Answers
Answer:
23.42 ft is the perimeter of the hole that should be cut in the wall.
Related Questions
Brandon took a 50-question exam worth a total of 160 points. There were x two-point questions and y five-point questions. How many of each type of question were on the exam?
Answers
Answer:
35 2-point questions, and 15 5-point questions
Assume x 2-points question, so 50-x 5-points question
Total no of points: 2*x+5*(50-x)=145 points
2x+250-5x=145
-3x=-105
x=-105/-3=35 2-points questions
Remaining 50-35=15 5-points questions
ok so i really hope this helped and if it didn't then sorry
There are 30 two-point questions and 20 five-point questions.
What is equation?
In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.
According to questions, Brandon took a 50-question exam worth a total of 160 points.
There were x two-point questions and y five-point questions.
So,[tex]y=50-x[/tex]
Now, according to question, we will get the following equations
[tex]2x+5(50-x)=160[/tex]
⇒[tex]2x+250-5x=160[/tex]
⇒[tex]-3x=-90[/tex]
⇒[tex]x=30[/tex]
[tex]y=50-30\\[/tex]
⇒[tex]y=20[/tex]
Hence, we can conclude that there are are [tex]30[/tex] two-point questions and [tex]20[/tex] five-point questions.
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-X + 5+ 4x
simplify the expression
Answers
Answer:
3x+5
Step-by-step explanation:
combine like terms, and get 3x+5
Matrix A has 2 rows and 3 columns whereas matrix B has3 rows and 2 column
Can AB be multiplied? Can BA be multiplied? Give the reason
Answers
Step-by-step explanation:
for any matrix multiplication number of columns of first matrix should be equal to number of rows of second matrix.
For AB
A has 3 columns and B has 3 rows so it matches . Hence can be multiplied.
For BA
B has 2 columns and A has 2 rows it also matches so can be multiplied
if a chocolate cake is divided into six equal and each has 280 calories, how many calories are in the whole cake
Answers
Answer:
1680
Step-by-step explanation:
280 x 6 = 1680
slope and y-intercept of the graph of 25x -20y =100
Answers
Step-by-step explanation:
First, we need to put this standard form into slope-intercept form
To do this you need to move the "y" to all by itself
-25x+25x-20y=100-25x
-20y=100-25x
y=5/4x-5
Answer:
y=5/4x-5
The slope is-5/4 and the -intercept is (0,5)
How to find the slop?
Locating the y-intercept on a graph requires knowing the value of y at x=0. This is where the graph intersects the y-axis.
25x−20y=100
20y = 100 + 25x
20y=100+25x
y = [tex]5 + \frac{5}{4}[/tex]
She concluded that the slope is [tex]\frac{5}{4}[/tex]
and the y-intercept is (0,5).
y = mx + b where m is the slope and b is the y-intercept. So, the slope is 5/4 and the y-intercept is -5.
The slope is-5/4 and the -intercept is (0,5)
Finding the value of y at x=0 will allow you to locate the y-intercept on a graph. The graph's intersection with the y-axis occurs here.To learn more about slop refer to:
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Combine the following expressions. 2√k + √k - 3√k
Answers
Answer:
The answer is zero
Step-by-step explanation:
[tex]2 \sqrt{k} + \sqrt{k} - 3 \sqrt{k} = 3 \sqrt{k} - 3 \sqrt{k} = 0[/tex]
ANSWER THIS PLZZZZZZ!!!!!
Answers
Answer:
b
Step-by-step explanation:
Answer:
you were right, the answer is
D) the time spend reading book and the number of pages remaining to be read in the book.
simplify (12a5 − 6a − 10a3) − (10a − 2a5 − 14a4)
Answers
Answer: 14a^5+14a^4-10a^3-16a
Step-by-step explanation: sorry if it confusing but ^3 as an example is supposed to be the mini number that goes on top of that number.
-hope this helps
What is the slope? ???????
Answers
Answer:
1/2
Step-by-step explanation:
Help!!!!!
Not all will de used.
Match the expression with their simplified forms.
Answers
Answer:
1/2 go to 80
2 check 5 will go to 2 check 8
4 will go to 5/20
5 check 3 will go to 20
Step-by-step explanation:
In trapezoid TRAP, the parallel bases are TP and RA
Is UV the midline of trapezoid TRAP? Why or why not?
Use the Trapezoid Midline Theorem that states the properties of
the midline of a trapezoid to justify your answer.
Answers
9514 1404 393
Answer:
UV is not the midline. (The midline length is 4.5.)
Step-by-step explanation:
The trapezoid midline is the average of the lengths of the bases. Here, the midline length would be ...
(7 ft +2 ft)/2 = (9 ft)/2 = 4.5 ft
The line length shown is 3.5 ft, so the segment shown is not the midline.
0.5 is 2.5% of what number?
Answers
Answer:
The number is : 20
Step-by-step explanation:
Thanks alot
Answer:
the number is = 20
Step-by-step explanation:
good bye
HELP ME ASAP PLEASE!!!
Answers
Answer:
51
Step-by-step explanation:
5x+6=9x-30
5x=9x-36
4x=36
x= 9
5×9+6=51
(ONLY TWO CAPITAL LETTERS) PLEASE ANSWER CORRECTLY!!!!!! WILL MARK BRIANLIEST!!!!!!!! URGENT
Answers
need help on question 14 here, if multiple people respond i will give the first responder brainiest
Answers
Answer:
x = 3
y = 2
Step-by-step explanation:
5x - 3 = 6y
5x + 3 = 9y
y = 5/6 x - 1/2
5x + 3 = 15/2 x - 9/2
-5/2 x + 15/2 = 0
-5/2 (x - 3) = 0
x = 3
Answer:
x = 3
y = 2
Step-by-step explanation:
because it's a rectangle, opposite sides are equal
AD = BC
AB = DC
so we can use their measures to create a system of equations:
5x + 3 = 9y
5x - 3 = 6y
if we multiply the first equation by -1 we can eliminate the x-values:
-(5x + 3 = 9y)
-5x - 3 = -9y
+ 5x - 3 = 6y
-6 = -3y
y = 2
If y = 2 then BC = 12 and we can set up this equation:
12 = 5x - 3
15 = 5x
3 = x
I’m going insane about math whoever created math I am glad is dead anyway help
Answers
Answer and Step-by-step explanation:
Since we know that this figure is a square pyramid, the base is a square. And the area of a square is its side multiplied by its side, which the sides would equal the same (since it is a square).
So, we square 625 to find One side of the square.
[tex]\sqrt{625} = 25[/tex]
We get 25 as the side.
The volume equation for a square pyramid is:
[tex]V = a^{2}( \frac{h}{3} )[/tex]
Where a is the side length of the base, and h is the height.
Plug in the values.
[tex]V = (25)^{2} (\frac{30}{3} )\\\\V = 625(10)\\\\V = 6250[/tex]
The volume of the square pyramid is 6250 cubic meters.
#teamtrees #WAP (Water And Plant)
parallelogram RCEP∼parallelogram DGSW Drag the answers into the boxes to match each part of parallelogram RCEP with the corresponding part of parallelogram DGSW .
Answers
Answer:
E--S
EP--SW
R--D
CE--GS
Step-by-step explanation:
you just match them, out of the 4 letters, ce were in the middle of the two for parrallelogram RCEP, so we se the two middle letters DGSW, which is GS.
now apply this mechanism to all of the letters side by side.
hope this helps!
5x-2y=4
6x+2y=18 PLS HELP FAST
Answers
6x + 2y = 18 ....................... (2)
(2) + (1):
5x - 2y = 4 .................... (1)
+) 6x + 2y = 18 .................. (2)
———————————————
11x + 0y = 22
11x = 22
x = 22/11
x = 2
Sub x = 2 into (1):
5(2) - 2y = 4
10 - 2y = 4
-2y = 4 - 10
-2y = -6
y = -6/-2
y = 3
write an equation that is in slope-intercept form for the line that passes through the pair of points: (4, -2) and (8, -6)
Answers
Answer:
Step-by-step explanation:
4-8 -2- -6
4^2 8^2
16+64
80
8.9
6 5/8 −3 2/9 ≈
HELP ME PLEASE
Answers
Answer:
3 29/81
Step-by-step explanation:
6 5/8-3 2/9
6 45/81-3 16/81
3 29/81
Answer:
3 29/72
Step-by-step explanation:
6 5/8 − 3 2/9 = 3 29/72
Hope this helps!
(If right, pls put brainlist)
What is the answer??? This is for geometry by the way.
Answers
Answer:
3
Step-by-step explanation:
Centroid theorem states that AX/AE = 2/3
Substitute in and XE = 3
Magdala is modeling 2.12÷4 how to cheeks change the place value blocks so she can make 4 equal shares
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Answer and explanation:
If Magdala is trying to divide 2.12 by 4 then she would definitely need to change the place value of the dividend(2.12) and the divisor(4). In other words, both numbers need to be whole numbers.
To make 2.12 a whole number, we shift the decimal point two places to the right of the decimal point to get 212. We do same for 4 to get 400, since both numbers have to have their place values adjusted equally.
We divide 212 by 400 to get 0.53
Therefore 2.12 divided by 4= 0.53
An airplane company is determining the difference in selling price if rows of first-class seats are added to a new design. Using the average selling price of $1,000 per first-class seat, the total selling price for one new row is
f(r) = 4,000r. Each row in first class eliminates two rows of economy seats. Using the average selling price of $150 per economy seat, the total price for each pair of removed rows is e(r) = 1,800r.
Which is d(r), the profit or loss for adding r rows of first class seats?
A. d(r) = 2,200r
B. d(r) = 5,800r
C. d(r) = –2,200r
D. d(r) = –5,800r
Answers
Step-by-step explanation:
From the original question, we can rewrite this as:
An airplane company is determining the difference in selling price if rows of first-class seats are added to a new design. The total selling price for one new row is f(r) = 4,000r. Each row in first class eliminates a pair of rows of economy seats. The total price for each pair of removed rows is e(r) = 1,800r. Which is d(r), the profit or loss for adding r rows of first class seats?
f(r) = 4000r
e(r) = 1800r
d(r) = ? (profit or loss)
Assuming we had added a row of first class seats,
+ f(r) = 4000r
But we had to remove a pair or rows from the economy seats,
- e(r) = 1800r
Translating these into one equation:
d(r) = f(r) - e(r) = 4000r - 1800r = 2200r
Therefore, OPTION A.) d(r) = 2200r
The value of d(r) will be 2200r. The correct option is A.
What is an expression?Expression in maths is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.
Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.
Assuming we had added a row of first-class seats,
+ f(r) = 4000r
But we had to remove a pair or rows from the economy seats,
- e(r) = 1800r
Translating these into one equation:
d(r) = f(r) - e(r) = 4000r - 1800r = 2200r
Therefore, the value of d(r) will be 2200r. The correct option is A.
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Can someone please help me?
Answers
_Answer:
y=4x+3
Step-by-step explanation:
File Is Attached To The Question
Answers
Answer:
3.05x(output for x)39.65Step-by-step explanation:
to understand thisyou need to know about:functionPEMDASlet's solve:according to the question
the function is
f(x)=3.05x(first answer)
let's justify
f(1)=3.05×1
=3.05
LIKEWISE
f(3)=3.05×3
=9.15
therefore
it is the function
answer for the second question
f(13)=3.05×13
=39.65
Find the exact value of x.
Answers
Answer:
by using Pythagoras law
x²=30²+16²
x²=1156
x=√1156=34is the exact value of x
What is (f + g)(x)?
f(x) = -3x^2
g(x) = -5x + 4
Answers
Answer:
x=4 and y= 2/3
Step-by-step explanation:
g(x)= -5x+4
g(0)= -5(0)+4
=4
(0,4)
then you find x
1(x)= -5x+4
x= -5x+4
x+5x = 4
6x ÷ 6 =4÷6
x = 2/3 or ⅔
In ΔEFG, the measure of ∠G=90°, GE = 32 feet, and EF = 41 feet. Find the measure of ∠E to the nearest tenth of a degree.
Answers
Answer:
m∠E = 38.7°
Step-by-step explanation:
If you make a drawing it will help. What you have is a right triangle where you are given the adjacent side to ∠E and the hypotenuse.
The cosine of a angle = adjacent side/hypotenuse.
Therefore cos E = 32/41
arccos (32/41) = 38.7°
Answer:
The answer is 38.7
Step-by-step explanation:
How many of these figures have at least one vertex?
Answers
Answer:
2
Step-by-step explanation:
Vertex means point where three edges meet . Two middle figures have vertices
You go to a restaurant and order $137.61 worth of food. You decide to tip the waiter
18%. You also have to pay a tax of 6.5% on the original bill. What is the final cost of the meal?
Step by Step
Answers
Answer:
I got 2
Step-by-step explanation:
The final cost of meal is $171.35
What is unitary method?The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.
Given:
price of food = $137 . 61
Tip = 18%
tax = 6.5%
Now, price after giving tip
=137.61 x 0.18
= 24.7698
and, after tax
=137.61 x 0.065
=8.94465
Hence, final cost of meal = 137.61 + 24.7698 + 8.94465 = $171.35
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