Answer:
20k
Step-by-step explanation:
if he can run 10k in 30 minutes, and 30 minutes is 1/2 of an hour, then you can say that he can run 10k(2) or 20k in an hour.
Which of these can be the graph of the equation y= mx + b
Answer:
please send the question correctly
Answer:
Any graph
Step-by-step explanation:
Any graph can be represented by this since this is the equation to a graph.
m = slope
x = x
b = y intercept
Find the solution of the system of the equation 4x+10y=-24
-2x+y=-24
Answer:
4x+10y=-24
-2x+y=-24
2x+11y=-48
48+2x=0
48+11y =0
48=2x
48=11y
48/2 =2x/2
48/11=11y/11
x=24
y= 48/11
Find the area of the
triangle.
Answer:
472.5
Step-by-step explanation:
Answer:
Step-by-step explanation:
Base (b) = 30 yd
height (h) = 31.5 yd
Area of the triangle
= 1/2 * b * h
= 1/2 * 30* 31.5
=472.5 yd²
Is this a function?
Help me plz and i will give you the brainlest
Answer:
It is a function because the input values are different.
.What is the standard form of y – 8 = 2(x + 3)?
i have no idea how to do this ha
Answer:
30
Step-by-step explanation:
If they are parallel then the 2 labelled angles sum to 180.
2x+50+5x-80=180
7x-30=180
7x=210
x=30
Answer:
X=30
Step-by-step explanation:
2x+50+5x-80=180
7x-30=180
7x=210
×=30
Consider the reduction of the rectangle.
A large rectangle has a length of 16.8 feet and width of 2.3 feet. A smaller rectangle has a length of 4.5 feet and width of x feet.
Not drawn to scale
Rounded to the nearest tenth, what is the value of x?
0.1 feet
Answer:
B) 0.6 feet
Step-by-step explanation:
cuz ik
Find the marked prices of the following , given the percentage discount and the sale prices: part a: 12% discount , and the sale price $77
part b : 25% discount , and the sale price $123
Answer:
A) $87.5
B) $164
Step-by-step explanation:
A) Marked Price (Original Price)
= [tex]\frac{Sale Price}{1 -Discount}[/tex]
=[tex]\frac{77}{1-0.12}[/tex]
=87.5
B) Marked Price (Original Price)
=[tex]\frac{Sale Price}{1 -Discount}[/tex]
=[tex]\frac{123}{1-0.25}[/tex]
=164
A triangle has side lengths of 6, 8, and 9. What type of triangle is it? right obtuse equiangular acute
Answer:
acute
Step-by-step explanation:
Answer:
It is an acute triangle
Step-by-step explanation:
If it is an acute triangle, a^2 + b^2 > c^2
If it is a right triangle, a^2 + b^2 = c^2
If it is an obtuse triangle, a^2 + b^2 < c^2
If it is an equilateral triangle, a = b = c
6^2 +8^2 ? 9^2
36+64 ? 81
100 ? 81
? is >, meaning it is an acute triangle.
6th grade math help me pleaseee
Answer:
A) 3(2x-1) --> 6x - 3
B) 10(b+4c) --> 10b + 40c
C) 9(g-5h) --> 9g - 45h
D) 7(4n-5m-2) --> 28n - 35m - 14
E) a(b+c+1) --> ab + ac + a
F) (8j-3l+9)6 --> 48j - 18l + 54
G) (40s+100t)/10 --> 4s + 10t
H) (48p+24)/6 --> 8p + 4
I) (2b+12)/2 --> b + 6
J) (20r-8)/4 --> 5r - 2
K) (49g-7)/7 --> 7g - 1
L) (14g+22h) / 1/2 --> 28g + 44h
Determine if the sequence is arithmetic or geometric. Then identify the next term in the sequence 2, 4, 6, 8,…
A. arithmetic; 2
B. geometric; 2
C. arithmetic; 10
D. geometric; 10
answer=C (2,4,6,8,10.. is an arithmetic sequence with the common difference 2.)
HELP PLEASE
for the image shown,such equation is setup correctly to solve for the missing angle?
It's the inverse of cos = 6/8
If you label your triangles, you'd find that you're given the adjacent side and the hypotenuse side so that tells us that we have to use cosine.
Carlos debe estudiar para seis evaluaciones para ello distribuirá entre las seis materias 1/4 del tiempo del que dispone este fin de semana
Answer:
[tex]Tiempo = \frac{1}{24}[/tex]
Step-by-step explanation:
La pregunta está incompleta, sin embargo, una posible pregunta podría ser calcular el tiempo que Carlos dedicará a estudiar cada asignaturas.
Para hacer esto, simplemente dividimos el tiempo disponible por el número de asignaturas.
Tenemos:
[tex]Tiempo\ disponible = \frac{1}{4}[/tex]
[tex]Numero\ de\ sujetos = 6[/tex]
Solución
[tex]Tiempo = \frac{Tiempo\ disponible}{Numero\ de\ asignaturas}[/tex]
[tex]Tiempo = \frac{1}{4} / 6[/tex]
[tex]Tiempo = \frac{1}{4} * \frac{1}{6}[/tex]
[tex]Tiempo = \frac{1}{24}[/tex]
Esto significa que dedicará 1/24 de su tiempo a cada
PLZZZ HELP I WILL GIVE BRAINLIEST
Solve the equation
(x-3)^3-( x - 1 )^3 + 7x^2 = 7(3x - 4 )
Answer:
(x - 3)³ - (x - 1)³ + 7x² = 7(3x - 4)
=> x³ - 9x² + 27x - 27 - (x³ - 3x² + 3x - 1) + 7x² - 21x + 28 = 0
<=> -2x² + 6x + 1 + 3x² - 3x + 1 = 0
<=> x² + 3x + 2 = 0
<=> (x + 1)(x + 2) = 0
<=> x + 1 = 0 or x + 2 = 0
<=> x = -1 or x = -2
Find the surface area of the figure .
Answer:
356.4
r =4
h =12
just put it in this formula
2 pie r ( r + h )
GOOD LUCK FOR THE FUTURE! :)
Andre and Elena are each saving money. Andre starts with $100 in his savings account and adds $5 per week. Elena starts with $10 in her savings account and adds $20 each week.
Answer:
6 weeks
Step-by-step explanation:
You need to write an equation for each.
For Andre, he has 100 dollars, and every week gets 5 dollars more. You add the 5 dollars, and Since you don't know how many weeks it has been, use a variable.
For Elena, she has 10 dollars, and gets 20 each week.
Now that you know that it has been 4 weeks, you can plug in 4 for the variable for weeks.
Andrew:100+5(4)=100+20+120
Elena: 10+20(4)=10+80=90
Andrew has more money in this time.
To find when they have the same amount, equal their expressions to each other. This means that they will have the same amount (because they are equalled) and you can solve to find the variable, which means the weeks that they are equal at.
Bring the like terms to each side by canceling them out. Since you have positive 10, then subtract 10 to each side. You have 5w, so subtract 5w to each side.
100+5w=10+20w
90+5w=20w
90=15w
90 divided by 15=6
w=6
Who farther by the end of the week? How much farther? Use the table that shows the distances in miles.
Answerabout 20:)
Step-by-step explanation:
A ladder leaning against the wall makes an angle of elevation of 74. If the foot of the ladder is 6.5 feet from the
wall, how high up the wall is the ladder?
Answer:
the answer is 6.5 * tan74 = 22.67 feet
Step-by-step explanation:
X + 2y = 10
3x + 4y = 8
Which point is the solution to the system of equations?
Answer:
x = -12
y = 11
Step-by-step explanation:
i used substitution and let 'x' = 10 - 2y
3(10 - 2y) + 4y = 8
30 - 6y + 4y = 8
30 -2y = 8
-2y = -22
y = 11
x + 2(11) = 10
x + 22 = 10
x = -12
Over the weekend Mary binge watched 3 out of the 12 seasons of her favorite television show. What percent of the shows did she watch?
Answer:
1/4 is answer.
Step-by-step explanation:
Divide 3 to 12 = 1/4
Hope this helps. :)
A racing shell, which is a boat a crew team rows, moves 20 km/h in still water. During practice, the team rows 36 km against the current and 22 km with the current. Find the speed of the river current if the team rows a total of 3 hours.
Answer:
2 km/h
Step-by-step explanation:
Let x represent the speed of the river current, t₁ be the time spent rowing against the current and t₂ be the time spent rowing with the current.
Since the speed of the still water = 20 km/h.
The speed of rowing against the current = (20 - x)
The speed of rowing with the current = (20 + x)
We know that velocity = distance / time. Hence time = distance / velocity
t₁ = 36 / (20 - x)
t₂ = 22 / (20 + x)
but t₁ + t₂ = 3 hours
Therefore:
3 = 36 / (20 - x) + 22 / (20 + x)
multiply through by 400 - x²
3(400 - x²) = 36(20 + x) + 22(20 - x)
1200 - 3x² = 720 + 36x + 440 - 22x
3x² + 14x -40 = 0
This gives x = -6.7 or x = 2
x cannot be negative therefore x = 2 km/h
The speed of the river current is 2 km/h
Answer:
2km/h is correct
Step-by-step explanation:
The other guy is absolutely correct
What is the constant of proportionality in the equation y=\dfrac{5}{9}xy= 9 5 XY, equals, start fraction, 5, divided by, 9, end fraction, x?
Answer:
[tex]k=\dfrac{5}{9}[/tex]
Step-by-step explanation:
The given equation is :
[tex]y=\dfrac{5}{9}x[/tex] ...(1)
We need to find the constant of proportionality in the equation.
In this equation, y is directly proportional to x i.e.
y ∝ x
or
y = kx ...(2)
k is constant of proportionality
If we compare equation (1) and (2), we find that,
[tex]k=\dfrac{5}{9}[/tex]
So, the constant of proportionality is equal to [tex]\dfrac{5}{9}[/tex].
Helpy helps me with this question
Answer:
it's the third one cuz the rest aren't divisible by 5:00 because the five usually goes up by then by fives then zeros so the end since it's a zero it's divisible by five
Answer:#3 5990
Step-by-step explanation:
5 10 15 20 25 the others dont have a five or a zero at the end
A rental car company charges 69.60 per day to rent a car and 0.15 for every mile driven khloe wants to rent a car knowing that she plans to drive 325 miles she has at most 380 to spend
Answer:
118.35
Step-by-step explanation:
Equation: 69.60 + 0.15x (x being miles)
New equation: 69.60 + 0.15(325)
= $118.35
Rhonda and Shalene live together in an apartment, so they combine their income each week to pay for their rent and bills. Rhonda's paycheck is modeled by the function r(x)=22x+50,r(x)=22x+50, where xx is the number of hours worked. Shalene's paycheck is modeled by the function s(x)=30x−25,s(x)=30x−25, where xx is the number of hours worked. Which function represents their household income if they work the same number of hours?
Answer:
(r+s)(x)=52x+25
Step-by-step explanation:
i dont know how to explain but this is what I choose and it was right.
if the length of a certain rectangle is decreased by 4cm and the width is increased by 3cm,a square with the same area would result.find the perimeter of original rectangle
Answer:
The perimeter is 50
Step-by-step explanation:
The original area is LW
The new area is (L-4)(W+3)
These areas are the same
1: (L-4)(W+3)=LW
You are also told that the new figure is a square, hence
2: (L-4)=(W+3)
Equation (2) implies
3: L=W+7
Substitute for L in Equation (1) and solve for W
(W+7-4)(W+3)=(W+7)W
W^2+3W+7W+21-4W-12=W^2+7W
6W+9=7W
W=9
Now use Equation (3) to solve for L
L=16
The perimeter is 2W+2L
P=18+32=50
the table shows the number of words per minute Jocelyn can type what is the missing value
Answer:
The answer is 52
Step-by-step explanation:
104 divided by 2 equals 52 so 1 would be 52.
Answer:
it is C 52
the guy above me is right
How to tell the difference between multiplication and division word problems?
Answer:
Multiplication is one of the four elementary mathematical operations of arithmetic, with the other ones being addition, subtraction and division. The result of a multiplication operation is called a product. And division is one of the four basic operations of arithmetic, the ways that numbers are combined to make new numbers. The other operations are addition, subtraction, and multiplication
Hector had 30 minutes to do a three-problem quiz. He spent 11 3 4 minutes on question A and 6 1 2 minutes on question B. How much time did he have left for question C?
Answer:
[tex]11 \frac{3}{4}[/tex] min
Step-by-step explanation:
In order to solve this problem, we must subtract the times he has already used from the time he has available, so we get:
[tex]30-11 \frac{3}{4} - 6 \frac{1}{2}[/tex]
we can start solving this subtraction by turning all of the numbers into improper fractions so we get:
[tex]\frac{30}{1}-\frac{11*4+3}{4}- \frac{6*2+1}{2}[/tex]
[tex] \frac{30}{1}-\frac{47}{4}- \frac{13}{2}[/tex]
next, we can find a least common denominator. In this case it will be 4, so we need to turn all denominators into a 4, so we get:
[tex] \frac{30*4}{1*4}-\frac{47}{4}- \frac{13*2}{2*2}[/tex]
[tex] \frac{120}{4}-\frac{47}{4}- \frac{26}{4}[/tex]
and now we can subtract the numerators and copy the denominators so we get:
[tex]\frac{120-47-26}{4}[/tex]
[tex]\frac{47}{4}[/tex]
which can now be turned into a mixed number by dividing 47/4 which yields 11 with a remainder of 3, so the mixed number is:
[tex]11 \frac{3}{4}[/tex] min
and this is the amount of time he has available to solve the las problem.
find the volume of this prism
Answer:
i think it's 46.............