Answer:
A. 76
B. We will get two real solutions for the equation.
Step-by-step explanation:
A
For any quadratic equation ax²+bx+c=0, the discriminant is b²-4ac.
In 3x²-2x-6=0, a=3, b=-2 and c=-6:
b²-4ac
(-2)²-4(3)(-6)=4+72=76
B.
When the discriminate is positive we get two real solutions to the equation, when it's zero we get one real solution, and when it's negative we get two complex solutions. Since our discriminate, 76, is positive, we know that we will get two real solutions to 3x²-6=2x.
To make an international telephone call, you need a the code the country you are calling. The codes for the country A, country B, and C are three consecutive integers whose sum is 90 find the code for each county
Answer:
Let:
x = code for country A
This is important: "the codes are three consecutive integers" That means,
x is code for country A
(x+1) is code for country B
(x+2) is code for country C
whose sum is 81" means
x + (x+1) + (x+2) = 90
3x+3=90
=3x=90-3
=3x=87
=x=87/3
=x=29
So, the codes are=29,30,31
To check 29+30+31=90
A package of 4 pairs of insulated costs $24.76. What is the unit price of the pairs of ?
Plato!!! Please help ~_~
Type the correct answer in the box. If necessary, use / for the fraction bar.
A solid wooden block in the shape of a rectangular prism has a length, width, and height of 3/8 centimeter, 1/8 centimeter, and 5/8 centimeter,
respectively,
The volume of the block is (——)
cubic centimeter.
The number of cubic wooden blocks with a side length of 1/8 centimeter that can be cut
from the rectangular block is(—)
Answer goes in the (—)
Answer:
V = 3/8 * 1/8 * 5/8 cm^3 = 15 / 512 cm^3
Since all sides are evenly divisible by 1/8 and v = (1 / 8)^3 = 1 / 512 cm^3
N = V / v = (15 / 512) / (1 / 512) = 15 blocks
Example: cut 1/8 by 5/8 into 5 blocks
Cutting 1/8 by 5/8 could be done 3 times for a total of 15 blocj\ks
3/8 divided by 12 in simplest form
Answer:
1/32
Step-by-step explanation:
The sum of 12 and 30 multiplied by 6
Answer:
Step-by-step explanation:
12*30=360
360/6=60
someone help me pls
Answer:
y=1/2x + 3
Step-by-step explanation:
The first thing you need to know is that the slope of a perpendicular line is the opposite reciprocal of the other slope. Find the slope of this line, which is -2. The opposite reciprocal is 1/2. So, you know that the perpendicular line is equal to y=1/2x. Plug the x coordinate (4) in for x to have: y=1/2(4). Multiply 4 by 1/2 to get y=2. Since the y coordinate is supposed to equal 5, add 3 to y=2 to get 5. Since 3 is the amount we added, thats where the y intercept will be. Hope this helped!
Evaluate.
0.2^3÷0.4⋅60+3.6÷1.2
Enter your answer as a decimal
Answer:
what that's grade? ha
that's first year college
Which statement correctly describes the relationship between the graph of f(x) and the graph ofg(x)=f(x)−1 ?
The graph ofg(x)is the graph of f(x) translated 1 unit up.
The graph ofg(x)is the graph of f(x) translated 1 unit right.
The graph ofg(x)is the graph of f(x) translated 1 unit down.
The graph of g(x)is the graph of f(x) translated 1 unit left.
Answer:
C. The graph of g(x) is the graph of f(x) translated 1 unit down.Step-by-step explanation:
The relationship is the vertical shift of f(x) 1 unit down.
Correct choice is C
Answer:
The graph of g(x)is the graph of f(x) translated 1 unit down.
Step-by-step explanation:
y' = y - 1
please solve this question I give you brainliest answer
Answer:
6. 9^2+4x-1
7. 7x - 3 cm
8. -6x^2+3x-4
9. 4x+10y+4z
10 13x^2 - 2x
11. -5x^2 - 8x - 16
Step-by-step explanation:
6. (13x^2+x-3)-(4x2-3x-2) = 9x2+4x-1
7. x +4+2x+1+4x-8
= 7x-3 cm
8. (-8x^2 + 8x + 1) + (14x^2-11x+3)
10. (8x^2+x)-(-5x^2+3x)
11. (-x^2-6x+5) - (4x^2+2x+11)
less than a number
Х
A, 12-x
B. 12x
C. X + 12
D. X-12
Answer:
D) X-12
Step-by-step explanation:
imagine that X = 2 or any number less than 12
A) 12 - X = 12 - 2 = 10
B) 12X = 12 ×2 = 24
C) X + 12 = 2 + 12 = 14
D) X - 12 = 2 - 12 = -10
So, the smallest number is (D)
Hope it's help.
Brian made a proportional copy of a figure by multiplying each side line by 1/3 drag numbers to complete the table
Answer: Brittney made a proportional copy of a figure by multiplying each side length by 1/4. Drag numbers to complete the table
2
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Answer:
Step-by-step explanation:
Side Original length Copy length
a 4 1
b 6 1.5
c 20 5
d 16 4
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Answer:
a= 4 1
b= 6 1.5
c= 20 5
d= 16 4
Step-by-step explanation:
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Step-by-step explanation:
Evaluate. (a−2b)3 when a=−2 and b=−12
Step-by-step explanation:
(a−2b)
3
\{ - 2 - (2 \times - 12) \}{−2−(2×−12)}
\{ - 2 - ( - 24)\}{−2−(−24)}
\{ - 2 + 24 \}{−2+24}
2222
the required value is 22
The simplified value of (a−2b)³ is 10648.
What is equation?Equations are mathematical statements containing two algebraic expressions on both sides of an 'equal to (=)' sign.
Parts of an Equation
There are different parts of an equation which include coefficients, variables, operators, constants, terms, expressions, and an equal to sign. When we write an equation, it is mandatory to have an "=" sign, and terms on both sides. Both sides should be equal to each other. An equation doesn't need to have multiple terms on either of the sides, having variables, and operators.
given:
(a−2b)³
and, a=−2 and b=−12
Now, substituting the values
(a−2b)³
= ((-2)−2(-12))³
= (-2 + 24)³
= 22³
= 10648
Hence, the simplified value is 10648.
Learn more about equation here:
https://brainly.com/question/10413253
#SPJ2
Chalondra buys a dress that costs $28.00. She pays 5% sales tax. How much does she pay for the dress, with tax? A. $1.40 O B. $26.60 O C. $33.00 D. $29.40
Answer:
29.40
Step-by-step explanation:
5% of 28.00 is 1.40, so 28.00 + 1.40 =29.40
Answer:
D
Step-by-step explanation:
Help!! ASAP
Is relation below a function? If it is a function, state its domain.
{(0,3),(2,-3),(1,8),(2,3)}
A. The relation is not a function.
B. The relation is a function. The domain is {0,1,2}.
C. The relation is a function. The domain is {-3,3,8}
D. The relation is a function. The domain is {-3,0,1,2,3,8}
Answer:
A. The relation is not a function.
Step-by-step explanation:
Since 2 --> -3, and 2 --> 3, the relation is not a function.
PLEASE HELP ME
(Part 1) A line goes through the points (1, 6) and (–2, 8). Write the equation of the line in Point-Slope form. Show your work algebraically for full credit. Circle your answer
(Part 2) A line goes through the points (1, 6) and (–2, 8). Write the equation of the line in Slope-intercept form. Show your work algebraically for full credit. Hint: this is the same line as in #1. Circle your answer.
Answer:
48
Step-by-step explanation:
A step-by-step solution to 1/6 plus 2/8, with the answer in fraction form.Now we multiply 1 by 8, and get 8, then we multiply 6 by 8 and get 48.
The height of a building is 1383 feet. How long would it take for an object to fall from the top?
Answer:hope this helps
Step-by-step explanation:
What is 9(-7)?
I don't even know this
-63. Hope this helps!
Can have brainliest?
Answer:
-63
Step-by-step explanation:
If you know how to multiply it without the negative then you could take that answer and then put a negative at the beginning.
Which of the following Arrow Diagrams does NOT show a function? Justify your answer.
Answer:
Top right diagram.
Step-by-step explanation:
0 --> 1 and 0 --> -3. 0 is associated with two values, so it is not a function.
Which list orders –3, 2, 5, –1 from least to greatest?
–1, 2, –3, 5
–1, –3, 2, 5
–3, –1, 2, 5
5, 2, –1, –3
Answer:
--3,-1,2,5
all numbers from the left side are smaller than the those on the right
Answer:
-3,-1,2,5
Step-by-step explanation:
What is the volume?I don’t know what it is and I need help
Answer:
33.51
Step-by-step explanation:
π× r.... 3.142 ×2 = 6.284
180/6.284 =28.644
PLEASE HELP ITS MATH THANK YOUUUU
Answer:
sorry i don't know
Step-by-step explanation:
sorry
If odd natural numbers are less than 7, then they are prime numbers.
True or False?
What is the answer for number 5
Step-by-step explanation:
The answer is 3 pls mark me as brainliest
a line parallel to the graph of 3x+2y=6 and contains the point (6,-3)
solve the inequality
Mr. and Mrs. Sung stayed at a bed-and-breakfast for
two nights while on vacation. Their final bill for the
room including sales tax was $364.61. If they were
charged 10.3% tax on the room, how many dollars per
night did the room cost before tax?
Answer:
163.53
Step-by-step explanation:
if you divide 364.61 multiply by the tax...37.55483....then that minus the number...327.05517....then you divide by two...163.527585...rounded 163.53
what is the midpoint between (-1, 1) and (5, -5)
three quarters the product two number x and y
Answer:
0.75*(x)*(y)
Step-by-step explanation:
HELP
Linear function t has an x-intercept of −1 and a y-intercept of 5. Which graph best represents t?
A) Graph A
B) Graph B
C) Graph C
D) Graph D
The graph D has a x-intercept = −1 and y-intercept = 5
How to determine the graph?The given parameters are:
x-intercept = −1
y-intercept = 5
The above means that the graph crosses the x-axis at -1, and it crosses the y-axis at -5
From the list of options, the graph that satisfies the above highlights is graph D
Hence, the graph D has a x-intercept = −1 and y-intercept = 5
Read more about linear graphs at:
https://brainly.com/question/14323743
Write the equation of a line that
goes through the points (4,4) and
(-1,9).
Answer:
y+2 = (-1/2)(x-3)
Step-by-step explanation: