Mathematics College

there are 8 playing cards in a bag. 2 of those cards are spades. what is the probability of picking a spade randomly from a bag?
answer as a simplified fraction in form a/b

Answers

Answer 1
1/4 ,before simplified it would be 2/8.. if you divide that in half the most simplified form of that fraction would be 1/4

Related Questions

Help here is an easy one

Answers

Answer:

x = 30°

Step-by-step explanation:

Given that,

∠A = x°

∠B = 2x°

∠C = 90°

We need to find the value of x.

We know that the sum of angles of a triangle is equal to 180°.

ATQ,

x° + 2x° + 90° = 180°

3x° = 180°-90°

3x° = 90°

x° = 30°

So, the value of x is 30°.

Answer:

3x+90=180

3x=90

x=30

Step-by-step explanation:

I need help with this question​

Answers

Answer:

f(g(4)) = 5

Step-by-step explanation:

Recall that to find f(g(4)), we need to first find g(4) which we find via the given table:

g(4) = 0

and then use the graph to find f(0) = 5

Then f(g(4)) = 5

What is a factor that is less than 1?

Answers

Answer:

none

Step-by-step explanation:

Lisa bought bottles of soda for $2.50 each and a large pizza for $17. The total cost was $27. How many bottles of soda did Lisa buy?

A.
4

B.
3

C.
10

D.
6

Answers

Answer:

a

Step-by-step explanation:

27-17= 10$ 2.5 goes into 10 4 times

2) Addisyn has a 12-sided die. If she rolls
the die 250 times, how many times can
Addisyn predict she will roll a 9?
A. about 9 times
B. about 27 times
C. about 21 times
D. about 108 times

Answers

The answer to your question is about 9 times so ya that your answer about 27 times

Kendra just bought a new house and needs to buy new sod for her backyard. If the dimensions of her yard are 24.6 feet by 14.8 feet , what is the area of her yard

Answers

Answer:

364.08 Feet

Step-by-step explanation:

Answer:

Step-by-step explanation:

the yard will have the area is A= L*W

A=24.6*14.8=364.08 ft^2

The circumference of a circle that has a radius of 70 feet is most nearly

A. 220 feet.

B. 440 feet.

C. 660 feet.

D. 690 feet.​

Answers

Answer:

B 440 feet

Step-by-step explanation:

C = 2(3.14)r

= 2(3.14)70 feet

= 6.28(70 feet)

= 439.6

439.6 is approximate to 440 feet

HELP ASAPPPP I WILL GIVE BRAINLIEST

Answers

Answer:

It would be B

Step-by-step explanation:

If she is using the algebra tiles and added the 4 to both sides instead of subtracting, it would give you 2x=14 which then you would divide by 2 and get 7. Making the answer B

If an angle not acute straight or obtuse it must be a?

Answers

Answer:

It could be a right angle or a reflex angle

It can be either a reflex or right angle :)

Two linear functions are shown below which function has the greater rate of change? Use the drop-down menus to show your answer
1. A or B
2. A or B
3. A or B

Answers

I think it would be 2

Answer:

It’s A

Step-by-step explanation:

Because it’s not a curve but a straight line

Please help (8th grade math)

Answers

Answer:

-1

Step-by-step explanation:

since the line increases by 1 along the x axis and goes down by 1 on the y axis, you can do rise over run, which gives you:

1 / -1 , which ultimately gives you -1.

Caroline is saving up to buy a new video game. She already has $45 and can save an additional $9 per week using money from her after school job. How much total money would Caroline have after 9 weeks of saving? Also, write an expression that represents the amount of money Caroline would have saved in w weeks

Answers

Answer:

Step-by-step explanation:

9*9=81

81+45

Answer:

9=9=81

Step-by-step explanation:

I will give a brainlist if someone could answer this problem with a explanation:)

Answers

Answer:

It would be ASA

Step-by-step explanation:

Those two triangles are congregant so it would be A. ASA

Write a slope-intercept equation of the line with a slope of — that passes through the point (6, 10).
O A. y = 6x + 10
O B. y=-x +38 3
O C. y=-x +14
O d.y= -x + 6

Answers

Answer:

y= -x + 6

please mark as brainliest

Trignometery: Sin Cos and Tan

Answers

Answer:

766m (3 s.f.)

Step-by-step explanation:

Please see the attached picture for the full solution.

PLEASE HELP AND LEAVE A SMALL EXPLANATION

Answers

Answer:

A

Step-by-step explanation:

Because Alternative Exterior angle

You work for a landscaping company and will be installing a fence around a customer’s yard. The yard is rectangular and is 45 feet wide by 80 feet long. About how many feet of fencing should you buy to enclose the entire yard?

Answers

Answer:

250ft

Step-by-step explanation:

45ft + 45ft of fencing for the two short ends. 80ft +80ft for the two long sides

45ft+45ft=90ft

80ft+80ft=160ft

90ft+160ft=250ft

Which brand would Cala need more of to fertilize her 450-foot row of vegetables

Answers

Answer:

What do,you mean

Step-by-step explanation:

Please answer the question attached, marking brainliest (serious answers only)

Answers

Step-by-step explanation:

By Exterior Angle Theorem,

81° + b = 117°.

=> b = 117° - 81° = 36°.

Answer:

b = 36

Step-by-step explanation:

a+117 = 180 ( being straight angle)

a = 180 - 117

a = 63

Now,

81 + 63 + b = 180 ( being sum of interior of triangle)

144 + b= 180

b = 180 - 144

b 36

Choose the best estimate for the division problem below. 7.9 0.8 O A. 10 B. 8 O C. 15​

Answers

Answer:

C. 15

Step-by-step explanation:

7.9

+8=15

thats why the answer is 15

38) Find the slope of the line containing the points (2, 7) and (-5, -4).
A. 711
B. 117
C. −511
D. -1

Answers

Answer:

B. 11/7

Step-by-step explanation:

Use rise over run, (y2 - y1) / (x2 - x1)

Plug in the points:

(y2 - y1) / (x2 - x1)

(-4 - 7) / (-5 - 2)

-11 / -7

= 11/7

Expand the logarithm. Simplify, if possible.
log7(49^w)

Answers

Step-by-step explanation:

Let x = log7(49^w).

We have 7^x = 49^w.

=> 7^x = (7^2)^w

=> 7^x = 7^2w.

=> x = 2w.

Therefore log7(49^w) = 2w.

Which distribution is most nearly appropriate to describe_______the number of fatalities in Texas in a given year due to poisonous snakebites.

Answers

Answer: Poisson distribution

Step-by-step explanation:

The Poisson distribution simply measures the chance for an event occuring based on a particular period of time. It is typically useful for finding the probability of events that have low probabilities of occuring.

Therefore, the distribution that will be ideal in knowing the number of fatalities in Texas in a given year due to poisonous snakebites is the poisson distribution.

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Answers

Answer:yes

Step-by-step explanation:

There is one very important exception to the rule that multiplying or dividing an inequality is the same as multiplying or dividing an equation. Whenever you multiply or divide an inequality by a negative number, you must flip the inequality sign.

Answer:

Step-by-step explanation:

It’s yes

Ivy and Andrey were asked to find an explicit formula for the sequence -100,-50,0,50,...−100,−50,0,50,...minus, 100, comma, minus, 50, comma, 0, comma, 50, comma, point, point, point, where the first term should be f(1)f(1)f, left parenthesis, 1, right parenthesis.
Ivy said the formula is f(n)=-100+50(n-1)f(n)=−100+50(n−1)f, left parenthesis, n, right parenthesis, equals, minus, 100, plus, 50, left parenthesis, n, minus, 1, right parenthesis.
Andrey said the formula is f(n)=-150+50nf(n)=−150+50nf, left parenthesis, n, right parenthesis, equals, minus, 150, plus, 50, n.
Which one of them is right?

Answers

Answer:

both

Step-by-step explanation:

8x-5y=37 x=2y+6 substitution

Answers

Answer:

Solve for the first variable in one of the equations, then sub the result into the other equation.

point form- (4,-1)

equation form- x=4, y=-1

Step-by-step explanation:

I HIGHLY recommend math-way to help you with problems like this :)

hope this helps!

express the surface area A of a cube in terms of its volume V

Answers

The surface area of a cube of side-length a is S = 6a" (six sides each of area a”) and the volume is V = a*. Thus, a=v1/3, so S = 6V2/3.
S= 6a^2
V=a^3
Then a=v^1/3
So surface area=6(v)^2/3

Solve the equation. w/5 =3 w=​

Answers

Answer:

15

Step-by-step explanation:

[tex]\frac{w}{5}[/tex] = [tex]3[/tex] (multiply both sides by 5)

w= 15

Answer:

w= 15

Step-by-step explanation:

1. Multiply all terms by the same value to eliminate fraction denominators

2. Then simplify

1/4 x 7/8 in simplest form please. what’s 1/6 x 5/6 in simplest form too.

Answers

Answer:

the first one will be 7/32

the second one is 5/36

34 1/3% of animals at the shelter are dogs. About what fraction of the animals are dogs?

Answers

Answer:

Step-by-step explanation:

34%=34100

=0.34

=0.341×100100

=34/100

=17/50

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