Calculate the discriminant of the quadratic equation.
Please I really need your help
Answer:
The discriminant of the quadratic equation is 0
Step-by-step explanation:
Here, we want to calculate the discriminant of the given quadratic equation
Mathematically, we have the discriminant calculated by the following formula;
D = b^2 - 4ac
where;
b represents the coefficient of x which is -2
a is the coefficient of x^2 which is 1/7
c is the last number which is 7
Substituting these values;
D = (-2)^2 -4(1/7)(7)
D = 4 - 4
D = 0
2. Find the value of n.
117°
3nº
Answer:
n = 39
Step-by-step explanation:
The base angles are congruent, that is
3n = 117 ( divide both sides by 3 )
n = 39
I need help it’s an iready plz help
Answer:
its the 2 bottom ones......
Write the linear equation in slope-intercept form given the following;
slope = 2 over 3 ' y-intercept = -1
Answer:
y=2/3x-1
Step-by-step explanation:
y=mx+b
slope 2/3
y-intercept -1
y=2/3x-1
Answer:
2=3x+-1y
Step-by-step explanation:
A worker has 25 feet of ribbon to make bows. Each bow uses 2 feet of ribbon. The worker divides 25 by 2 and gets 12.5 as an answer.
What does the worker's answer mean in this context?
A. The worker can make 12 bows and have 1 foot of ribbon left.
B. The worker can make 12 bows and have 5 feet of ribbon left.
C. The worker can make 5 bows and have 12 feet of ribbon left
D. The worker can make 1 bow and have 12 feet of ribbon left.
Answer: The answer is because 12 is how many bows the work made and 0.5 is 5 feet of the ribbon left.
Nate starts a lawn-mowing business. In his business, he has expenses and revenue. Nate's expenses are the cost of the lawn mower and gas, and his revenue is $25 per lawn
The question is incomplete. The complete question is :
Nate starts a lawn-mowing business. In his business, he has expenses and revenue. Nate's expenses are the cost of the lawn mower and gas, and his revenue is $25 per lawn. At what point will Nate's revenue exceed his expense?
Cost of lawn mower = $ 200
Cost of gasoline = $ 2 per lawn
Solution :
Given :
Cost of the lawn mower = $ 200
The cost of gasoline expense for one lawn = $ 2
The revenue generated for one lawn = $ 25
So let the number of lawn to be mowed = x
Therefore the total expenses = [tex]$200+2x$[/tex]
So, the total revenue = [tex]$25x$[/tex]
The point for which the revenue will exceed the total expenditure will be :
[tex]$25x \geq 200+2x$[/tex]
So at [tex]x=9, \ 225 > 218[/tex]
Thus the revenue exceeds the total expenditure after mowing 9 number of lawns.
Answer:
For part a and b of this question
Step-by-step explanation:
x= # of lawns cut y= total cost
revenue: y=25x
cost: y= -2x-200
He earns 25 per lawn, but loses $200 for his lawnmower and $2 per lawn.
b. y=25x y=-2x-200 y=25x
y=-2x-200 25x=-2x-200 y=25(-7.40)
27x= -200 y=-185
x=-7.40
I believe this is correct.
Choose the option that properly uses the distributive property for the following expression.
-1/3(6x+2)
A: 6x-2/3
B: 2x+2/3
C: -2x-2/3
D: -2x+2
[tex]\huge\text{Hey there!}[/tex]
[tex]\mathsf{-\dfrac{1}{3}(6x + 2)}\\\\\\\mathsf{DISTRIBUTE \ (-\dfrac{1}{3})\ within\ the\ PARENTHESES}\\\\\\\mathsf{= -\dfrac{1}{3}(6x)+-\dfrac{1}{3}(2)}\\\\\\\mathsf{-\dfrac{1}{3}(6x)=-2x}\\\\\\\mathsf{-\dfrac{1}{3}(2) = \dfrac{-2}{3}}\\\\\\\mathsf{= -2x + - \dfrac{-2}{3}}[/tex]
[tex]\boxed{\boxed{\mathsf{Answer: \bf -2x - \dfrac{2}{3}\ (Option\ C.)}}}\huge\checkmark[/tex]
[tex]\text{Good luck on your assignment and enjoy your day!}[/tex]
~[tex]\frak{Amphitrite1040:)}[/tex]
what is 42197.87 rounded to the nearst square centimenter
Answer:
42198 cm
Step-by-step explanation:
4. Halla el valor de x. *
(4 puntos
x + 15x + 24 = -21 - 4x
Answer:
x= -9/4
Step-by-step explanation:
1) Isolate X
2) This will give you x+15x+4x=-21-24
(moving terms to another side will make it opposite, in this case positive 24 moving to the right will become negative 24)
3) Add the like terms
x+15x+4x = 20x
-21-24= -45
this will give you 20x=-45
4)Find the value of X by moving the 20 multiplier to the other side (this will become the opposite, division of 20)
x= -45/20
5) Simplify your answer
= -9/4
12y+15=24-6y ??????????????????
Answer:y=1/2
Step-by-step explanation:
Can you please help me answer this
2-3/4K=1/8k+9
Find the measure of
Answer:
4
Step-by-step explanation:
Answer:
40
Step-by-step explanation:
ok we know there's 180 we have 110 and 30 which = 140 so 180-140=40
What is the product of (6)(-10)?
Answer:
The answer is -60.
Step-by-step explanation:
Since there are no other negative values, -60 is the answer.
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Hope it helps!
Fred’s car has run out of gasoline. He walks 15 km west and then 8 km south looking for a gasoline station.
If he is now h km directly from his starting point, find the value of h.
good ghjhhyuugxdtybv equals 23
Answer:
17
Step-by-step explanation:
A^2 + B^2 = C^2
Which of the following relations represents a function
((4,2), (8, 16), (7.9), (13,16)
((1, 2), (1,3), (1,4), (1,5)}
(0, 3), (4, 6), (7, 13), (4.9))
Answer:
The first set
A company sells confetti in boxes in the shape of a triangular pyramid. Each box contains 240 cubic centimeters of confetti. If the height of the box is 15 centimeters, which of the following could be the dimensions of the base of the box?
Answer:
Base, 8 cm; height, 4 cm i think
Step-by-step explanation:
How can you prove the triangles congruent below given the following
information. Given: segment PN and segment KQ bisect each other.
Answer:
i think is sas......i hope im not wrong
When solving the inequality y< -2x+1 by graphing , the solution region will be
Answer:
We want to find the solution region for:
y < -2*x + 1
To find the region, the steps are:
Write the inequality as an equation like:
y = -2*x + 1
Let's graph this line.
Because we have the symbol "<", the line will be a dashed line. This is because y is strictly smaller than the line, so the points of the line itself are not solutions.
And our inequality is:
y < -2*x + 1
So y is smaller than the line, then the shaded region is all the region below the line.
The graph of this inequality is shown below.
A rectangle has a length that is 4 times the width, w. If the perimeter of the rectangle has a perimeter of 40
feet, what is the length of the rectangle?
Answer: 16cm
Step-by-step explanation:
l = 4w
2l + 2w = p
2(4w) + 2w = 40
8w + 2w = 40
10w = 40
w = 4 cm
l = 4w = 4(4) = 16cm
nowwwwww
will name brainliest
which of these following graphs represent the following equations y= 2x pls help
Answer:
A
Step-by-step explanation:
its not c or b, they are both negative, and D is y=x, so A = y=2x because 2/1 is 2, the gradient
Which is bigger .24 or .71
Answer:
.71
Step-by-step explanation:
Add: 7 radical 8+ radical 50
Answer:
65
Step-by-step explanation:
Molly needs 2.5 yards of fabric to make a blanket. She has
different patterns that contain 2.5 feet of fabric. One yard is
equivalent to 3 feet. How many blankets can she make with
the given material?
Answer:
0 Blankets
Step-by-step explanation:
2.5 yards is 7.5ft, and Molly only has 2.5ft, so she can not make a blanket.
One of Emma's rabbits is chosen at random write down the probability that this rabbits is a female with short hair
Answer:
1/total number of rabbit in terms of gender and hair size
Step-by-step explanation: Snap Add?
Sample size is required to answer
1/total number of rabbit in terms of gender and hair size
A system of equations can be 2 equations that have the same variables. (TRUE or FALSE)
Answer:true
Step-by-step explanation: trust me
what's 875,098 to the nearest 100 rounded?
Answer:
the answer to the problem is 875,100
Answer:
875,100Step-by-step explanation:
When we round to a particular place, we will use a few simple rules.
First, let's highlight the place value we're rounding to.
875,098
Next, we look at the number behind the highlighted number, in this case the tens place. If the number is less than 5, the highlighted place value will stay the same. If the number is 5 or above, the highlighted place value increases by 1. In this case, we round 0 up to 1, since there was a 9 in the tens place. We then add zeros for the tens and ones place, since we rounded out of those.
ANSWER: 875,100
Please Help
In the 1951 science fiction movie classic The Thing from Another World, a group of scientists and soldiers discover a recently crashed alien spaceship buried under a few feet of ice near the North Pole. The party spreads out to determine the size and shape of the alien craft under the blurry ice with the following dialogue: "It's perfectly round...yep, we finally found one...a flying saucer." Assuming that each of the 10 person party is exactly 68 inches (5'8") tall, what would be the diameter of the saucer be in feet rounded to the nearest foot?
Please note that there is insufficient information required to complete this task. The calculation of the diameter of the saucer would have been possible if we were given the width of the 10-person party not their height.
What is the formula for calculating diameter?The formula for calculating the diameter of a circular object in relation to circumference is given as the Circumference of an object divided by Pi (π). That is
If the width of the men were given, and they had stood around the saucer as close to each other as they could, then the circumference of the saucer would have been estimated as:
10 * (width of the men). = 10X
Diameter becomes = 10X/π
Remember, the answer must be in feet.
Learn more about Diameter at:
https://brainly.com/question/977260
Find the gradient of the line segment between the points (-4,-5) and (2,-4).
Answer:
1/6
Step-by-step explanation:
The gradient of the line segment is the same as slope
m = (y2-y1)/(x2-x1)
= ( -4 - -5)/( 2 - -4)
= (-4+5)/( 2 +4)
1/6
Answer:
Step-by-step explanation:
Gradient = [tex]\frac{y_{2}-y_{1}}{x_{2}-x_{1}}\\[/tex]
[tex]=\frac{-4-[-5]}{2-[-4]}\\\\=\frac{-4+5}{2+4}\\\\=\frac{1}{6}[/tex]
PLS HELP! (it will only let me do 31 points :() but you get brainliest.
Explain how to determine the angle measurement for this angle.
Answer:
107, there is two lines after that so 108 109 and the last line is 110 so your answer will be 107 degrees.
Step-by-step explanation:
Answer:
[tex]\Large \boxed{\sf 107\°}[/tex]
Step-by-step explanation:
The line is in between 106° and 108° so it is 107°