Answer:
−6x^2 −26x +60
Step-by-step explanation:
Simplify the equation.
Which of the following are solutions to the equation below?
Check all that apply.
4x2 + 12x + 9 = 25
V5-3
O A. x=
16.
O B. x= -1
Answer:
see below
B.
Step-by-step explanation:
Answer:
Step-by-step explanation:
1 and -4
Solve for y.
2y2- 15y + 13 = 0
Write each solution as an integer, proper fraction, or improper fraction in simplest form. If
there are multiple solutions, separate them with commas.
Submit
Step-by-step explanation:
use sum and product method
Which expression is equivalent to 5(4x + 3)
Hey there!
5(4x + 3)
DISTRIBUTE 5 WITHIN the PARENTHESES
= 5(4x) + 5(3)
WEIRD WAY TO SIMPLIFYING MULTIPLICATION
= 5x + 5x + 5x + 5x + 5 + 5 + 5
= 10x + 10x + 10 + 5
= 20x + 15
Therefore, your answer is: 20x + 15
Good luck on your assignment & enjoy your day!
~Amphitrite1040:)
I need help with this question
Answer:
It's the second answer, hope this helps!
Daniel wants to buy Nike sneakers that cost $90.00 . he saved 25% of the money needed to purchase it . How much money does Daniel have ?
90-22.5=67.5
He has $67.5
What is the equation that can be used to find a percent of a number?
Answer:
Percent · Base = Amount.
Step-by-step explanation:
Use n for the unknown (percent).
Divide to undo the multiplication of n times 72.
Move the decimal point two places to the right to write the decimal as a percent.
Hope this helps!(:
Answer:
part = percent • whole
Step-by-step explanation:
A flag is 152 centimeters long.
How long would the flag measure in meters?
Enter your answer in the box.
The length of the flag measure in meters is,
⇒ 1.52 meters
What is Measurement unit?A measurement unit is a standard quality used to express a physical quantity. Also it refers to the comparison between the unknown quantity with the known quantity.
We have to given that;
A flag is 152 centimeters long.
Now,
We know that;
1 centimeters = 1/100 meters
Hence, We get;
The length of the flag measure in meters is,
⇒ 152 centimeters
⇒ 152/100 meters
⇒ 1.52 meters
Thus, The length of the flag measure in meters is,
⇒ 1.52 meters
Learn more about the measurement unit visit:
https://brainly.com/question/777464
#SPJ7
Sameera predicted that she would sell 38 blankets, but she actually sold 28 blankets. Which expression would find the percent error? Use the table below to help answer the question.
Percent Error
Item
Approximate value
Exact value
Error
Absolute error
Ratio
Percent error
Blankets
38
28
10
10
StartFraction 10 over 38 EndFraction (100)
StartFraction 10 over 28 EndFraction
StartFraction 10 over 28 EndFraction (100)
StartFraction 10 over 38 EndFraction
Answer:
i think it would be percent error
she was off by 35.7143%
a
Step-by-step explanation:
hope this helps if im correct please can i have brainly
Which statement describes the solution to this system of equations?
2x−4y=8
8x−16y=32
Select the statement that correctly describes the solution to this system of linear equations.
A
There is no solution.
B
There are infinitely many solutions.
C
There is exactly one solution at (8, –4).
D
There is exactly one solution at (2, –16).
please help 8th grade math giving brainlist
Answer:
Hope this helps! Try using the desmos graphing calculator. It is good for those problems.
Step-by-step explanation:
Find the value of y and find m∠C and m∠D in the triangle given below.
y =
m∠C =
m∠D
Answer:
Step-by-step explanation:
Um monumento na cidade de São Paulo, foi construído seguindo a forma de um tronco de pirâmide de bases quadradas. Seu volume é de 21000 m³ e sua altura é de 30 m. Sabendo que sua base maior tem aresta medindo 40 m, calcule a medida da aresta da sua base menor.
Responda:
15cm
Explicação passo a passo:
Volume de uma pirâmide = Área da Base × Altura / 3
Dado
Volume = 2100m³
Altura da pirâmide = 30m
Vamos obter a área base primeiro, substituindo o valor dado na fórmula.
2100 = B (30) / 3
2100 = 30B / 3
2100 = 10B
10B = 2100
Divida os dois lados por 10
10B / 10 = 2100/10
B = 210cm²
Como a base é um quadrado
área da base quadrada = 210cm²
L² = 210
L = √210
L = 14,49cm
C ≈ 15cm
Portanto, a medida da borda de sua menor base é de aproximadamente 15 cm
Factoring
16x^5+20x^4-12x^3+24x^2
Hope this helps This is easy
20 points
Select the correct answer.
Solve the following equation by completing the square.
A.
B.
C.
D.
Answer:
x = 2 + sqrt(2) or x = 2 - sqrt(2) thus B. is your answer
Step-by-step explanation:
Solve for x over the real numbers:
4 x^2 - 16 x + 8 = 0
Hint: | Write the quadratic equation in standard form.
Divide both sides by 4:
x^2 - 4 x + 2 = 0
Hint: | Solve the quadratic equation by completing the square.
Subtract 2 from both sides:
x^2 - 4 x = -2
Hint: | Take one half of the coefficient of x and square it, then add it to both sides.
Add 4 to both sides:
x^2 - 4 x + 4 = 2
Hint: | Factor the left-hand side.
Write the left-hand side as a square:
(x - 2)^2 = 2
Hint: | Eliminate the exponent on the left-hand side.
Take the square root of both sides:
x - 2 = sqrt(2) or x - 2 = -sqrt(2)
Hint: | Look at the first equation: Solve for x.
Add 2 to both sides:
x = 2 + sqrt(2) or x - 2 = -sqrt(2)
Hint: | Look at the second equation: Solve for x.
Add 2 to both sides:
Answer: x = 2 + sqrt(2) or x = 2 - sqrt(2)
Answer:
B
Step-by-step explanation:
Rachel is building a fence around her yard. She wants to create a square area that will have an area of 150 m. If the fencing has been cut into 1m lengths, how much fencing will Rachel need?
Answer:
Rachel will need 49 meters of fencing.
Step-by-step explanation:
From Geometry we know that area of the square ([tex]A[/tex]), measured in square meters, is represented by the following formula:
[tex]A = l^{2}[/tex] (Eq. 1)
Where [tex]l[/tex] is the side length of the square, measured in meters.
The length of the square is now cleared:
[tex]l = \sqrt{A}[/tex]
If we know that [tex]A = 150\,m^{2}[/tex], then the side length is:
[tex]l =\sqrt{150\,m^{2}}[/tex]
[tex]l \approx 12.247\,m[/tex]
The total amount of fencing is equal to the perimeter of the square ([tex]p[/tex]), measured in meters, that is:
[tex]p = 4\cdot l[/tex] (Eq. 2)
If we know that [tex]l = 12.247\,m[/tex], then the perimeter of the square is:
[tex]p = 4\cdot (12.247\,m)[/tex]
[tex]p = 48.988\,m[/tex]
As fencing is cut into 1-m lengths, we need to round this number up to the nearest integer. That is:
[tex]p = 49\,m[/tex]
Rachel will need 49 meters of fencing.
A square and an equilateral triangle have the same perimeter. Each side of the triangle is 3 inches longer than each side of the square. What is the perimeter of the square?
ASAP I ONLY HAVE 15 MINUTES
Answer:
36 inches
Step-by-step explanation:
Q = length of the sqaure
T = length of the triangle
Equation 1: 4Q = 3T
Equation 2: T = 3+Q;
Then, subsitute T=3+Q into equation 1:
4Q = 3(3+Q)
4Q = 9 + 3Q
Q = 9
-----
Each side of the square is 9 inches, so the perimeter will be 9X4 = 36inches
Solve for missing angle
Hello!! Your answer would be 55''. If the other side is the same length, the this side is 55'' too.
Hope this helps!
Answer:
135!!!
Step-by-step explanation:
Please help..... TvT
Answer:
1/3 -- 33.3%
37/100 -- 0.37
1/4 -- 25%
19/50 -- 30%
3/20 -- 15%
Step-by-step explanation:
Pls answer i will mark u brainlist
Hello!
75,000 - 10% of 75,000
= 75,000 -(10*75,000)/100
= 75,000 -7,5 => 67,500
67,500 - 10% of 67,500
= 67,500- ( 10*67,500)/100
=67,500 - 6,75 = 60,750
60,750 -10% of 60,750
= 60,750-( 10*60,750)/100
= 60,750 - 6,075 => 54,675
1
1
15. Ratan bought 2 - m of iron wire and 3.
4
3
of copper wire.
a) What is the total length of wires he
bought?
b) How much more copper wire than
iron wire did he buy?
can u send me the question once more correctly so that I can help u
My username is Ayaan707.
^_^
Answer:
Total length of wire bought = 2 1/4 + 3 1/3
=9/4 + 10/3
=9*3/4*3 + 10*4/3*4 (LCM)
= 27/12 + 40/12
=67/12= 5 7/12metre is the answer
Ayaan707 avatar
difference btw copper and iron wire = 40/12 - 27/12
=13/12= 1 1/12 metre of copper wire
Step-by-step explanation:
HOPE IT HELPS , JENNY
+2+1+6 this is confusing what is the answer and explanation
Answer:
9
Step-by-step explanation:
hi I'm pretty sure this is really wrong but just kinda guessing
+2 is just a positive 2 so it's just known as 2
2+1+6 = 9
Answer: 9
Step-by-step explanation:because if its 2+1+6 then u get 2 and 6 add thats 8 then your 1 and its 9.
please help me fast !!!!!
Answer:
2nd option
Step-by-step explanation:
the exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.
121.8° is an exterior angle of the lower triangle , then
∠ 2 + 17.3° = 121.8° ( subtract 17.3° from both sides )
∠ 2 = 104.5°
------------------------------------
∠ 2 is an exterior angle of the upper triangle , then
∠ 1 + 37.1° = 104.5° ( subtract 37.1° from both sides )
∠ 1 = 67.4°
find the missing side length ( find ?)
Answer: 35
Step-by-step explanation:
Describe how matter exists in three common states - solids, liquids and gases. Describe each by a
set of distinguishing properties.
Help me solve this problem please
Answer:
3 is not a Zero of the Function
Answer:
C
Step-by-step explanation:
[tex]24 + 42 - 5[/tex]
whats the answer.
Answer:
61
Step-by-step explanation:
dumb questions
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Please help me ASAP!
Answer:
10
Step-by-step explanation:
2x+46+3x-6 = 90
5x + 40 = 90
5x = 50
x =10
Prove that the difference between a two-digit number and the product of its digits will always be a 2 digit number.
Solution:
Let's take the greatest two-digit number as an example.
=> 99Proving...
99 - (9 x 9) = Two-digit number=> 99 - 81 = Two-digit number=> 18 = Two-digit numberSince the difference between the greatest two-digit number and the product of its digits is a two-digit number, the difference between the other two-digit numbers '10, 11, 12.... 97, 98' and the product of its digits will always be a two-digit number, as the product of its digit is less than the two-digit number.
Hence proved. ✔✔
Step-by-step explanation:
Let the two-digit number is [tex]xy[/tex]
This can be written as:
10x + y, where 1 ≤ x ≤ 9 and 0 ≤ y ≤ 9The difference between the number and product of its digits is:
d = 10x + y - xyRewrite this as below:
d = 10x - xy + y - 10 + 10 =
x(10 - y) - (10 - y) + 10 =
(x - 1)(10 - y) + 10
We see that:
0 ≤ x - 1 ≤ 8 according to the condition given above1 ≤ 10 - y ≤ 10 again according to the condition given aboveThe value of d is then:
0 + 10 ≤ d ≤ 8*10 + 1010 ≤ d ≤ 90ProvedPlease help I don’t understand this problem!
the second one √72= 8.48 and the square root of √83=9.11 pi^2 = 9.86
when you put this in order by the decimal you get
8.48, 8.7, 9.11, 9.25, 9.86 which is really √72, 8.7, √83, 9.25, pi^2
87.125 is it rational or irrational? Explain how.
Answer:
87.125 is rational
Step-by-step explanation:
it is a rational number because it can be represented as a fraction