B and E
Step-by-step explanation:
b) The range is the set of output values.
e)5 is included in the domain of this relation
what us forty thousand in base ten form
Number of students
10
3
Ages
15-18
19-22
23-26
27-30
31-34
35-38
2
9
7
5
Based on the frequency distribution above, find the relative frequency for the class with lower class limit 23
%
Relative Frequency =
Give your answer as a percent, rounded to one decimal place
Answer:
It would be 11.4%
Step-by-step explanation:
I hope this helps :), sorry if im wrong
Solve 0 = 22 + 8x + 17 by completing the square
Answer:
x = -39/8
Step-by-step explanation:
1) Just combine the "like-terms"
2) Subtract the like terms on the other side.
3) What square? it's just an x, so solve for x, your given may have been wrong, if that is comment me with the given so I could solve the equation.
[tex]\:\:\:\huge\color{}\boxed{\colorbox{}{Process:}}\\\\[/tex]
[tex]{\boxed {\bold {0 = 22 + 8x + 17}}}}}[/tex]
• Here we add the natural (normal) numbers.
[tex]{\boxed {\bold {0 = 22 + 8x + 17}}}}}[/tex]
[tex]{\boxed {\bold {0 = 39 + 8x}}}}}[/tex]
• Now since this cannot be simplified, they are just a fraction. [tex]{\boxed {\bold {x=\frac{39}{8}}}}}}[/tex] ✔ • Another way to know if the result is correct is to use subtraction. [tex]{\boxed {\bold {0=8x+39}}}}}[/tex] [tex]{\boxed {\bold {0-39=8x+39-39}}}}}[/tex] ✔ ➥ I hope I have helped you, greetings! Atte: ღTheGirlSadღHow do I complete the table please help me 100 POINTS
Answer:
1st blank= -2
2nd blank=3
3rd blank= 4
Step-by-step explanation:
For each x-value, subtract 6 to get the y value.
5 4 6 5 ) 4 how do I do long division for that questions
Answer
answer is 1366.25
Step-by-step explanation:
kinda complicated answering online watch a long division tutorial on khan academy
help pls i really need this
Answer:
Triangle ABC is dilated by a scale factor of 1.5
Step-by-step explanation:
Multiply ABC's coordinates by 1.5 to get the coordinates of A'B'C'
A certain music club charges an annual membership fee of $50, in return, its members will be able to buy and download songs at a very low cost of 13 cents each. How many songs can Tyna buy if her annual music budget is less than $125?
Answer:
50+75/0.13=x 75/0.13 roughly 576 it is a little more than 576 but you can't have a fraction of a song so we round down to 576
Which decimal is equivalent to 910?
9.0
0.9
0.09
0.009
pls hurry this is my mid test
please solve it help me ..............
Answer:
(a) = iv
b = i
c= ii
d = iii
Q-3
- radical 3
Step-by-step explanation:
Test IV
Answer the questions after each problem.
1.Mother bought a 5-kilo watermelon for P147.50. How much per kilo is the watermelon?
a. what is asked?
b. what are given?
2.A group of 8 pupils signed up for a weekend computer course. They paid of P678.70. How much did each pupil pay?
a. what is asked?
b. what are given?
3.In an EPP class, Ian made 8 hamburgers for lunch using 1.36 kg of ground beef. How much ground beef was used in each hamburger?
a. what is asked?
b. what are given?
4. Teacher Amy had 1.86 meter of gold ribbon which she cut into pieces. If each piece measured 0.08 meter, how many pieces of ribbon were cut?
a. what is asked?
b. what are given?
5. The Yes O members planted Mabolo trees along 2.90 km river bank. For every 0.05 km distance, an Arius tree seedling is planted. How many seedlings were planted along the river?
a. what is asked?
b. what are given?
Answer:
I think the image above will help you
) The product of a number and 3 is 7.5. What is the number?
) First, write an equation to describe the situation,
---
+
Answer:
2.5
Step-by-step explanation:
X × 3=7.5
divide by 3
x=2.5
The required equation to describe the situation is x × 3 = 7.5, and the number is 2.5.
What is the equation?The equation is defined as mathematical statements that have a minimum of two terms containing variables or numbers that are equal.
The equation to describe the situation is:
x × 3 = 7.5
Where x is the number.
This equation states that the product of a number (x) and 3 is equal to 7.5. This equation can be read as "x multiplied by 3 equals 7.5."
To find the value of x, we can solve for x by dividing both sides of the equation by 3:
x = 7.5/3
x = 2.5
So, the number is 2.5.
You can check this by substituting the value of x back into the equation:
x × 3 = 7.5
2.5 × 3 = 7.5
7.5 = 7.5
So, it holds true.
Learn more about the equation here:
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Simplify each expression using the properties of natural logs.
[tex]\begin{array}{llll} \textit{Logarithm Cancellation Rules} \\\\ log_a a^x = x\qquad \qquad a^{log_a x}=x \end{array} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \ln\left( e^{-6x} \right)\implies \log_e\left( e^{-6x} \right)\implies -6x \\\\\\ e^{4\ln(x)}\implies e^{\ln(x)4}\implies e^{\log_e(x)4}\implies \left[ e^{\log_e(x)} \right]^4\implies [x]^4\implies x^4 \\\\\\ e^{\ln(4x)+2}\implies e^{\ln(x)}\cdot e^2\implies e^{\log_e(x)}\cdot e^2\implies xe^2[/tex]
Which triangle is △ABC similar to and why?
△ABC is similar to △DEF by AA Similarity Postulate.
△ABC is similar to △GHI by AA Similarity Postulate.
△ABC is similar to △JEL by AA Similarity Postulate.
△ABC is not similar to any of the triangles given.
Answer:
△ABC is similar to △JEL by AA Similarity Postulate.
Step-by-step explanation:
Help me and u get 70 points you gotta get it right
Answer:
c
Step-by-step explanation:
opposite angles have the same angle
4. What percent is 15 out of 75?
Answer:
20%
Step-by-step explanation:
I looked it up haha :)
HOWEVER here is how you actually do it
15:75*100 =
( 15*100):75 =
1500:75 = 20
Have a good day!
Answer:
20%
Step-by-step explanation:
your part and whole have to equal too 100
[tex]\frac{15}{75}[/tex] = [tex]\frac{x}{100}[/tex]
simplify 15 and 75 to 1/5
5x20 = 100
1 x 20 =20
15 is 20% out of seventy five
HELP!!
In 5-8, write an equation of the trend line in slope-intercept form.
First, find out the y-intercept(s).
For 5, it is 6. For 6, it is 150. For 7, it is 20. For 8, it is 0.
Now we need to find the slopes.
For 5, it goes down one and right 2, so it would be -1/2 (rise/run).
For 6, it goes up 100 and right 2, so it would be 100/2 (rise/run) or 50.
For 7, it goes up 10 and right 3, so it would be 10/3 (rise/run).
For 8, it goes up 25 and right 1, so it would be 25/1 (rise/run) or 25.
Then you plug into the equation: y = mx + b
5: y = -1/2x + 6.
6: y = 50x + 150.
7: y = 10/3 + 20.
8: y = 25x + 0 which would be y = 25x (since add 0 is useless).
i need help please
whats the anwser
Answer:
x = -0.90, y = 2.31x = 1.40, y = 9.19Step-by-step explanation:
Equating the expressions for y will give a quadratic in x:
4x^2 +x = 3x +5
4x^2 -2x = 5 . . . . . . collect x-terms on the left
4(x^2 -1/2x) = 5 . . . .factor out the leading coefficient
4(x^2 -1/2x +1/16) = 5 4/16 . . . . complete the square
4(x -1/4)^2 = 84/16 . . . . write the quadratic as a square
x -1/4 = (±√21)/4 . . . . . divide by 4 and take the square root
x = (1 ±√21)/4 . . . . . . . add 1/4
y = 3x +5 = 3(1 ±√21)/4 +5 = (23 ±3√21)/4 . . . . use the linear equation for y
The solutions are ...
x = (1 -√21)/4; y = (23 -3√21)/4 ≈ 2.31
x ≈ -0.89, y ≈ 2.31
x = (1 +√21)/4; y = (23 +3√21)/4
x ≈ 1.40, y ≈ 9.19
what is the change in elevation from 8500m and -300m
Answer:
8800m
Step-by-step explanation:
difference between 8500 and -300 is 8800m
AT a school, 460 of the students walk to school
A. The numbers of students who take public transit is 20% of the number of students who walk. How many students take public transit
Answer:
96 students take the public transit!
Step-by-step explanation:
Let's make a proportion!
x/460 = 20/100
100x=9600 (460x20)
x=96 (cuz you divide both sides by 100)
Is 350% of 49 less than 100, greater than 100 but less than 150, or greater than 150?
Answer:
the answer is 171.5
Step-by-step explanation:
first, you have to find 100% of 49, which is 49, then you multiply 49 x 3.5, and you get 171.5
The diagonals of the parallelogram are equal to 17 and 19, and the sides are proportional to each other as 2:3, Find sides.
Answer:
10 and 15 unitsStep-by-step explanation:
Given:
d₁ = 17d₂ = 19a = 2xb = 3xUse the relationship between diagonals and sides of the parallelogram:
d₁² + d₂² = 2(a² + b²)Substitute and solve for x:
17² + 19² = 2((2x)² + (3x)²)650 = 2(4x² + 9x²)325 = 13x²x² = 325/13x² = 25x = 5Find the sides:
a = 2x = 2*5 = 10b = 3x = 3*5 = 15What is 12 divided by p
Answer:
if p=12 then it is 1
Step-by-step explanation:
you first have to know how much p represents so that you can then verify what your dividing 12 into.
What is the factored form of 2x3 + 4x2 - x?
X
o 2x(x2+2x+1)
x(2x2 +4x+1)
o 2x(x2+2x-1
x{2x2 +4x-1)
The factored form of the quadratic expression 2x³ + 4x² - x is x(2x² + 4x - 1).
The correct option is D.
What is the greatest common factor?The greatest number can divide the numbers into equal parts.
It is called the greatest common factor.
To factor 2x³ + 4x² - x, we can first factor out the greatest common factor, which is x:
2x³ + 4x² - x = x(2x² + 4x - 1)
Now, we need to factor the quadratic expression 2x² + 4x - 1. We can use the quadratic formula to find its roots:
x = (-b ± √(b² - 4ac)) / 2a
where a = 2, b = 4, and c = -1:
x = (-4 ± √(4² - 4(2)(-1))) / 2(2)
x = (-4 ± √(20)) / 4
x = (-4 ± √(5)) / 4
x = (-2 ± √(5)) / 2
Therefore, the factored form of 2x³ + 4x² - x is:
2x³ + 4x² - x = x(2x - (-2 + √(5)))(2x - (-2 - √(5)))
To learn more about the greatest common factor;
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Help help help math math
Answer:
V ≈ 160 ft³
Step-by-step explanation:
V = [tex]\frac{\pi r^2h}{3}[/tex] ( r is the radius and h the height )
Here the diameter = 8 then r = 8 ÷ 2 = 4 and h = 10 , then using π ≈ 3
V ≈ [tex]\frac{3(4)^2(10)}{3}[/tex] ( cancel 3 on numerator/ denominator )
= 4² × 10
= 16 × 10
= 160 ft³
Which is the equation in slope-intercept form of the line that contains points E and F?
A. 4x-y=12
B. y-4=4(x-4)
C. y=4x-12
D. x-4=4(y-4)
Answer:
C. y = 4x - 12Step-by-step explanation:
The coordinates of E and F are:
E(4, 4) and F(2, -4)Find the slope:
m = (- 4 - 4)/(2 - 4) = - 8 / - 2 = 4Use point-slope form and point E:
y - 4 = 4(x - 4)Convert into slope-intercept form:
y = 4x - 16 + 4y = 4x - 12The matching choice is C
Equation in two points form
[tex]\\ \tt\longmapsto y+4=\dfrac{4+4}{4-3}(x-3)[/tex]
[tex]\\ \tt\longmapsto y+4=8(x-3)[/tex]
[tex]\\ \tt\longmapsto y+4=8x-24[/tex]
[tex]\\ \tt\longmapsto 8x-y=28[/tex]
Convert to y=mx+b form[tex]\\ \tt\longmapsto y=8x-28[/tex]
A wall is 300 square feet.a gallon of paint covers 110 square feet. What is an appropriate conversion factor to help determine how many gallons of paint will be needed to paint the wall?
Answer:
(1 gallon)/(100 ft^2)
Step-by-step explanation:
(1 gallon)/(100 ft^2) is a good conversion factor. We could also use (100 ft^2)/(1 gallon), but I like the first, since the calculation is simpler:
(300ft^2)*/(1 gallon)/(100 ft^2) = 3 gallons [I like multiplication better than division, and especially here, since 300/100 is 3, if my memory is correct.
help please i need this
Calculate the size of each angle in the triangle.
2x
2x + 5
3x+7
Answer:
48°, 53°, and 79°
Step-by-step explanation:
The sum of angles of a triangle is 180 (degrees), so you have ...
2x +(2x +5) +(3x +7) = 180
7x +12 = 180
7x = 168
x = 24
Then the measures of the angles are ...
2(24) = 48
2(24) +5 = 53
3(24) =7 = 79
The angles are 48°, 53°, and 79°.
A railroad crew can lay 5 miles of track each day. They need to lay 140 miles of track. The length, L (in miles), that is left to lay after d days is given by the
following function.
L(d) = 140-50
Answer the following
(a) How many days will it take the crew to lay all the track?
I days
(b) How many miles of track does the crew have left to lay after 18 days?
miles
Answer:
a) 28 days
b) 50 miles
Explanation:
a) 5 miles a day
140 miles ? days
140÷5= 28 days
b) 5 miles a day
? miles 18 days
18×5= 90 miles
140 miles - 90 miles = 50 miles
A group of friends were working on a student film with a budget of $700, which they
spent on costumes and equipment. They spent $168 on equipment. What percent did
they spend on costumes?
Answer:
76%
Step-by-step explanation:
First do 700 - 168 which is 532
Next we see that 700 is 100% in this scenario
Then we will use the value we seek as ‘x’
So, x% = 532
We can put the two equations, 100%/x% = 700/532
they both have LHS
We can take the inverse from both sides yields
Therefore, the answer is 76%
