Please post full question
Subtract 4x2 – 7x +6 from 2x2 – 5x – 4. Express as a trinomial
Answer: -2x²+2x-10
Step-by-step explanation:
Rephrase the expression
Subtract 4x²-7x+6 from 2x²-5x-4
(2x²-5x-4)-(4x²-7x+6)
Expand parenthesis
2x²-5x-4-4x²+7x-6
Put like terms together
(2x²-4x²)+(7x-5x)-(4+6)
Combine like terms
-2x²+2x-10
Hope this helps!! :)
Please let me know if you have any questions
if one burger cost $60 what will 15 burgers cost
Answer:
60 • 15 = $900
Step-by-step explanation:
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Frank invests $1,000 in simple interest investment account that pays 8% a year. After a number of years, he withdraws his balance of $2,200. Using the formula I = P r t, how many years was his money invested? Work backwards-but find the Interest first!
Answer:
15 years
Step-by-step explanation:
Given data
P=$1,000
R=8%
A= $2200
I= A-P
I=2200-1000
I=$1200
Applying the formula
I=PRT/100
1200=1000*8*T/100
cross multiply
1200*100= 8000T
120000= 8000T
divide both sides by 8000
T=120000/8000
T=15 years
Hence the time is 15 years
One card is selected from a deck of cards. Find the probability of selecting a black card or a king.
Answer:
30/52
Step-by-step explanation:
please I am struggling really bad help me
what is the solution to 2x+10=28
Answer:
x=9
Step-by-step explanation:
2x + 10 =28 <---- subtract by 10
2x = 18 < divide by 2
x = 9
GOOD AT MATH!! PLEASE HELPPP
Answer:
B. 5
Step-by-step explanation:
Use the pythagorean theorem to solve: [tex]a^{2}[/tex]+[tex]b^{2}[/tex]=[tex]c^{2}[/tex].
[tex]a^{2}[/tex]+[tex]12^{2}[/tex]=[tex]13^{2}[/tex]
[tex]a^{2}[/tex]+144=169
Subtract 144 from 169.
[tex]a^{2}[/tex]-144=169-144
[tex]a^{2}[/tex]=25
Square root to get a.
[tex]\sqrt{a}[/tex]=[tex]\sqrt{25}[/tex]
a= 5
Mr. And Mrs. Jenkins wanted to make a down payment of $25,000 on a house. If the house costs $125,000, what percent is this?
Answer:
20%
Step-by-step explanation:
Mr. And Mrs. Jenkins wanted to make a down payment of $25,000 on a house. If the house costs $125,000, what percent is this?
The Percentage of the down payment is given as:
Down payment/Cost of the house × 100
Down payment = $25,000
Cost of the house = $125,000
$25,000/$125,000 × 100
= 20%
The percentage is 20%
17.) An ostrich can run 174 feet in 3 seconds. What is the slope of the line and what does it
represent?
Write an algebraic expression for each situation for 22 divided by s
Answer:
s/22? i think thats one way
Step-by-step explanation:
Solve the equation
x+4=3(3x-4)
Answer:
x = 2
Step-by-step explanation:
Help ASAP please Ahhhhh
Answer:its A
Step-by-step explanation:
Answer:
Your answer would be A. Your welcome
You have purchased a 30-pound case of lemons that has a count size of 96. About how many ounces would each lemon weigh?
Answer:
I think it would be 3.2 ounces because 96 divided by 30 is 3.2
Step-by-step explanation:
Find the area...
HURRY!!!!!
Answer: 38
Step-by-step explanation:
Lucy uses a code to open a lock.
The code is a letter followed by a 2-digit number.
The letter is L or U.
The number is a prime number between 20 and 30
Write down all the possibilities for Lucy's code.
Answer:
L23
L29
U23
U29
Step-by-step explanation:
We have two elements for the code:
Letter: The options are L and U.
Number: A prime number between 20 and 30, the options here are:
23, 29 (These are the only two prime numbers between 20 and 30)
Then the possible combinations are:
L23
L29
U23
U29
Two triangular pyramids have slant heights of 8 inches and 11 inches. What is the ratio of the surface area of the small pyramid to the surface area of the large pyramid?
Group of answer choices
Answer:8:11
Step-by-step explanation:if it’s a ratio it would be 8 to 11 but for the to it would be a ratio operation and equals :
The segments in each figure are tangent to the circle at the points shown.
Find each length.
9514 1404 393
Answer:
RS = RT = 2
Step-by-step explanation:
The two tangents from a point are the same length.
RS = RT
y = y^2/2
y^2/2 -y = 0
y(y/2 -1) = 0 . . . . factor out y
Values of y that make these factors zero are ...
y = 0 . . . . . . . . true if points R, S, T are coincident on the circle
y/2 -1 = 0 ⇒ y = 2
Then the segment lengths are ...
RS = RT = 2
whats does espanol mean
Answer:
Spanish.
Step-by-step explanation:
It is the language Spanish but the word is in spanish hahahahahah.
Factor the expression
12x^2 +7x+1
Answer:
[tex]\boxed{\textsf{ The factorised form is \textbf{(4x+1)(3x+1)}.}}[/tex]
Step-by-step explanation:
A quadratic polynomial is given to us and we need to find its factorised form . The given quadratic polynomial is ,
[tex]\sf\implies p(x)= 12x^2+7x+1[/tex]
And this equation is similar to the equation in ax² + bx + c form . So in order to factorise it .
Step 1: Multiply the coefficient of x² with the constant term .
Here the coefficient of x² is 12 and the constant term is 1 . So on multiplying them we get 12*1= 12 .
Step 2: Look out for the possible factors of the number .
Here the obtained number is 12 . So the possible factors of 12 is
1 *12-1*-122*6-2*-64*3-4*-3Step3: Choose the factor whose sum is equal to the coefficient of the middle term .
Here we can see that the middle term is 7 . And the sum of 4 and 3 is equal to 7 . Hence here we will break 7x as 4x + 3x .
Step 4: After proper arrangements take out the common term and then factorise.
After suitable rearrangment we get ,
[tex]\sf\implies p(x)= 12x^2+4x+3x+1 \\\\\sf\implies p(x)= 4x(3x+1)+1(3x+1) \\\\\implies\boxed{\red{\sf p(x)= (4x+1)(3x+1)}}[/tex]
What is an equation of the line formed when the line y = 2x + 4 is reflected over the line y = x?
Answer:
its b
Step-by-step explanation:
In ΔSTU, the measure of ∠U=90°, TS = 41, UT = 9, and SU = 40. What is the value of the sine of ∠S to the nearest hundredth?
Answer:
Step-by-step explanation:
sinS = 9/41 ≅ 0.22°
Sally is 4 years older than Brody. Evelyn is 3 times older than Brody. If Brody's age is represented by x, create an expression that represents the total age of all three people.
A.4x+4
B. 5x
C.5x+4
D.7x
Answer:
Its C. 5x +4
Step-by-step explanation:
The expression that represents the total age of all three people is f(x) = 5x + 4.
What is a mathematical function, equation and expression?function : In mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y. The set X is called the domain of the function and the set Y is called the codomain of the function.expression : A mathematical expression is made up of terms (constants and variables) separated by mathematical operators.equation : A mathematical equation is used to equate two expressions.Given is that Sally who is 4 years older than Brody. Evelyn is 3 times older than Brody.
Assume that Brody's age is represented by [x]. Then, the age of Evelyn will be (3x) and the age of Sally would be (x + 4). The expression that represents the total age of all three people is -
f(x) = x + (x + 4) + 3x = 5x + 4
f(x) = 5x + 4
Therefore, the expression that represents the total age of all three people is f(x) = 5x + 4.
To solve more questions on functions, expressions and polynomials, visit the link below -
brainly.com/question/17421223
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A leaf fell into a river and traveled 140 meters in 4 minutes
How many meters did the leaf travel per minute?
Answer:
35 meters per minute
Step-by-step explanation:
140 meters/4 minutes = 35 meters/minute
Answer:
35 meters per minute
Step-by-step explanation:
140÷4=35
35 meters per minute
Evaluate 2x + 4 if x=5. Please help me I will give your 5 stars !!!
Answer:
14
Step-by-step explanation:
2(5)+4
10+4
14
Answer:
2x + 4
x = 5
2(5) + 4
10 + 4
14
Answer is 14.
Step-by-step explanation:
Just substitute 5 for x :)
factorise 343m^3 + 27n^3
answer:m3+27n3
Step-by-step explanation:
Rewrite
27
n
3
as
(
3
n
)
3
.
m
3
+
(
3
n
)
3
Since both terms are perfect cubes, factor using the sum of cubes formula,
a
3
+
b
3
=
(
a
+
b
)
(
a
2
−
a
b
+
b
2
)
where
a
=
m
and
b
=
3
n
.
Hope it helps ☺️☺️☺️
Two supplementary angles that are 4x and 5x what is the value of x
Answer:
x = 20
Step-by-step explanation:
4x + 5x = 9x
9x = 180 (supplementary angles add up to 180 degrees)
Divide 180/9 = 20
Answer:
x = 20.
Step-by-step explanation:
Supplementary angles sum to 180, so:
4x + 5x = 180
9x = 180
x = 20.
Q1 - Understanding simultaneous equations
Solve these simultaneous equations.
4 pillows and 5 quilts cost $57
9 pillows and 5 quilts cost $72
Find the cost of one of each.
4p + 59 = 57
9p + 59 = 72
P =
and q =
3 apple pies and 5 banoffee cost $28
3 apple pies and 7 banoffee cost $38
Find the cost of one of each.
3a + 5b = 28
3a + 2b = 38
a =
C
and b =
6 mugs and 3 plates cost $21
3 mugs and 3 plates cost $15
Write down and solve simultaneous
equations (m is the cost of a mug and
p is the cost of a plate, in $).
cal
m =
and p =
[
0
how many solutions does 4x+1=3x+2
one solution
no solution
infinitely many solutions
Answer:
one solution
Step-by-step explanation:
If you simplify the equation, it becomes 1x+1=2. Then you subtract the 1 from 2 and get 1x=1. Therefore, x=1 which is ONE SOLUTION.
I need help..........
Answer:
[C] 3 ⅔Explanation:
5 ⅓ - 1 ⅔
= 3 ⅔
PLease HELLLPPPPP I NEED HELP
Answer: I don’t know...... sorry
Step-by-step explanation: