What is the probability of picking a 7 from a standard deck of 52 cards?
Answer Choice:
(A) 3/4
(B) 1/2
(C) 4/13
(D) 1/13
Answers
Answer:
(c)- 4/13
Step-by-step explanation:
There are 4 types of cards in a ordinary deck clovers, diamands, hearts, and spades
each set has 1 seven each, so 4 sevens total.
Also, each type of card has 13 different cards in it
so, your answer is 4/13
Related Questions
What does the variable "a" stand for in exponential functions represented by the equation y = a(b)x *
1.Starting amount
2.base
3.rate
4.multiplier
Answers
Answer:
Starting amount is the answer
Solve for x:
x =?
is it;
45?
30?
22.5?
Answers
Answer:
x+3x=90
90/4= 22.5
x-22.5
Answer:
22.5
Step-by-step explanation:
its a 90 degree angle
90=3x+x
90=4x
90/4=x
x=22.5
can someone help me with this?
What is the solution to the system of linear equations graphed below?
A. (0,4)
B. (4,1/2)
C. (1/2,4)
D. (0,3)
Answers
Answer:
b. (4,1/2)
Step-by-step explanation:
I'm not sure what the answer is.
Answers
Answer:
we can make some assumptions b/c of the marks. on the sides, the double marks means they are the same, and the single marks are also the same length. because those sides are the same lengths.. we can just add up all the sides to find the length around the shape... or the perimeter of it.
Step-by-step explanation:
I'll start with the 14 on the left, and go counter clock wise
14 + 6 + 9 + 5 + 9 + 7 + 14 + (6+7+5) = Perimeter
the last numbers in the parenthesis are from the sides opposite of the long top side, the parts of the other sides adds up to the long top side... sooo,
Perimeter = 82 ( I added in my head , so use a calculator to double check )
Im confused I need a bit of help
Answers
Answer:
A) 6x
Step-by-step explanation:
4x + 3x = 7x
7x - 1x (or just x) = 6x
hope this helped :)
I need help with this math problem
Answers
Answer:
tui kobic tor hada kobic furi
plz hurry x3=−8 thanks have a good day
Answers
Answer:
x=-2
Step-by-step explanation:
-2 * -2 * -2 = -8
I’ll give brainliest !!! Pls help!
Khafre was a son of Khufu. He also had a pyramid built, but it was not as big as his father's. The volume of the Pyramid of Khafre is about
2,115,072 cubic meters, and its height is about 136 meters. Approximate the length of each side of the base.
Answers
Answer:
S = √3*2,115,072/ 136 =216
Step-by-step explanation:
i dont get this please help!
Answers
2. To solve the area of the rectangle which is (length times width) do 2x9 = 18
3. To solve the area of the triangle which is (length times width divided by 2) do 2x4/2 =4
4. Area = 18 + 4, 22 square units
PLEASE HELP MEEEEEEEE
Answers
Answer:
The moon equals 7
and the stars equal 4
Step-by-step explanation:
Equation 1:
(substitute the symbols for the numbers)
7 + 1 = 4 + 4 (<< This is correct, both sides equal 8)
Equation 2:
(again, substitute the symbols)
7 = 3 + 4
That is correct.
Hope this helped! Please give Brainiest!
(Asher)
A bridge being designed will cross the river at a right angle. The equation of the left bank of the river is j = 2x+8. The center of the bridge will pass through (0,2). What is the equation of the line representing the bridge?
Answers
This is the same as y = -0.5x+2
==========================================================
Explanation:
Refer to the diagram below.
The blue line is the graph of y = 2x+8, which is the left bank of the river.
For now, ignore the y = (-1/2)x+2 in the diagram and pretend we don't know that just yet. The red line is the bridge and it's some linear equation in the form y = mx+b. We're told the bridge is perpendicular to the river, so the bridge must also be perpendicular to the riverbank.
The blue line has slope m = 2. Apply the negative reciprocal to this to end up with -1/2. This is the perpendicular slope, and the slope of the red line. Note how the two slopes (2 and -1/2) multiply to -1. Any two perpendicular lines will have their slopes multiply to -1, as long as neither line is vertical or horizontal.
Since we want the bridge to pass through (0,2), this must mean the y intercept is b = 2.
So with m = -1/2 and b = 2, we go from y = mx+b to y = (-1/2)x + 2 which is the equation of the bridge shown in red.
This is the same as y = -0.5x + 2 since -1/2 = -0.5
What number is 1/2 of 4
Answers
Answer:
1/2 of four is 2
Step-by-step explanation:
Jerry played with friends today, all at different times. He played with Tommy for hours, then Nathan for hours, then Chris for hours.
How many hours did Jerry play with his friends today?
Answers
Answer:
twelve hours
Step-by-step explanation:
Answer:
Undefined
Step-by-step explanation:
You told us that Jerry played with all of his friends for hours. You did not give us a specific number of hours for at least two of them. Therefore, we can conclude nothing.
It is undefined.
How many solutions exist for the given equation?
1/2(x + 12) = 4x-1
zero
one
two
infinitely many
Answers
Answer:
one
Step-by-step explanation:
Given
[tex]\frac{1}{2}[/tex] (x + 12) = 4x - 1 ( multiply through by 2 to clear the fraction )
x + 12 = 8x - 2 ( subtract x from both sides )
12 = 7x - 2 ( add 2 to both sides )
14 = 7x ( divide both sides by 7 )
2 = x
There is one solution to the equation, that is x = 2
Una persona hace un trabajo en 6 horas, una segunda hace el trabajo en 8 horas y una tercera hace el trabajo en 10 horas. Si las tres personas trabajan al mismo tiempo ¿Cuánto tiempo durarán haciendo el trabajo?
a) 1 16/47 horas.
b) 2 26/47 horas.
c) 3 1/47 horas.
d) 4 36/47 horas.
Answers
Answer:
b) [tex]2\dfrac{26}{47}\ \text{horas}[/tex]
Step-by-step explanation:
Tiempo necesario para completar el trabajo en primera persona = 6 horas
Trabajo hecho en 1 hora = [tex]\dfrac{1}{6}[/tex]
Tiempo necesario para completar el trabajo por segunda persona = 8 horas
Trabajo hecho en 1 hora = [tex]\dfrac{1}{8}[/tex]
Tiempo necesario para completar el trabajo por tercera persona = 10 horas
Trabajo hecho en 1 hora = [tex]\dfrac{1}{10}[/tex]
El tiempo necesario para completar el trabajo juntos viene dado por
[tex]\dfrac{1}{\dfrac{1}{6}+\dfrac{1}{8}+\dfrac{1}{10}}=\dfrac{1}{\dfrac{47}{120}}\\ =\dfrac{120}{47}=2\dfrac{26}{47}\ \text{horas}[/tex]
El tiempo necesario para completar el trabajo juntos es [tex]2\dfrac{26}{47}\ \text{horas}[/tex].
help a brotha out please
Answers
Second power =^2
A camera has a listed price of $833.99 before tax. If the sales tax rate is 8.5%, find the total cost of the camera with sales
tax included.
Round your answer to the nearest cent, as necessary.
Answers
Answer:
904.88
Step-by-step explanation:
8.5% of 833.99 is 70.88915
70.88915 + 833.99 = 904.87915
904.87915 rounded to the closest cent is 904.88
Stay safe! <3
HELP IMMA DIE
find the inverse for each relation {(-5,1),(-5,-1)(-5,8)}
a. (8,-5) (1,-5) (-5.8)
b. (-5,1) (-5,-1) (-5,8)
c. (-1,5), (1.-5) (8,5)
d. (1,-5) (-1,-5), (8,-5)
Answers
Answer:
(5,-1) (5,1) (5,-8)
Step-by-step explanation:
answer this plzz bc im confused i dont know what to do
Answers
Answer:
(2, 3)
Step-by-step explanation:
What is the solution to the system of equations represented by these two lines?
The solution of a system is a point that the lines have. In other words, it is the point where the two lines intersect.
The lines intersect at (2, 3), so the answer is the last option.
There is also a more reliable method of solving. In order for the two lines to be equal, their equations (1.5x = y and y= -0.5x + 4) must be equal.
So,
1.5x = -0.5x + 4
Add 0.5x to both sides.
2x = 4
x = 2.
Now, find how much y must be when x equals two. (You can use either equation to do this)
y = 1.5 * 2
y = 3.
Thus, the coordinates are (2, 3).
What are the coordinates of point Q?
Answers
Answer:
(0,-3) because its the coordinate
-5+x-7 what does x equal
Answers
Answer:
Since there is no equal sign x can not have an actual value, the equation simplified would be
x-12
Step-by-step explanation:
The way to solve this is to combine like terms
-5 + ( -7 ) = -12
If you have any questions feel free to ask - Mark
pls help question is on picture
Answers
Answer:
We know that a triangle has angles that equal to 180°
[tex]45 + x + 77 + x + 72 = 180 \\ 194 + 2x = 180 \\ 2x = 180 - 194 \\ 2x = - 14 \\ x = - 7[/tex]
A= x+72
=-7+72
=65°
can someone explain this to me T÷4 = 16
Answers
Answer:
t = 64
Step-by-step explanation:
Multiply by 4 on both sides and you get t = 64 :)
Two cubical boxes of side a cm are placed next to one another to form a cuboid. The total surface area of the cuboid so formed is?
Answers
Answer: 60
Step-by-step explanation:
1, 3/2 , 9,4 ...
Find the 9th term HELP ASAP
Answers
2
3
2
3
gives the next term. In other words,
a
n
=
a
1
⋅
r
n
−
1
a
n
=
a
1
⋅
r
n
-
1
.
Geometric Sequence:
r
=
2
3
r
=
2
3
This is the form of a geometric sequence.
a
n
=
a
1
r
n
−
1
a
n
=
a
1
r
n
-
1
Substitute in the values of
a
1
=
1
2
a
1
=
1
2
and
r
=
2
3
r
=
2
3
.
a
n
=
(
1
2
)
⋅
(
2
3
)
n
−
1
a
n
=
(
1
2
)
⋅
(
2
3
)
n
-
1
Apply the product rule to
2
3
2
3
.
a
n
=
1
2
⋅
2
n
−
1
3
n
−
1
a
n
=
1
2
⋅
2
n
-
1
3
n
-
1
Multiply
1
2
1
2
and
2
n
−
1
3
n
−
1
2
n
-
1
3
n
-
1
.
a
n
=
2
n
−
1
2
⋅
3
n
−
1
a
n
=
2
n
-
1
2
⋅
3
n
-
1
Cancel the common factor of
2
n
−
1
2
n
-
1
and
2
2
.
Tap for more steps...
a
n
=
2
n
−
2
3
n
−
1
a
n
=
2
n
-
2
3
n
-
1
Substitute in the value of
n
n
to find the
n
n
th term.
a
5
=
2
(
5
)
−
2
3
(
5
)
−
1
a
5
=
2
(
5
)
-
2
3
(
5
)
-
1
Simplify the numerator.
Tap for more steps...
a
5
=
8
3
(
5
)
−
1
a
5
=
8
3
(
5
)
-
1
Simplify the denominator.
Tap for more steps...
a
5
=
8
81
a
5
=
8
81
Lines m and n are parallel. Which angles are supplementary to ∠4? Select each correct answer. ∠1 ∠2 ∠3 ∠5 ∠6 ∠7 ∠8
Answers
Answer:
2
Step-by-step explanation:
2 that was my answer.
Answer:
2
Step-by-step explanation:
took test
Jada completed her homework in 40 minutes. It took Andre 175% of Jada's time to complete the same homework. a) Who took longer to complete their homework? b) How long did it take Andre to complete his homework? Show your thinking on the tape diagram or another model.
add explanation too please
Answers
Answer: I think it took Andre 70 minutes
Step-by-step explanation:
Answer:
A.) Andre B.) 70 min
Step-by-step explanation:
A.) the key words are that it took andre 175% of Jada's time
B.)just take Jadars time 40 and multiply it by 175% or 1.75 as for the digram show Jadars as 100% and Andres as an extra 175% sorry i cant realy draw one right now
A swimmer is training for a upcoming meet he swims 10 laps the first day each day he increases the number of laps he swims by 5 which best describes the function
Answers
10+5=15
He swam 15 laps the second day
what is an indulgence?
Answers
Answer:
In the teaching of the Catholic Church, an indulgence is "a way to reduce the amount of punishment one has to undergo for sins".
Answer:
In the teaching of the Catholic Church, an indulgence is "a way to reduce the amount of punishment one has to undergo for sins"
Step-by-step explanation:
Indulgence is the action or fact of indulging. (in the Roman Catholic Church) a grant by the Pope of remission of the temporal punishment in purgatory still due for sins after absolution. The unrestricted sale of indulgences by pardoners was a widespread abuse during the later Middle Ages.
Indulgence sentence example. The indulgence accentuated the division between those who accepted and those who rejected it. German chocolates are my only indulgence . I went to a party last night, and there out of five ladies three were Roman Catholics and had the Pope's indulgence for doing woolwork on Sundays.
1. please help asap i will give u brainliest
Answers
Answer:
[tex] \frac{3}{4} [/tex]
Step-by-step explanation:
The is 3/4 because when u
[tex] \frac{12}{12} \div \frac{4}{4} = \frac{3}{4} [/tex]