its 0=-5
ur mom lolololololoOLOOLOLLLLO
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Two cars leave the same parking lot, with one heading north and the other heading east.
After several minutes, the northbound car has traveled 3 kilometers, and the eastbound car
has traveled 4 kilometers. Measured in a straight line, how far apart are the two cars?
kilometers.
The two cars are 5 kilometers far apart from each other.
What is Pythagoras theorem?
The Pythagoras theorem states that in a right triangle, the square of the hypotenuse is equal to the sum of the square of the other two sides.
Given that;
Two cars leave the same parking lot, with one heading north and the other heading east.
After several minutes, the northbound car has traveled 3 kilometers, and the eastbound car has traveled 4 kilometers.
Now,
The straight path is find by using the Pythagoras theorem as;
Straight path = √3² + 4²
= √9 + 16
= √25
= 5 km
Therefore,
The two cars are 5 kilometers far apart from each other.
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14/3 = 7y solve for y and simplify your answer as much as possible
Answer:
2/3 = y
Step-by-step explanation:
to solve you got to cancel out the 7
so 7y/7.
whatever you do to one side, you do to the other.
14/3 ÷ 7 = 7y/7
14/3 ÷ 7 = 0.6666... = 2/3 = y
A sea turtle is 3 feet below the surface of the sea. If its position can be recorded as −3 feet, what would the position 0 represent in this situation? (4 points)
Group of answer choices
A.) the height of the turtle
B.) the distance above the surface of the sea
C.) the distance below the surface of the sea
D.) the surface of the sea
Answer:
D
Step-by-step explanation:
-3 ft means that it is three feet below zero. That means 0 means the sea level.
42
X
40
Find the unknown side length, x. Write your answer in simplest radical form.
A. 241
B. 4 29
C. 48
D. 58
The unknown side length of the right triangle is 58 units.
What is pythagoras theorem for a right triangle?
In essence, the Pythagorean theorem is used to determine a triangle's angle and length of an unknown side. In a right-angled triangle, the square of the hypotenuse side is equal to the sum of the squares of the other two sides, according to Pythagoras's Theorem. These triangle's three sides are known as the Perpendicular, Base, and Hypotenuse. Due to its position opposite the 90° angle, the hypotenuse in this case is the longest side. When the positive integer sides of a right triangle (let's say sides a, b, and c) are squared, the result is an equation known as a Pythagorean triple.
Mathematically, Hypotenuse² = Base² + Perpendicular²
Given, the length of the perpendicular of the right triangle = 42 units
Also, the length of the base of the right triangle = 40 units
Let the length of the hypotenuse of the right triangle = 'x' units
Following the statement of the pythagoras theorem as established in literature, we have: Hypotenuse² = Base² + Perpendicular²
Substituting the values from the question given, we get:
x² = 42² + 40² = 3364 ⇒ x = √3364 ⇒ x = √58² ⇒ x = 58
Therefore, the unknown side length of the right triangle is 58 units.
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At the beginning of spring, Anand planted a small sunflower in his
backyard. The sunflower's height in inches, h, after w weeks, is given by the equation h = 3.75w+18. What
could the number 3.75 represent in the equation?
Hint: this equation is in slope-intercept form: y=mx+b
The rate of change in the sunflower's height
The sunflower's height after one week
The sunflower's height when it is planted
Answer:
3.75 represents how much the flower grows every week.
Step-by-step explanation:
8.
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Please help
HELP PLEASE
Answer:
[tex]\begin{aligned}&\phantom{=.} \dfrac{1}{8}x \cdot \dfrac{-4}{5}x\\\\&=\dfrac{1}{2} \cdot \dfrac{\boxed{-1}}{5} \cdot x \cdot \boxed{x}\\\\& = \dfrac{\boxed{-1}}{\boxed{10}} \;x\;^\boxed{2}\end{aligned}[/tex]
Step-by-step explanation:
According to the Commutative Property Law of Multiplication, changing the order or position of the numbers does not change the end result.
Therefore, collect like terms by moving the fractions to the left and the variables to the right.
As the denominator of the first fraction has been divided by 4, the numerator of the second fraction should also be divided by 4.
Therefore:
[tex]=\dfrac{1}{2} \cdot \dfrac{\boxed{-1}}{5} \cdot x \cdot \boxed{x}\\[/tex]
[tex]\textsf{Apply\;the\;fraction\;rule} \quad \dfrac{a}{c}\cdot \dfrac{b}{d}=\dfrac{ab}{cd}.[/tex]
[tex]\textsf{Apply\;the\;exponent\;rule}\quad \:aa=a^2.[/tex]
Therefore:
[tex]=\dfrac{\boxed{-1}}{\boxed{10}} \;x\;\boxed{^2}[/tex]
What percentage of the number 1 to 20 contain the digit 2????
The amount as a percentage is 15% which represents the number 1 to 20 containing the digit 2.
What is the percentage?The percentage is defined as a ratio expressed as a fraction of 100.
We know that the numbers 1 to 20 that contain the digit 2 are 2,12, and 20.
So, the quantity of the numbers is 3
It’s out of 20 numbers, this means 3/20
Calculating percentages indicated above can be readily computed using the formula below:
Percentage = (Value/Total Value) × 100
The amount as a percent = (Value/Total Value) × 100
The amount as a percent = (3/20) × 100
The amount as a percent = 15%
Thus, the amount as a percentage is 15% which represents the number 1 to 20 containing the digit 2.
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the cost to rent a moving van is $51 plus an additional $7 per hour. If a moving van is rented for 2 hours, what is the cost?
We know that
The cost to rent a moving van is $51 plus an additional $7 per hour.Based on the given information, we define the following
[tex]51+7(2)=51+14=65[/tex]Therefore, the cost is $65.The cost to rent a moving van is $51 plus an additional $7 per hour.
Based on the given information,
x²y6/xy²
What is the value of the expression above
if x = -2 and y = 2?
answer
11
Step-by-step explanation:
4x+1/3y^24(2)+1/3(3)^28+1/3(9)8+3
-7 -6 -5 -4 -3 -2 ONO MN ++ HA -6-5-4-3-2-1 + 11 2 3 4 5 6 7 8 9 -2 -3 F-4 -5 -6 -7 -A + jo voo Alcon ixth If this is the graph of f(-x) = a +k, then : A. 0 < a < 1 B. a < 0 O c. a> 1 O D. K> 1
The function is
[tex]f(x)=a^{(x+h)}+k[/tex]The limit when x->+/- infinite are (analitically)
[tex]\begin{gathered} \lim _{x\to\infty}f(x)=a^{(\infty+h)}+k=a^{\infty}+k \\ \text{and} \\ \lim _{x\to-\infty}f(x)=a^{(-\infty+h)}+k=\frac{1}{a^{\infty}}+k \\ \end{gathered}[/tex]And, from the figure,
[tex]\begin{gathered} \lim _{x\to\infty}f(x)=\infty \\ \text{and} \\ \lim _{x\to-\infty}f(x)=-4 \end{gathered}[/tex]Therefore,
[tex]\begin{gathered} \Rightarrow a^{\infty}+k=\infty \\ \Rightarrow a>1 \\ \text{and} \\ \Rightarrow-4=\frac{1}{a^{\infty}}+k,a>1 \\ \Rightarrow-4=k \end{gathered}[/tex]Therefore, the answer is option C, a>1.
Simplify the expression. 1-31
1. 5/6(-2y+3)=
2. 6(3s-2.5-5s)=
3. 3/10(4m-8)+9m=
4. 2.25-2(7.5-4h)=
5. 3(a-7)=
6.-6(2+x)=
7. -5(3m-4)=
8. -9(-5-4c)=
9. 4.5(3s+6)=
10. -1.4(-5+7g)=
11. 2/5(6-5p)=
12. -4/3(3q-10)=
13. 2(3+4y+5)=
Factor the expression using the GCF.=
14. The expression 8x + 2 factored using the GCF is=
15. The expression 3y-24 factored using the GCF is =
16. The expression 14p-28 factored using the GCF is=
17. The expression 6+16k factored using the GCF is=
Factor out the coefficient of the variable term.=
18. The expression 1/7a + 1/7 factored is=
19. The expression 1/3b - 1/3 factored is=
20. The expression 3/8d + 3/4 factored is=
21. The expression 2.2x+ 4.4factored is=
22. The expression 0.15c - 0.072 factored is=
23. The expression 3/8z + 1 factored is=
24. The expression 6s - 3/4 factored is=
25. The expression 5/2k - 2 factored is=
26. Factor -4 out of 8d + 20 The factored expression is=
27. Factor -6 out of 18z - 15 The factored expression is=
28. Factor -0.25 out of 7g + 3.5 The factored expression is=
29. Factor -1/2 out of -1/2x+ 6 The factored expression is=
30. Factor -1.75 out of -14m - 5.25n The factored expression is=
31. Factor -1/4 out of -1/2x - 5/4y The factored expression is=
The answers are given below.
First of all, we will know about GCF and expressions.
GCF (GREATEST COMMON FACTOR) - The largest number, which is the factor of two or more number is called the Greatest Common Factor (GCF). It is the largest number (factor) that divide them resulting in a Natural number. Once all the factors of the number are found, there are few factors which are common in both.
Expression are mathematical statements that have a minimum of two terms containing numbers or variables, or both, connected by an operator in between.
1). 5/6(-2y+3) (simply multiply 5/6 with both terms using expansion)
=-2(5/6)+3(5/6)
=-5/3+5/2
2). 6(3s-2.5-5s)= 18s-15-30s = -12s-15
3). 3/10(4m-8)+9m = 12/10m-24/10+9m
= 6/5m-12/5+9m
=6/5m+9m-12/5
=51/m-12/5
4). 2.25-2(7.5-4h)= 2.25-15+8h
= 8h-12.75
5). 3(a-7)= 3a-21
6). -6(2+x)= -12-6x
7). -5(3m-4)= -15m+20
8). -9(-5-4c)= 45+36c
9). 4.5(3s+6)= 13.5s+27
10). -1.4(-5+7g)= 7-9.8g
11). 2/5(6-5p)= 12/5-2p
12). -4/3(3q-10)= -4q+40/3
13). 2(3+4y+5)= 6+8y+10 = 8y+10
14. The expression 8x + 2 factored using the GCF is= 2(4x+1)
15. The expression 3y-24 factored using the GCF is = 3(y-8)
16. The expression 14p-28 factored using the GCF is= 14(p-2)
17. The expression 6+16k factored using the GCF is= 2(3+8k)
The coefficient of the variable terms of following are given below
18. The expression 1/7a + 1/7 factored is= 1/7
19. The expression 1/3b - 1/3 factored is= 1/3
20. The expression 3/8d + 3/4 factored is= 3/8
21. The expression 2.2x+ 4.4factored is= 2.2
22. The expression 0.15c - 0.072 factored is= 0.15
23. The expression 3/8z + 1 factored is=3/8
24. The expression 6s - 3/4 factored is=6
25. The expression 5/2k - 2 factored is=5/2
26. Factor -4 out of 8d + 20 The factored expression is= -4(-2d-5)
27. Factor -6 out of 18z - 15 The factored expression is=-6(-3z+5/2)
28. Factor -0.25 out of 7g + 3.5 The factored expression is=-0.25(-28g-14)
29. Factor -1/2 out of -1/2x+ 6 The factored expression is=-1/2(x-12)
30. Factor -1.75 out of -14m - 5.25n The factored expression is=-1.75(8m+3n)
31. Factor -1/4 out of -1/2x - 5/4y The factored expression is=-1/4(2x+5y)
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PLEASE HELP
Classify the equation 6x + 4x-1= 2(5x + 4) as having one solution, infinitely many solutions, or no solution by
solving the problem. Solve the equation for x then classify the solution.
Answer: NO SOLUTION
Step-by-step explanation:
6x + 4x - 1 = 2(5x + 4)
10x - 1 = 2(5x+4)
10x - 1 = 10x + 8
-1 = 8
NO SOLUTION
Can someone please help me! I have no idea what I am doing and have no book to look from!
Answer:
Step-by-step explanation:
1) Find DGE
Bisecting an angle makes it half. A straight line is 180
180/2 = DGE
90 = DGE
2) Find FGE
Bisecting an angle makes it half. A straight line is 180
180/2 = FGE
90 = FGE
Consider the line y =
9
7
x-9.
Find the equation of the line that is parallel to this line and passes through the point (-7, 4).
Find the equation of the line that is perpendicular to this line and passes through the point (-7, 4).
Answer:
Axis interception points [tex]97x-9[/tex] x intercepts: [tex](\frac{9}{97} ,0),[/tex]Y intercepts:[tex](0,-9)[/tex]
Step-by-step explanation:
Slope of 97x-9 : m=97
Domain: 97 x - 9
Range: 97 x - 9
Tanya sells cars. Her yearly salary is $35,000 plus 8% of her sales. Type and solve an inequality to determine her necessary sales to earn over $50,000.
Tanya yearly salary is
$35000 + 8% of her sales
Let her sales be x
Since, her sales is x
35000 + 0.08x > salary
To determine her necessary sales to earn over $50, 000
Let $50, 000 be her benchmark salary
35,000 + 0.08 * x > 50000
35000 + 0.08x > 50000
0.08x > 50000 - 350000
0.08x > 15000
Divide both sides by 0.08
0.08x/0.08 > 15000/0.08
x > 15000 / 0.08
x > 187,500
Therefore, she will need a sales of 188,000 and above to earn above $50,000
Identify the factors of x2 − 5x − 24. (1 point) (x + 8)(x − 3) (x − 8)(x + 3) (x + 4)(x − 6) (x − 4)(x + 6)
Answer:
(x+3)(x–8)
Step-by-step explanation:
Normally you will always write factors in this form: (variable + smallest number)(variable – largest number)
Correct form: (x+2)(x–8)
Incorrect form: (x–2)(x+8)
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PLEASE HELP ASAP!!!!!!!
Rotate R and reflect 90
Step-by-step explanation:
4x + 10 =-26 solve for x
Answer:
x=-9Step-by-step explanation:
To solve for x, isolate this equation from left to right.
4x+10=-26
First, subtract by 10 from both sides.
4x+10-10=-26-10
Solve.
-26-10=-36
4x=-36
Then, you divide by 4 from both sides.
4x/4=-36/4
Solve.
-36/4=-9
[tex]\Rightarrow \boxed{\sf{x=-9}}[/tex]
As a result, the solution is x=-9, which is the correct answer.
I hope this helps, let me know if you have any questions.
Answer:
-9
Step-by-step explanation:
First you subtract 10 from each side
4x + 10 = -26
-10 -10
then you divide by your x
4x = -36
4 4
the 4s cancel out leaving you with x only
x = -36/4
x = -9
A. Solve each absolute value equation. /2.5pts
1)| 3x| = 9
Answer:
x = 3
or
x = -3
(explanation in the picture above)
Answer: x = 3 or x = -3
Step-by-step explanation:
Absolute values make the answer always positive, as they cancel out the negative sign. So to solve an absolute value equation, we must solve for both the positive and negative of the answer.
3x = 9
3x = -9
x = 3 or x = -3
Give a polynomial of degree 3 that has zeros of 18, 10i, and −10i, and has a value of −3434 when x=1. Write the polynomial in standard form axn+bxn−1+….
The polynomial in standard form is 2x³+200x-36x²-3600
A polynomial is a mathematical formula that involves only the operations subtraction, addition, multiplication, and powers of positive integers of the variables and is composed of coefficients and indeterminates.
It is common to refer to the x of a polynomial as a variable or an indeterminate. The symbol x is fixed and has no significance when the polynomial is viewed as an expression (its value is "indeterminate"). The argument of the function is represented by x, which is referred to as a "variable" when considering the function that the polynomial defines.We know the roots of the polynomial as 18, 10i, and −10i.
therefore the polynomial is of the form.
a(x-18)(x-10i)(x+10i)
= a (x-18)(x²-100i²)
= a (x-18)(x²+100)
= a (x³+100x-18x²-1800)
Now at x =1 The value of the polynomial is -3434
Therefore
-3434 = a(1+100-18-1800)
or, a = 2
Therefore the polynomial is of the form: (2x³+200x-36x²-3600)
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Please help!!!!
I’ll give you the Brainiest
A triangle has height 4ft and area 32 ft². What is the length of its base?
Step-by-step explanation:
1st
[tex]area = \frac{1}{2} base \times hight[/tex]
2nd
[tex]32 = \frac{1}{2} base \times 4[/tex]
3rd
[tex]32 \div 4 = \frac{1}{2} base[/tex]
4th
[tex]8 \times 2 = base[/tex]
answer
[tex]base = 16ft[/tex]
3. a person is watching the space shuttle launch. the person is 3000 ft from the launch pad. how fast is the distance between the person and the shuttle changing when the shuttle is 4,000 ft high and rising at a rate of 800 ft/sec?
The distance between the person and the shuttle is changing at a rate of 640 feet/sec when the shuttle is 4000 ft high and is rising at a rate of 800 ft/sec.
Considering x to be the height of the triangle and y to be the hypotenuse of the triangle, a right-angled triangle will be formed according to the given information having a base of 3000 feet which is the distance of the person from the launch pad.
In this right-angle triangle x will be the height of the shuttle and y will be the distance between the person and the shuttle.
Now we apply the Pythagorean theorem to the triangle;
y² = x²+(3000)²
Now differentiating this equation with respect to time,t :
2y (dy/dt) = 2x(dx/dt) + 0
dy/dt = x(dx/dt)/y
As the shuttle is rising at a speed of 800 ft/sec, (dx/dt)=800
Substitute 4000 for x into the equation, y²=x²+(3000)², to find y;
y² = (4000)²+(3000)²
y = 5000
Now we substitute 4000 for x, 5000 for y, and 800 for dx/dt in the equation, dy/dt = x(dx/dt)/y
dy/dt = 4000(800) / 5000
dy/dt = 640
Therefore, the distance between the person and the shuttle is increasing at a rate of 640 feet/sec.
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When going out for dinner, Sally left an 18% tip. The tip was 9.50. How much was the dinner bill before the tip?
The dinner bill of Sally before the tip is $53.
Given that, Sally left an 18% tip. The tip was 9.50.
What is an equation?In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.
Let the dinner bill of Sally be x.
Now, 18% of x = 9.50
⇒ 18/100 × x = 9.50
⇒ 0.18x = 9.50
⇒ x = 9.50/0.18
⇒ x = 52.77
≈ 53
Therefore, the dinner bill of Sally before the tip is $53.
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Is this relation a function? Justify your answer. 10 9 8 7 5 3 2 1 1 2 3 4 5 6 7 8 9 10 11 A. Yes, because the number of x-values is the same as the number c y-values. B. No, because two points with the same x-value have different y- values. C. Yes, because every x- and y-value is positive. f se two points with the same vevalue have different x-
The correct answer is option B that is No, because two points with the same x-value have different y values.
A relation in mathematics may be defined as the term which describes the relationship between the input and output variables. A function may be defined as the expression in which for one value of input variable x there is only one output variable y. The input variable is called independent variable and output variable is called dependent variable. From the graph given in question it can be seen that at point x = 2 there are two points on the y axis that are y = 2 and y = 11. So, this violates the basic definition of function as for input x there are two outputs y and hence it cannot be regarded as function.
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Find the equation of a line perpendicular to y=x-1 and passes through the point (-1,-5)
A. y+5= -(x+1)
B. y-5=x-1
C. y+5=x+1
D. y-5= -(x-1)
Step-by-step explanation:
d
since you add them up you will have a certain answer that will match up
2. Find the slope and y-intercept of the line.
O slope=3 y-intercept=2
O slope 2 y-intercept=3
O slope 3/2 y-intercept=2
O slope 2/3 y-intercept=2
work out the value of 6 2 plus 3 3
Answer:95
Step-by-step explanation:
This can simply be answered by adding the first digit of both numbers which would be 9 then add the secound number of both numbers and that would be 5
The answer is 95
Answer:
if its 6^2 + 3^3 then its 63
Step-by-step explanation:
6^2 simplified is 36 and 3^3
6 x 6 = 36 + 27 = 63
3 x 3 x 3 =27
3 x 3= 9
9 x 3= 27
please someone help me there are only 3 questions
If the corresponding elements of two sequences of numbers, frequently experimental data, have a constant ratio, known as the coefficient of proportionality or proportionality constant, then the two sequences of numbers are proportional or directly proportional.
Definition of the proportionality constant?
The ratio connecting two given numbers in what is known as a proportional relationship is the constant of proportionality. Constant ratio, constant rate, unit rate, constant of variation, and even rate of change are other names for the constant of proportionality.
K = y/x is the equation for the proportionality constant. The equation for the slope of a line through the origin, m = y/x, is the same as this. One can determine the value by using the equation for the line's slope.
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Can someone help me with this please?
Step-by-step explanation:
in general, a linear function is always of the structure
y = ax + b
"a" is the slope of the line and is the ratio (y coordinate difference / x coordinate difference) when going from one point on the line to another.
"b" is the y-intercept (the y-value when x = 0).
so, if we don't see the solution right away with experience, we have to use the data points (usually starting with the first 2) to solve them 2 equations with 2 variables a, b :
2 = a×1 + b = a + b
1 = a×2 + b = 2a + b
now we can simply subtract the first equation from the second and get
1 = 2a + b
- 2 = a + b
------------------
-1 = a + 0
a = -1
1 = 2×-1 + b = -2 + b
b = 3
and the equation is
y = -x + 3
therefore, when the input is n (that means f(n))
y = output = -n + 3