A babysitter earns the same amount per hour. She earned $36 for 3 hours of babysitting. Which equation describes the relationship between x, the number of hours spent babysitting, and y, the total amount
in dollars earned?

Answer:

Step-by-step explanation:

x = 6

Answer:

A.6

Step-by-step explanation:

The hypotenuse is equal to x√2, so x is 6.

Answer:

18/26

16/26

16/26

18/26

Step-by-step explanation:

Answer:

I think it might be 143 I could be wrong tho.

9514 1404 393

Answer:

  143 maps

Step-by-step explanation:

The total number of students is ...

  3×29 + 2×28 = 87 +56 = 143

If each student gets a map, the number of maps needed is 143.

_____

Additional comment

You might be able to figure this in your head as ...

  3×29 +2×28 = 3×(28+1) +2×28 = 5×28 +3 = 140 +3 = 143

Or as ...

  3(30 -1) +2(30 -2) = 5(30) -3 -4 = 150 -7 = 143

Answer:

c

Step-by-step explanation:

Answer:

He needs to leave work by 25 after 9

Step-by-step explanation:

quarter of ten = 9:45

9:45 minus 20 min = 9:25

Answer:

He needs to leave work by 25 after 9

Step-by-step explanation:

quarter of ten = 9:45

9:45 minus 20 min = 9:25

Answer:a

Step-by-step explanation:

9514 1404 393

Answer:

  B, C, D

Step-by-step explanation:

In this diagram, all of the acute angles are congruent. Those are angles 2, 4, 6, and 75°. Similarly, all of the obtuse angles are congruent. They are supplementary to the acute angles, so we have angles 1, 3, (x-15)°, and 5 all have measure 180° -75° = 105°.

This means x = 105° +15° = 120°.

The true statements are ...

  B. angle 2 = angle 6

  C. x = 120°

  D. angle 1 and angle 6 are supplementary

Answer:

-20/3 = -6.666

51/4 = 12.some

Odd integers between -6.66 to 12..

= -5,-3,-1,1,3,5,7,9,11

:)

The odd integers in between−20/3 and 51/4 are -5,-3,-1,1,3,5,7,9,11 so it is nine.

An integer is a whole number irrespective of the sign that the integer is all whole numbers that are going from 0 to infinite or 0 to minus infinite.

Integer ; ....-2 , -1 , 0 , 1 , 2 , .....

Integers are non-decimal numbers and all integers are rational numbers.

Given the two numbers,

−20/3 = -6.67

51/4 = 12.75

So integers in between −20/3 and 51/4 are ;

-5,-4,-3,-2,-1,1,2,3,4,5,6,7,8,9,10,11,12

Now odd integers out of them are;

-5,-3,-1,1,3,5,7,9,11

Hence "The odd integers in between−20/3 and 51/4 are -5,-3,-1,1,3,5,7,9,11 so it is nine".

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Answer:

Exponents are important in math because they allow us to abbreviate something that would otherwise be really tedious to write. If we want to express in mathematics the product of x multiplied by itself 7 times, without exponents we'd only be able to write that as xxxxxxx, x multiplied by itself 7 times in a row.

Step-by-step explanation:

Answer: Only 1

Step-by-step explanation: Isolate the variable. The solution is x=3.

Answer:

6000 milligrams

Step-by-step explanation:

trust

Answer:

42+106=x

148=x

Step-by-step explanation:

Answer:

0.4054 = 40.54% probability of selecting a black sock on the second draw given that a black sock was selected on the first draw

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

[tex]P(B|A) = \frac{P(A \cap B)}{P(A)}[/tex]

In which

P(B|A) is the probability of event B happening, given that A happened.

[tex]P(A \cap B)[/tex] is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Black sock on the first draw.

Event B: Black sock on the second draw.

The probability of selecting a black sock on the first draw is 8/19.

This means that [tex]P(A) = \frac{8}{19}[/tex]

Black socks on both draws:

The probability of selecting two black socks is 120/703

This means that [tex]P(A \cap B) = \frac{120}{703}[/tex]

What is the probability of selecting a black sock on the second draw given that a black sock was selected on the first draw?

[tex]P(B|A) = \frac{P(A \cap B)}{P(A)}[/tex]

[tex]P(B|A) = \frac{\frac{120}{703}}{\frac{8}{19}}[/tex]

[tex]P(B|A) = \frac{120}{703}*\frac{19}{8}[/tex]

[tex]P(B|A) = \frac{120*19}{703*8}[/tex]

[tex]P(B|A) = 0.4054[/tex]

0.4054 = 40.54% probability of selecting a black sock on the second draw given that a black sock was selected on the first draw

An

Step-by-step explanation:

Cx+y s 100

Answer:

All the inequalities that model the constraints for this situation:

(d) x + y < 200 ;

(e) 0.75 x + 0.50 y ≥ 100

Step-by-step explanation:

A statement of an order relationship—greater than, greater than or equal to, less than, or less than or equal to—between two numbers or algebraic expressions.

As, x represent the number of candy bars sold & y represent the number of bags of chips sold.

It is given that,

price for one candy bar =  $0.75

also, price for one dag of chips = $0.50

So, price for 'x' candy bar =  $0.75x

also, price for 'y' of chips = $0.50 y

Is is mentioned in question, the sale of candy bar and bag of chips shoud be atleast $100.  

the First ineqaulity be,

0.75 x + 0.50 y ≥100

(which should the sales of candy baar and dag of chips be equal to 100 dollar or greater than 100 dollar)

Now, the second situation

Again, it is mentioned in the question is number of units (candy bar and dag of chips)  should be not more than 200 units.

the second inequality be,

x+ y < 200

(which shows that number of candy bar and dag of chips should be less than 200 units.)

All the inequalities that model the constraints for this situation

(d) x + y < 200

(e) 0.75 x + 0.50 y ≥100

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Answer:

Hii friend

I am from India and u ??

Roshini here !!!!

Answer:

the future diary  

Step-by-step explanation:

I watched Future Diary on Hulu, its a really good anime, its more of a yandere type of anime, hope you enjoy it!

9514 1404 393

Answer:

Step-by-step explanation:

The other acute angle in the triangle is the complement of the given one.

  π/2 -π/11 = (11 -2)π/11 = 9π/11 . . . . other acute angle

The trig relation applicable to finding the length of the opposite side is ...

  Tan = Opposite/Adjacent

  tan(π/11) = Opposite/13

  Opposite = 13·tan(π/11) ≈ 3.817

The trig relation relevant to finding the length of the hypotenuse is ...

  Cos = Adjacent/Hypotenuse

  cos(π/11) = 13/Hypotenuse

  Hypotenuse = 13/cos(π/11) = 13sec(π/11) ≈ 13.549

Answer:

141.37 m^2

Step-by-step explanation:

V = (pi)r^2h

V = (3.14)(3 m)^2(5 m)

V = 141.37 m^2

Answer:

13

Step-by-step explanation:

Answer:

[tex]222.312\:\mathrm{in^3}[/tex]

Step-by-step explanation:

The composite solid consists of a cylinder and a cone. Therefore, its total volume will be the sum of the volumes of the cylinder and cone:

Volume of the cone: [tex]\frac{1}{3}\cdot 2^2\cdot 3.14\cdot 8.1 =33.912[/tex]

Volume of the cylinder: [tex]2^2\cdot 3.14 \cdot 15=188.4[/tex]

Thus, the total volume of the solid is:

[tex]33.912+188.4=\boxed{222.312\:\mathrm{in^3}}[/tex]

Answer:

22.5

Step-by-step explanation:

13 square root 3 equals that

Answer: B. 10

-5C3 or 5 choose 3 refers to how many combinations are possible from 5 items, taken 3 at a time. To calculate combinations, we will use the formula nCr = n! / r! ... * (n - r)!, where n represents the total number of items, and r represents the number of items being chosen at a time.

-10 is the total number of all possible combinations for choosing 3 elements at a time from 5 distinct elements without considering the order of elements in statistics & probability surveys or experiments. The number of combinations for sample space 5 CHOOSE 3 can also be written as 5C3 in the format of nCr or nCk.

Step-by-step explanation: Hope this help :D

Answer:

2(x - 4)(x + 4) = 0

x = {-4, 4}

Step-by-step explanation:

2x² - 32 = 0

factor out 2

2(x² - 16) = 0

This is a difference of squares

Factor

2(x - 4)(x + 4) = 0

x = {-4, 4}

Answer:

Step-by-step explanation:

Hope it helps you!!

Answer:

A

Step-by-step explanation:

Edge

The option A, O minimum value = 1; maximum value = 6 is correct.

We have given that,

Using the extreme value theorem, what are the minimum and maximum values of f(x).

Extreme Value Theorem An important application of critical points is in determining possible maximum and minimum values of a function on certain intervals.

Therefore, The option A, O minimum value = 1; maximum value = 6 is correct.

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Answer:

331.50

Step-by-step explanation:

If its under 5 it rounds down, if its 5 or more it rounds up.

Answer:

4p^3-3 jejeieooejejenjekeoeoeo

Answer:

The p-value of the test is 0.0062 < 0.05, which means that this is sufficient evidence that students are using more than just reading comprehension to answer this question

Step-by-step explanation:

The investigators reasoned that if questions were measuring knowledge or memory rather than just RC, students would answer questions at a higher rate than chance (20%, since there were 5 choices for each question).

This means that at the null hypothesis, we test that the proportion is the probability of answering correctly by change, that is 20%. So

[tex]H_0: p = 0.2[/tex]

At the alternate hypothesis, we test that the proportion is above 20%, that is:

[tex]H_a: p > 0.2[/tex]

The test statistic is:

[tex]z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}[/tex]

In which X is the sample mean, [tex]\mu[/tex] is the value tested at the null hypothesis, [tex]\sigma[/tex] is the standard deviation and n is the size of the sample.

0.2 is tested at the null hypothesis:

This means that [tex]\mu = 0.2, \sigma = \sqrt{0.2*0.8} = 0.4[/tex]

Suppose that on one question, 30 out of 100 examinees answered the question correctly.

This means that [tex]n = 100, X = \frac{30}{100} = 0.3[/tex]

Test statistic:

[tex]z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}[/tex]

[tex]z = \frac{0.3 - 0.2}{\frac{0.4}{\sqrt{100}}}[/tex]

[tex]z = 2.5[/tex]

P-value of the test and decision:

The p-value of the test is the probability of finding a sample proportion above 0.3, which is 1 subtracted by the p-value of z = 2.5.

Looking at the z-table, z = 2.5 has a p-value of 0.9938

1 - 0.9938 = 0.0062

The p-value of the test is 0.0062 < 0.05, which means that this is sufficient evidence that students are using more than just reading comprehension to answer this question

Answer:

4 to 1

Step-by-step explanation:

The greatest common factor between 8 and 2 is 2. So 2 will go into 8, 4 times. And 2 will go into 2, 1 time. So simplified the equivalent ratio is 4:1.