - Df within = 29-27 = 2
So it's answer is b. I.e. 2
Solution(16)
If Df = 18 and there are two independent sample than total sample size = 18+2 = 20
So it's answer is A
Solution(17)
N1=10
N2 = 15
So DF = 10+15-2 = 23
So it's answer is C. I.e. 23
Solution(18)
D = (M1-M2)/spooled = (35-31)/25 = 4/25
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8. 8x-2y 10 xy (if x = 4 and y = -7)
Write 6,750,000,000 in scientific notation.
O 6.75 × 10⁹
O 675 x 107
675 x 10-7
06.75 × 10-9 question 13
The proper format for scientific notation is a x 10^b , 6.75 × 10⁹ is the scientific notation for 6,750,000,000.
What is Scientific Notation?The proper format for scientific notation is a x 10^b where a is a number or decimal number.
Given number is 6,750,000,000, we need to write in scientific notation.
To write the number to scientific notation, we need to follow few rules, Move the decimal so there is one non-zero digit to the left of the decimal point.
The number of decimal places you move will be the exponent on the . If the decimal is being moved to the right, the exponent will be negative.
If the decimal is being moved to the left, the exponent will be positive.
6,750,000,000 = 6.75 × 10⁹
Therefore 6.75 × 10⁹ is scientific notation for 6,750,000,000.
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need help solving please
Answer:
b
Step-by-step explanation:
15^2= 225
[tex]5\sqrt{3}= 8.66025404\\8.66025404^{2} = 75\\225+75=300\\\\10\sqrt{3}=17.3205081\\17.3205081{2}= 300\\\\225+75=300\\300=300[/tex]
A 9,000 deposit for 4 years at a compound interest rate of 6%
Answer:
Your answer is $11,362
I hope this helps!
-2-12(-2x-3) apply distributive property
Please i need asap!!
I think this is the answer, I totally forgot what distributive property is.
wait. im not so sure, ignore me if you don't think im right
A car travels 55 miles per hour
1. The unit rate speed for this car is ___ miles per hour
2. if the car has driven 1/2 (0.5) hours, it traveled ___ miles
3. if the car has driven 1 1/2 (1.5) hours, it has traveled ___ miles
4 If the car has traveled 110 miles, it will take ___ hours
!! No explanation needed please! :) correct answer gets brainlesst !!
For the car travelling with 55 miles per hour-
unit rate = 55 miles per hour.distance travelled = 275 miles.distance travelled = 825 miles.Time taken = 2 hoursWhat is distance speed relation?The distance is a actual length of a path taken by the object.
The speed is the rate at which the distance changes over time. If 'D' is the distance traveled by an object in time 'T,' the speed is equal to s = D/T. It is measured in the same units as velocity.For, the values given in the question;
1. The unit rate speed for this car is ___ miles per hour
S = D/T
S = 55 miles per hour.
Rate of speed is the same as the speed.
Thus,
The unit rate speed for this car is 55 miles per hour
2. if the car has driven 1/2 (0.5) hours, it traveled ___ miles
S = D/T
D = S×T
S = 55 miles per hour.
T = 0.5
Put the values;
D = 55×0.5
D = 275 miles.
Thus, the car travelled 275 miles.
3. if the car has driven 1 1/2 (1.5) hours, it has traveled ___ miles
S = D/T
D = S×T
S = 55 miles per hour.
Put the values;
D = 55×1.5
D = 825 miles.
Thus, the car travelled 825 miles.
4 If the car has travelled 110 miles, it will take ___ hours
S = D/T
S = 55 miles per hour.
D = 110 miles
T = D/S
Put the values;
T = 110/55
T = 2 hours.
Thus, the time taken by car is 2 hours.
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Translate the sentence into an inequality. twice x is at most 25. what is the answer
The answer is [tex]2x\leq 25[/tex] .
An inequality compares two values and indicates whether one is less than, greater than, or equal to another.a ≠ b indicates that a is not equal to ba < b indicates that a is less than ba > b indicates that a is greater than b (These two are known as strict inequalities)a ≤ b means that a is less than or equal to ba ≥ b means that a is greater than or equal to b.It is given that twice of x is at most .
“At most” refers to a maximum amount.
“At most” means that any number less than the number presented is acceptable or true,
In mathematically , it is represented as
[tex]2x\leq 25[/tex]
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[tex]\frac{3}{5}x+22=28
The value of x is 1/ 5
What are algebraic expressions?
Algebraic expressions are expressions that comprise of variables, factors, coefficients, terms and constants.
They are also made up of mathematical operations such as addition, division, multiplication, subtraction, etc
Given the expression:
3/ 5x + 22 = 28
collect like terms
3/ 5x = 28 - 22
3/ 5x = 6
cross multiply
5x × 6 = 3
30x = 6
Makr 'x' the subject
x = 6/ 30
x = 1/ 5
Thus, the value of x is 1/ 5
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can someone help me really quick
Answer:
last one h babysat for 6 hours
Write a number to represent the quantity.
a loss of five yards
Answer:
6-1
Step-by-step explanation:
who wants some points?
Answer:
4. a plan to win debate about the novels main message, and your favorite words 4. a plan to win debate about the novels main message, and your favorite words 4. a plan to win debate about the novels main message, and your favorite words
Step-by-step explanation:
Round 91584.3774339 to 2 decimal places.
Answer:
To 2 decimal places, we have 91584.38.
What is 2,567,653,987+2,000,000,245
Answer: 4,567,654,232
Step-by-step explanation:
2,567,653,987+2,000,000,245=
4,567,653,987+245=4,567,654,232
Point Y is the midpoint of XZ . Z is the midpoint of YW. Prove that XY ≅ ZW.
From equation 1 and 2, you can see that XY = YZ and Z = ZW, hence according to the transitive property, we can conclude that XY ≅ ZW.
Midpoint of coordinateA midpoint is a point that divides a line of a segment into two equal parts. It also means that the point bisects the given line.
If the point Y is the midpoint of XZ, then;
XY + YZ = XZ and;
XY = YZ .........1
Similarly, if Z is the midpoint of YW, then;
YZ + ZW = YW and;
YZ = ZW ..........2
From equation 1 and 2, you can see that XY = YZ and Z = ZW, hence according to the transitive property, we can conclude that XY ≅ ZW.
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one (friend a) talks about computer science 80% of the time, and linguistics 20% of the time; the other (friend b) talks about linguistics 70% of the time, and computer science 30% of the time. one day, you find a typed note on your desk about computer science. your lab-mates leave you notes equally often, so you don't know who left this one. what is the probability the note is from friend a? show your work.
40% is the probability the note is from friend A.
The lab mates leave notes equally often,
Probability of A 50%
Probability of B 50%
Probability A talks about computer science at 80%
Probability B talks about computer science at 30%
chance that the note is from a friend A is
A = 50% X 80%
= 40%
Hence, 40% is the probability the note is from friend A
What do you mean by probability?
Probability is a way to gauge how likely something is to happen. Many things are difficult to forecast with absolute confidence. Using it, we can only make predictions about how probable an event is to happen, or its chance of happening.
By simply dividing the favorable number of possibilities by the entire number of possible outcomes, the probability of an occurrence can be determined using the probability formula.
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Please help me please help me
Answer: A
Step-by-step explanation: Translate up 1 unit, over to the right 5
Determine the truth value of the following conditional statement. If true, explain your reasoning. If false , give a counterexample.
If pigs can fly, then 2+5=7 .
The truth value of the statement; If pigs can fly, then 2+5=7 is false.
What is syllogism?The term syllogism has to do with logical reasoning. In this case, the premise must lead to the conclusion. The premise is the basis upon which we could draw the conclusion. The truth value of the premise is what determines the truth value of the conclusion as one naturally follows from the other.
Now, in this case we have a conditional statement. Recall that a conditional statement is an if – then statement. The truth value of the premise has an impact on the truth value of the conclusion. We have the statement written in the manner; If pigs can fly, then 2+5=7 .
We know that pigs can not fly. This is a false premise. However, the conclusion that has been given is true by the principle of addition in mathematics. The truth value of the statement is false.
An example of a truth value in which both the premise and the conclusion are true is; If lions are wild animals then lions are one of the animals found in the forest.
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10-5/1 +7n ≥-30
Help me this hard
Answer:0.289x100
Step-by-step explanation:
Answer:
n ≥ - 5
Step-by-step explanation:
10 - 5/1 + 7n ≥ - 30 , simplifying left side
10 - 5 + 7n ≥ - 30
5 + 7n ≥ - 30 ( subtract 5 from both sides )
7n ≥ - 35 ( divide both sides by 7 )
n ≥ - 5
Looking Ahead Vocabulary
28. The current of a river flows north at a constant rate. What is the constant in the
mathematical expression 3x + 5y +3?
Answer:
The constant would be 3 in the question
Step-by-step explanation:
Quadrilateral WXYZ is a rectangle.
If X W=3, W Z=4 , and X Z=b , find Y W .
The length of the diagonal YW of rectangle WXYZ is; 5 units.
How to find the diagonals of a rectangle?
The diagonals of a rectangle are congruent and so;
YW ≅ XZ
Thus; YW = XZ = b
Now, given the three sides of right triangle XWZ, we can solve for XZ using Pythagorean Theorem:
(XW)² + (WZ)² = (XZ)²
Plugging in the relevant values gives;
3² + 4² = b²
9 + 16 = b²
25 = b²
b = √25
b = 5
Thus, we can conclude that the length of the diagonal YW is 5 units.
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For+a+first+order+reaction,+how+many+half-lives+are+required+for+the+concentration+of+reactant+to+decrease+to+1.56%+of+its+original+value?
6 half-lives are required for the concentration of reactant to decrease to 1.56% of its original value.
Using integrated rate law for first order kinetics as:
[tex][A_t]=[A_0]e^{-kt}[/tex]
Where
[tex][A_t][/tex]is the concentration at time t
[tex][A_0][/tex] is the initial concentration.
Given,
Concentration is decreased to 1.56 % which means that 0.0156 of [tex][A_0][/tex] is decomposed. So,
=> [tex]\frac{[A_t]}{[A_0]}[/tex] = 0.0156
Thus
=> 0.0156 = [tex]e^{-kt}[/tex]
When we simplify it,
Then we get,
kt = 4.1604
k = 4.1604/t
The expression for the half life is:-
Half life = 15.0 hours
[tex]t_{1/2}=\frac{ln2}{k}[/tex]
Where, k is rate constant
So,
[tex]k=\frac{ln2}{t_{1/2}}[/tex]
Apply the value of k then.
[tex]\frac{4.1604}{t}=\frac{ln2}{t_{1/2}}[/tex]
Therefore,
[tex]t=6\times t_{1/2}[/tex]
Therefore, 6 half-lives are required for the concentration of reactant to decrease to 1.56% of its original value.
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Simplify the following expression:
2y-7x + 4x² + 3y + 7x
A. 4x214x + 5y
B. 4x² - 14x
C. 4x² + 14x + 5y
D. 4x² + 5y
The simplified expression for the expression 2y - 7x + 4x² + 3y + 7x is
D. 5y + 4x²
Option D is the correct answer.
We have,
To simplify the expression 2y - 7x + 4x² + 3y + 7x, we combine like terms:
The like terms are:
2y and 3y
-7x and 7x
Group the terms with "y" together: 2y + 3y = 5y
Group the terms with "x" together: -7x + 7x = 0
Combining (1) and (2) for the expression.
Now the expression becomes:
5y + 4x²
Thus,
The simplified expression for the expression 2y - 7x + 4x² + 3y + 7x is
D. 5y + 4x²
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