Mathematics College


Find the sum of the following arithmetic series:
(a) 6-5-16 - .... -115 (b) 21
(c) 13 + 6 -1 - .... -106
Find the sum of the first 500 odd numbers.
​

Answers

Answer 1

Answer:

12345678910

Step-by-step explanation:

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Related Questions

Example object in kilometers

Answers

Answer:

what are you trying to ask?

Step-by-step explanation:

there's no picture or a question really

The function g is defined by g(x) = x² +4.
Find g(5n)

Answers

Answer:

g(5n)=5n^2+4

Step-by-step explanation:

Substitute 5n for x

5n^2+4

You can't really do much with this so that is the answer

find the difference between the place value of: 6 in 6,15,265​

Answers

Answer:

6,15,265=lakh

6,15,265=tens

hope it helps.

3
60°
х
x = -
y=--
How to solve

Answers

Answer5

Step-by-step explanation:

There are 25 students. Four of these students are selected to attend four different conferences. The first student selected will go to

a conference in Makati city, the second will go to Paranaque city, the third to Quezon city and the fourth to Caloocan city. How

many such selections are possible?

256

12,650

303,600

390,625

Answers

Answer:

the number of possible selection is 12650

Option b) 12650  is the correct answer.

Step-by-step explanation:

Given the data in the question;

total number of students n = 25

number of student selected r = 4

[tex]^nC_r[/tex] = ²⁵C₄

= 25! / ( 4!( 25 - 4 )! )

= 25! / (4!(21)!)

=  12650

Therefore, the number of possible selection is 12650

Option b) 12650  is the correct answer.

Write an equation to represent the relationship between red paint, r, and yellow paint, y, in each batch.​

Answers

The equation to represent the relationship between red paint, r, and yellow paint, y, in each batch can be written as r = 3 / 2y.

What is equation?

A formula known as an equation uses the equals sign to denote the equality of two expressions.

Given:

At r = 2, y = 3,

r = 4, y = 6,

r = 6, y = 9

Here, r is red paint and y is yellow paint.

The above condition can be written as

2r = 3y

r = 3 / 2y

Therefore, the equation to represent the relationship between red paint, r, and yellow paint, y, in each batch can be written as r = 3 / 2y.

To know more about equation:

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Jed received a $2.000 bonus from his job. He put it into an investment account at 4.65% interest and promises not to touch it for 30 years. How much will be in the account at that time?
WILL GIVE BRANLIEST NEED IN 10 MINS​

Answers

Answer:

$62,790

Step-by-step explanation:

PLEASE HELP !!!! ILL GIVE BRAINLIEST !!! 100 POINTS

PLEASE HELP !!!! ILL GIVE BRAINLIEST !!!

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PLEASE HELP !!!! ILL GIVE BRAINLIEST !!!

Answers

Answer:

<1 and <7 , <2 and <8or<4 and <6 , <3 and <5

Step-by-step explanation:

There are totally four pairs of alternate angles:

Alternate interior angles:-

Pairs - <2 and <8 ; <3 and <5

Alternate exterior angles:-

Pairs - <1 and <7 ; <4 and <6

{You can choose any two pair}
This is not 100 points.... why are you lying

A nationwide poll asked a random sample of US adults the question, "Are you in favor of making Election Day a federal holiday?” Based on the results of this poll, the 95% confidence interval for the population proportion who favor making Election Day a federal holiday is (0.64, 0.70).
Interpret the confidence interval.

A. We are 95% confident that less than half of US adults favor making Election Day a federal holiday.

B. 95% of the time between 64% and 70% of US adults favor making Election Day a federal holiday

C. We are 95% confident that the interval from 0.64 to 0.70 captures the true proportion of US adults who favor making Election Day a federal holiday.

D. 95% of US adults are in favor of making Election Day a federal holiday by a margin of 64 to 70.

Answers

Answer:

C. We are 95% confident that the interval from 0.64 to 0.70 captures the true proportion of US adults who favor making Election Day a federal holiday.

Step-by-step explanation:

edge

Choose the correct simplification of a^5b^6/a^4b^4

Answers

Answer:

answer is b²a is the correct answer

Step-by-step explanation:

happy to help :)

Find the solution to 12x-2=13(x-15)

Answers

Answer:

x = 193

Step-by-step explanation:

distribute 13 into (x - 15)

=> 12x - 2 = 13x - 195

subtract 12x on both side

=> -2 = x - 195

add 195 on both side

=> x = 193

help pls its due in 1 hour !!!!​

Answers

Answer:

Hello Love! This is A Triangular Prism

Hope that helps!

Answer: Triangular Prism

Step-by-step explanation:

There’s no way to explain this, but you can easily find the answer by searching “what does a rectangular prism look like” and go through each of the answer choices until you find one that matches.

Coal gas is produced at a gasworks. Pollutants in the gas are removed by scrubbers, which become less and less efficient as time goes on. The following measurements, made at the start of each month, show the rate at which pollutants are escaping (in tons/month) in the gas: Time (months) 0 1 2 3 4 5 6 Rate 5 7 9 14 22 31 40 A. Make an overestimate and an underestimate of the total quantity of pollutants that escape during the first month. overestimate

Answers

Answer:

overestimate = 7

underestimate = 5

Step-by-step explanation:

Table

_________________________________

Time (months)    0    1    2     3      4     5     6

Rate                   5   7     9    14    22    31    40

___________________________________

A. Make an overestimate and an underestimate of the total quantity of pollutants that escape during the first month.

Overestimate

For this case, we review the data in the table. The value for first month of total quantity of pollutants that escape is 7. Additionally, we can notice that the rate is increasing.

Just a month and that month has a value of  7

= 1* 7 (The largest value) = 7

Underestimate

This would be equivalent to the total until the previous meassure

= 1*5 = 5

What is the slope of the line represented by the equation y=-} - 5x?
0 -5
win win i
2
3
o
2
05

Answers

Answer:

Hi! The answer to your question is A. [tex]-5[/tex]

Step-by-step explanation:

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Hope this helps!!

- Brooklynn Deka

The slope of the line represented by the equation y= -2/3 - 5x is -5.

What is Slope?

A line's slope is determined by how its y coordinate changes in relation to how its x coordinate changes. y and x are the net changes in the y and x coordinates, respectively. Therefore, it is possible to write the

change in y coordinate with respect to the change in x coordinate as,

m = Δy/Δx where, m is the slope

We have,

y= -2/3 - 5x

We know from slope intercept form

y= mx + b

Where m is the slope and b is the y intercept.

Now, Comparing with given equation we get

m = -5 and b= -2/3

Thus, the slope of line is -5.

Learn more about Slope here;

https://brainly.com/question/3605446

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Please help I’ll mark you as brainliest if correct!

Answers

Answer:

I think you are right

Step-by-step explanation:

Plz help me find perimeter and area you do not have to do both but plz help no links!!!!!

Answers

the answer is on the photo

HELP ME OUT PLZZZ !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

18.9

Step-by-step explanation:

Acellus
Find Y.
Round to the nearest tenth.
20 ft/
\22 ft
Y
Х 18 ft
Y= [? ]°
Law of Cosines: c2 = a2 + b2 - 2ab cos C
Enter

Answers

Answer:

58.9

Step-by-step explanation:

y²=x²+z²-2×z cos(y)

20²=22²+18²-2(22)(18) cos (y)

400=484+324-792 cos(y)

-408=-772 cos (y)

408/792=cos y

y=cos⁻¹(408/792)=58.9

hope it helps...

have a great day!!

Find the volume of each figure. Round to the nearest hundredth if necessary.

Answers

Answer:

316.41 m³

Step-by-step explanation:

7.5x7.5x3.75=210.9375

3.75x3.75x7.5=105.46875

210.9375+105.4675=316.405

Find the perimeter of each polygon. Assume that lines which appear to be tangent are tangent.

Answers

9514 1404 393

Answer:

  71.4

Step-by-step explanation:

The perimeter of the polygon is the sum of the lengths of its sides. Opposite sides in this geometry have the same sum, so the perimeter is ...

  P = 2(16.4 +19.3) = 2(35.7)

  P = 71.4 . . . units

__

The missing length on the lower half of the upper right side is 6.3.

Round this number to the nearest thousandth.
4.9675

Answers

Answer:

4.968

Explanation:

Answer:

4.968

Step-by-step explanation:

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Answers

Answer:

D

Step-by-step explanation:

-3/8 converted to a decimal is -0.375

The absolute value of -0.5 is 0.5

hence, 0.5 is larger than -0.375

so the answer is d

hope this helps and is right :)

Answer:

Please look at the image.

Step-by-step explanation:

Can someone please help me I will mark u brilliant

Answers

Answer:

I believe the answer is 3 3/4.

Step-by-step explanation:

the volume of a rectangular prism is length × width × height

Answer: The volume is 3 3/4 cubic inches.

Step-by-step explanation:

V= l*w*h

V= 1 1/4* 1 1/2*2

v= 3 3/4

Name the axis of symmetry for y=(x-5)^2+1

Answers

x=5 would be the axis of symmetry

the ages of people riding a bus or shown below

23 32 16 10 23 31 14 45 12 31 19 31

what is the mode of the ages

A. 31
B. 23
C. 16
D. 10

Answers

Answer:

31

Step-by-step explanation:

it is the most repeated number duh

look at the figure. i’ll give you brainlest!!!

Answers

Answer:

u already got it cos x = 8f

Step-by-step explanation:

7 more than the quotient of a number is 2 and 9

Answers

Given:

Consider the given statement is "7 more than the quotient of a number and 9 is 2".

To find:

The value of the unknown number.

Solution:

Let be the unknown number.

Quotient of a number and 9: [tex]\dfrac{x}{9}[/tex]

7 more than than the quotient of a number and 9: [tex]\dfrac{x}{9}+7[/tex]

It is given that, 7 more than the quotient of a number and 9 is 2.

[tex]\dfrac{x}{9}+7=2[/tex]

Multiply both sides by 9.

[tex]x+63=18[/tex]

[tex]x=18-63[/tex]

[tex]x=-45[/tex]

Therefore, the unknown number is -45.

Marina will attend choir practice for 2-
hours on Saturday, 24 hours on Sunday,
and 3 hours on Monday. Next week,
Marina will attend choir practice for the
same number of hours on Saturday,
Sunday, and Monday.
What is the total number of hours
Marina will have choir practice over
these 6 days?

Answers

Answer:

58

Step-by-step explanation:

1).2+24+3 = 29

2) 29 x 2 = 58

Which expression is equivalent to 7(3a + 4b) ?


21a + 28b
10a + 11b
10a + 28b
21a + 4b

Answers

Answer:

A

Step-by-step explanation:

21a+28b

hope this helps :))

If /and mare parallel, which pairs of angles are congruent?
1 and 3, 2 and 4, 6 and 7, 3 and 6

Answers

Answer:

The first answer and the second answer.

Step-by-step explanation:

So when they say parrallel, they mean all the angles on one set of lines are exactly the same with the ones on the other lines.

Knowing this, we can easily see that:

angle 1 is equal to angle 3

angle 2 is equal to angle 4

angle 5 is equal to angle 7

angle 6 is equal to angle 8

So looking at the answers it must me:

A

B

Hope this helps! ;)

I attached a file if you want to have a visual understanding of this problem as well.

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