Answers
Answer:
a = -40/3
Step-by-step explanation:
(7a - 4) = (4a - 44)
7a - 4 = 4a - 44
7a = 4a - 44 + 4
7a = 4a - 40
7a - 4a = - 40
3a = - 40
3a/3 = -40/3
a = -40/3 or -13.3333 repeating
Related Questions
please help me solve it
Answers
Answer:
2(a)=20t
Step-by-step explanation:
Mark me as brainliest
4x^2-21x-18=0
Find the discriminate
Answers
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
198.8 grams ≈ ounces
Answers
Answer:
7.0124636 ounces
Step-by-step explanation:
Im really sorry if this is wrong but I think it's right
1 1/4 hours is = how many minutes
Answers
Answer: 75 minutes
Step-by-step explanation:
Answer:
75 minutes
Step-by-step explanation:
1 hour= 60 minutes
1/4 of an hour= 25 minutes
1 1/4= 75 minutes
Hope this helped!
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.
Answers
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:
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.
Answers
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.)
I have been stuck on this and don’t know what the answer is
Answers
Answer:
x= -1 or x= -11
Step-by-step explanation:
Answer:
i think its D. Im not fully sure
Step-by-step explanation:
divide nine by three, then subtract two double the results
Answers
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
Work out the missing numbers
Answers
Answer:
A -19
B -35
C -180
D-9
Step-by-step explanation:
Answer:
1.= -19 2. -35 3. -180 4. -81
Step-by-step explanation:
Express 0.00419 in standard form
Answers
Aline that intersects two or more lines at different points
Answers
9514 1404 393
Answer:
transversal
Step-by-step explanation:
A line that crosses others in the same plane might be referred to as a transversal. The most common usage of this term is in cases where the crossed lines are parallel or nearly so.
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.
Answers
Answer:
1.
Step-by-step explanation:
both A and B are functions
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
Answers
Answer:
Pretty Sure False.
Answer: false
Step-by-step explanation: a pex
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
Answers
Answer:
I think like 16.9 fluid ounces
K
Step-by-step explanation:
Answer:
<3
Step-by-step explanation:
Help i need to past this test to get my permit
Answers
Answer:
See below for answers
Step-by-step explanation:
1st Problem:
Because the figure is a triangle, it's interior angles will add up to 180 always. Since it's a right triangle, we know one of the angles is 90, but we'll need to set up an equation to solve for x.
90+(2x-2)+(x+5)=180
2x-2+x+5=90
3x+3=90
3x=87
x=29
Therefore, B) 29, is the correct answer
2nd Problem:
Given side lengths of a, b, and c, if a+b<c, then it's a triangle. Since 8+8 is not less than 16, the sides do not make a triangle. The hypotenuse, c, must always be the longest length.
Therefore, A) Not a triangle, is the correct answer
3rd Problem:
To find angle x, we need the last interior angle of the triangle. Since the interior angles of a triangle add up to 180, we once again set up an equation to find the missing interior angle:
21+34+y=180
55+y=180
y=125
Since the missing interior angle is 125 degrees, it is supplementary to angle x, where supplementary angles add up to 180 degrees as well. So we would subtract 125 from 180 to get x. 180-125=55, so angle x is 55 degrees. Therefore, C) 55, is the correct answer.
4th Problem:
Again, use the Interior Angle Theorem to get x:
58+47+x=180
105+x=180
x=75
Therefore, A) 75, is the correct answer
5th Problem:
3,4,5 is a Pythagorean Triple, so it is a right triangle as 3^2+4^2=5^2. It is also scalene because none of the sides are equal to each other.
Therefore, B) Yes, scalene, is the correct answer
the sum of a number and 6 is no less than 31
Answers
Answer:
n + 6 > 31
Step-by-step explanation:
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
Answers
Answer:
x=16
Step-by-step explanation:
Find the missing part of the triangle.
Answers
69 answer this
420
69
420
Answers
do you want us to add, subtract, multiply, divide...what..?
Answer:
the answer is 420 666 6969
Step-by-step explanation:
Elena wants to make a scale drawing of her bedroom using the scale 4cm to 1m. If Wall A in the drawing is 10 cm long, what is the actual length? *
Answers
Answer:
2.5m
Step-by-step explanation:
Guys quickly what is 1% of 75?
Answers
Answer:
the answer is 0.75
...................................
I’m not sure I forgot how to do this
10) Your brother is 2 years older than you. Your mom is 3 years older than double your age. If you
combine all three of your ages, it adds to 73. How old are you guys?
Answers
Answer: Your 17, your brother is 19, and your mom is 37.
Step-by-step explanation:
17+2=19
17x2=34
34+3=37
17+19+37=73
What is the value of x?
-5x – 2 = -13
Answers
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
The difference of the squares of two positive consecutive even integers is 84. Find the integers.
Answers
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
Evaluate if x = 4 helppp
Answers
is 7.2 a rational number
Answers
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.
SOMEONE JUST GIVE ME THE ANSWER
Answers
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:
gil borrows $8000 for college expenses. he will pay a total of $2280 back in interest after 6 years. what was his interest rate
Answers
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 %
easy 25 points answer soon please
Answers
Answer:
10
Step-by-step explanation:
Use the elimination method to solve the system of equations. Choose the correct ordered pair.
3y = x - 1
x - 2y = 2
A. (10,4)
B. (4,1)
C. (6,2)
D. (12,5)