Answer:
There are 102 students in each period.
Quadrilaterals are formed on the side of a fishing tackle box by the adjustable shelves and connecting pieces. Explain why the shelves are always parallel to each other no matter what their position is.
If both pairs of opposite sides of a quadrilateral are congruent then the quadrilateral is a parallelogram
Consider the polynomial p(x) = 16x4 - 81y4. Which of the following are equivalent expressions?
Select all that apply.
Answer:
Second expression and Last expression
Step-by-step explanation:
Second expression and Last expression
1. [tex](4x^2-9y^2)(4x^2-9y^2)[/tex]
[tex]4x^2(4x^2-9y^2)-9y^2(4x^2-9y^2)[/tex]
[tex]16x^4 -36x^2y^2 -36x^2y^2+81y^4[/tex]
[tex]16x^4 -72x^2y^2+81y^4[/tex]
2. [tex](4x^2-9y^2)(4x^2+9y^2)[/tex]
[tex]4x^2(4x^2+9y^2)-9y^2(4x^2+9y^2)[/tex]
[tex]16x^4+36x^2y^2-36x^2y^2-81y^4[/tex]
[tex]16x^4-36y^4[/tex]
3. [tex](4x^2+9y^2)(2x-3y)(2x-3y)[/tex]
[tex](4x^2+9y^2)(4x^2-6xy-6xy+9y^2)[/tex]
[tex](4x^2+9y^2)(4x^2-12xy+9y^2)[/tex]
[tex]16x^4-48x^3y+36x^2y^2+36x^2y^2-108xy^3+81y^4[/tex]
[tex]16x^4 -48x^3y+72x^2y^2-108y^3+81y^4[/tex]
4. [tex](4x^2+9y^2)(2x+3y)(2x+3y)[/tex]
[tex](4x^2+9y^2)(4x^2+6xy+6xy+9y^2)[/tex]
[tex](4x^2+9y^2)(4x^2+12xy+9y^2)[/tex]
[tex]16x^4+48x^3y+36x^2y^2+36x^2y^2+108xy^3+81y^4[/tex]
[tex]16x^4+48x^3y+72x^2^2+108xy^3+81y^4[/tex]
5. [tex](4x^2+9y^2)(2x+3y)(2x-3y)[/tex]
[tex](4x^2+9y^2)(4x^2-6xy+6xy-9y^2)[/tex]
[tex](4x^2+9y^2)(4x^2-9y^2)[/tex]
[tex]16x^4-36x^2y^2+36x^2y^2-81y^4[/tex]
[tex]16x^4-81y^4[/tex]
Hope this helps!
Find the area of quadrilateral ABCD.
A. 20.2 units²
B. 20.4 units²
C. 37.66 units²
D. 46.66 units²
If you only have a 1 3 cup measuring cup and a recipe calls for 5 1 3 cups of flour, how many 1/3 cups would you need to use?
Answer:
You would need 16 1/3 cups!
Step-by-step explanation:
I used an equation, but you could also use mental conversions! :
1/3c = 5 1/3
(1/3c)3 = (5 1/3)3 (multiply each side by 3 (3/1))
3c /3 = (48) /3 (divide each side by 3)
c = 16
:)
(c = cups!)
The requried number of 1/3 cups to make the recipe is 16.
What are equation models?The equation model is defined as the model of the given situation in the form of an equation using variables and constants.
here,
Measuring cup = 1/3
Recipe required number of cups = 5 1/3 of flour,
Let the number of 1/3 cups = x
1/3x = 5 1 / 3
x/3 = 16 / 3
x = 16
Thus, the requried number of 1/3 cups to make the recipe is 16.
Learn more about models here:
https://brainly.com/question/22591166
#SPJ2
What is the value of the expression n(8n/10) when n =
5?
Answer:
(8n/10)
8 × 5 = 40
40 ÷ 10 = 4
When a number is decreased by 40% of itself, the result is 90. What is the number?
__________________
DefinitionsPercentage - In mathematics, a percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, "%"
Solvewe can substitute 40% for 0.4x and make an equation
[tex]x-0.4=90[/tex]
simplify
[tex]0.6x=90[/tex]
divide both sides by 0.6
[tex]x=150[/tex]
A class has 7 boys and 10 girls. Select all associated ratios for this class.
10:3
7:3
17:5
7:17
10:7
10:17
7:10
3:7
Answer:
7:10
Step-by-step explanation:
…..
because boys number is 7 and girl number is 10 so
Draw a picture of 3 5/7 as a fraction.
If you would do this in whole number form, it'll be 40/7.
Answer:
3 5/7
Step-by-step explanation:
picture
Write the standard form of the line that contains a slope of 12 and y-intercept of 3. Include your work in your final answer.
Answer:
y = 12x+3
Step-by-step explanation:
y = mx+c
m is the gradient/slope
c is the y intercept
so m is 12 and c is 3
F(x)=2x+6, g(x)=4x^2+1; find (g • f)(1)
Answer:
257
Step-by-step explanation:
[tex]g\cdot{f}=4(2x+6)^2+1\\(g\cdot{f})(1)=4(2*1+6)^2+1=4\times64+1=257[/tex]
Find the area of the regular 18-gon with radius 11 mm
Answer:
36
Step-by-step explanation:
Solve for x in the triangle.
Answer:
A. 1.7
Step-by-step explanation:
x = 1.74303
If rounded, 1.7
Answer: 100% correct
1. A. 1.7
2. D. 64.4
3. A= 140, E= 24, and F= 16
4. 106 mi
Step-by-step explanation:
Determine which point is the solution to the given system.
y= -7/2 x + 32
y= 4/5 x -11
A. (10,-3)
B. (8,4)
C. (15, 1)
D. (12,-10)
Answer:
WHAT UP
Step-by-step explanation:
DO THIS AND THAT LOL
let’s decide whether the following points are on the line 2x=y - 7
(-8.6, -10.2)
Answer:
14.997
Step-by-step explanation:
yea yeaaa i knowwww
If each of the numbers in the following data set were multiplied by 18, what
would be the new median of the data set?
14, 20, 18, 58, 71, 36, 28
what would be the new median of the data set ?
The answer is 28 or 504. My explanation....
ALRIGHT! So, it took me a little while to do it all.... since I wasn't really sure if it was already multiplied by 18 or not.
So the normal numbers in order from least to greatest,(because that's easier)
14, 18, 20, 28, 36, 58, 71.
The new numbers I multiplied by 18 are...
252, 324, 360, 504, 648, 1044, 1268.
When I put it like that you can clearly see the new median. 28 and 504!
can I have help pls
There is a picture inside the question pls help asap!!
Pls help rn i need help quickly
Answer:
800 mm^2
Step-by-step explanation:
(25+7)*(23+8) - 8*10 - 7*5 - 7*11
= 800 mm^2
10
Find the area of the semicircle.
Either enter an exact answer terms of ar or use 3.14 for at and enter your answer as a decimal.
units2
Answer: 39.25
========================================
Work Shown:
d = diameter = 10
r = radius = d/2 = 10/2 = 5
A = area of a full circle
A = pi*r^2 = 3.14*5^2 = 78.5
Cut this in half to get the area of a semicircle (aka half circle)
(78.5)/2 = 39.25
This result is approximate.
Incorrect
Question 6
VNIA.
The figure is a trapezoid. Solve for the measure of angle Hand the measure of angle K.
1
439
H
a
104°
K
76
measure of angle H =
measure of angle K = 137
Answer:
∠H = 137°
∠K = 76°
Step-by-step explanation:
The sum of the interior angles of a trapezoid = 360°
In a trapezoid, the angles on the same leg (called adjacent angles) are supplementary, meaning they add up to 180°
The legs are the non-parallel sides: JK and HI
Therefore, 104 + ∠K = 180
⇒ ∠K = 180 - 104 = 76°
And, ∠H + 43 = 180
⇒ ∠H = 180 - 43 = 137°
Sum of two adjacent angles in trapezium equals 180°
[tex]\\ \tt\hookrightarrow <H+43=180[/tex]
[tex]\\ \tt\hookrightarrow <H=180-43[/tex]
[tex]\\ \tt\hookrightarrow <H=137[/tex]
And
[tex]\\ \tt\hookrightarrow <K+104=180[/tex]
[tex]\\ \tt\hookrightarrow <K=180-104[/tex]
[tex]\\ \tt\hookrightarrow <K=76°[/tex]
4. Find the length of the hypotenuse of a triangle with the coordinates (1, —2), (1, 7), and (13, —2)
help pls brainliest gib
Answer:
answer attached
Step-by-step explanation:
answer attached
hope this helps!
Find the dimensions of a rectangle
having a perimeter of 38 meters
and an area of 84 square meters.
What is the length of the shorter side?
what is 4,357.25 rounded to the second decimal
what is 4,357.25 rounded to the second decimal
A:4,400
I need this answered ASAP. A baseball hit by
a player in the major leagues
can leave the bat at a speed
of 110 miles per hour.
Suppose a batter hits a ball
at that speed directly back
to the pitcher’s mound,
about 61 feet from home
plate. To the nearest tenth of
a second, how long does it
take the ball to reach the mound?
HELP ME FIND MIDPOINT
Answer: (-1/2, 0) which is the same as saying (-0.5, 0)
================================================
Explanation:
The x coordinates of A and B are -2 and 1 respectively.
Add up those values to get -2+1 = -1
Then cut that result in half: -1/2 = -0.5
This is the x coordinate of the midpoint.
--------
Repeat for the y coordinates:
Add: 1 + (-1) = 0
Cut in half: 0/2 = 0
The y coordinate of the midpoint is 0
-------
Overall, the midpoint is located at (-1/2, 0) which is the same as writing (-0.5, 0). This is where the segment AB crosses the x axis.
tell whether the sequence is arithmetic if it is what is the common difference?
19, 12, 5, -2
no
yes; 1/7
yes;7
yes;-7
Answer:
(d) yes; -7
Step-by-step explanation:
The differences between terms are ...
12 -19 = -7
5 -12 = -7
-2 -5 = -7
These are all the same, so this difference is "common". A sequence in which terms have a common difference is an arithmetic sequence.
This sequence is arithmetic, with a common difference of -7.
Find the value of x and y in parallelogram ABCD.
A) x = 13, y = 7
B) x = 15, y = 6
C) x = 1, y = 1
D) x = 6, y = 8
E) None of the answers are correct
Step-by-step explanation:
х-7=6 , х=13
2у-6=8 у= 7
А)
HELP PLEASE, IF YOU GET IT RIGHT YOU WILL RECEIVE BRAINIEST !!!!
Answer:
ok it is very hardest app
Need help!!!
Select the correct answer.
Which table represents a quadratic relationship?
The table which represents a quadratic relationship is in option [tex]D[/tex].
What is quadratic relationship ?A quadratic relationship is a mathematical relation between two variables that follows the form of a quadratic equation.
Quadratic sequence [tex]=an^2 +bn+c[/tex]
So, According to the definition mentioned above if table follows the form of a quadratic equation then it is in quadratic relationship.
So,
To find out quadratic relationship,
We will find first difference in every table and then second difference (Second difference is the difference between the first difference).
We have,
Table A;
[tex]\left \begin{array}{ccccc}x& \ &f(x)&First\ Difference & Second\ Difference \\-2& &4&2-4=-2\\-1& &2&1-2=-1&-1+2=1\\0& \ &1&0.5-1=-0.5&-0.5+1=0.5\\1& &0.5&0.25-0.5=-0.25&-0.25+0.5=0.25\\2& &0.25&0.125-0.25=-0.125\\3& &0.125\end{array}\right[/tex]
So, In the above table we can see that second difference is not equal that means it is not in quadratic relationship.
Now,
Let Table D;
[tex]\left \begin{array}{ccccc}x& \ &f(x)&First\ Difference & Second\ Difference \\-2& &-23.4&\\-1& &-23.2&-23.2+23.4=-0.2&0.2-0.2=0\\0& \ &-23&-23+23.2=-0.2&0.2-0.2=0\\1& &-22.8&-22.8+23=-0.2&0.2-0.2=0\\2& &-22.6&-22.6+22.8=-0.2\\3& &-22.4&-22.4+22.6=-0.2\end{array}\right[/tex]
So, here in this table, we can see that second difference is equal that means it is in quadratic relationship.
Hence, we can say that the table which represents a quadratic relationship is in option [tex]D[/tex].
To know more about quadratic relationship click here
https://brainly.com/question/17109031
#SPJ3
Amelia has $25 to spend on makeup this week she loves lipstick each lipstick tube cost $4 what is the maximum number of lipsticks that she can purchase
one step inequality word problems
Answer:
ok so x is how many she can buy so
4x≤25
x=6.26
so she can buy 6
Hope This Helps!!!