Mathematics College

I need help with this question !!​

I Need Help With This Question !!

Answers

Answer 1

Answer:

Step-by-step explanation:

Yes, A-A-A

Related Questions

i will give you brainliest whoever answers correct first!!

Answers

Answer:

74.4 (llllllllllll ignore this i need 20 characters to answer)

Please sombody actually help me im stuck on this.​

Answers

Answer:

A=6

B=19

C=55

D=119

E=70

Answer:

Blank A = 6

Blank B = 19

Blank C = 55

Blank D = 119

Blank E = 70

What is 14 2/7 x 4 3/10=

Answers

Answer:

430/ 7

Step-by-step explanation:

yess this is the correct answer

A catfish pond contains 2,200 gallons of water. The pond can hold no more than 3,000 gallons. It is being filled at a rate of 125 gallons per hour. (PLS INCLUDE ALL STEPS)

1) Write an inequality that will represent how many hours, h, it will take to fill the pond.

2)How many whole hours will it take to fill but not overfill the pond?

Answers

Answer:

I am not sure honestly, but I think you should

Step-by-step explanation:

add 2,200 and 3,000 then see your answer, and divide it by 125. I'm sorry if this doesn't help......

Matthew plots an integer on a number line that has an absolute value of 119. Gabrielle plots a different integer on the same number line that also has an absolute value of 119. Which two integers could Matthew and Gabrielle have plotted?
0 and 119
0 and –119
119 and –119
119 and 238

Answers

Answer: 119 and -119

Step-by-step explanation: The absolute value of a number is its distance from 0.

Answer:

119 and -119

Step-by-step explanation:

the value of a positive number inside the absolute values, signs doesn't change the value but if a negative number is put inside the absolute values, the signs change to be positive.

Hope that helps :)

Cynthia has a photo frame that has a circumference of 56.52cm. What is the radius of the photo frame?

Answers

Answer:8.99 cm

Step-by-step explanation:

Answer:

[tex]8.995[/tex]cm

Step-by-step explanation:

The circumference formula is: [tex]C=2\pi r[/tex]

We are given the circumference, which is 56.52cm.

The question wants us to find the radius, r.

To achieve this, we must solve for r.

Plugging in 56.52 for C we get:

[tex]56.52=2\pi r[/tex]

Dividing both sides by [tex]2\pi[/tex], we find r:[tex]8.995[/tex]

[tex]\frac{56.52}{2\pi } =r[/tex]

[tex]8.995[/tex]≈[tex]r[/tex]

If you want to round it up, you can round it to 9cm.

k over 6 plus 8 equals 5

Answers

Answer:

k= -18

Step-by-step explanation:

k/6 +8=5 (subtract 8 from both sides)

k/6= -3     (Multiply by 6 on both sides)

k=-18          

The daily rainfall experienced by Soaking City has been recorded on 9 randomly selected days throughout the year. This process has been repeated for every possible combination of 9 days in a year. The standard error of the mean has been calculated and is equal to 0.39 inches. If the rainfall was recorded on 36 (instead of 9) randomly selected days throughout the year, the standard error of the mean would be equal to:____.
a. 0.078 inches.
b. 0.248 inches.
c. 0.045 inches.
d. 3.429 inches.

Answers

If the rainfall was recorded on 36 (instead of 9) randomly selected days throughout the year, the standard error of the mean would be equal to 0.195 inches.

The standard error measures the variability or uncertainty in an estimate or statistic based on a sample. It is often denoted as SE or SE(θ), where θ represents a population parameter of interest.

Given that

the standard error of the mean, SE = 0.39 (when sample size,n = 9).

Let s be the standard deviation around the mean, then

Since SE = [tex]\dfrac{s}{\sqrt n}[/tex]

In this sample,

0.39 = [tex]\dfrac{s}{\sqrt9}[/tex]

s = 0.39 × 3

s = 1.17.

If the sample size is increased from 9 to 36,

SE = [tex]\dfrac{1.17}{\sqrt36}[/tex]

SE = [tex]\frac{1.17}{6}[/tex]

SE = 0.195 inches.

Thus, the standard error of the mean changes from 0.39 inches to 0.195 inches.

Learn more about Standard Error here:

https://brainly.com/question/13179711

#SPJ6

Notice that the rule for each animal involves counting the number of chirps in different time intervals. For the Brookdale cricket you count the number of chirps in 15 seconds and for the katydid you count the number of chirps in 20 seconds. If c is the number of chirps per minute, what is the expression for the number of chirps for i) The Brookdale cricket in 15 seconds

Answers

B= 15c maybe I think

1.7. Examine parallelogram ABCD below.
B
5x+12
с
9y - 2
7y+4
A
8x - 6
D
Determine which of the following values are correct. Select all that apply.
A. y=1
B. x = 2
C. y=3
D. X = 6
E. AD = 42
F. AB = 25

Answers

Answer:

So.

The correct is (C, D, E and F)

And (A and B) isn't correct

Step-by-step explanation:

I hope that is useful for you :)

Oil prices are projected to increase by 100% by next June. A quart of oil currently costs $2.45. What is the projected cost of a gallon of oil next June? Round your answer to the nearest hundredth.

Answers

Answer:

4.9

Step-by-step explanation:

100% of 2.45 is 2.45.

We add 2.45 + 2.45 which is 4.9.

Can I get brainliest?

Answer:

19.60

Step-by-step explanation:

Identify the domain of the function shown in the graph.

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Answer:

Domain is all real numbers.

Step-by-step explanation:

Determine the equation for the line that passes through the point (-5,3 ) with a slope of -2/3

Answers

Answer:

y=-2/3x-1/3

Step-by-step explanation:

Plug in the point (-5,3)

3=-2/3(-5)+k

3=3.3333+k

k (y-intercept)=-0.33333, or -1/3

Answer this correctly I’ll give brainalist + 10 points

Answers

Answer:

50

Step-by-step explanation:

please brainalist

Answer:

x= 60

Step-by-step explanation:

brr 180 degrees total, divided by 3x would be 60

so X=60

8) Which equations below would be parallel by just looking at the
equations

1. y=2x + 10 and y= 3x -12
2. y= 4x -2 and y= 4x + 3
3. y=10 and y= 15x
4. not given

Answers

Answer: y=4x-2 and y=4x+3

Write 1 3/8 as an improper fraction.

Answers

Answer:

[tex] \frac{11}{8} [/tex]

Step-by-step explanation:

[tex] \frac{1 \times 8 + 3}{8} [/tex]

Answer:

11/8

Step-by-step explanation:

WRITE AN EQUETION TO REPREDENT ECH ONE ​

Answers

Answer:

2x=3

W+1.3=2.7

3y=5.1

z+1/3=1/2

Step-by-step explanation:

You just add up all on the left to equate that on the right

2x=3

W+1.3=2.7

3y=5.1

z+1/3=1/2

In case you have to solve:

x=3/2

W=2.4

y=1.7

z=1/6

can you please help me with this question?​

Answers

Answer:

2(2x+5)=8x-18

2x+5=4x-9

2x=14

x=7

MN=2*7+5=19

Step-by-step explanation:

Scores on the GRE.
A college senior who took the Graduate Record Examination exam scored 560 on the Verbal Reasoning section and 740 on the Quantitative Reasoning section. The mean score for Verbal Reasoning section was 460 with a standard deviation of 132, and the mean score for the Quantitative Reasoning was 452 with a standard deviation of 140. Suppose that both distributions are nearly normal. Round calculated answers to 4 decimal places unless directed otherwise.
(a) Write down the short-hand for these two normal distributions
(b) What is her Z score on the Verbal Reasoning section? On the Quantitative Reasoning section? Draw a standard normal distribution curve and mark these two Z scores.
(c) What do these Z scores tell you?
(d) Relative to others, which section did she do better on?
(e) Find her percentile scores for the two exams.
(f) What percent of the test takers did better than her on the Verbal Reasoning section? On the Quantitative Reasoning section?

Answers

Answer:

Kindly check explanation

Step-by-step explanation:

Verbal:

Score, x = 560

Mean, m = 460

Standard deviation, s = 132

Quantitative :

Score, x = 740

Mean, m = 452

Standard deviation, s = 140

a)

Verbal :

X ~ N(460, 132)

Quantitative :

X ~ N(452, 140)

(b)

What is her Z score on the Verbal Reasoning section? On the Quantitative Reasoning section? Draw a standard normal distribution curve and mark these two Z scores.

Zscore = (x - m) / s

Verbal :

Zscore = (560 - 460) / 132 = 0.758

Quantitative :

Zscore = (740 - 452) /140 = 2.057

(c.)

He has a higher standardized score in the quantitative than the verbal score.

(d.)

The Zscore shows that he performed better in the quantitative reasoning than verbal.

(e) Find her percentile scores for the two exams.

(f) What percent of the test takers did better than her on the Verbal Reasoning section? On the Quantitative Reasoning section?

Verbal :

Score greater than 560

P(x > 560) :

Z = (560 - 460) / 132 = 0.758

P(Z > 0.758) = 0.22423 = 22.4%

Quantitative :

Score greater than 740

P(x > 740) :

Z = (740 - 452) / 140 = 2.057

P(Z > 0.758) = 0.0198 = 1.98%

I Question 7 (2 of 13)
Find area of shaded region. Round to the nearest tenth.
50 cm
radius: 20 cm
80 cm
Enter your answer by clicking the bubbles.

Answers

Method:
Area of trapezium - Area of a half circle

Trapezium = 40(50+80) divided by 2

= 2600

Half circle = 1/2 x pi x 20^2

= 628.3185....
~ 628.3

2600 - 628.3 = 1971.7 cm^2

Hope this helps!!



Please help! Picture Down Below!

Answers

Angle 4 = Angle 5 = 42⁰( alternate interrior angle)

Hope it helps u

What is 30% of $15.00 ?

Answers

Answer:

4.5

Good luck!!

15.00 divided by 0.30 is 4.5

which of the following statements are true regarding the survey? Select three that apply.

Answers

Can you put a picture please

Before dividing, decompose 420 to make it easier to divide by 4.

Answers

Answer:

4/420=105

Step-by-step explanation:

decompose 42 and divide by 4 is 10 and is 20 divided by 4 is 5

Cassandra walked across a bridge that was 4 4 kilometers long. She walked at a
speed of 2 kilometers per hour. How long did it take for Cassandra to cross
the bridge?

Answers

Answer:

I'm not sure if the bridge is 44 kilometers long or just 4, but if the bridge is 44 kilometers long it will take 22 hours but if the bridge is 4 kilometers long it will take 2 hours.

Step-by-step explanation:

Since her average speed is 2 kilometers per hour you just have to divide the length of the bridge by 2. Then your quotient or answer to the division equation will be the amount of time it takes to cross the bridge.

Answer:

22 hours

Step-by-step explanation:

i dont know if that is 100% correct because you wrote 4 4 and not 44 but used 44 in my calculations. also, i worked it out like this:

distance÷speed=time

44 km ÷ 2kph = 22

Find the value of (x+5) (x+2)+(x-3) (x-4) in its simplest form. What is the numerical value when x = -6?​

Answers

Answer:

[tex]( - x + 5)(x + 2) + (x - 3)(x - 4)[/tex]

where as; x = - 6

Solution

[tex](x + 5)(x + 2) + (x - 3)( x - 4)[/tex]

[tex]( - 6 + 5)( - 6 + 2) + ( - 6 - 3)( - 6 - 4)[/tex]

[tex] (- 1)( - 4) + ( - 9)( - 10)[/tex]

[tex]4 + 90[/tex]

[tex]94[/tex]

The answer is 94.

Hope it's correct!Please mark me as brainliest☺!!

Thanks☺!!!

Answer:

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SOMBODY PLZ HELP!!!! I WILL GIVE BRAINLIST
Which is the independent value and which is the dependent value. P=2b

Answers

P is dependent and 2b is independent

sorry for the wait plz help !!!!!!!

Answers

Answer:

it should be 2 units

Step-by-step explanation:

18 I believe .........

The parking garage has 9 rows with 10 parking space in each row . There are 8 empty space . How many space are filled.

Answers

Answer:

82 .

Step-by-step explanation:

9x 10 = 90 then 90-8 = 82 that how many spaces are filled .

Helppp pleaseee
McLeod Industries offers employees a pension plan where the retiree will get 2% of
the average of the final four year salaries times the number of years they were
employed. If their final four year salaries were $92,400, $95,200, $98,100, and
$101,000 respectively, and the employee's yearly pension is $54,138, how many
years were they employed by McLeod Industries?
A. 25 years
B. 28 years
C. 30 years
D. 33 years

Answers

B.28 Years Hope it help
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