Answer:
Here's a link that I found that was helpful to me: http://www.biology.arizona.edu/biomath/tutorials/quadratic/roots.html#:~:text=Roots%20are%20also%20called%20x%2Dintercepts%20or%20zeros.&text=The%20roots%20of%20a%20function,%2B%20bx%20%2B%20c%20%3D%200.
Step-by-step explanation:
a woman sold an article for 400.00and made a profit of 25%,Find ty cost price and profit
Answer:
$100 profit, $300 cost
Step-by-step explanation:
So 25% of $400 is $100, now we know she made $100 on the article
and the other $300 was the amount used to make the article i'm asuming
A woman sold an article for 400.00
made a profit of 25%
Cost price and profit is $100 profit, $300 cost.
What are the 4 types of profit?There are four levels of profit or profit margins: gross profit, operating profit, pre-tax profit, and net profit.
These are reflected on a company's income statement in the following sequence: A company takes in sales revenue, then pays direct costs of the product of service.
What is profit and example?Profit is a term that often describes the financial gain a business receives when revenue surpasses costs and expenses. For example, a child at a lemonade stand spends one quarter to create one cup of lemonade. She then sells the drink for $2. Her profit on the cup of lemonade amounts to $1.75.
To learn more about Profit, refer
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Find the unknown angle ( please help)
Answer:
15) 30°
16) 49.5°
Step-by-step explanation:
15) We solve using the Trigonometric function of Sine
sin θ = Opposite/Hypotenuse
Opposite = 12
Hypotenuse = 24
sinθ = 12/24
θ = arc sin(12/24)
= 30°
Approximately = 30°
16)We solve using the Trigonometric function of Cosine
cos θ = Adjacent/Hypotenuse
Adjacent = 13
Hypotenuse = 20
cos θ = 13/20
θ = arc cos (13/20)
= 49.458398126°
Approximately = 49.5°
Asystem of equations has 1 solution. If 4x - y = 5 is one of the equations, which could be the other equation?
O y = 4x + 5
O y = 4x - 5
O 2y = 8x - 10
O-2y = -8x - 10
In ΔIJK, k = 730 inches, j = 700 inches and ∠J=44°. Find all possible values of ∠K, to the nearest degree.
I
J
K
j = 700
k = 730
44°
?°
\frac{\sin A}{a}=\frac{\sin B}{b}
a
sinA
=
b
sinB
From the reference sheet (reciprocal version).
\frac{\sin K}{730}=\frac{\sin 44}{700}
730
sinK
=
700
sin44
Plug in values.
\sin K=\frac{730\sin 44}{700}\approx 0.7244294
sinK=
700
730sin44
≈0.7244294
Evaluate.
K=\sin^{-1}(0.7244294)\approx 46.42\approx 46^{\circ}
K=sin
−1
(0.7244294)≈46.42≈46
∘
Inverse sine and round.
\text{Quadrant II: } 180-46=134^{\circ}
Quadrant II: 180−46=134
∘
Sine is positive in quadrants 1 and 2.
\text{Check for possibility:}
Check for possibility:
No triangle's angles may add to more than 180.
44+46=90^{\circ}\leftarrow \text{Possible}
44+46=90
∘
←Possible
Less than 180.
44+134=178^{\circ}\leftarrow \text{Possible}
44+134=178
∘
←Possible
Less than 180.
\text{Answer: }46^{\circ}\text{ and } 134^{\circ}
!!!
Answer: 46
and 134
!!!
yw-Delta math
Answer:
46 and 134 degrees
Step-by-step explanation:
Answer:
46
and 134
Step-by-step explanation:
kek
PLEASE HELP !! 36 POINTS
Answer:
Hope this helps you. look it once.
Given the information below, is (DB) ⃡ tangent to Circle A at point B? Justify with shown work.
Integers Multiple Choice Read the word problem and circle the corresponding expression. 1. Jaimie withdrew $25 from his TFSA (Tax-Free Savings Account), 4 times. Which expression shows the change in his savings account?
a) (-25)(4)
b) (-25)(-4)
c) −25 4
d) 25 4 2.
Answer:
a) (-25)(4)
Step-by-step explanation:
To evaluate an algebraic expression means to find the value of the expression when the variable is replaced by a given number. To evaluate an expression, we substitute the given number for the variable in the expression and then simplify the expression using the order of operations. In this case,
withdrew means no longer there which means subtracted.
Then, times mean multiply.
Therefore, -minus twenty-five times (x) four
combine them and it equals (-25)(4)
plzzzz I’m stuck help?
HELPPP! I’ll mark Brainliest (NO joke answers)
Answer:
3) -3 < x < 5
Step-by-step explanation:
g(x) is the y coordinate, so it is when y is more than 0, here, y is >0 when x is from -3 to 5, so option 3
what is the circumference of the circle r = 4 ft
Answer:
25.13 ft
Step-by-step explanation:
To find the circumference of a circle we use the formula
2πr
We plug in the radius of the circle 4 and solve to get 25.13
Answer:
25.13
circumference= pi x diameter
HELPP QUICK NO BOTS I WILL REPORT BUT HELP QUICK PLSS What is the slope-intercept equation of the line below?
y-intercept = (0,2)
slope = -1
Answer:
y= -x+2
Step-by-step explanation:
just plug that equation in to see for yourself
What is 4x^2-3x^3+2x+12
Answer:
I believe the answer is 3
ITS URGENT
Find the missing length of the triangle.
Four people have measured the height of a wall using different methods. Their results are shown in the table. Order their measurements from least to greatest
The height of the wall from the least to the greatest is : [tex]\frac{5}{2}[/tex], 2.6, 1 + √3 , √8
In order to order the numbers from the least to the greatest, all the measurements have to be in the same form.
Currently, there are not so they would need to be changed to the same form.
I would change all numbers to decimals
√8 = 2.83
5/2 = 2.5
2.6
1 + √3 = 1 + 1.73 = 2.73
Now that all the numbers are in decimal, they can now be ordered
[tex]\frac{5}{2}[/tex], 2.6, 1 + √3 , √8
A similar question was solved here: https://brainly.com/question/4897278?referrer=searchResults
Solve the system of equations.
5y - 4x = -7
2y + 4x = 14
X =
Y =
Answer:
5y + 2y - 4x + 4x = -7 +14
7y = 7
y = 1
2(1) + 4x = 14
4x = 12
x = 3
Step-by-step explanation:
Using the process of elimination
Add both equations. The 4x will be eliminated since one is positive and one is negative. The equation is left with only the y variable and the constant.
When y is found, input it into the second equation to find x.
Ryan buys some jumpers to sell on a stall.
He spends £160 buying 80 jumpers.
He sells 75% of the jumpers for £10 each.
He then puts the rest of the jumpers on a Buy one get one half price offer.
He manages to sell half the remaining jumpers using this offer.
How much profit does Ryan make?
Answer:
£540
Step-by-step explanation:
I worked it out let me know if you want me to upload a picture of my workings
what is 654,984 × 548,784,844 × 99,999 ?
Answer:
3.594417e+19
Step-by-step explanation:
A point charge Q moves on the x-axis in the positive direction with a speed of 280 m/s. A point P is on the y-axis at y = +70 mm. The magnetic field produced at the point P, as the charge moves through the origin, is equal to -0.30 μT . What is the charge Q? (μ0 = 4π × 10-7 T ? m/A)
A) -53 μC
B) +53 μC
C) -39 μC
D) +39 μC
E) +26 μC
c
Step-by-step explanation:
Find the area of the figure 7ft 5ft 12ft 14ft
The equation of a line L is 2x-3y = 6
Find the equation of the line which is parallel to L and passes through the point (6,9)
The slope of the lines remains the same. Then the equation of the parallel line that is passing through the point (6, 9) is 2x - 3y + 15 = 0.
What is the linear system?A Linear system is a system in which the degree of the variable in the equation is one. It may contain one, two, or more than two variables.
The equation of a line L is 2x-3y = 6
The slope of the line is 2/3.
Then the equation of the line which is parallel to L and passes through the point (6,9) will be
The slope of the lines remains the same. Then the equation of the line will be
[tex]\rm y = \dfrac{2}{3}x + c[/tex]
Then the line is passing through (6, 9), then we have
[tex]\rm 9= \dfrac{2}{3}(6) + c\\\\c = 5[/tex]
Then the equation of the parallel line will be
[tex]\begin{aligned} y &= \dfrac{2}{3}x + 5\\\\2x - 3y &=-15 \end{aligned}[/tex]
More about the linear system link is given below.
https://brainly.com/question/20379472
Translate the sentence into an equation.
Four times the sum of a number and 6 equals 9.
Use the variable c for the unknown number.
Answer:
4c + 6 = 9
I hope this helps
Graph a circle with a center of (3,0) and a diameter of 10. Find the area of the circle both in terms of and to the nearest tenth. Use 3.14 for. Show all work.
you do in your copy what types of teacher teach you
The radius of a circle is 10 inches. What is the angle measure of an arc bounding a sector with area 10π square inches?
Answer:
Step-by-step explanation:
hello :
the arc length formula is : s = 2πr(θ/360°)
given : area : s = 10 , radius : r = 10
2(3.14)(10)(θ/360°)=10 solve for : θ
2(3.14)(θ/360°)=1
θ = 360°/6.28
θ = 57°.32
HELP ITS URGENT PLS I GIVE POINTS
Answer:
each base angle is 70°
Step-by-step explanation:
this is an isosceles triangle because two sides are equal which means two angles are equal
the left, right base angle is also 'x'
so, x + x + 40 = 180
2x = 140
x = 70
Find any irrational number between
5,25 and 5,26.
Answer:
it could be any combination of numbers there isn't an exact number but i put a number as an example....
Step-by-step explanation:
5.2516543245678765435678...
One of the irrational number between 5.25 and 5.26 is 5.252266789065.....
What are irrational numbers?Irrational numbers are the set of real numbers that cannot be expressed in the form of a fraction, p/q where p and q are integers. The denominator q is not equal to zero (q ≠ 0). Also, the decimal expansion of an irrational number is neither terminating nor repeating.
The given decimal numbers are 5.25 and 5.26.
As we know, irrational numbers are non-terminating and non-recurring.
Then the irrational numbers between 5.25 and 5.26 are
5.252266789065....., 5.25365784826789...., 5.2579882645...... and so on.
Therefore, one of the irrational number between 5.25 and 5.26 is 5.252266789065.....
To learn more about the irrational numbers visit:
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school x and school y play eachother in a competition school x has eight more points than school y school x has three times as many points as school y. how many points does each school have?
Answer:
3y+8=x
Step-by-step explanation:
School X School Y
y+8=x
3y=x
3y+8=x
What is the value of s?
C
units
5
B
8
15
А.
D
Answer:
S= 17
Step-by-step explanation:
Δ ABD is a right angle
[tex]S^{2} =8^{2}+15^{2}[/tex]
[tex]S=\sqrt{8^{2}+15^{2} }[/tex]
[tex]S=\sqrt{64+225} =\sqrt{289}[/tex]
[tex]S=17[/tex]
hope it helps...
have a great day!!
what is the area and circumference for 5cm?
Answer:
A = 78.54 cm^2
C = 31.42 cm
Step-by-step explanation:
A = πr^2
A = π (5cm)^2
A = 25π cm^2
A = 78.54 cm^2
C = 2πr
C = 2π(5cm)
C = 10π cm
C = 31.42 cm
Please mark brainliest if this helped
Please mark brainliest if this helped
7. A scatter plot was created to show the relationship
between the number of staff members and students
at various schools. The scatter plot's trend line has an
equation of y = 0.1x + 18, where y is the total number
of staff members and x is the total number of
students.
Use the equation to predict the number of students in
a school with 120 staff members.
A. 1,038 students
B. 30 students
C. 890 students
D. 1,020 students
Answer:
1020 students
Step-by-step explanation:
Given the trend line equation :
y = 0.1x + 18,
where y is the total number of staff members and x is the total number of students.
Using the equation, the predicted number of students in a school with 120 staffs ;
y = 120
y = 0.1x + 18
120 = 0.1x + 18
120 - 18 = 0.1x
102 = 0.1x
x = 102 / 0.1
= 1020 students
What is the perimeter of a sandbox that measures 5 feet by 6 feet?
Answer:
22 feet
Step-by-step explanation:
6+5+6+5
= 11+11
= 22