A taste test asks people from Texas and California which pasta they prefe
brand A or brand B. This table shows the results.
Brand A
Brand B Total
Texas
80-
45
125
California
90
60
150
Total
170
105
275
9
A person is randomly selected from those tested.
What is the probability that the person is from Texas, given that the person
prefers brand A? Round your answer to two decimal places.

Answers

Answer 1

Using it's concept, it is found that there is a 0.4545 = 45.45% probability that the person is from Texas, given that the person prefers brand A.

What is a probability?

A probability is given by the number of desired outcomes divided by the number of total outcomes.

In this problem, there are 176 people who prefer brand A, and of those 80 are from Texas, hence the probability is given by:

p = 80/176 = 0.4545.

0.4545 = 45.45% probability that the person is from Texas, given that the person prefers brand A.

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Related Questions

Solve the following equation for


G:2 (g-h) = b+4

Answers

If the equation 2(g - h) = b + 4 is solved for g. Then the value of g will be b/2 + h + 2.

What is the solution of the equation?

A combination of equations solution is a collection of values x, y, z, etc. that enable all of the calculations to true at the same time.

The equation is given below.

2(g - h) = b + 4

Then solve the equation for the value of g. Then we have

2(g - h) = b + 4

   g - h = b/2 + 2

        g = h + b/2 + 2

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Which graph represent y as a function of x

Answers

Y=x explanation. Me

PLEASE PLEASE HELP QUICKLY
Complete the ratio table to convert the units of time from hours to weeks or weeks to hours.
Hours
Weeks
168
1
1,008
5

Answers

The correct answers are 1008 hours are 6 weeks and 5 weeks are 840 hours.

What is the ratio?

The ratio indicates how many times one number is to the other number.For example, if you have 4 chocolates and 2 cakes the ratio of the chocolates and the cake will be 2:1 which means that chocolate is 2 times then the cake.

It is given that 168 hours is equal to 1 week. we need to find 1008 hours has how many weeks and 5 weeks has how many hours.

1.) 1008 hours has how many weeks

168 hours = 1 week

1 hour  =  1 / 168 weeks

1008 hours  = 1008 / 168  =  6 weeks

So 1008 hours has 6 weeks

2.) 5 weeks has how many hours.

1 week = 168 hours

5 weeks = 5 x 168 hours

5 weeks = 840 hours

So 5 weeks will have 840 hours.

Therefore correct answers are 1008 hours are 6 weeks and 5 weeks are 840 hours.

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Answer:

hours    weeks

168          1

1008        6

840         5

Step-by-step explanation:

Can someone check this screen shot out and help me pls?

Answers

Answer:

A

Step-by-step explanation:

positive, the longer she run, the longer she jump

Answer A
Positive the further u run the farther u jump

Please help on this square root problem

Answers

Rationalizing the denominator of the expression, it is found that the simplified expression is given by:

[tex]\frac{\sqrt{6}(12x + 20x^2) + 3\sqrt{x} + 5\sqrt{x^3}}{x(96x - x)}[/tex]

What is the expression that we have to simplify?

It is given by:

[tex]\frac{3 + 5\sqrt{x^2}}{4\sqrt{6x^2} - \sqrt{x}}[/tex]


We rationalize the denominator, using the subtraction of perfect squares, hence:

[tex]\frac{3 + 5\sqrt{x^2}}{4\sqrt{6x^2} - \sqrt{x}} \times \frac{4\sqrt{6x^2} + \sqrt{x}}{4\sqrt{6x^2} + \sqrt{x}}[/tex]

Then, solving the expression:

[tex]\frac{(3 + 5\sqrt{x^2})(4\sqrt{6x^2} + \sqrt{x})}{16(6x^2) - x}[/tex]

[tex]\frac{12\sqrt{6x^2} + 3\sqrt{x} + 20x^2\sqrt{6} + 5\sqrt{x^3}}{96x^2 - x}[/tex]

[tex]\frac{\sqrt{6}(12x + 20x^2) + 3\sqrt{x} + 5\sqrt{x^3}}{x(96x - x)}[/tex]

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Gloria says the two expressions;
1/3 (9x + 48) - 12x and -4(2x +4) are ecuivalent. Is she correct?
Explain how you know.

Answers

Answer:

She is incorrect

Step-by-step explanation:

[tex]\begin{aligned}\dfrac{1}{3}(9x+48)-12x & =\dfrac{9}{3}x+\dfrac{48}{3}-12x\\ & = 3x+16-12x\\& = 16-9x\end{aligned}[/tex]

[tex]\begin{aligned}-4(2x+4) & =(-4)2x+(-4)4\\& = -8x-16\end{aligned}[/tex]

As  [tex]16-9x\neq -8x-16[/tex]  then she is incorrect.

1/3(9x+48)-12x=-4(2x+4)3x+16-12x=-8x-16-9x+16≠-8x-16

She is incorrect

You know that 3 pencils and 7 pens cost $24 with 3 pencils and 3 pens cost $12 how many dollars are 4 pencils and 5 pens worth?

Answers

The answer is the following

Which of the following is equal to the rational expression below when x≠2 or
9?
4(x-2)
(x-2)(x-9)

Answers

The expression equivalent to the given expression is [tex]\frac{4}{x-9}[/tex]

Rational expressions

This are expressions written as a ratio of two expressions. Given the rational expression

[tex]f(x) = \frac{4(x-2)}{(x-2)(x-9)}[/tex]

Since (x-2) is common in both numerator and denominator, they wil cancel out to have the function below;

[tex]f(x) = \frac{4(x-2)}{(x-2)(x-9)}=\frac{4}{x-9}[/tex]

Hence the expression equivalent to the given expression is [tex]\frac{4}{x-9}[/tex]

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16. Hamster Heaven charges an annual fee of $20 plus $2.50 for each day of hamster
activities you attend. Hamster Fun World charges an annual fee of $35 plus $1 for each day
of hamster activities you attend. Write and solve a linear system using a method of your
choosing and explain which company you would use for your hamster and why. A graph is
included below if you would like to graph it. Make sure you identify your variables, check
your solution and write a sentence.

Answers

Answer:

hamster heaven

y=20+2.5x

hamster fun world

y=35+x

Step-by-step explanation:

by solving we get

x=10

y=45

by comparing the graph hamster fun world 8s cheaper on the long run

Mark Me Brainliest

please help me I will give brainliest ​

Answers

Answer:

c is the answer

Step-by-step explanation:

your welcome

A die is rolled 117 times with the results in the table below.
What is the experimental probability of rolling a 5 with this die?

Answers

Answer:

19/117

Step-by-step explanation:

Because the dice did land on 5, 19 times out of 117

A whale is at the surface of the ocean tto breathe. What is the whale's elevation? Draw a numhber line

Answers

Answer:0


<—————|—————>
                0


Step-by-step explanation:

If k=
t-5k
and k= 4, what is the value of t?
A) -28
B) -12
C) 12
D) 28

Answers

Answer:

24

Step-by-step explanation:

k = t - 5k

→ Substitute in k

4 = t - 20

→ Add 20 to both sides

24 = t

the answer would be 28 i think

Find the value of x

Answers

The answer is X = 12.
This is how to get that answer: the formula for the intersecting secant and tangent outside the circle is a^2 = b(b+c) If you use the numbers in the pic you will get x^2 = 9(9+7) so the number after the equal sign will be 144, so x^2 = 144. To undo the square youre gonna use the square root on both sides, so you have X = 12.

Which of the equations is graphed below?
(A) y = -2x + 1/2
(B) y = -2x - 1
(C) y = -2x - 1/2
(D) y = -2x + 1

Answers

I think it’s the answer is D

Need help asap please help (brainlest if correct)

Answers

Answer:

Range at the start of the school year = 12 - 7 = 5

Range at the end of the school year = 12 - 8 = 4

Step-by-step explanation:

Hope this helps!

Answer:

12 - 7 = 5

12 - 8 = 4

A answer number 1 please

Answers

Answer:

Number one is not reasonable

geometry worksheet pls help me

Answers

Answer:

yes

Step-by-step explanation:

They too are congruent because they both have equal measure.

What is the quotient of 28,435÷47?

Answers

28,435/47 = 605
letters

Find the volume of the prism.

Answers

Answer:

210

Step-by-step explanation:

V = B h

B = 8 1/3 * 4 1/5 = 35

V = 35*h

h= 6

35*6 = 210

helppppppppp 60 points

Answers

[tex]\qquad\qquad\huge\underline{{\sf Answer}}[/tex]

#1. Number of small cubes in the large solid ~

[tex]\qquad \sf  \dashrightarrow \: 3 \times 3 \times 2[/tex]

[tex]\qquad \sf  \dashrightarrow \: 18 \: \: small \: \: cubes[/tex]

#2. Volume of each small cube ~

[tex]\qquad \sf  \dashrightarrow \: v = { \bigg(\dfrac{1}{3} \bigg) }^{3} [/tex]

[tex]\qquad \sf  \dashrightarrow \: v = { \dfrac{1}{3 {}^{3} }}^{} [/tex]

[tex]\qquad \sf  \dashrightarrow \: v = { \dfrac{1}{27{}^{} }}^{} \: \: m {}^{3} [/tex]

#3. Volume of large solid is :

[tex] \dashrightarrow \sf vol \: (small \: cube)\times\: no. \: of \: small \: cubes[/tex]

[tex]\qquad \sf  \dashrightarrow \: \dfrac{1}{27} \times 18 [/tex]

[tex]\qquad \sf  \dashrightarrow \: \dfrac{2}{3} \: \: {m}^{3} [/tex]

Answer:

hello!

Step-by-step explanation:

1. Suppose a circle is divided into congruent slices. Match each number of slices with
the resulting central angle measure of each slice.
A. 2.
1.45°
B.3
2. 60°
C.4
3. 72°
D.5
4. 120°
E. 6
5. 90°
F.8
6. 180°

Answers

Answer:

Step-by-step explanation:

congruent slices means all slices with same shape and angle

a circle has 360 (angle)

For 2, 180

For 3, 120

For 4, 90

For 5, 72

For 6, 60

For 8, 45

Let O be an angle in quadrant III such that cos 0 = -2/5 Find the exact values of csco and tan 0.​

Answers

well, we know that θ is in the III Quadrant, where the sine is negative and the cosine is negative as well, or if you wish, where "x" as well as "y" are both negative, now, the hypotenuse or radius of the circle is just a distance amount, so is never negative, so in the equation of cos(θ) = - (2/5), the negative must be the adjacent side, thus

[tex]cos(\theta)=\cfrac{\stackrel{adjacent}{-2}}{\underset{hypotenuse}{5}}\qquad \textit{let's find the \underline{opposite side}} \\\\\\ \textit{using the pythagorean theorem} \\\\ c^2=a^2+b^2\implies \sqrt{c^2-a^2}=b \qquad \begin{cases} c=hypotenuse\\ a=adjacent\\ b=opposite\\ \end{cases} \\\\\\ \pm\sqrt{5^2 - (-2)^2}=b\implies \pm\sqrt{25-4}\implies \pm\sqrt{21}=b\implies \stackrel{III~Quadrant}{-\sqrt{21}=b}[/tex]

[tex]\dotfill\\\\ csc(\theta)\implies \cfrac{\stackrel{hypotenuse}{5}}{\underset{opposite}{-\sqrt{21}}}\implies \stackrel{\textit{rationalizing the denominator}}{-\cfrac{5}{\sqrt{21}}\cdot \cfrac{\sqrt{21}}{\sqrt{21}}\implies -\cfrac{5\sqrt{21}}{21}} \\\\\\ tan(\theta)=\cfrac{\stackrel{opposite}{-\sqrt{21}}}{\underset{adjacent}{-2}}\implies tan(\theta)=\cfrac{\sqrt{21}}{2}[/tex]

Erin wants to invest $3,600.00 in a savings account that pays 4.42% simple interest. How long will it take for this investment to reach a value of $6,700.00?

Round your answer to the nearest tenth of a year.

It will take
years for the investment to reach a value of $6,700.00.

Answers

[tex]~~~~~~ \textit{Simple Interest Earned Amount} \\\\ A=P(1+rt)\qquad \begin{cases} A=\textit{accumulated amount}\dotfill & \$6700\\ P=\textit{original amount deposited}\dotfill & \$3600\\ r=rate\to 4.42\%\to \frac{4.42}{100}\dotfill &0.0442\\ t=years \end{cases} \\\\\\ 6700=3600[1+(0.0442)(t)]\implies \cfrac{6700}{3600}=1+0.0442t\implies \cfrac{67}{36}=1+0.0442t \\\\\\ \cfrac{67}{36}-1=0.0442t\implies \cfrac{31}{36}=0.0442t\implies \cfrac{\frac{31}{36}}{0.0442}=t\implies 19.5\approx t[/tex]

Find the value of x. (‼️‼️‼️‼️

Answers

Answer: 5

Step-by-step explanation:

A bag of marbles contains 6 blue marbles, 2 yellow marbles, 4 red marbles, and 1 green marble. What is the probability of reaching into the bag and selecting a yellow marble?
StartFraction 1 over 13 EndFraction

Answers

Total marbles = 13

Number of yellow = 2


probability of getting yellow = 2/13

Can someone help me PLEASE

Answers

Let's solve this problem step-by-step:

   [tex]7 * 9 = (7*10)-(7*x)[/tex]

x: it is the delta in the equation given in your picture

We know (7*10) - (7*x) is equivalent to the 7*(10-x)

 ⇒ based on the Distributive Properties

                           [tex]a*(b+c) = ab + ac[/tex]  

          [tex]7*(10+(-x))=(7*10)+(7*(-x)=(7*10)-(7*x)[/tex]

 So:

   [tex]7*9=7(10-x)\\9=10-x\\x=10-9\\x= 1[/tex]

Thus delta (the little triangle in this problem) in this case is 1

Answer: 1

Hope that helps!

The area of the triangle below is 33.37 square centimeters. What is the length of the
base?

Answers

Answer:

9.4 cm

Step-by-step explanation:

33.37x2=66.74÷7.1=9.4

A circle has an area of 20cm. What is its diameter?

Answers

Answer:

should be 5.05

Step-by-step explanation:

rounded to nearest hundredth

Answer:

5.02

Step-by-step explanation:

Formula for area= π x r^2

(π is 3.14)

Formula for diameter= 2 x r

So all you basically have to do is go backwords with the first equation

20/π=6.36

Now you have 6.36, though you need to go even further back because of the ^2

√6.36=2.51

Now we have the radius, so stick that into the diameter formula

2 x 2.51

5.02 is the diameter :)

Completely factor the given polynomial: 2x^2 - 8x - 10

Answers

Answer:

2(x - 5)(x + 1)

Step-by-step explanation:

2x² - 8x - 10 ← factor out 2 from each term

= 2(x² - 4x - 5) ← factor the quadratic

consider the factors of the constant term (- 5) which sum to give the coefficient of the x- term (- 4)

the factors are - 5 and + 1 , since

- 5 × 1 = - 5 and - 5 + 1 = - 4 , then

x² - 4x - 5 = (x - 5)(x + 1)

then

2x² - 8x - 10 = 2(x - 5)(x + 1) ← in factored form

Answer: [tex]2(x-1)(x+5)[/tex]

Step-by-step explanation:

Factor [tex]2[/tex] out of [tex]2x^2[/tex] [tex]+~8x-10[/tex]

[tex]Factor[/tex] [tex]2 ~out~ of ~2x^2[/tex]:

[tex]2(x^2)+8x-10[/tex]

[tex]Factor ~2~ out ~of ~8x[/tex]:

[tex]2(x^2)+2(4x)-10[/tex]

[tex]Factor ~2~ out~ of ~-10[/tex]:

[tex]2x^2+2(4x)+2~x~-5[/tex]

[tex]Factor ~2~ out~ of ~2x^2+2(4x):[/tex]

[tex]2(x^2+4x)+2[/tex] × [tex]-5[/tex]

[tex]Factor ~2~out ~of ~2(x^2+4x)+2[/tex] × [tex]-5:[/tex]

[tex]2(x^2+4x-5)[/tex]

factor:

[tex]Factor ~x^2+4x-5~ using ~the ~AC~ method.[/tex]

Consider the form [tex]x^2+bx+c.[/tex] Find a pair of integers whose product is [tex]c[/tex] and whose sum is [tex]b[/tex].  In this case, whose product is [tex]-5[/tex] and whose sum is [tex]4.[/tex]

[tex]-1,5[/tex]

Write the factored form using these integers.

[tex]2((x-1)(x+5))[/tex]

Remove unnecessary parentheses.

[tex]=2(x-1)(x+5)[/tex] ← final answer

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