Write the ordered pair that is a reflection of each point across the x-axis. (-2 3/4, 1) (1 1/4, -1/2) (-4, -2 1/2) (3/4, 3)​

A sample size of 11 would give a standard deviation of 10 pounds for the Florida Manatees

An equation is an expression that shows how two numbers and variables are related using mathematical operations such as addition, subtraction, exponent, division and multiplication.

The standard deviation of a sample is:

\(\sigma_n=\frac{\sigma}{\sqrt{n} } \\\\Where\ n\ is\ sample\ size,\sigma\ is\ standard\ deviation\ and\ \sigma_n\ is\ standard\ deviation\ of\ sample\)

Given that:

\(\sigma_n=10,\sigma=33,hence:\\\\10=\frac{33}{\sqrt{n} } \\\\n=10.89\)

A sample size of 11 would give a standard deviation of 10 pounds

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Answer:

f(x)x+2

Step-by-step explanation:

because quadrant 1 which is the y and quadrant 4 which is x are positive, therefore. f(x) x+2.

The 68% confidence interval for the population mean difference in weight gain between the two groups of mice is ±0.305 grams. This interval is relatively narrow, indicating a relatively high level of precision in the estimate.

A confidence interval is a range of values that is likely to contain the true value of a population parameter, such as the mean weight gain of the two groups of mice. The width of the confidence interval depends on the level of confidence chosen, with wider intervals corresponding to higher levels of confidence.

In this case, the 68% confidence interval for the population mean difference is ±0.305 grams, which means that we can be 68% confident that the true population mean difference in weight gain falls within this range. This interval is relatively narrow, indicating a relatively high level of precision in the estimate.

If we want to be more confident in our estimate, we can choose a wider interval. For example, a 95% confidence interval for the population mean difference would be wider than the 68% interval, but would provide a higher level of confidence that the true population mean falls within the range.

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The 68% confidence interval for the population mean difference in weight gain between the two groups of mice is ±0.305 grams. This interval is relatively narrow, indicating a relatively high level of precision in the estimate.

A confidence interval is a range of values that is likely to contain the true value of a population parameter, such as the mean weight gain of the two groups of mice. The width of the confidence interval depends on the level of confidence chosen, with wider intervals corresponding to higher levels of confidence.

In this case, the 68% confidence interval for the population mean difference is ±0.305 grams, which means that we can be 68% confident that the true population mean difference in weight gain falls within this range. This interval is relatively narrow, indicating a relatively high level of precision in the estimate.

If we want to be more confident in our estimate, we can choose a wider interval. For example, a 95% confidence interval for the population mean difference would be wider than the 68% interval, but would provide a higher level of confidence that the true population mean falls within the range.

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Answer: The Answer is 1/2.

Step-by-step explanation: You divide both numbers by 7 to get 4/8. Then you divide that down to 2/4, and then you divide that down to 1/2.

on what ?

there Nothing

Answer:0.012345

Step-by-step explanation: km=mm/1000000 so 12345/1000000=0.012345mm

Let ABC be triangle and I its incenter. we have proved that angle IDB is equal to angle IEA. Angle IAE = 180 degrees - angle BAI - angle ABI.

To prove that angle IDB is equal to angle IEA, we will use the properties of the incenter and the midpoint of an arc in a triangle. Here's a step-by-step proof:

Step 1: Draw the triangle ABC with its incenter I, the midpoint D of BC, and the midpoint E of arc BC.

Step 2: Draw lines AI and BI.

Step 3: Since I is the incenter, it lies on the angle bisector of angle BAC. Therefore, angle BAI = angle IAC.

Step 4: Similarly, angle ABI = angle IBC.

Step 5: Since D is the midpoint of BC, we have BD = CD.

Step 6: Since E is the midpoint of arc BC, we have AE = EC.

Step 7: Now consider triangles AIB and CIB. By the Angle Bisector Theorem, we know that AB/BC = AI/IC. Therefore, AB/BD = AI/IC.

Step 8: By the Midpoint Theorem, we know that BD/DC = AB/AC. Combining this with the previous result, we have AB/AC = AI/IC = AB/BD.

Step 9: This implies that AC = BD, which means triangle BCD is isosceles.

Step 10: Since triangle BCD is isosceles, we have angle IBD = angle ICD.

Step 11: Similarly, since AE = EC, triangle AEC is isosceles. Therefore, angle IAE = angle ICE.

Step 12: Now consider the quadrilateral IDCE. Since it is a cyclic quadrilateral (opposite angles add up to 180 degrees), we have angle ICD + angle ICE = 180 degrees.

Step 13: Combining this result with Step 10 and Step 11, we get angle IBD + angle IAE = 180 degrees.

Step 14: Rearranging the equation from Step 13, we have angle IBD = 180 degrees - angle IAE.

Step 15: Since angles in a triangle sum up to 180 degrees, we have angle BAI + angle ABI + angle IAE = 180 degrees.

Step 16: By rearranging the equation from Step 15, we get

angle IAE = 180 degrees - angle BAI - angle ABI.

Step 17: Comparing the equations from Step 14 and Step 16, we see that angle IBD = angle IAE.

Therefore,we have proved that angle IDB is equal to angle IEA.

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Answer:

Step 1: 12-2a=3a-18

Step 2: 12-5a=-18

Step 3: -5a=-30

Step 4: a=6

I hope this helps!

pls ❤ and give brainliest pls

Answer:

-2

Step-by-step explanation:

From the position of 2 on the x axis, just trace down to the graph.

Where the trace intersects the graph, then trace this point to the y-axis

This gives -2

Answer:

The answer is (-2)

Hope this helps!

Answer:

I uploaded a file hosting link for your question!

Here is the link:

bît.ly/endbotvirusesonbrainly

Step-by-step explanation:

B is the only set of numbers that is ordered from least to greatest.

Hope it helps :)

-2^3 = - 8

1/3 = 0.333

radical 5 = 2.236

_________________________________

- 8 , 0.333 , 1.7 , 2.236 , 3

- 8 , 1/3 , 1.7 , radical 5 , 3

Thus the correct answer is the second option .

The required explanation for log of base 10 is described.

The ability of logarithms to solve exponential problems is a large part of their strength. Examples of this include sound (measured in decibels), earthquakes (measured on the Richter scale), starlight brightness, and chemistry (pH balance, a measure of acidity and alkalinity).

The distinction between log and ln is that log is expressed in terms of base 10, while ln is expressed in terms of base e. As an illustration, log of base 2 is denoted by log2 and log of base e by loge = ln (natural log).

The logarithm can be rewritten using the general rule. The common logarithm, which has a base of 10 always, is what you're dealing with when the log has no base.

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Given:

Amount saved in sale = $25

Sale price was 35% off the regular price.

To find:

The regular price of the tennis shoes.

Solution:

Let the regular price of the tennis shoes be x.

Sale price was 35% off the regular price.

\(Discount=\dfrac{35}{100}x\)

Amount saved in sale = $25

\(0.35x=25\)

Divide both sides by 0.35.

\(x=\dfrac{25}{0.35}\)

\(x=71.42857\)

\(x\approx 71.43\)

Therefore, the regular price of the tennis shoes is $71.43.

Answer:

2,3

Step-by-step explanation:

Answer:

14.5 =x

Step-by-step explanation:

Since this is a right triangle we can use trig functions

sin theta = opposite side/ hypotenuse

sin A = BC / AB

sin 65 = x /16

Multiply each side by 16

16 sin 65 =x

14.50092459 =x

14.5 =x

Answer:

C on edge

Step-by-step explanation:

Answer:

B. (1,4)

Step-by-step explanation:

If you go over to the right by 1 and up by 4 the point will land inside the blue, hence it is the answer since the rest do not land inside the blue.

Answer:

7 . 8.9

8 . 19.5

9 . 9.9

10 .12.6

Step-by-step explanation:

7.x=11tan39

8.x=28cos46

9.x=8tan51

10.x=31sin24

side opposite of mentioned angle is opposite

longest side in triangle is hypotenuse

the side subtended by the angle is the adjacent

Answer:B

Step-by-step explanation:

Answer:

135 lb

Step-by-step explanation:

Turn 60% into a decimal (0.60)

Then multiply 225 by 0.60

225 * 0.60 = 135 lb

The denim fabric costs $4 per meter and the cotton fabric costs $3 per meter.

To find out the cost per meter of each type of fabric, we can set up a system of two equations. Let d be the cost per meter of denim fabric and c be the cost per meter of cotton fabric. Then, we have:

3d + 5c = 22 (equation 1)

6d + 2c = 28 (equation 2)

We can use equation 2 to solve for one of the variables in terms of the other. Solving for c, we get:

c = 14 - 3d (equation 3)

We can substitute equation 3 into equation 1 and solve for d:

3d + 5(14 - 3d) = 22

Simplifying this equation, we get:

4d = 3

Therefore, d = 0.75, which means the denim fabric costs $0.75 per meter.

We can then use equation 3 to find the cost per meter of cotton fabric:

c = 14 - 3(0.75) = 11.25/2 = $5.625

Therefore, the cotton fabric costs $5.625 per meter.

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Answer:

Trevor read 157.5 pages this week.

Step-by-step explanation:

Simple multiplication.

Multiply 5 by 5 first to get 25, carry the 2 on top and then multiply 3 by 5 to get 15, make sure to add 2 to get 17.  The first line should be 175.

Put a 0 on the last digit to solve for the next digit.  Multiply 4 by 5 to get 20, carry the 2 on top and then multiply 3 by 4 to get 12, make sure to add 2 to get 14.  The second line should be 1400.

Add the numbers up to get 1575, since there is one number behind the decimal, you should put a decimal in front of the last 5 for the answer in which it is 157.5.

Answer:

-2 1/6

Step-by-step explanation:

Answer:

- opposite sides of a parallelogram are congruent.

-definition of a parallelogram

- alternate interior angles are congruent

Step-by-step explanation: I took the test .

Answer:

D.

Step-by-step explanation:

6(x + 5) has a factor of 6.

Answer: D.

Answer:

z + 7

Step-by-step explanation:

1.Divide the numbers: z+-4/4+8

z-1+8

2.Add the numbers: z-1+8

z+7

Answer:

10 and 11

Step-by-step explanation:

If I am incorrect in my reasoning, please let me know so that I can plan better for my future answers. Have an amazing day.

Answer:

\(Formula : \to \: \boxed{m = w - t} \\

he \: can \: spend : \to \boxed{£108}\)

Step-by-step explanation:

\(let \: the \: money \: (in \: £) \: Billy \: has \: to \: spend \: be \: \to \: \boxed{m} \\ let \: his \: wage \: (in \: £) \: be \to \: \boxed{w} \\ let \: the \: tax \: (in \: £) \: be \: \to \boxed{t} \\ then \: the \: required \: formula\: \: is \to \\ \boxed{m =w - t } \\ if \: he \: earns \: £150 \: and \: pays \: £42 \: tax \: : \: then \: \to \\ m = £150 - £42 \\ m = £108\)

♨Rage♨

Answer:

x=9

Step-by-step explanation:

13x-32 and 7x+22 are equal to each other (angles) so

13x-32=7x+22

13x-7x=22+32

6x=54

x=54/6

x=9

Answer:

34

Step-by-step explanation:

you first write the equation:

(8-3) / (8+x-7) = 1/7, where x is the number of non blue socks

so, 5/(1+x) = 1/7

1+x = 35, so x=34