Mathematics College

Which interval for the graphed function has a local
minimum of 0?

[-3, -2]
[-2, 0]
[1, 2]
[2, 4]

Answers

Answer 1

Answer:

the answer is D i hope this help

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

Related Questions

Solve
- 2 + 3x + 24 = x

Answers

Answer:

x=-1

Step-by-step explanation:

thank me later it correct did the workhope this works

What number multiplied by itself 3 times equals 10

Answers

Answer:

2.1544

Step-by-step explanation:

[tex]\sqrt[3]{10}[/tex] = 2.1544

check: 2.1544^3

Given two independent random samples with the following results:n1=13x‾1=186s1=33 n2=13x‾2=171s2=23Use this data to find the 90% confidence interval for the true difference between the population means. Assume that the population variances are equal and that the two populations are normally distributed.Step 1 of 3 : Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places.

Answers

Complete Question

Given two independent random samples with the following results:

[tex]n_2=13\ , \= x_2=171\ s_1=23[/tex]

Use this data to find the 90% confidence interval for the true difference between the population means. Assume that the population variances are equal and that the two populations are normally distributed.

Step 1 of 3: Find the point estimate that should be used in constructing the confidence interval.

Step 2 of 3: Find the margin of error to be used in constructing the confidence interval. Round your answer to six decimal places.

Step 3 of 3: Construct the 90% confidence interval. Round your answers to the nearest whole number.

Answer:

Step 1 of 3:

[tex]\= x_p = 15[/tex]

Step 2 of 3:

[tex]E =7.79[/tex]

Step 3 of 3:

[tex] 7.21 < \mu_1 - \mu_2 < 22.79[/tex]

Step-by-step explanation:

Now considering the Step 1 of 3, the point estimate that should be used in constructing the confidence interval is mathematically represented as

[tex]\= x_p = \= x_1 - \= x_2[/tex]

=> [tex]\= x_p = 186 - 171[/tex]

=> [tex]\= x_p = 15[/tex]

Now considering the Step 2 of 3

Given that the confidence level is 90% then the level of significance is mathematically represented as

[tex]\alpha = (100-90)\%[/tex]

=> [tex]\alpha = 0.10[/tex]

Generally the degree of freedom is mathematically represented as

[tex]df = n_1 + n_2 - 2[/tex]

=> [tex]df = 13 + 13 - 2[/tex]

=> [tex]df = 24[/tex]

From the student t-distribution table the critical value of [tex]\frac{\alpha }{2}[/tex] at a degree of freedom of [tex]df = 24 \ is \ \ t_{\frac{\alpha }{2} ,df} = 1.711[/tex]

Generally the pooled variance is mathematically represented as

[tex]s_p^2 = \frac{ (13 -1 ) 33^2 + (13 -1 ) 23^2 }{(13 - 1 )(13 - 1)}[/tex]

[tex]s_p^2 = 134.83 [/tex]

Generally the margin of error is mathematically represented as

[tex]E = t_{\frac{\alpha }{2} ,df } * \sqrt{\frac{s_p^2}{n_1} +\frac{s_p^2}{n_2} }[/tex]

=> [tex]E = 1.711* \sqrt{\frac{134.83}{13} +\frac{134.83}{13}}[/tex]

=> [tex]E =7.79[/tex]

Now considering the Step 3 of 3

Generally the 90% confidence interval is mathematically represented as

[tex]\= x_p -E < \mu_1 - \mu_2 < \= x_p +E[/tex]

=> [tex] 15 -7.79 < \mu_1 - \mu_2 < 15 +7.79[/tex]

=> [tex] 7.21 < \mu_1 - \mu_2 < 22.79[/tex]

Given f(x)=10(3−x)+6, what is the value of f(−1)?

Answers

Answer: 46

Step-by-step explanation:

10 (3 +1) + 6

30 + 10 + 6

The midpoint of PQ is at (6,5) and point P is at (4,9).
What are the coordinates of point Q?

Answers

Answer:

B. (8, 1)

Step-by-step explanation:

Given M(6, 5) as midpoint of PQ, and P(4, 9),

let [tex] P(4, 9) = (x_2, y_2) [/tex]

[tex] Q(?, ?) = (x_1, y_1) [/tex]

[tex] M(6, 5) = (\frac{x_1 + 4}{2}, \frac{y_1 + 9}{2}) [/tex]

Rewrite the equation to find the coordinates of Q (x1, y1):

[tex] 6 = \frac{x_1 + 4}{2} [/tex] and [tex] 5 = \frac{y_1 + 9}{2} [/tex]

Solve for each:

[tex] 6 = \frac{x_1 + 4}{2} [/tex]

Multiply both sides by 2

[tex] 6*2 = \frac{x_1 + 4}{2}*2 [/tex]

[tex] 12 = x_1 + 4 [/tex]

Subtract 4 from both sides

[tex] 12 - 4 = x_1 + 4 - 4 [/tex]

[tex] 8 = x_1 [/tex]

[tex] x_1 = 8 [/tex]

[tex] 5 = \frac{y_1 + 9}{2} [/tex]

Multiply both sides by 2

[tex] 5*2 = \frac{y_1 + 9}{2}*2 [/tex]

[tex] 10 = y_1 + 9 [/tex]

Subtract 9 from both sides

[tex] 10 - 9 = y_1 + 9 - 9 [/tex]

[tex] 1 = y_1 [/tex]

[tex] y_1 = 1 [/tex]

Coordinates of Q is (8, 1)

Identities in maths 4sin30°cos45° What is the answer?

Answers

Answer:

[tex]4*1/2*\sqrt{2} /2=\sqrt{2}[/tex]

Step-by-step explanation:

Two similar triangles are shown below: Two triangles are shown. The sides of the triangle on the left are marked 6, 4, 3. The sides of the triangle on the right are marked as 3, 2 and 1.5. For the triangle on the left, the angle between sides marked 4 and 6 is labeled as w, marked by a double arc, and the angle between the sides marked 6 and 3 is labeled as x, marked by a single arc. The third angle is marked by a triple arc. For the triangle on the right, the angle between sides marked 3 and 1.5 is labeled as y and the angle between the sides marked 2 and 3 is labeled as v, marked by a double arc. The angle between the sides 2 and 1.5 is labeled as z, marked by a triple arc, and it is also the angle on the top vertex of this triangle. Which two sets of angles are corresponding angles? (4 points) a ∠w and ∠v; ∠x and ∠y b ∠w and ∠y; ∠x and ∠v c ∠w and ∠z; ∠x and ∠v d ∠w and ∠z; ∠x and ∠y

Answers

Answer:

a. ∠w and ∠v; ∠x and ∠y

Step-by-step explanation:

We can see that the scale factor is 2

Corresponding sides have length of:

6 and 3; 4 and 2; 3 and 1.5

Therefore corresponding angles, opposite to corresponding sides are:

∠x and ∠y; ∠w and ∠v

Correct answer option:

a. ∠w and ∠v; ∠x and ∠y

Answer:

His answer is correct!

Step-by-step explanation:

Got it right

What is the greatest common factor of 80 and 16?

Answers

Answer:

Step-by-step explanation:

did the calculation

Answer:

Therefore the highest common factor of 80 and 16 = 8

13. Emily has h + 15 minutes of homework tonight. Evaluate when h= 20.

Answers

Answer: 35 minutes

Step-by-step explanation:

Since we are given the value of h, we can plug that into the equation and solve.

20+15 [add]

Now, we know that it is 35 minutes.

Solve the formula C = πd for d

Answers

Answer:

[tex]d = \frac{C}{\pi}[/tex]

Step-by-step explanation:

[tex]C= \pi d\\[/tex]

Isolate d ; Divide both sides of the equation by [tex]\pi[/tex]

[tex]\frac{C}{\pi} = \frac{\pi d}{\pi }[/tex]

Simplify

[tex]\frac{C}{\pi} = d\\\\d = \frac{C}{\pi}[/tex]

Note; Another formula for d(diameter) =

[tex]2\times radius[/tex]

A. B. 4 x +1 x+4 =−3 =−12 1) How can we get Equation BBB from Equation AAA? Choose 1 answer: Choose 1 answer: (Choice A) A Rewrite one side (or both) using the distributive property (Choice B) B Rewrite one side (or both) by combining like terms (Choice C) C Multiply/divide only one side by a non-zero constant (Choice D) D Multiply/divide both sides by the same non-zero constant 2) Based on the previous answer, are the equations equivalent? In other words, do they have the same solution? Choose 1 answer: Choose 1 answer: (Choice A) A Yes (Choice B) B No

Answers

Answer:

D. Multiply/divide both sides by the same non-zero constant

A. Yes

Just Did It On Khan Academy

Step-by-step explanation:

What is the degree of the polynomial −6x3y2+5x4−7z?

Answers

Answer:

Step-by-step explanation:

The degree of a polynomial is a coefficient with the highest power. In the polynomial given, the highest degree (power) is 4.

Best of Luck!

What is the distance between the following points?
Y
7
10-
9+
8+
7+
6+
5+
4+
3 |
2+
1+
+++++++
1 2 3 4 5 6 7
A++
-3-2

Answers

Answer:

+1 is the distanse of the following point

please help me solve it

Answers

Answer:

I SUGHESTED THE ANSWER IS A

What number is 40% of 30?
Input only whole numbers.
Numerical Answers Expected!
Answer for Blank 1:

Answers

Answer:

Step-by-step explanation:

40/100*30

=12

Answer:

12..

Step-by-step explanation:

off topic but broski i think we're in the same school program?

Marcus collected 5 fewer rocks than esha How many rocks did Marcus collect if esha collected 22 rocks?

Answers

Answer:

Step-by-step explanation:

Answer:

22-5=17 the answer is 17

Javon and Ivy are both given the equation 5-2x-1/3=4, Javon thinks the first step is -2x-1/3=9. Ivy thinks the first step is -2x-1/3=-1. Who is incorrect and why?

Answers

Answer:

Javon is incorrect

Step-by-step explanation:

You have to subtract 5 both sides to move it to the other side:

5 -2x -1/3 = 4

5 - 5 - 2x - 1/3 = 4 -5

-2x - 1/3 = -1

Answer:

Javon is incorrect because he didnt subtract 5 from both sides, or add -5

Step-by-step explanation:

I had this question

Find the value of n so that the line perpendicular to y = (-1/4)x-1 passes through the points (n, 3) and (4,11).

Answers

Answer:

Step-by-step explanation:

You'll need to find the reciprocal of m. -1/4 is your is your m and when you find the reciprocal you flip the number to 4/1 or 4 and change the negative to a positive. Then graph (4,11), you don't need to worry about your y intercept, b, or -1. On your graph go down 4 and over one to the left because it's positive the line should be going like " / " <-- that. Keep going down until your y is three and whatever your x is, is your answer. Ex: (4,11) (3,7) (2,3). Hopefully, you understand :)

Anthony works as a salesperson at an electronics store and sells phones and phone accessories. Anthony earns a $8 commission for every phone he sells and a $4 commission for every accessory he sells. On a given day, Anthony made a total of $80 in commission and sold 5 more accessories than phones. Graphically solve a system of equations in order to determine the number of phones sold, x,x, and the number of accessories sold, yy.

Answers

Answer:

There were 5 phones sold and 10 accessories sold.

Step-by-step explanation:

A basketball player has a 60% accuracy rate for making free throws. During practice, this player fails to make a free throw three times in a row, but is finally successful on the fourth attempt. P (X equals k )equals (1 minus p )to the power of k minus 1 end exponent p Using the geometric distribution formula, what is the probability of this player successfully making a free throw on the fourth attempt

Answers

This question is incomplete, the complete question is;

A basketball player has a 60% accuracy rate for making free throws. During practice, this player fails to make a free throw three times in a row, but is finally successful on the fourth attempt.

p(x=k) = p^k (1-p)^k-1

Using the geometric distribution formula, what is the probability of this player successfully making a free throw on the fourth attempt? Each attempt is independent of each other and answer choices are rounded to the hundredths place.

a.) 0.04

b.) 0.60

c.) 0.40

d.) 0.10

Answer: a.) 0.04

Step-by-step explanation:

Given that;

The basketball player has 60% accuracy of free throws

Now the probability of the player successfully making a free throw on the fourth attempt.

probability of success p = 0.60

number of failure k = 3

the given p.d.f of geometric distribution p(x=k) = p^k (1-p)^k-1

{ 0 <p<= 1 , k=0,1,2,3... }

we substitute our given data

p(x=3) = 0.60^3 (1-0.6)^3-1

= (0.60)^3 (0.40)^2

= 0.216 * 0.16

= 0.035 = 0.04 ( OPTION A)

Cricket match Australia v England begins 10:00 UK time. Australian time is 11 hours ahead of UK time. What time will the game start in Australia (24 hr clock)

Answers

Answer:

21:00 AST

Step-by-step explanation:

10:00 uk time

Australia time is 11 hours ahead of UK time then

10:00 + 11 hours

21:00 AUSTRALIA TIME

OR 9:00 PM Australia time

Which expression is equivalent to 9+9x+9y?

Answers

Answer:

9(1 + x + y)

Step-by-step explanation:

[tex] \huge 9 + 9x + 9y = \red{ 9(1 + x + y)}[/tex]

.
Ms. Lady works-out with Ms. Beetle; her average
crawling time has increased to 4 feet per minute, while
Ms. Beetle, who is used to eating Hot Cheetos and
watching TV, averages 2.5 feet per minute. While at
Senn's Elm Tree-house, the three decide to experiment
with linear equations. The objective is to end up at the
Rose Bush at the same time. Senn still averages 5 feet per
minute. How much of a head start does he need to give
each of his friends in order for their function rules to
intersect at 92 feet (the rose bush). What is the equation
for each bug which makes their experiment successful?
Create a table and graph representing the situation.

Answers

Answer: Please find the attached file for the graph and find the answer in the explanation

Step-by-step explanation:

Let first calculate the normal time each of them will reach the 92 feet distance.

For senn

Time = 92/5 = 18.4 minutes

That means in 18.4 minutes the two other friends must reach the point at 92 feet.

Calculate the distance at the time for each of the friends.

For Ms Lady

Time = 92/4 = 23 minutes

Distance = speed × time

Distance = 4 × 18.4 = 73.9

92 - 73.6 = 18.4 feet

For Ms Beetle

Time = 92/2.5 = 36.8 minutes

Distance = 2.5 × 18.4

Distance = 46 feet

92 - 46 = 48 feet

Therefore, Senn must give a head start of 18.4 feet for Ms Lady

And 48 feet for Ms Beetle in order for their function rules to intersect at 92 feet (the rose bush).

Their equation will be

Ms Lady

Y = 4x + 18.4

Ms Beetle

Y = 2.5x + 48

Ms Senn

Y = 5x

Answer:

Chips are good!

Step-by-step explanation:

If 15 books cost $90, what is the unit price?

Answers

Answer:

$6/ book

Step-by-step explanation:

Unit price = Total cost/ total number of items

= 90/15

=$6 per book

$6
explanation: 6*15 is 90

two angles of a triangle are 98 degrees and 50 degrees what is the third angle

Answers

Answer:

32 degrees.

Step-by-step explanation:

The three angles in a triangle always add up to 180 degrees.

To find the third angle, [tex]180-50-98=32[/tex].

Simplify 7^8 divided by 7^4

Answers

Answer:

2401 is your answer hope this helps

Max has the 14 stickers shown
at the right. He wants to put an
equal number of stickers on each
of 2 posters. Draw circles in each
box to represent the stickers Max
puts on each poster.

Answers

Answer:

7 Stickers on Each Poster

Step-by-step explanation:

Max has 14 stickers, and 2 posters. You have to divide 14 by 2. Or, put one sticker in each box until you run out of stickers. Eventually, you'll end up with 7 stickers in each poster.

Find the probability for one roll of a number cube.
P(number is not 5)

A. 0
B. 5/6
C. 1/6
D. 1

Answers

Answer:

for 5 probability is 1/6

for not a five = 1-1/6 = 5/6

Step-by-step explanation:

The sum of prime number
less than x is 58
find an integer value for x

Answers

Answer:

Step-by-step explanation:

Prime Numbers = 2+3+5+7+11+13+17

= 58

HELP ME!!!!! Solve for X

Answers

Answer:

1. x=6, 2. x=14 3. x= -2, and 4. x=6.5

Step-by-step explanation:

1. 120=20x, x=6.

2. 47=2x+19, x=14

3. 4x+3=2x-1, x= -2

4. 3x+4+7x+11=180, x=6.5

Other Questions

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Which interval for the graphed function has a local minimum of 0? [-3, -2] [-2, 0] [1, 2] [2, 4]

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Which interval for the graphed function has a local
minimum of 0?

[-3, -2]
[-2, 0]
[1, 2]
[2, 4]