Answer:
x=2
Step-by-step explanation:
2x-5x+20=-7+3x+15
-3x+20=8+3x
20-8=3x+3x
12=6x
x=2
A number a is a root of P(x) if and only if the remainder, when dividing the polynomial by x+a, equals zero.
a. true
b. false
Answer:
Pretty Sure False.
Answer: false
Step-by-step explanation: a pex
Be my best frienddd Ill make BrainLess!
Which of the following organic compounds is the main source of energy for living things?
a.
carbohydrates
c.
nucleic acids
b.
lipids
d.
proteins
Answer:
A
Step-by-step explanation:
HOPE THIS HELPS :)
The difference of the squares of two positive consecutive even integers is 84. Find the integers.
Answer:
The two integers are 20 and 22.
Step-by-step explanation:
Let x be the first integer.
[tex](x+2)^{2}-x^{2} = 84\\x^{2} +4x+4-x^{2} = 84\\4x = 80\\x = 20[/tex]
Applying the difference of squares, and solving the equation, it is found that the numbers are 20 and 22.
----------------------
The two consecutive even integers are: n and n + 2.The difference of the squares is given by:[tex]D_s = (n+2)^2 - n^2[/tex]
Expanding the difference:
[tex]D_s = n^2 + 4n + 4 - n^2[/tex]
[tex]D_s = 4n + 4[/tex]
----------------------
The difference is 84, thus:
[tex]D_s = 84[/tex]
Now, we solve for n.
[tex]4n + 4 = 84[/tex]
[tex]4n = 80[/tex]
[tex]n = \frac{80}{4}[/tex]
[tex]n = 20[/tex]
----------------------
Thus, the numbers are: [tex]n = 20[/tex] and [tex]n + 2 = 20 + 2 = 22[/tex]
A similar problem is given at https://brainly.com/question/5453470
the sum of a number and 6 is no less than 31
Answer:
n + 6 > 31
Step-by-step explanation:
is 7.2 a rational number
Step-by-step explanation:
A decimal is a number that represents a fractional part of a whole. For example, the decimal 0.25 represents 25/100. Numbers with decimals are not integers because an integer is defined as a whole number with no fractional part.
Whoever can answer this correctly gets Brainliest + 20 Points! Make sure to explain to me how you got your answer so I can understand and be on the same page as you.
Answer:
1.
Step-by-step explanation:
both A and B are functions
divide nine by three, then subtract two double the results
Answer:
2
Step-by-step explanation:
hope this helps
Answer:
-3
Step-by-step explanation:
because nine divided by 3 is 3 then subtract 3 which is 0 then subtract 3 again which is -3
gil borrows $8000 for college expenses. he will pay a total of $2280 back in interest after 6 years. what was his interest rate
Answer:
R = 41.8129%/year
Equation:
r = (1/t)(A/P - 1)
Calculation:
Solving our equation:
r = (1/6)((8000/2280) - 1) = 0.41812865
r = 0.41812865
Converting r decimal to R a percentage
R = 0.41812865 * 100 = 41.8129%/year
The interest rate required to get a total amount, principal plus interest, of $8,000.00 from simple interest on a principal of $2,280.00 over 6 years is 41.8129% per year.
Step-by-step explanation:
Answer:
I believe it is 4.75 %
Step-by-step explanation:
2,280 × 100 = 228,000
228,000 / 8,000 = 28.5
28.5/6 = 4.75 %
I need help I don’t understand
Answer:
x=50
Step-by-step explanation:
A= 30+2x
B= x
Supplementary angles are angles that always add up to 180 degrees.
therefore, A + B=180 degrees
30 + 2x + x = 180: Now we solve
30 + 3x =180
subtract 30 from both sides
3x=150
divide by 3
3x/3 = 150/3
x= 50
Express 0.00419 in standard form
An animal shelter spends $3.00 per day to care for each cat and $5.00 per day to care for each dog. Penelope noticed that the shelter spent $69.00 caring for cats and dogs on Tuesday. Penelope found a record showing that there were a total of 17 cats and dogs on Tuesday. How many cats were at the shelter on Tuesday
Answer:
x=16
Step-by-step explanation:
198.8 grams ≈ ounces
Answer:
7.0124636 ounces
Step-by-step explanation:
Im really sorry if this is wrong but I think it's right
Please help!!
What is the maximum value of 3x + 5y in the feasible region?
(3, 7)
(0,7)
(6, 3)
(6, 0)
Answer:
Minimum value is 18
It occurs at P(6,0)
Step-by-step explanation:
The given objective function is
The vertices of the feasible region are .
We plug in the vertices in to feasible region and evaluate to obtain,
P(0,7) = 3(0) + 5(7)
P(0,7) = 0+35
P(0,7) = 35
P(3,7) = 3(3) + 5(7)
P(3,7) = 9+35
P(3,7) = 44
P(6,3) = 3(6) + 5(3)
P(6,3) = 15+15
P(6,3) = 33
P(6,0) = 3(6) + 5(0)
P(6,0) = 18+0
P(6,0) = 18
Guys quickly what is 1% of 75?
Answer:
the answer is 0.75
...................................
What number when multiplied by 113 has a product of 1
Answer:
3/4
Step-by-step explanation:
Answer:
1/13
Step-by-step explanation:
copied of that person
Answer this for brainest :)
Answer:
-11/36
Step-by-step explanation:
Answer:
-11/36
Step-by-step explanation:
(-1/3)^2 is equal to 1/9
5/6(-1/2) is equal to -5/12
Adding them, we get 1/9 - 5/12
With a common denominator, this is 4/36 - 15/36, which gives us an answer of -11/36
I would appreciate brainliest, have an amazing day!
69 answer this
420
69
420
do you want us to add, subtract, multiply, divide...what..?
Answer:
the answer is 420 666 6969
Step-by-step explanation:
PLEASE HELP!!
Enter numbers into the table so that the paired values are in a proportional relationship.
x 2 6 8 (?) 20
y (?) 3 4 6 10
fill the (?) in.
Answer: x is, 2 6 8 10 20-- i think
Step-by-step explanation: y is, 2 3 4 6 10
Answer:
ya he's rite
Step-by-step explanation:
A math teacher graded 45 problems in
3
5
of an hour. At that rate, how many problems can she grade in 1 hour?
Complete the statement.
Two integers that have an absolute value of 10 are...and...
I will give a brainlist
Answer:
10 and -10
Step-by-step explanation:
Absolute value is the distance of a number from 0. Absolute value must be positive because you can not a have a negative distance from 0. The two numbers that have a distance of 10 from 0 on the number line are 10 and -10.
Answer:
The symbol for absolute value is two vertical lines. Since opposites are the same distance from the origin, they have the same absolute value. For example, the absolute value of "negative 10" is ten, and the absolute value of "positive 10" is also 10.
Step-by-step explanation:
What is the value of x?
-5x – 2 = -13
Answer:
2.20
Step-by-step explanation:
So add +2 both sides that cancels 2 and that makes it -11.00 now divide it by -5 and x is by itself
So when you divide it x=2.20
Hope that helps
SOMEONE JUST GIVE ME THE ANSWER
Answer: I thought I saw options in the corner could you give me the options? And then I'll give my answer in the comment box;) no worries we'll figure it out!! :)
Step-by-step explanation:
Answer:
Area is 68x^2 the missing number by 3x is 5 and the missing number at the bottom is 4.
Step-by-step explanation:
Find the missing part of the triangle.
I have been stuck on this and don’t know what the answer is
Answer:
x= -1 or x= -11
Step-by-step explanation:
Answer:
i think its D. Im not fully sure
Step-by-step explanation:
4x^2-21x-18=0
Find the discriminate
a = 4, b = -21, c = -18
to keep from getting "mixed up", evaluate the discriminant first ...
b<sup>2</sup> - 4ac = (-21)<sup>2</sup> - 4(4)(-18) = 729
sqrt(729) = 27
x = (21 +/- 27)/8
x = -3/4, x = 6
since the discriminant is a perfect square, the original quadratic will factor ...
4x<sup>2</sup> - 21x - 18 = 0
(4x + 3)(x - 6) = 0
x = -3/4, x = 6
Answer:729
Step-by-step explanation: Use the values of a, b and c to find the discriminant. Which is 729
find the value of b (please help quick)
Answer:
B=6
Step-by-step explanation:
It is very simple.
FREE 100 POINT GIVEAWAY PLS READ DOWN BELOW TO ENTER(YOU CAN ENTER IN THE COMMENTS TOO)
I'm going to be doing two random question (you can only answer each once) and ill post the giveaway so you can get your points- if the answer box is full then u can answer in the comment section too this time you must get both question right;)
1. How many ounces are in a basic water bottle
2. Thinking of a letter H-N
Answer:
I think like 16.9 fluid ounces
K
Step-by-step explanation:
Answer:
<3
Step-by-step explanation:
In 91.72 which digit is in the tens place?
Answer:
9
ten's go for the number 10
91=9-1 9 in 90 so its 9.
so therefore your answer is 9
Step-by-step explanation:
The midpoint of AB is M(-6,1). If the coordinates of A are (-5,7), what are the
coordinates of B?
Answer:(7,-3)
Step-by-step explanation:
The length of each square on the grid represents 1 cm. The scale
from an actual rectangle to the drawing is 24 in. to 1 cm. Make a
new scale drawing where each centimeter represents 16 in.
Label the length and width of your drawing in centimeters.
Answer:
40.64 cm x 40.64 cm
Step-by-step explanation:
The directions say that 1 centimeter = 16 inches.
1 inch = 2.54 centimeters
Multiply by 16.
16 inches = 40.64 centimeters
We know each length of the square is 1 cm or 16 inches, according to the above.
(btw problem says rectangle, a square can be a rectangle.)