I’ll award brainliest! no links

A. 0<br><br><br> B. 1<br><br><br> C. 2<br><br><br> D. 3

zloy xaker [14]

-19 to -15 would be a positive 4 difference

19 to 15 = 4 this would be a -4 difference

3 to 7 is a positive 4 difference

-3 to 7 is a difference of 10

so there is 1 with a -4 difference
answer is B.

6 0

2 years ago

Question number 8. Prove that 3 + √5 is an irrational number.

Marina86 [1]

Answer :

Let's assume the opposite of the statement i.e., 3 + √5 is a rational number.

$\\ \sf \: 3 + \sqrt{5} = \frac{a}{b} \\ \\ \qquad \: \tiny \sf{(where \: \: a \: \: and \: \: b \: \: are \: \: integers \: \: and \: \: b \: \neq \: 0)} \\$

$\\ \sf \: \sqrt{5} = \frac{a}{b} - 3 = \frac{a - 3b}{b} \\$

Since, a, b and 3 are integers. So,

$\\ \sf \: \frac{p - 3b}{b} \\ \\ \qquad \tiny \sf{ \: (is \: \: a \: \: rational \: \: number \:) } \\$

Here, it contradicts that √5 is an irrational number.

because of the wrong assumption that 3 + √5 is a rational number.

$\\$

Hence, 3 + √5 is an irrational number.

7 0

3 years ago

Math 2 Of high school

Daniel [21]

Answer:

B. BC = 18 so ∆ABC ～ ∆DEF by SAS

Step-by-step explanation:

$\bf \cfrac{AB}{DE} = \cfrac{BC}{EF}$

$\bf \cfrac{15}{10} = \cfrac{BC}{12}$
$\bf \cfrac{3}{2} = \cfrac{BC}{12}$
$\bf BC = \cfrac{3}{2} \times 12$
$\bf 3 \times 6$
$\bf BC = 18$
$\bf \angle B = \angle \: E$

So, ∆ABC ～ ∆DEF by SAS.

7 0

2 years ago

There are 18 students on the debate club. How many ways can the club send 4 students to the next debate

olya-2409 [2.1K]

There are 3060 ways the club send 4 students to the next debate if there are 18 students on the debate club.

<h3>What is permutation and combination?</h3>

A permutation is the number of different ways a set can be organized; order matters in permutations, but not in combinations.

We have the total number of students = 18

The number of ways the club send 4 students to the next debate is:

= C(18, 4)

$= \rm \dfrac{18!}{4!(18-4)!}$

= 3060

Thus, there are 3060 ways the club send 4 students to the next debate if there are 18 students on the debate club.

Learn more about permutation and combination here:

brainly.com/question/2295036

#SPJ1

5 0

2 years ago

Complete the table below.

Drupady [299]

Answer:

A (in millions) B (in millions) C D E F G

Total Market Value Total Shares Issued Value Per Share Amount Invested Charge D minus E Shares Purchased

$47 2 $

23.50

$4,000 $250 $

3,750

159.6

$25 4 $

6.25

$4,000 $250 $

3,750

600

$31 3 $

10.33

$4,000 $250 $

3,750

363

$12 12 $

1.00

$4,000 $300 $

3,700

$90 18 $

5.00

$4,000 $300 $

3,700

740

$26 3 $

8.67

$4,000 $300 $

3,700

426.8

$84 22 $

3.82

$4,000 none $

4,000

1,047.1

$32 5 $

6.40

$4,000 none $

4,000

625

$25 3 $

8.33

$4,000 $275 $

3,725

447.20

$27 3 $

9.00

$4,000 $275 $

3,725

413.9

Step-by-step explanation:

Those are the answers, copy and pastes- good luck though : ))

3 0

2 years ago

Read 2 more answers