Answer:
$14
Step-by-step explanation:
30% -> 0.3
20 x 0.3 = 6
20 - 6 = 14
The new price of the shirt will be 14 dollars.
Hope this helps, have a nice day :D
$14
Step-by-step explanation:
30% × 20
= 30/100 × 20
= 600/100
= $6
The new price of the shirt :
$20 - $6
= $14
help i need to know what k is
Answer:
k = 5
Step-by-step explanation:
The formula for coefficient of proportionality is y = kx.
In the given problem, the Area of a rectangle corresponds to "y" in the constant of proportionality formula, and "x" is still the same. Since the formula for the area of a rectangle is: A = L × W, then:
A = y
L = k
W = x
y = kx is the same as A = LW or A = L × W
Thus, we're looking for the value for k, which corresponds to the length (L) (which has a constant value).
Below are the calculations for the missing values in the table:
We'll start with x = 0.14, and A = 0.7 since we're given the values for them. We could plug these values into the formula for the Area of a rectangle to find the constant value of the length (L):
A = L * W
0.7 = L * 0.14
Divide both sides by 0.14 to isolate L:
0.7/0.14 = (L * 0.14)/0.14
5 = L ←← Keep in mind, this is the coefficient of proportionality.
x = 3.1:
A = L * W
A = 5 * 3.1
A = 15.5
x = 2.5:
A = 5 * 2.5
A = 12.5
x = 1.2:
A = 5 * 1.2
A = 6
x = 0.9:
A = 5 * 0.9
A = 4.5
Next, we're given the values for the Area, but we're missing the values for x. However, we already have the value for L = 5. We could still follow the same process by plugging in the values into the formula:
A = 0.3:
A = L * W
0.3 = 5 * W
Divide both sides by 5 to solve for W:
[tex]\frac{0.3}{5} = \frac{5 * W}{5}[/tex]
0.06 = W
A = 0.1:
A = L * W
0.1 = 5 * W
Divide both sides by 5 to solve for W:
[tex]\frac{0.1}{5} = \frac{5 * W}{5}[/tex]
0.02 = W
Therefore, k = 5.
Answer Please!!
I will brainlist him/her
Step-by-step explanation:
please mark me as brainlest
Two cards are randomly drawn. (5 blue cards and 3 yellow cards) What is the probability of drawing two blue cards if the fist card is not included in the second draw? simlify your answer completely
Answer:
5/14
Step-by-step explanation:
The probability of drawing a particular coloured card is the number of cards that are that colour, divided by the total number of cards:
The probability of drawing a blue card on your first draw would be 5 out of (5 + 3) = 5/8
The next draw would be the same principle, but the denominator (bottom number of the fraction) would be 1 less, because you have just taken out 1 card on your first draw:
The probability of drawing a blue card on your second draw (after drawing a blue card first) would be 4 (since you have already taken one) out of (8 - 1) = 4 / 7
To find the probability of both these steps combined, you multiply the two fractions together:
5/8 x 4/7 = 20/56
The question asks you to simplify, which means that the final answer is 5/14
Hope this helps!
plz help will mark you as brainliest
(the one who answers the most gets brainliest) u don't have to answer all of them u can just answer 2 or 3
Answer:
41. s = semiperimeter
s = (a + b + c) /2
s = (120+170+250) /2
s = 270m
d is the correct option.
42. b is the correct option.
43. P = a + b + c
P = 120+170+250
P = 540m
a is the correct option.
44. A = √s((s-a)(s-b)(s-c))
=√270((270-120)(270-170)(270-250))
=9000m²
d is the correct option.
45. length of wire=P - space for gate
= 540 - 3
=537m
b is the correct option.
a train travels 24 miles in 30 minutes at this rate how many minutes will it take the train to travel 36 miles?
Answer:
45 minutes
Step-by-step explanation:
1/2 of 24 is 12
24 + 12 is 36
1/2 of 30 is 15
30 + 15 is 45
Answer:
The answer is 42
Step-by-step explanation:
36 miles minus 24 mil3s equals 12 so you plus 30 minutes 12 eq 42 minute.
1/3 + -7/4 as a fraction in simplest form
Answer:
-17/12 = -1 5/12
Step-by-step explanation:
1/3-7/4=
*find a common denominator
*multiply the first fraction times 4 and the second one times 3
4/12- 21/12
-17/14
The addition of the fractions is determined as [tex]\frac{1}{3}+\frac{-7}{4}=\frac{-17}{12}[/tex].
Given data:
To add the fractions 1/3 and -7/4, we need to find a common denominator. The least common multiple of 3 and 4 is 12. So, we will rewrite both fractions with a denominator of 12:
1/3 = (1/3) * (4/4) = 4/12
-7/4 = (-7/4) * (3/3) = -21/12
Now, we can add the fractions:
[tex]\frac{1}{3}+\frac{-7}{4}=\frac{4}{12}+\frac{-21}{12}[/tex]
[tex]= \frac{(4 - 21)}{12 }[/tex]
[tex]=\frac{ -17}{12}[/tex]
The result is [tex]\frac{ -17}{12}[/tex] . This fraction is already in its simplest form, meaning the numerator and denominator do not share any common factors other than 1.
In simpler terms, when we add 1/3 and -7/4, we first find a common denominator of 12. Then, we rewrite the fractions with that denominator and add them.
Hence, the fraction is [tex]\frac{ -17}{12}[/tex].
To learn more about fractions, refer:
https://brainly.com/question/29766013
#SPJ3
When would the median be the most effective way to describe a distribution?
-3x=x-(6-2x) explain how asap, please!!
The price of a video game is marked up by 35%. What is the new price of the game before the markup was 40$? (help <3)
Answer:
Solution :
Selling price (S.P) = (100 + m)% ⋅ C.P
Here,
M = 35, C.P =40$
Then,
S.P = (100 + 35)% ⋅ 40
S.P = 135% ⋅ 40
S.P = 1.35 ⋅ 40
S.P = 54
So, the selling price is $54.
Answer:
$54Step-by-step explanation:
Given:
Initial price = $40Mark up = 35%Find the mark up price:
$40 + 35% = $40 + 0.35*$40 = $40 + $14 =$54How do I find the value of X and Y
Answer:
x= -3.6
y= -2.8
Step-by-step explanation:
9x +17 =3x-5 ( interior angles are equal)
9x-3x +17= 3x-3x -5
6x+ 17+ 5= -5+5
6x/6= -22/6
x= -3.6
3x-5= 6y+1 ( vertical angles)
3(-3.6) -5 = 6y+ 1
-10.8 -5 -1= 6y +1 -1
-16.8 = 6y
-16.8/6 = 6y/6
y= -2.8
A map of Pennsylvania has a scale of ¾ inch to 25 miles. If Pittsburgh and Philadelphia are 9 inches apart on the map, how many miles apart are the two cities?
Answer: 225
Step-by-step explanation:
0.75 inch : 1 mile
Times either side by 12
9 inch : 225
If mLA = 15, then 3mLA = 45
Answer:
True
Step-by-step explanation:
brainliest plzzzz
I WILL GIVE BRANLISET
Answer:
y axis: (0, 12)
x axis: (18, 0)
Quadrant I: (4.5, 10.6)
Quadrant II: (-15, 21)
Quadrant III: (-3/4, -4 1/9)
Quadrant IV: (3, -7)
Step-by-step explanation:
Integers used for each Quadrant.
Quadrant one: x axis = positive, y axis = positive
Quadrant two: x axis = negative, y axis = positive
Quadrant three: x axis = negative, y axis = negative
Quadrant four: x axis = positive, y axis = negative
(0,12) = goes to the y axis
(3,-7) = goes to quadrant 4
(-15,21) = goes to quadrant 2
(18,0) = goes to the x axis
(4.5,10.6) = goes to quadrant 1
(-3/4, -4 1/9) = goes to quadrant 3
describe the relationship between a circle and a sphere
Answer:
A Circle is a two-dimensional figure whereas, a Sphere is a three-dimensional object. A circle has all points at the same distance from its centre along a plane, whereas in a sphere all the points are equidistant from the centre at any of the axes.
Cho 6x - x2
• Phân tích thành nhân tử
• Tìm x biết 6x - x2 = 0
Answer:
6x-x2 or 6x-2x haa??
6x-x2
=-5xpower2 ok
Can someone help me on this problem please? I'm not sure how to figure it out. Thank you! :P
Answer:
They are not similar because the shape and their numbers.
Step-by-step explanation:
Pls brainliest :/
I need help on this problem i dont know if the answer is: 16 or 48,but i dont know for sure so if my guess if wrong please tell me.**Thank you so much if you help me will make brain if you answer correctly!** =3
*no links!*
Answer:
16 ounces
Hope thi shleps
eats 54 nathan's hot dogs in 12 minutes. number of hot dog per minute rate of change
Answer:
4.5 hot dogs per minute
Step-by-step explanation:
rate of change=hot dog/minutes=54/12=4.5
Answer:
4.5 Hotdogs per Minute
Step-by-step explanation:
Rate of change is found by dividing the total amount of an object, in this case the hotdogs, by the amount of time.
We know that Nathan has 54 hotdogs and that he eats them in 12 minutes.
Therefore: [tex]\frac{54}{12}[/tex] is the rate of change.
This can be simplified to 4.5 as the rate of change.
I need help please :)
write y=3/8x-2 in standard form
Answer:
[tex]3x+8y=52[/tex]
Graph:
The machine broke open, and the quarters and half-dollars fell to the floor. The mysophobe grimaced but still retrieved them because there were 200 coins whose value was $75 How many of each kind were there?
Answer:
Interestingly, there would be 100 of each the half dollars and the quarters.
Step-by-step explanation:
100 quarters, each quarter being 1/4 of a dollar, 100x.25= 25. And 100 half dollars, 1/2 of a dollar, 100x.50=50
(6n4 − 39n3 + 50n2 − 18n − 35) ÷ (n − 5)
1) Factor [tex]6n^{4} -39n^{3} +50n^{2} -18n-35[/tex] using polynomial division.
[tex]\frac{(6n^{3}-9n^{2} +5n+7)(n-5) }{n-5}[/tex]
2) Cancel [tex]n-5[/tex].
[tex]6n^{3} -9n{2} +5n+7[/tex]
Can someone help me with this please?
3.Name a point labeled by a letter that is a solution to the system graphed below.
Answer:
C
Step-by-step explanation:
9. Write an equation in point-slope form for the line through the given point with the given slope.
(4, -6); m= 3/5
A. y + 6= 3/5(x - 4).
B. y - 4= 3/5(x + 6).
C. y - 6= 3/5(x + 4).
D. y + 6= 3/5x - 4
Answer:
C. y - 6= 3/5(x + 4).
Step-by-step explanation:
y
=
m
x
+
c
−
6
=
(
4
×
3
5
)
+
c
c
=
−
12
5
−
6
=
−
42
5
So:
y
=
3
5
x
−
42
5
The point slope form comes from the definition of slope as a measure of the change in
y
for a given change in
x
in passing from point 1 to point 2, i.e.:
slope
=
m
=
Δ
y
Δ
x
=
y
2
−
y
1
x
2
−
x
1
...........(1).
The only difference here is that you do not have 2 points but only one!
So you have: the value of
m
and the coordinates of one point, say, point 1. So we can write in (1):
3
5
=
y
−
(
−
6
)
x
−
4
where the coordinates of the other point are the unknown
x
,
y
.
You get rearranging:
y
+
6
=
3
5
(
x
−
4
)
y
+
6
=
3
5
x
−
12
5
y
=
3
5
x
−
12
5
−
6
y
=
3
5
x
−
42
5
If a circle has a circumference of 40.82cm what would the diameter be
Answer:
12.99
cm
this is the answer
if α and β are the zeros of p(x) = x² – 5x + 3, then find the value of α + β – αβ option (a)1, (b)2, (c)3, (d)5 please help
Step-by-step explanation:
if you follow me I will give your answer
Answer:
» (b) 2Step-by-step explanation:
Given equation :p(x) = x²-5x+3: α + β = sum of zeroes = −(coefficient of x) / (coefficient of x²) = -(-5) / 1 = 5/1 = 5
αβ = product of zeroes = (constant term) /(coefficient of x²) = 3/1 = 3So, → α + β – αβ ( α+β = 5 , αβ = 3 ) → 5 – 3 → 2
Given that ∠ ABD ≅∠ RQS and m DBC = 33, what is m ∠RQS?
Answer:
57°
Step-by-step explanation:
57°
∠ ABD =∠ RQS , ∠DBC = 33°
∠ ABD = 90° - 33° = 57°
∠ RQS = 57°
thank for t
he answer
Answer:
R
Step-by-step explanation:
Look at the X value, 3.5, and draw a line from 3.5 up on the X axis.
Look at the Y value, 2.5, and draw a horizontal line on the y axis. Your point is at R.
If u know please answer
Answer:
3.48 m
Step-by-step explanation:
Substitute x = 3 into f(x)
f(3) = 2.007 × [tex]\sqrt{3[/tex] ≈ 3.48 m ( to the nearest tenth )
Which are correct representations of the inequality –3(2x – 5) < 5(2 – x)? Select two options.
A) x < 5
B) –6x – 5 < 10 – x
C) –6x + 15 < 10 – 5x
D) A number line from negative 3 to 3 in increments of 1. An open circle is at 5 and a bold line starts at 5 and is pointing to the right.
E) A number line from negative 3 to 3 in increments of 1. An open circle is at negative 5 and a bold line starts at negative 5 and is pointing to the left.
Answer:
A and D
Step-by-step explanation:
[tex]-3\left(2x-5\right)<5\left(2-x\right)[/tex]
Use the distributive property: Multiply -3 by (2x-5), and 5 by (2-x):
[tex]-6x+15<10-5x[/tex]
Subtract 15 from both sides:
[tex]-6x+15-15<10-5x-15[/tex]
[tex]-6x<-5x-5[/tex]
Subtract -5x from both sides:
[tex]-6x+5x<-5x-5+5x[/tex]
[tex]-x<-5[/tex]
Multiply both sides by -1:
[tex]-x\times-1>-5\times -1[/tex]
[tex]x>5[/tex]
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