Answer:
100/250*100= 40%
Step-by-step explanation:
40%
Step-by-step explanation:2 1/2m = 250 cm
250cm .............100%
100cm ..................x%
x = 100cmx100%/250 cm
= 10000%/250
= 40%
which ordered pair represent a function
Answer:
The first set of ordered pairs is a function, because no two ordered pairs have the same first coordinates with different second coordinates. The second example is not a function, because it contains the ordered pairs (1,2) and (1,5).
Hope this helps you with your question.
Evaluate the expression for the given value of x. 3.5x − 3.5 for x = 3
PLEASE HELP!!!
Find the measure of c. A. 100 B. 10 C. 140 D. 280
Answer:
C. 140
Step-by-step explanation:
C = 1/2 ( 360° - 80°)
c = 1/2 * 280°
c = 140°
A chord subtends an angle 120° at the centre of the circle of radius 3.5cm. Find the perimeter of the minor sector.[r=22/7]
Answer:
Step-by-step explanation:as we know that arc length is
s=r*∅
as given angle in degree so convert it in radian we get
angle=2.09 rad
r=3.5 cm
hence we get
s=3.5*2.09 =7.315 cm
perimeter of sector = s +d where d=2*r=2*3.5=7 cm
perimeter of sector=7.315+7=14.315 cm
if you like it then hit the stars and tag it a brain-list
This is my homework and the last question confuses me,it's a simple sequence but I don't understand, could anybody help me out?
Answer:
already in order
Step-by-step explanation:
.00001, .0002, .003, .04, .5
Answer:
1^-5=1 2^-4 =6 3^-3=9 4^-2=8 5^-1=5
Step-by-step explanation:
All u have to do is focus on the negative sign!
-12 divided by 3 times (-8 + (-4) squared -6) +2 please help
Answer:
Step-by-step explanation:
[tex]\frac{-12}{3} (-8+(-4)^{2} -6)+2[/tex]
-4(-8+16-6)+2
-4(2)+2
-8+2
-6
Please answer this quick
Answer:
x = 18
∠A = 83
Step-by-step explanation:
Since you have a line intersecting two parallel lines, the angles formed from the intersection will be equal to 180. This means that you can add up the two angle measures and set them equal to 180.
(6x - 35) + (3x + 53) = 180
6x - 35 + 3x + 53 = 180
9x + 18 = 180
(9x + 18) - 18 = 180 - 18
9x = 162
x = 18
Now to solve for ∠A, plug in the x-value and solve.
∠A = 6x - 35
∠A = 6(18) - 35
∠A = 118 - 35
∠A = 83
A can takes 20 minutes to cover a distance of
15 km calcolate its speed in km/hr
1 hour = 60 minutes.
20 minutes / 60 minutes = 1/3 of an hour.
20 minutes x 3 = 60 minutes = 1 hour
15 km in 20 minutes x 3 = 45 km per hour
Speed = 45 km/hr.
Answer:
[tex]\huge\boxed{v = 45\ km/hr}[/tex]
Step-by-step explanation:
Given:
Time = t = 20 mins = 20/60 = 0.33 hrs
Distance = S = 15 km
Required:
Speed = v = ?
Formula:
v = S/t
Solution:
v = 15 / 0.33
v = 45 km/hr
A rice cooker costs $3m. A kettle is $35 cheaper. Find the cost of the kettle.
(Give your answer in terms of m.)
Pls answer
Answer:
2,999,875
Step-by-step explanation:
3,000,000m -35=2,999,875
1
Marty saws off
of a wooden board. Then, he saws off
Alu
of what is left of the board. Finally,
1
he saws
off of this remaining piece of board. What fraction of the original board is left?
Answer:
Fraction of the original board left = [tex]\frac{2}{15}[/tex]
Step-by-step explanation:
Let the length of the board is = l feet
Marty saws off [tex]\frac{1}{5}[/tex] of a wooden board.
Length of the board left = l - [tex](\frac{1}{5})l[/tex]
= [tex](\frac{4}{5})l[/tex] feet
He saws off [tex]\frac{3}{4}th[/tex] of the remaining board,
Board left = [tex](\frac{4}{5})l-[(\frac{4}{5})l\times (\frac{3}{4})][/tex]
= [tex]\frac{4}{5}l-\frac{3}{5}l[/tex]
= [tex]\frac{1}{5}l[/tex] feet
He finally saws off [tex]\frac{1}{3}[/tex]rd of the remaining board.
Board left = [tex]\frac{1}{5}l-[\frac{1}{5}\times \frac{1}{3}]l[/tex]
= [tex](\frac{1}{5}-\frac{1}{15})l[/tex]
= [tex]\frac{2}{15}l[/tex] feet
Fraction of the original board left = [tex]\frac{\frac{2}{15}l}{l}[/tex]
= [tex]\frac{2}{15}[/tex]
Solve for x (please show work if possible)
A twelve-sided die with sides labeled through will be rolled once. Each number is equally likely to be rolled. What is the probability of rolling a number greater than ? Write your answer as a fraction in simplest form.
Complete Question:
A twelve-sided die with sides labeled 1 through 12 will be rolled once. Each number is equally likely to be rolled, what is the probability of rolling a number greater than 10?
Answer:
[tex]P(T) = \frac{1}{6}[/tex]
Step-by-step explanation:
Given
Number of Sides = 12
Required
Probability of obtaining a side greater than 10
We start by listing out the sample space;
[tex]S = \{1,2,3,4,5,6,7,8,9,10,11,12\}[/tex]
[tex]n(S) = 12[/tex]
Next, we list out digits greater than 10; Represent this with T
[tex]T = \{11,12\}[/tex]
[tex]n(T) = 2[/tex]
Probability of T is calculated as follows;
[tex]P(T) = \frac{n(T)}{n(S)}[/tex]
[tex]P(T) = \frac{2}{12}[/tex]
Divide the numerator and denominator by 2
[tex]P(T) = \frac{1}{6}[/tex]
Hence, the required probability is [tex]\frac{1}{6}[/tex]
What algebraic expression represents GK, if GK =37, what are GH and JK. GJ=4x+2 and HK=6x-1
Answer:
The answer is "GK=37, GH=14, and JK=19 ".
Step-by-step explanation:
In the question, an attachment file is missing.so, please find its attached file.
Given values:
GJ=4x+2
HK=6x-1
GK =37
Find:
HJ=?
GK = GJ+JK
= GJ+(HK-HJ)
= 4x+2+((6x-1)-x)
= 4x+2+6x-1-x
=
9x+1...(a)
Solve equation (a) and put the value of x in the equation:
=9(4)+1
=36+1
=37
find GH and JK=?
Given:
GK=37
Formula:
GH = GJ-HJ
= 4x+2- x
= 3x+2....(b)
Solve equation (a):
GK= 9x+1
37=9x+1
36=9x
x=4....(c)
put the value of equation (b) in equation (c)
GH = 3x+2
= 3(4)+2
= 12+2
= 14
Formula:
JK= HK-HJ
= 6x-1- x
= 5x-1
put the value of x in the above equation:
= 5(4)-1
= 20-1
=19
please help i will give brainliest for whomever answers correctly A doctor sees 4 patients each hour. Use the equation y = 4x, where the y-value represents the many patients that the doctor may see in x hours. Graph, if necessary. How many patients will the doctor see in a 5-hour day?
Answer:
20 paitents
Step-by-step explanation:
In the word problem since x represents the number of hours all you have to do is plug in 5 for the x-value.
y = 4 (5)
once you do that, multiply 4 x 5 and you get 20.
If two points are given, then exactly one line can be drawn third of these two points. Which geometry term does the statement represent?
A company's division registered a loss of (-$12,480) while producing 80 identical parts.
What was the loss per part?
Answer:
loss per part is $(-156).
Step-by-step explanation:
Given total loss = $(-$12,480)
no of identical parts produced = 80
let the loss per part be x
then, total loss for 80 parts = 80* loss per part = 80x
given that total loss = $(-$12,480)
80x = $(-$12,480)
x = $(-$12,480) /80 = $(-156)
Thus, loss per part is $(-156).
Here negative sign implies that it is a loss.
Does g(x)=(x-5)/x have a 5 in its domain?
G(X) = (X - 5)/X
Yes... The domain of G(X) can be any value, EXCEPT zero, because we cannot have a fraction with zero in the denominator
Formalizing the domain of this function: D = {X / X ≠ 0}
(for the sake of information, when X tends to zero, the function tends to +∞)
A line segment on the coordinate plane has endpoints (2,4) and 4,y). The midpoint of the
segment is point (3,7). What is the value of y?
11
0-2
5
10
Answer:
10
Step-by-step explanation:
Given:
End points of a line segment are given as:
(2, 4) and (4, y)
Mid point of the line segment is: (3, 7).
To find:
Value of y = ?
Solution:
If end points of a line segment are [tex](x_1,y_1)[/tex] and [tex](x_2,y_2)[/tex], then mid point of the line ([tex]x, y[/tex]) is given by The Mid Point Formula:
Mid point formula:
[tex]x = \dfrac{x_1+x_2}{2}\\y = \dfrac{y_1+y_2}{2}[/tex]
Here,
[tex]x_1 = 2\\x_2 = 4\\y_1 = 4\\y_2 = y\\[/tex]
[tex]x =3\\y=7[/tex]
Putting all the value to find [tex]y[/tex]:
[tex]7 = \dfrac{4+y}{2}\\\Rightarrow 4+y=14\\\Rightarrow \bold{y =10}[/tex]
So, the value of [tex]y[/tex] is 10.
10. 5.8 - (0.25 X 1.5)
Just need 3 4 and 5 where 3.852 is thanks
Answer:
HOPE it will be right... Good luck
9×1= 9 9×2 =18 9×3 =27 9×4 =36 9×5 =45 9×6 =54 9×7 =63 9×8 =72 9×9 = 81 9×10= 88 Pls share the logic behind this!
Sum of the numerator and denominator of the fraction is 4 more than twice the numerator . If the numerator and denominator is deceased by 3.they are in the ratio 2:3. Determine the fraction
The system is:
[tex]\frac{x}{y}=2x + 4[/tex]
[tex]\frac{x-3}{y-3}=\frac{2}{3}[/tex] (y musn't be 3).
Solving for y in the first equation gives you:
[tex]y=\frac{x}{2x+4}[/tex]
Simplify the second equation to:
[tex]2(y-3)=3(x-3)[/tex]
Insert y you solved in first equation to second equation to get:
[tex]\frac{x}{x+2}-6=3x-3[/tex]
Further simplification gets you to quadratic equation:
[tex]x=(3x+3)(x+2)\implies x=3x^2+9x+6[/tex] [tex]3x^2+8x+6=0[/tex].
Solving quadratic equation using quadratic formula gives you two solutions of x in complex plane:
[tex]x_1=\boxed{-\frac{8}{6}+\frac{\sqrt{8}}{6}i}[/tex]
[tex]x_2=\boxed{-\frac{8}{6}-\frac{\sqrt{8}}{6}i}[/tex]
Insert the found x-es into first equation to find the y-s:
[tex]y_1=\boxed{-\frac{1}{2}+\frac{\sqrt{2}}{2}i}[/tex]
[tex]y_2=\boxed{-\frac{1}{2}-\frac{\sqrt{2}}{2}i}[/tex]
So there are two solutions (points) [tex]P_1(x_1,y_1),P_2(x_2,y_2)[/tex] both in [tex]\mathbb{C}[/tex] plane.
And the two fractions are:
[tex]\frac{-\frac{8}{6}+\frac{\sqrt{8}}{6}i}{-\frac{1}{2}+\frac{\sqrt{2}}{2}i}[/tex].
[tex]\frac{-\frac{8}{6}-\frac{\sqrt{8}}{6}i}{-\frac{1}{2}-\frac{\sqrt{2}}{2}i}[/tex].
Hope this helps.
The Y is the diameter
Find Y
Area of the circle
Answer:
Y = 22.56 cmStep-by-step explanation:
To find the diameter Y of the circle we must first find the radius of the circle
Area of a circle = πr²
where
r is the radius
From the question
Area = 400cm²
Substitute the value into the above formula and solve for the radius
That's
400 = πr²
Divide both sides by π
We have
[tex] {r}^{2} = \frac{400}{\pi} [/tex]
Find the square root of both sides
[tex]r = \sqrt{ \frac{400}{\pi} } [/tex]
radius = 11.28 cm
Since we have the radius we can use it to find the diameter Y using the formula
diameter = radius × 2
radius = 11.28
Y = 11. 28 × 2
We have the final answer as
Y = 22.56 cmHope this helps you
If the lines A and B are parallel then find the value of x
Answer:
Step-by-step explanation:
Solve 19 and 25, will give BRAINLIST!!
Answer:
9.333
Step-by-step explanation:
[tex]19. \: cross \: multiplying \\ 6a = 7 \times 8 \\ 6a = 56 \\ \frac{6a}{6} = \frac{56}{6 } \\ a =9.333[/tex]
25. Cross multiplying
nx1 =0.19x12
n=2.28
Answer:
[tex]\Large \boxed{{19. \ a \approx 9.33}} \\ \\ \Large \boxed{25. \ n=2.28}[/tex]
Step-by-step explanation:
(19)
[tex]\displaystyle \frac{6}{8} =\frac{7}{a}[/tex]
Cross multiply.
[tex](6)(a)= (7)(8)[/tex]
[tex]6a=56[/tex]
Divide both sides by 6.
[tex]\displaystyle a = \frac{56}{6}=\frac{28}{3}[/tex]
[tex]a \approx 9.33[/tex]
(25)
[tex]\displaystyle \frac{1}{0.19} =\frac{12}{n}[/tex]
Cross multiply.
[tex](1)(n)=(0.19)(12)[/tex]
[tex]n=2.28[/tex]
How would I solve this question? I need to solve for s.
Answer:
4
Step-by-step explanation:
2r = 5s/2 - s/4 ⇒ bring to common denominator2r = 10s/4 - s/42r = 9s/49s = 8r ⇒ multiply both sides by 4s = 8r/9 ⇒ divide both sides by 9s = 8/9*9/2 ⇒ replace r with 9/2, simplifys = 4 ⇒ answerwhat is 4 times the square root of 2 times 6 times the square root of 18
Answer: 144
Step-by-step explanation:
F(x)= | x-4 | - 9, find f(-7)
Answer:
2
Step-by-step explanation:
Given
f(x) = | x - 4 | - 9, then
f(- 7) = | - 7 - 4 | - 9
= | - 11 | - 9 ( absolute value returns a positive value )
= 11 - 9
= 2
(70) Find the volume. Don't forget your label.
Answer: If the lengths are 3 1/2, 2, and 4 2/3, the volume is 32 2/3
Step-by-step explanation:
3 1/2 * 2 * 4 2/3 = 32 2/3.
PLEASE HELP ME :(((((
Umar drove his taxi from Ipoh to Kuala Lumpur via the highway. He stopped at Tapah to
pick up some goods before proceeding to Kuala Lumpur. He drove from Ipoh to Tapah at an
average speed of 100 km/h over a distance of 60 km. If the average speed of his taxi from Ipoh
to Kuala Lumpur is 110 km/h over a distance of 220 km, calculate the average speed of Umar's
taxi from Tapah to Kuala Lumpur.
Answer:
approximately 114.28 km/h
Step-by-step explanation:
Distance = rate * time (d = rt)
The distance from Ipoh to Tapah is 60 km, and the rate is 100 km/h. Therefore, the time it took to drive from Ipoh to Tapah is:
60 = 100t
t = 0.6 hours
The total distance from Ipoh to Kuala Lumpur is 220 km, and the average rate is 110 km.
Therefore, the time it took to drive from Ipoh to Kuala Lumpur is:
220 = 110t
t = 2 hours
So since we know that the time taken to go Ipoh -> Tapah is 0.6 hours and the time taken to go Ipoh -> Tapah -> Kuala Lumpur is 2 hours, the time taken to go Tapah -> Kuala Lumpur must be:
2 - 0.6 = 1.4 hours
And the distance from Tapah to Kuala Lumpur must be:
220 - 60 = 160 km
So the speed driven from Tapah to Kuala Lumpur must be:
160 = r * 1.4
r ≈ 114.28 km/h
Answer:
114.3 km/h
Step-by-step explanation:
We need to find te average speed from Tapah to Kuala Lumpur.
speed = distance/time
We need to find the distance and time from Tapah to Kuala Lumpur.
Ipoh to Tapah:
100 km/h over a distance of 60 km
Ipoh to Kuala Lumpur:
110 km/h over a distance of 220 km
The total distance is from Ipoh to Kuala Lumpur.
speed = distance/time
distance = speed * time
time = distance/speed
time = 220 km / 110 km/h = 2 hours
Ipoh to Tapah.
time = distance/speed
time = 60 km / 100 km/h = 0.6 hour
Distance & time from Tapah to Kuala Lumpur:
220 km - 60 km = 160 km
2 hours - 0.6 hours = 1.4 hours
average speed from Tapah to Kuala Lumpur:
speed = distance/time = 160 km / 1.4 hours
speed = 114.3 km/h
Each side of a square is(7+3x) units. What is the perimeter of the square
Answer:
4(7+3x)
Step-by-step explanation:
We know that a square has all equal sides, otherwise it's not really a square. So if each side of the square is 7+3x units, then the perimeter (which is always side+side+side+side) would be 4 times as great. In other words, since the perimeter is side+side+side+side, and since that multiplication is repeated addition, 4(7+3x) is the same as (7+3x)+(7+3x)+(7+3x)+(7+3x)