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3 years ago

One end of a line segment has coordinates

Mathematics

1 answer:

rjkz [21]3 years ago

5 0

Answer:

(-21,-9)

Step-by-step explanation:

let other point be x2,y2

then apply mid point formula

x=(x1+x2)/2

y=(y1+y2)/2

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Factorise the following expression :

Bas_tet [7]

Answer:

x³+2x²+5x+10

x²(x+2)+5(x+2)

(x+2)(x²+5)

a³-a²b²-ab+b³

a²(a-b²)-b(a-b²)

(a-b²)(a²-b)

5 0

3 years ago

Read 2 more answers

In a true-false test containing 50 questions, a student is to be awarded 2 marks for every correct answer and -2 for every incor

BlackZzzverrR [31]

Answer:

1. 47 correct, 0 wrong and 3 unanswered

2. 48 correct, 1 wrong and 1 unanswered

Step-by-step explanation:

Given;

Total number of questions = 50

For correct answers = 2

For wrong answers = -2

Unanswered questions = 0

Yash scored 94 marks

Let c, w and u represent the number of correct, wrong and unanswered questions

2×c - 2 × w + 0×u = 94

2c -2w = 94 .....1

And;

c + w + u = 50 .....2

We have 2 equations and 3 unknowns

By observing the problem, we can see two possible solutions;

Case 1: Assuming he did not miss (get wrong) any answer;

He needs to score 47 answers right;

47 × 2 = 94

Then;

c = 47 w = 0 and u = 50 - (47+0) = 3

47 correct, 0 wrong and 3 unanswered

Case 2: Assuming he got one answer wrong;

He would need to score one more answer right compared to the first case;

(47+1) × 2 - 1 × 2 = 96 - 2 = 94

c = 47+1 = 48

w = 1

u = 50 - (48+1) = 1

So he need to score 48 correct answers, 1 wrong answer and 1 unanswered.

3 0

3 years ago

Line f has a slope of −6/3, and line g has a slope of −8/4.

Nataliya [291]

Answer:

The option A) is correct

"The lines have proportional slopes" is correct

Therefore the given slopes are proportional to each other

Step-by-step explanation:

Given that Line f has a slope of $\frac{-6}{3}$ , and line g has a slope of $\frac{-8}{4}$

Also given that f and g are distinct lines

To check the proportionality of two slopes :

$\frac{-6}{3}=\frac{-8}{4}$

$-2=-2$

$2=2$

Therefore the given slopes are proportional to each other

Therefore option A) is correct

"The lines have proportional slopes" is correct

7 0

4 years ago

Can someone quickly answer this please

AnnyKZ [126]

Answer:

Step-by-step explanation:

Hello !

(4,4*2,4) + (3,14 * 2,2² )/2 =

10,56 + 7,60 = 18,2 m²

8 0

4 years ago

2 times x plus x plus 45 =180

NARA [144]

Answer:

x= 45

Step-by-step explanation:

2x+x + 45 = 180

Combine like terms

3x+45 =180

subtract 45 from each side

3x+45-45= 180-45

3x = 135

Divide each side by 3

3x/3 = 135/3

x = 45

7 0

3 years ago