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2 years ago

Use Gauss's approach to find the following sums (do not use formulas). a. 1+2+3+4+...+98

Mathematics

1 answer:

Blababa [14]2 years ago

6 0

Here ya go im 90% sure this is the right answer enjoy!

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A train travels 91 kilometers in 2 hours, and then 97 kilometers in 3 hours. What is its average speed?

Andrei [34K]

I think the average spend is 11 km. i don't know for sure..

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2 years ago

Members of Alachua District Choir were asked, when given the choice between Romanticism or Gothic

zalisa [80]

Answer:

$\begin{array}{cccc}{} & {Romanticism} & {Gothic} & {Total} & {Males} & {48} & {63} & {111}& {Females} & {59} & {62} & {121} & {Total} & {107} & {125} & {232} \ \end{array}$

Step-by-step explanation:

Given

Romanticism

$Male = 48$

$Female = 59$

Gothic

$Male = 63$

$Female = 62$

Required

Complete the table <em>(See attachment for complete question)</em>

The table can be represented as:

$\begin{array}{cccc}{} & {Romanticism} & {Gothic} & {Total} & {Males} & {48} & {63} & {111}& {Females} & {59} & {62} & {121} & {Total} & {107} & {125} & {232} \ \end{array}$

The "total" column represents the number of males and female sampled, respectively.

$Male = 48 + 63 = 111$

$Female = 59 + 62 = 121$

The "total" row represents the number of Romanticism and Gothic sampled, respectively.

$Romanticism = 48 + 59 = 107$

$Gothic = 63 + 62 = 125$

The overall sample is calculated by adding up the number of males and females or the number of Romanticism and Gothic

$Overall = Male + Female$

$Overall = 111 + 121 = 232$

$Overall = Romanticism + Gothic$

$Overall = 107 + 125 = 232$

7 0

2 years ago

Sylvie is going on vacation. She has already driven 60 miles in one hour. Her average speed for the rest of the trip is 57 miles

Rina8888 [55]

Well you do 57 time 7 and get 399 and then it says how far will she have driven so you would add the 60 and get 459 miles.

6 0

2 years ago

Read 2 more answers

The length of the sides of a triangle are x, 2x+2, and 13. If the perimeter of the triangle is 30, what is the value of x?

scZoUnD [109]

Add all the sides up to equal 30 in an equation because you are given the perimeter. The perimeter is the length around a two dimensional shape. This means the perimeter is the length of all the side lengths added together.

(x) + (2x + 2) + (13) = 30

Combine like terms.

3x + 15 = 30

Subtract 15 from both sides.

3x = 15

Divide both sides by 3.

$\boxed {x = 5}$

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2 years ago

How are I supposed to do this ?

ad-work [718]

Answer:

Step-by-step explanation:

1. binomial polynomial

2. 2 terms

3. 4 is the constant term

4. - 1/10 x^3 is the leading term

5. -1/10 is the leading coefficient.

8 0

2 years ago

Use​ Gauss's approach to find the following sums​ (do not use​ formulas). a. 1+2+3+4+...+98

Use Gauss's approach to find the following sums (do not use formulas). a. 1+2+3+4+...+98