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3 years ago

The the seats in the van are in pairs there are 16 seats How many pairs of seats are there

Mathematics

2 answers:

Papessa [141]3 years ago

5 0

Answer: There are 8 pairs of seats in the van.

Step-by-step explanation:

Given : The seats in the van are in pairs .

There are 16 seats in the van.

Since a pair contains two identical objects.

Therefore, to find the number of pairs we need to divide the total number of seats by 2 .

The number of pairs of seats = $16\div2=8$

Therefore, the number of pairs of seats =2

miskamm [114]3 years ago

4 0

Eight, I am pretty sure. Eight times two is 16.

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In a college of exactly 2900 students, exactly 55 % are male. what is the number of female students?

dmitriy555 [2]

Total no. of students = 2900
Percentage of students male = 55%
No. of students male = 55% of 2900
= 55/100*2900
= 1595
No. of female students = 2900 - 1595 = 1305 female students

I hope it is helpful:D

8 0

3 years ago

WILL GIVE BRAINLIST. PLEASE HELP.

tankabanditka [31]

Answer:

$0$

Step-by-step explanation:

Please refer to the image attached with this answer. Assuming our triangle to be ΔABC and Line AD meeting BC at D.

As we are given that side b = side c

The angle subtended by them ∠B and ∠C must be equal . Let us assume them to be x each . hence

x + x + 52° +31° = 180°

2x + 73° = 180°

2x = 180°- 73°

2x = 107 °

x = 53.5°

Hence in ΔACD

x+ 31°+∠2= 180°

53.5°+31°+ ∠2 = 180°

∠2=180°-84.5°

∠2=95.5°

Also

∠1 + ∠2 = 180°

∠1 + 95.5° = 180°

∠1 = 180°-95.5°

∠1 =84.5°

Now applying Sine rule in ΔABD

$\frac{\sin 52}{12}=\frac{\sin 84.5}{c}$

$\frac{0.7886}{12}=\frac{0.9953}{c}$

$c=\frac{0.9953 \times 12}{0.7886}$

$c=15.14$

Hence we have c as 15.14

as we are given that side c = side b , b=15.14

The properties of any triangle says that the sum of two sides of any triangle is always greater than the third side. Hence

a<b+c

12+2x-6<15.14+15.14

6+2x<30.28

2x<30.28-6

2x<24.28

x<12.14

also side a must be greater than 0

12+2x-6>0

6+2x>0

2x>-6

x>-3

Hence the range of x will be

-3 <x < 12.14

3 0

3 years ago

What adds to equal 0 but multiplies to equal -4000?

alukav5142 [94]

-400 and 400 I think

5 0

3 years ago

Two friends race against each other in 100-meter and 800-meter races. Of the 200 races they ran this year, the wins, losses, and

Travka [436]

Answer:

Its a long answer.........

Let makes the table neater. event D= 100m, even E=800m

(Event D) (Event E)

A won the race (Event A) 30 50

B won the race (Event B) 60 25

A and B tied (Event T) 10 25

B did not win the race today. What length of the race was it more likely to have been? The question is asking in what event did the chance of B did not win(lose + ties) is more likely. Then, you need to determine the chance for B did not win in both race.

Chance of B did not win 100-m= 30+10/10=40%

Chance of B did not win 800-m= 50+25/10=75%

The difference would be 75%-40%=35% more likely to lose 800-m race

________________________________

1. What percentage of all the races are ties?

IfThe chance for the race become tie is 10% for 100m and 25% for 800m. Assuming that the 200 race is divided equally, then there would be 100 race of 100-m and 100 race of 800-m.

The number of the event of ties would be:

(100*10% + 100*25%)/ 200= 35/200= 17.5%

__________________________________

2. If someone wins the race today, is it more likely for A to win or B to win? How much more likely?The event should be independent because the two events should not influence each other. That means the probability will not change and no one becomes more likely to win the next race.

Credits: Brainly and Sisters math notebook(cuz to cross check);)

8 0

3 years ago

Write a quadratic function whose zeros are 7 and 2

sashaice [31]

Answer:

A quadratic function whose zeros are 2 and 7 is f(x) = x^2 - 9x + 14

If the zeros of a quadratic function are a and b, the quadratic function will be given as:

f(x) = (x - a)(x - b)

For the function f(x) whose zeros are 2 and 7:

f(x) = (x - 2)(x - 7)

Expand the equation

f(x)= x^2 - 7x - 2x + 14

f(x) = x^2 - 9x + 14

Therefore, a quadratic function whose zeros are 2 and 7 is

f(x) = x^2 - 9x + 14

5 0

2 years ago