Answer:
[tex]\boxed{\mathrm{Option \ 4}}[/tex]
Step-by-step explanation:
Given that
[tex]y-4 = x[/tex]
Adding 4 to both sides
[tex]y-4+4 = x+4\\[/tex]
[tex]y = x+4[/tex]
Which of the following is true? |−8| < 6 |−6| < |−8| |8| < |−6| |−6| < −8
Answer: The second choice
Step-by-step explanation:
Absolute value is the distance a number is from 0 on the number line. Thus, the absolute value of -8 is 8, which is greater than the absolute value of -6, or 6.
Hope it helps <3
Answer:
Step-by-step explanation:
the second option, |-6| < |-8|.
What is the horizontal distance from the end of the ramp to the back of the truck?
Answer:
134.4 centimetersStep-by-step explanation:
Given,
Hypotenuse ( h ) = 158 cm
Perpendicular ( p ) = 83
Base ( b ) = ?
Now, Using Pythagoras theorem:
[tex] {h}^{2} = {p}^{2} + {b}^{2} [/tex]
[tex] {b}^{2} = {h}^{2} - {p}^{2} [/tex]
Plug the values
[tex] {b}^{2} = {158}^{2} - {83}^{2} [/tex]
Evaluate the power
[tex] {b}^{2} = 24964 - 6889[/tex]
Calculate the difference
[tex] {b}^{2} = 18075[/tex]
[tex]b = \sqrt{18075} [/tex]
Calculate
[tex]b = 134.4 \: cm[/tex]
Hope this helps..
Best regards!!
A triangle is placed in a semicircle with a radius of 4 mm, as shown below. Find the area of the shaded region.
Use the value 3.14 for it, and do not round your answer. Be sure to include the correct unit in your answer.
Answer:
34.26 mm²
Step-by-step explanation:
To find the shaded region we must find the total area of the half-circle and then substract from it the area of the triangle
Step 1: Find the area of the half circleLet A be the area of the half circle
A = r²*π where r is the radius
A = 4²π = 16π mm²
Step2: Find the area of the triangleLet A' be the area of the triangle
A' = (b*h)/2 where b and h are respectively the base and the the height
A'= (8*4)/2 = 16
Step3: Find the area of the shaded regionLet A" be the area of the shaded region
A" = A-A'
A" = 16π -16 = 34.26 mm²
Please help me!! Need help with geometry! Thank you so much!!
Answer:
b
Step-by-step explanation:
A, b, c, and d are all points. the line segements are: ab, bc, cd, da, and ac
Which linear inequality is represented by the graph?
Answer:
A. y ≤ 1/2x + 2
Step-by-step explanation:
Well look at the graph,
It is a solid line with it shaded down,
meaning it is y ≤,
So we can cross out B. and D.
So the y intercept is 2, we know this because the y intercept is the point on the line that touches the y axis.
now the slope can be found by seeing how far away each points are from each other,
Hence, the answer is A. y ≤ 1/2x + 2
During a quality assurance check, the actual contents (in grams) of six containers of protein powder were recorded as 1530, 1532, 1495, 1508, 1528, and 1511. (a) Find the mean and the median of the contents. (b) The third value was incorrectly measured and is actually 1515. Find the mean and the median of the contents again. (c) Which measure of central tendency, the mean or the median, was affected more by the data entry error?
Answer:
Step-by-step explanation:
Given the values of the actual content of protein powder recorded as shown:
1530, 1532, 1495, 1508, 1528, and 1511
a) We are to find the mean and median of the contents.
Mean is the average sum of the numbers. It is expressed mathematically as xbar = ΣXi/N
Xi are individual values
N is the total number of values present.
N = 6
xbar = (1,530+1,532+1,495 +1,508+1,528+1,511)/6
xbar = 9104/6
xbar = 1517.33
Median of the data is the value at the middle after rearrangement. On rearranging from lowest to highest:
1,495, 1508, 1511, 1528, 1530, 1532
The two values at the centre are 1511 and 1528.
Median = 1511+1528/2
Median = 1519.5
b) If the third value was incorrectly measured and is actually 1515, then our new data will become.
1530, 1532, 1515, 1508, 1528, and 1511
xbar = (1,530+1,532+1,515 +1,508+1,528+1,511)/6
xbar = 9124/6
xbar = 1520.67
For median:
We arrange first
1508, 1511, 1515, 1528, 1530, 1532
The two values at the centre are 1515 and 1528.
Median = 1515+1528/2
Median = 1521.5
c) To know the measure of central tendency that was most affected, we will look at the difference in the values gotten for both mean and median.
∆Mean = 1520.67-1517.33
∆Mean = 3.34
∆Median = 1521.5 - 1519.5
∆Median = 2.0
It can be seen that the measure of central tendency with greater deviation is the mean. Therefore, the mean is more affected by the data entry error.
I need help with this one!
Answer:
[tex]\tan A=\frac{10}{24}=\frac{5}{12}[/tex]
Step-by-step explanation:
The easiest way to remember sine, cosine, and tangent ratios is to use SOH-CAH-TOA as an acronym.
SOH - Sine: Opposite over hypotenuse
CAH - Cosine: Adjacent over hypotenuse
TOA - Tangent: Opposite over adjacent
Note that these are referring to the position of the sides relative to the angle you are looking at. In this case, that is angle A. Since it's tangent, we have:
[tex]\tan A=\frac{10}{24}=\frac{5}{12}[/tex]
From past records it is known that 10% of items from a production
line are defective. If two items are selected at random, what is the
probability that only one is defective?
Answer: 0.18
Step-by-step explanation:
P(1 unit is defective)= C2 1* P^1*Q^1
C2 1= 2!/(1!*(2-1)!)=2
P=0.1 - probability that items from a production line are defective
Q=1-0.1=0.9 - probability that items from a production line are functional.
P(1 unit is defective)= 2*0.1*0.9=0.18
find the coordinates of the vertices of the triangle after a reflection across the line y = -1 and then across the line x = -2
Answer: A) N'=(-2, 2) M'=(-1, 0) L'=(-5, -2)
Step-by-step explanation:
N = (-2, -4) M = (-3, -2) L = (1, 0)
Reflection over y = -1
N' = (-2, 2) M' = (-3, 0) L' = (1, -2)
Reflection over x = -2
N'' = (-2, 2) M'' = (-1, 0) L'' = (-5, -2)
Is (4,2) a solution of the system?
Answer:
No.
Step-by-step explanation:
Substitute 4 (as x) and 2 (as y) into the 2 equations to see if they fit.
y = x - 2
2 = 4 - 2
2 = 2
The first equation is true for (4,2).
Now try the 2nd one.
y = 3x + 4
2 = 3(4) + 4
2 ≠ 16
So the 2nd equation is not true for (4,2).
Either one not true makes the solution incorrect.
No, (4, 2) is not the solution for system of Equation.
What is Solution to a Equation?An assignment of values to the unknown variables that establishes the equality in the equation is referred to as a solution.
To put it another way, a solution is a value or set of values (one for each unknown) that, when used to replace the unknowns, cause the equation to equal itself.
Given:
Equations:
y= x-2 ............(1)
y= 3x+ 4.................(2)
Put the value of y from equation 1 to equation (2), we get
x- 2 = 3x+ 4
x- 3x = 4+ 2
-2x = 6
x= -3
and, y= -3 -2 = -5
So, the solution to the system is (-3, -5)
and, (4, 2) can only satisfy the Equation y= x-2 but does not satisfy y= 3x+ 4.
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There were 3 squirrels and 18 acorns on Josh’s back porch. What was the ratio of squirrels to acorns? Enter your answer in reduced form. (100 points!!)
Answer:
1:6
Step-by-step explanation:
Answer:
Step-by-step explanation:
1:6
Find the area of this shape
Answer:
12.5
Step-by-step explanation:
(7.5+2.5)x2.5/2
Answer:
12.5 units ^2
Step-by-step explanation:
This figure is a trapezoid
The area of a trapezoid is given by
A = 1/2 (b1+b2) *h
where b1 and b2 are the lengths of the bases and h is the height
A = 1/2 ( 2.5+ 7.5) *2.5
= 1/2 ( 10) * 2.5
=12.5 units ^2
Help Please! Solve this problem without the law of cosines.
Answer:A
Step-by-step explanation:
The selling price of a car is $15,000. Each year, it loses 12% of its value.
Which function gives the value of the cart years after its purchase?
Select the correct answer below:
f(t) = 15,000(0.12)
f(t) = 15,000(1.12)
f(t) = 15,000(1.88)
f(t) = 15,000(0.88)
f(t) = 15,000 – (0.12)
Answer:
f(t) = 15,000(0.88)Step-by-step explanation:
Applying the formula for the car deprecation we have
[tex]f(t)=P(1-\frac{r}{100} )^n[/tex]
Where,
A is the value of the car after n years,
P is the purchase amount,
R is the percentage rate of depreciation per annum,
n is the number of years after the purchase.
1. The depreciated value of the car after 1 yr is
n=1
[tex]f(t)= 15000(1-\frac{12}{100} )^1\\\f(t)= 15000(1-0.12 )\\\f(t)= 15000(0.88)[/tex]
Please help me with this
I would really appreciate it
thank you
Answer:
1) x=58, y=109
2) x=72, y=36
3) x=60, y=48
Step-by-step explanation:
1) 58 and x are so-called "F-angles" (a.k.a "corresponding angles), so x=58°
The angle on the other side of the 58 is 180-58 = 122 because they are supplementary. We need this one to calculate y.
The sum of angles in a quadrilateral is 360°, so 71 + 58 + 122 + y = 360, so y = 109
2) There are two isosceles triangles. Due to the symmetry, the bottom left angle is also 72, leaving 180-72-72 = 36 for y. The top triangle is the same triangle rotated, so x = 72.
3) Due to the parallel lines, the left angle of the top triangle is also 72, making the supplementary angle below it 180-72=108. The sum in the quadrilateral must be 360, so 72+108+2x+x=360, so 3x=180, x=60.
The sum in the outer triangle must be 180, so 72+y+x = 180, leaving y = 180-72-60 = 48
Lines m and n are parallel. Which of the other 5 named angles have a measure of 110°?
Press the hotspot for all that apply.
Answer:
2 and angle that is left of 5
Step-by-step explanation:
Angle 2 is vertical from 110, and vertical angles are congruent. From this, we can figure out that 2 and 3 (they're supplementary) are 70. Angles 5 and 3 are Alternate Interior Angles, and therefore must be congruent. The one to the left of 5 is supplementary to it, and therefore must be 110. Your answers are angle 2 and the angle that is left of 5.
This Question: 1 pt
Solve the system of equations by the substitution method.
12x + 3y = 22
- 4x = y + 8
Soloct the correct choice helow and if necessary fill in the answer box to complete your choice
Answer:
no solution
Step-by-step explanation:
use the second equation because y is already by itself
-4 x = y + 8
y = -4x - 8
substitute:
12x + 3(-4x - 8) = 22
distribute the 3:
12x -12x - 24 = 22
0 - 24 = 22
-24 ≠ 22
Graph f(x) = \xi.
Click on the graph until the graph of f(x) = \xi appears.
Answer:
The graph of IxI is:
y = x for values of x ≥ 0
y = -x for values of x ≤ 0
Then you will see a "V", with the arms pointing up and the vertex in the point (0, 0)
(Something like in the image, but with the arms pointing upside instead of downside)
The actual graph is:
Evaluate the given algebraic expressions replacing x with −2 and y with 1. 3x2
Answer:
No solutions
Step-by-step explanation:
3x^2=y
3(-2)^2=1
Follow P.E.M.D.A.S.
3(4)=1
12=1
If two points are given, then exactly one line can be drawn through those two points. Which geometry term does the statement represent?
Answer:
its a postulate
Step-by-step explanation:
The statement represents a geometric postulate.
A postulate is one of the basic concepts of geography, and indicates an assumption that is accepted as true in the given theory.
In this way, the main characteristic of the postulate is its general acceptance by the spectrum that studies it, that is, by the totality or vast majority of the scientists who are dedicated to its analysis.
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The side length of the cube is s. Find the domain of the volume of the cube.
Answer:
-∞<x<∞
Step-by-step explanation:
volume of a cube=s^3
the domain is (-∞,∞) the domain is all the real number of s
The equation of a line is y = 1.5x_2. What are it’s slope and y- intercet
Answer: the slope is 1.5 and the y-intercept is -2.
Step-by-step explanation:
Assuming you meant 1.5x-2 and accidentally pressed shift to turn - into _.
This equation is in slope-intercept form: y = mx + b, where m is the slope and b is the y-intercept.
Thus, the slope is 1.5 and the y-intercept is -2.
Hope it helps <3
━━━━━━━☆☆━━━━━━━
▹ Answer
[tex]Slope = 1.5\\\\Y-intercept = -2[/tex]
▹ Step-by-Step Explanation
(I'm assuming the underscore was meant as a minus sign)
[tex]Slope \\equation \\\\ y = mx + b\\\\[/tex]
mx represents the slope and b represents the y-intercept.
Therefore:
1.5 is the slope, and -2 is the y-intercept.
Hope this helps!
CloutAnswers ❁
Brainliest is greatly appreciated!
━━━━━━━☆☆━━━━━━━
Explain how to write an equivalent expression using the
associative property.
2+(11 + y)
Answer:
2+(11+y)=(2+11)+y=11+(2+y)
Answer:
Sample Response: The associative property allows you to keep the order of the terms and change the position of the parentheses. So you can rewrite the terms in the same order and then move the parentheses so that the 2 + 11 is now inside. The equivalent expression is (2 + 11) + y.
Step-by-step explanation:
E d g e n u i t y
Which equation represents a population of 250 animals that decreases at an annual rate of 21%
Answer:
y= 250( 1-0.21)^x
Step-by-step explanation:
This represents exponential decay
The equation represents a population of 250 animals that decreases at an annual rate of 21% will be p = 250(0.79)[tex].^t[/tex] The correct option is C.
What is an exponential function?The mathematical expression f(x)=[tex]e^t[/tex] denotes the exponential function. The term typically refers to the positive-valued function of a real variable, unless otherwise specified.
Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.
It is given that a population of 250 animals is decreasing at an annual rate of 21%.
p = a x b[tex].^t[/tex]
p = a x (1+r)[tex].^t[/tex]
p = 250 x (1+(-0.21))[tex].^t[/tex]
p = 250(0.79)[tex].^t[/tex]
Note that r = -0.21 is negative to indicate we have exponential decay.
Hence, the equation represents a population of 250 animals that decreases at an annual rate of 21% will be p = 250(0.79)[tex].^t[/tex] The correct option is C.
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Solve x2 – 3x = –8 using the quadratic formula.
Here is the step by step answer. hope it helps!
The solution to the quadratic equation x² - 3x + 8 = 0 is given by
x = ( 3/2 ) ± i ( √23/2 )
What is Quadratic Equation?A quadratic equation is a second-order polynomial equation in a single variable x , ax² + bx + c=0. with a ≠ 0. Because it is a second-order polynomial equation, the fundamental theorem of algebra guarantees that it has at least one solution. The solution may be real or complex.
The roots of the quadratic equations are
x = [ -b ± √ ( b² - 4ac ) ] / ( 2a )
where ( b² - 4ac ) is the discriminant
when ( b² - 4ac ) is positive, we get two real solutions
when discriminant is zero we get just one real solution (both answers are the same)
when discriminant is negative we get a pair of complex solutions
Given data ,
Let the quadratic equation be represented as A
Now , the value of A is
x² - 3x = -8
Adding 8 on both sides of the equation , we get
x² - 3x + 8 = 0 be equation (1)
Now , on simplifying the equation , we get
The roots of the quadratic equations are
x = [ -b ± √ ( b² - 4ac ) ] / ( 2a )
Substituting the values in the equation , we get
x = [ - ( -3 ) ± √ ( -3 )² - ( 4 ) ( 1 ) ( 8 ) ] / 2
On simplifying the equation , we get
x = [ 3 ± √ ( 9 - 32 ) ] / 2
x = ( 3/2 ) ± √ ( -23 ) / 2
x = ( 3/2 ) ± i ( √23/2 )
where i² = -1
Therefore , the value of x is x = ( 3/2 ) + i ( √23/2 ) , x = ( 3/2 ) - i ( √23/2 )
Hence , the solution to the equation is x = ( 3/2 ) ± i ( √23/2 )
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A rectangular prism has a length of 9 cm, a width of 5 cm, and its volume is 180 cubic centimeters. What is the height of the prism?
Answer:
Right rectangular prism
Solve for height
h=4cm
l Length
9
cm
w Width
5
cm
V Volume
180
cm³
Answer:
Step-by-step explanation:
volume of rectangular prism=l×w×h
9×5×h=180
h=4 cm
where h is the height of prism.
WILL MARK BRAINLIST----- A particular map shows a scale of 1 cm:5 km. What would the map distance be (in cm) if the actual distance to be represented is 14 km?
Answer:
The map distance would be 2.8 cm
Step-by-step explanation:
Use the proportion given by the following relationship, where you use "x" as the unknown value in cm:
[tex]\frac{1\,\,cm}{5\,\,km} =\frac{x}{14\,\,km} \\\frac{1\,\,cm\.\,(14\,\,km)}{5\,\,km} =x\\x=2.8\,\,cm[/tex]
Which of the these angles is congruent to <5? Yes or no
Hello!
Answer:
A) Yes.
B) No.
C) Yes.
D) Yes.
Step-by-step explanation:
To find the correct solutions to this question, we can go through each choice and check for their congruency:
A) Yes. ∠8 is congruent to ∠5 because ∠5 and ∠8 are vertical angles.
B) No. ∠5 is not congruent to ∠6 because ∠5 and ∠6 are supplementary to each other.
C) Yes. ∠5 is congruent to ∠1 because corresponding angles are congruent.
D) Yes. ∠5 is congruent to ∠4 because alternate exterior angles are congruent.
A) The angle 8 should be congruent so it should be Yes.
B) The angle 6 should be congruent so it should be No.
C) The angle 1 should be congruent so it should be Yes.
D) The angle 4 should be congruent so it should be Yes.
What are congruent angles?The congruent angles are those angles in which the corresponding sides and angles should be of equal measure.
A) Yes. ∠8 is congruent to ∠5 since ∠5 and ∠8 are vertical angles.
B) No. ∠5 is not congruent to ∠6 since ∠5 and ∠6 are supplementary to each other.
C) Yes. ∠5 is congruent to ∠1 since corresponding angles are congruent.
D) Yes. ∠5 is congruent to ∠4 since alternate exterior angles are congruent.
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Circle A has center of (4,6) and a radius of 5, and circle B has a center of (1,0) and a radius of 15. What steps will help show that circle A is similar to circle B? Dilate circle Dilate circle A by a scale factor of 3. translate Circle A using the rule (x - 3, y + 6). Rotate circle A 180° about the center. reflect circle A over the y-axis.
The answer is A. Dilate circle A by a scale factor of 3
I took the test :)
|2x-19| = 4x + 1 helppp
Answer:
x = 9
Step-by-step explanation:
Well to find x we need to use the commutative property which is the moving of numbers and variables to either side of the equation,
|2x - 19| = 4x + 1
-2x to both sides
|-19| = 2x + 1
Absolute value of -19 is 19
19 = 2x + 1
-1 to both sides
18 = 2x
Divide 2 to both sides
x = 9
Thus,
x is 9.
Hope this helps :)
The value of x is -10 when the equation is |2x-19| = 4x + 1
What is Equation?Two or more expressions with an Equal sign is called as Equation.
The given equation is |2x-19| = 4x + 1
Mod of two times of x minus nineteen equal to four times of x plus one.
|2x-19| = 4x + 1
2x-19=4x+1
Now add 19 on both sides
2x=4x+20
Subtract 4x on both sides
-2x=20
Divide both sides by 2
x=-10
Hence, the value of x is -10 when the equation is |2x-19| = 4x + 1
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